{"id":1580,"date":"2018-01-04T13:49:39","date_gmt":"2018-01-04T06:49:39","guid":{"rendered":"http:\/\/vafs.gov.vn\/en\/?p=1580"},"modified":"2023-11-23T12:25:30","modified_gmt":"2023-11-23T05:25:30","slug":"special-issue-number-2017","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/en\/special-issue-number-2017\/","title":{"rendered":"Special Issue Number 2017"},"content":{"rendered":"

 <\/p>\n

\"Bia<\/a><\/b><\/p>\n

T\u1ea0P CH\u00cd KHOA H\u1eccC L\u00c2M NGHI\u1ec6P S\u1ed0\u00a0<\/b>\u0110\u1eb6C BI\u1ec6T<\/b> – 201<\/b>7<\/b><\/p>\n

 <\/p>\n

\u00a0<\/b><\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
1<\/td>\n\n

Th\u1ef1c tr\u1ea1ng v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng nghi\u00ean c\u1ee9u khoa h\u1ecdc l\u00e2m nghi\u1ec7p t\u1ea1i c\u00e1c t\u1ec9nh
\nph\u00eda Nam<\/p>\n<\/td>\n

\n

Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc
\nKi\u1ec1u Tu\u1ea5n \u0110\u1ea1t
\nHo\u00e0ng V\u0103n Th\u1eafng
\nPh\u1ea1m Th\u1ebf D\u0169ng<\/p>\n<\/td>\n

\n

Status and research orientation of forestry in the Southern provinces<\/p>\n<\/td>\n

\n

5<\/p>\n<\/td>\n<\/tr>\n

2<\/td>\n\n

C\u00f4ng t\u00e1c ch\u1ecdn, t\u1ea1o gi\u1ed1ng c\u00e2y r\u1eebng trong ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p \u1edf c\u00e1c t\u1ec9nh
\nph\u00eda Nam<\/p>\n<\/td>\n

\n

Nguy\u1ec5n \u0110\u1ee9c Ki\u00ean
\nH\u00e0 Huy Th\u1ecbnh
\nNguy\u1ec5n Ho\u00e0ng Ngh\u0129a<\/p>\n<\/td>\n

\n

Breeding and selection of sain planting species to support forestry development in the South of Vietnam<\/p>\n<\/td>\n

\n

16<\/p>\n<\/td>\n<\/tr>\n

3<\/td>\n\n

K\u1ef9 thu\u1eadt gi\u00e2m hom c\u00e2y Thanh th\u1ea5t (Ailanthus triphysa<\/i> (Dennst) Alston)<\/p>\n<\/td>\n

\n

Ph\u1ea1m Th\u1ebf D\u0169ng
\nPh\u1ea1m V\u0103n B\u1ed1n
\nNinh V\u0103n Tu\u1ea5n
\nPh\u1ea1m Th\u1ecb M\u1eadn
\nPhan Th\u1ecb Ng\u1ecdc Anh<\/p>\n<\/td>\n

\n

Technique on cutting of Ailanthus triphysa<\/i> (Dennst) Alston<\/p>\n<\/td>\n

\n

28<\/p>\n<\/td>\n<\/tr>\n

4<\/td>\n\n

Nghi\u00ean c\u1ee9u ch\u1ecdn gi\u1ed1ng v\u00e0 k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng S\u01a1n huy\u1ebft (Melanorrhoea laccifera<\/i> Pierre) v\u00e0 B\u1eddi l\u1eddi \u0111\u1ecf (Litsea glutinosa<\/i> Roxb.) cho v\u00f9ng Nam Trung b\u1ed9 v\u00e0 T\u00e2y Nguy\u00ean<\/p>\n<\/td>\n

\n

Nguy\u00ea\u0303n Thi\u0323 Chuy\u00ea\u0300n
\nNguy\u1ec5n Th\u1ecb Th\u00fay H\u1eb1ng<\/p>\n<\/td>\n

\n

Research on tree breeding and planting technical measurement for Melanorrhoea laccifera<\/i> Pierre and Litsea glutinosa<\/i> Roxb. species in South Central region and Highland region<\/p>\n<\/td>\n

\n

36<\/p>\n<\/td>\n<\/tr>\n

5<\/td>\n\n

Nghi\u00ean c\u1ee9u ch\u1ecdn t\u1ea1o gi\u1ed1ng Keo lai sinh tr\u01b0\u1edfng nhanh b\u1eb1ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed<\/p>\n<\/td>\n

\n

H\u00e0 Huy Th\u1ecbnh
\nL\u00ea S\u01a1n<\/p>\n<\/td>\n

\n

Using molecular markers in breeding program of Acacia hybrid<\/p>\n<\/td>\n

\n

47<\/p>\n<\/td>\n<\/tr>\n

6<\/td>\n\n

\u0110\u00e1nh gi\u00e1 \u0111a d\u1ea1ng di truy\u1ec1n 19 c\u00e2y b\u1ed1 m\u1eb9 c\u1ee7a lo\u00e0i b\u1ea1ch \u0111\u00e0n l\u00e0m c\u01a1 s\u1edf cho x\u00e2y d\u1ef1ng c\u00e1c ph\u00e9p lai<\/p>\n<\/td>\n

\n

Nguy\u1ec5n Vi\u1ec7t C\u01b0\u1eddng
\nNguy\u1ec5n Vi\u1ec7t T\u00f9ng
\nNguy\u1ec5n Th\u1ecb Linh \u0110am
\nNguy\u1ec5n Minh Ng\u1ecdc v\u00e0 \u0110\u1ed7 Th\u1ecb Minh Hi\u1ec3n<\/p>\n<\/td>\n

\n

Analysis of genetic diversity in Eucalyptus as basis for breeding program<\/p>\n<\/td>\n

\n

60<\/p>\n<\/td>\n<\/tr>\n

7<\/td>\n\n

Structural and dynamic properties of the dry Dipterocarp forest in Central Highland of Vietnam<\/p>\n<\/td>\n

\n

Tran Van Con<\/p>\n<\/td>\n

\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac v\u00e0 \u0111\u1ed9ng th\u00e1i c\u1ee7a r\u1eebng Kh\u1ed9p \u1edf T\u00e2y Nguy\u00ean, Vi\u1ec7t Nam<\/p>\n<\/td>\n

\n

72<\/p>\n<\/td>\n<\/tr>\n

8<\/td>\n\n

M\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n r\u1eebng ng\u1eadp m\u1eb7n \u1edf v\u00f9ng Nam b\u1ed9<\/p>\n<\/td>\n

\n

Ho\u00e0ng V\u0103n Th\u01a1i
\nH\u00e0 Th\u1ecb M\u1eebng
\nL\u00ea V\u0103n Th\u00e0nh
\nV\u0169 Tu\u1ea5n Th\u1ee7y<\/p>\n<\/td>\n

\n

Some results on research and development of mangrove forest in Southern Region<\/p>\n<\/td>\n

\n

85<\/p>\n<\/td>\n<\/tr>\n

9<\/td>\n\n

Th\u1ef1c tr\u1ea1ng nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n tr\u1ed3ng r\u1eebng tr\u00e0m v\u00e0 keo tr\u00ean \u0111\u1ea5t ph\u00e8n v\u00f9ng \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long<\/p>\n<\/td>\n

\n

V\u0169 \u0110\u00ecnh H\u01b0\u1edfng
\nPh\u00f9ng V\u0103n Khang
\nNg\u00f4 V\u0103n Ng\u1ecdc
\nNguy\u1ec5n Xu\u00e2n H\u1ea3i
\nTr\u1ea7n Thanh Cao
\nPh\u1ea1m V\u0103n B\u1ed1n
\nKi\u1ec1u Tu\u1ea5n \u0110\u1ea1t v\u00e0 L\u01b0\u01a1ng V\u0103n Minh<\/p>\n<\/td>\n

\n

Situation of research and development for planting Melaleuca and Acacia on acid sulphate soils in the Mekong delta<\/p>\n<\/td>\n

\n

95<\/p>\n<\/td>\n<\/tr>\n

10<\/td>\n\n

Nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p tr\u00ean v\u00f9ng \u0111\u1ea5t kh\u00f4 h\u1ea1n \u1edf Nam Trung b\u1ed9<\/p>\n<\/td>\n

\n

Ph\u00f9ng V\u0103n Khen<\/p>\n<\/td>\n

\n

Research and development for forestry on drought land of the South-central Vietnam<\/p>\n<\/td>\n

\n

111<\/p>\n<\/td>\n<\/tr>\n

11<\/td>\n\n

Gi\u1ea3i ph\u00e1p th\u00fac \u0111\u1ea9y qu\u1ea3n l\u00fd r\u1eebng b\u1ec1n v\u1eefng v\u00e0\u00a0 ch\u1ee9ng ch\u1ec9 r\u1eebng \u1edf Vi\u1ec7t Nam<\/p>\n<\/td>\n

\n

V\u0169 T\u1ea5n Ph\u01b0\u01a1ng
\nTr\u1ea7n L\u00e2m \u0110\u1ed3ng<\/p>\n<\/td>\n

\n

Promoting implementation of sustainable forest management and forest certification in Vietnam<\/p>\n<\/td>\n

\n

121<\/p>\n<\/td>\n<\/tr>\n

12<\/td>\n\n

\u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 kinh t\u1ebf r\u1eebng tr\u1ed3ng B\u1eddi l\u1eddi \u0111\u1ecf (Machilus odoratissima<\/i> Nees) thu\u1ea7n lo\u00e0i v\u00e0 xen S\u1eafn t\u1ea1i huy\u1ec7n Mang Yang, t\u1ec9nh Gia Lai<\/p>\n<\/td>\n

\n

\u0110\u1eb7ng Th\u00e1i D\u01b0\u01a1ng
\n\u0110\u1eb7ng Th\u00e1i Ho\u00e0ng<\/p>\n<\/td>\n

\n

The evaluation of the economic efficiency of pure Machilus odoratissima<\/i> Nees plantation intercropped with cassava in Mang Yang district, Gia Lai province<\/p>\n<\/td>\n

\n

130<\/p>\n<\/td>\n<\/tr>\n

13<\/td>\n\n

Quy\u1ec1n s\u1eed d\u1ee5ng \u0111\u1ea5t r\u1eebng v\u00e0 th\u1ef1c ti\u1ec5n qu\u1ea3n l\u00fd r\u1eebng c\u1ed9ng \u0111\u1ed3ng v\u00f9ng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n<\/p>\n<\/td>\n

\n

Ho\u00e0ng Li\u00ean S\u01a1n
\nL\u00ea V\u0103n C\u01b0\u1eddng<\/p>\n<\/td>\n

\n

Forest use rights and comunity forestry pratices in watershed protection area<\/p>\n<\/td>\n

\n

137<\/p>\n<\/td>\n<\/tr>\n

14<\/td>\n\n

Ph\u00e2n t\u00edch th\u1ef1c tr\u1ea1ng
\nch\u00ednh s\u00e1ch ph\u00e1t tri\u1ec3n
\nr\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t \u1edf c\u00e1c t\u1ec9nh ph\u00eda Nam<\/p>\n<\/td>\n

\n

Tr\u1ea7n Thanh Cao
\nHo\u00e0ng Li\u00ean S\u01a1n
\nNguy\u1ec5n Gia Ki\u00eam
\nL\u01b0\u01a1ng V\u0103n Minh
\nV\u0169 Tu\u1ea5n Th\u1ee7y<\/p>\n<\/td>\n

\n

Analysing status of policy development of plantation forests in Southern provinces, Vietnam<\/p>\n<\/td>\n

\n

145<\/p>\n<\/td>\n<\/tr>\n

15<\/td>\n\n

M\u00f4 h\u00ecnh li\u00ean k\u1ebft c\u00f4ng ty m\u1eb9 – c\u00f4ng ty con: Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p t\u1ea1i T\u1ed5ng c\u00f4ng ty Gi\u1ea5y Vi\u1ec7t Nam (Vinapaco)<\/p>\n<\/td>\n

\n

Ho\u00e0ng Li\u00ean S\u01a1n
\nNguy\u1ec5n Th\u1ecb Thu H\u00e0
\nPh\u1ea1m Th\u1ecb Luy\u1ec7n<\/p>\n<\/td>\n

\n

Parent company-subsidiary model: Case study at the Vietnam Paper Corporation (VINAPACO)<\/p>\n<\/td>\n

\n

160<\/p>\n<\/td>\n<\/tr>\n

16<\/td>\n\n

Xu\u1ea5t nh\u1eadp kh\u1ea9u g\u1ed7 v\u00e0 s\u1ea3n ph\u1ea9m g\u1ed7 c\u1ee7a Vi\u1ec7t Nam \u0111\u1ebfn n\u1eeda \u0111\u1ea7u n\u0103m 2017: th\u1ef1c tr\u1ea1ng v\u00e0 ki\u1ebfn ngh\u1ecb<\/p>\n<\/td>\n

\n

Tr\u1ea7n L\u00ea Huy
\nCao Th\u1ecb C\u1ea9m
\nNguy\u1ec5n T\u00f4n Quy\u1ec1n
\nHu\u1ef3nh H\u1eefu H\u1ea1nh<\/p>\n<\/td>\n

\n

Vietnam export and import of wood and wood products in the first 6 months of 2017: overview of the development and recommendation<\/p>\n<\/td>\n

\n

170<\/p>\n<\/td>\n<\/tr>\n

17<\/td>\n\n

K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t b\u1ea7u \u01b0\u01a1m c\u00e2y l\u00e2m nghi\u1ec7p v\u1edbi v\u1ecf b\u1ea7u m\u1ec1m t\u1ef1 h\u1ee7y v\u00e0 compost t\u1eeb s\u1ea3n ph\u1ea9m ph\u1ee5 r\u1eebng tr\u1ed3ng<\/p>\n<\/td>\n

\n

L\u00ea Xu\u00e2n Ph\u00fac
\nPh\u1ea1m Quang Thu
\n\u0110\u1eadu Th\u1ebf Nhu<\/p>\n<\/td>\n

\n

Results on research of semi-industrial forest seedlings with soft,
\nself-destructing polymers and compost from forestry by-products<\/p>\n<\/td>\n

\n

183<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

C\u00d4NG T\u00c1C CH\u1eccN, T\u1ea0O GI\u1ed0NG C\u00c2Y R\u1eeaNG TRONG PH\u00c1T TRI\u1ec2N L\u00c2M NGHI\u1ec6P \u1ede C\u00c1C T\u1ec8NH PH\u00cdA NAM<\/p>\n

 <\/p>\n

Nguy\u1ec5n \u0110\u1ee9c Ki\u00ean1<\/sup>, H\u00e0 Huy Th\u1ecbnh1<\/sup>, Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a2
\n<\/sup>1<\/sup><\/i> Vi\u1ec7n Nghi\u00ean c\u1ee9u Gi\u1ed1ng v\u00e0 C\u00f4ng ngh\u1ec7 Sinh h\u1ecdc L\u00e2m nghi\u1ec7p, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/i>
\n2<\/sup> Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/i><\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

V\u00f9ng Nam b\u1ed9 v\u00e0 duy\u00ean h\u1ea3i Nam Trung b\u1ed9 l\u00e0 v\u00f9ng c\u00f3 nhi\u1ec1u ti\u1ec1m n\u0103ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p h\u00e0ng h\u00f3a. Ch\u00ednh v\u00ec v\u1eady, trong giai \u0111o\u1ea1n 2011 – 2015, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 t\u1eadp trung nghi\u00ean c\u1ee9u \u0111\u1ec3 ph\u00e1t tri\u1ec3n gi\u1ed1ng c\u00e1c lo\u00e0i c\u00e2y ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng quy m\u00f4 l\u1edbn t\u1ea1i c\u00e1c v\u00f9ng n\u00e0y v\u00e0 \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u th\u00e0nh t\u1ef1u to l\u1edbn. C\u1ee5 th\u1ec3 nh\u01b0 sau: (i) \u0111\u00e3 ch\u1ecdn l\u1ecdc v\u00e0 c\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c d\u00f2ng BV71 v\u00e0 BV73 l\u00e0 gi\u1ed1ng qu\u1ed1c gia cho v\u00f9ng Quy Nh\u01a1n, B\u00ecnh \u0110\u1ecbnh \u0111\u1ea1t n\u0103ng su\u1ea5t 34 – 38 m3<\/sup>\/ha\/n\u0103m; d\u00f2ng AH1 v\u00e0 AH7 l\u00e0 gi\u1ed1ng qu\u1ed1c gia \u00e1p d\u1ee5ng cho v\u00f9ng Nam b\u1ed9 \u0111\u1ea1t n\u0103ng su\u1ea5t t\u1eeb 37 \u0111\u1ebfn 40 m3<\/sup>\/ha\/n\u0103m; d\u00f2ng AH9, AH12 v\u00e0 AH15 c\u00f3 sinh tr\u01b0\u1edfng nhanh \u0111\u1ea1t n\u0103ng su\u1ea5t 27 \u0111\u1ebfn 38 m3<\/sup>\/ha\/n\u0103m, ch\u1ed1ng ch\u1ecbu b\u1ec7nh t\u1ed1t \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt cho v\u00f9ng \u0110\u00f4ng Nam b\u1ed9; (ii) \u0111\u00e3 ch\u1ecdn t\u1ea1o \u0111\u01b0\u1ee3c 5 gi\u1ed1ng Keo l\u00e1 tr\u00e0m m\u1edbi AA42, AA53, AA56, AA92 v\u00e0 AA95 c\u00f3 n\u0103ng su\u1ea5t cao \u0111\u1ea1t n\u0103ng su\u1ea5t tr\u00ean 20 m3<\/sup>\/ha\/n\u0103m, h\u00ecnh d\u1ea1ng th\u00e2n \u0111\u1eb9p, ch\u1ed1ng ch\u1ecbu b\u1ec7nh t\u1ed1t \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt cho v\u00f9ng Nam b\u1ed9; b\u00ean c\u1ea1nh \u0111\u00f3 c\u00e1c gi\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn CLT1E, CLT7, CLT1F, CLT18, CLT171, CLT43 v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng t\u1ed1t v\u1edbi n\u0103ng su\u1ea5t b\u00ecnh qu\u00e2n h\u00e0ng n\u0103m duy tr\u00ec \u1edf m\u1ee9c t\u1eeb 25 \u0111\u1ebfn 32 m3<\/sup>\/ha\/n\u0103m cho th\u1ea5y ch\u00fang v\u1eabn l\u00e0 c\u00e1c d\u00f2ng c\u00f3 sinh tr\u01b0\u1edfng t\u1ed1t v\u00e0 r\u1ea5t ph\u00f9 h\u1ee3p cho s\u1ea3n xu\u1ea5t g\u1ed7 l\u1edbn; (iii) \u0111\u00e3 ch\u1ecdn t\u1ea1o v\u00e0 c\u00f4ng nh\u1eadn gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt 6 gi\u1ed1ng b\u1ea1ch \u0111\u00e0n lai PB7, PB48, PB55, UP68BB, UP69BB v\u00e0 UP75BB c\u00f3 sinh tr\u01b0\u1edfng nhanh, \u0111\u1ea1t n\u0103ng su\u1ea5t t\u1eeb 35 \u0111\u1ebfn 38 m3<\/sup>\/ha\/n\u0103m, c\u00f3 h\u00ecnh d\u1ea1ng th\u00e2n \u0111\u1eb9p tr\u00ean \u0111i\u1ec1u ki\u1ec7n v\u00f9ng kh\u00f4 h\u1ea1n (l\u01b0\u1ee3ng m\u01b0a 1200mm); (iv) V\u1ec1 c\u00f4ng t\u00e1c chuy\u1ec3n giao v\u00e0 ph\u00e1t tri\u1ec3n gi\u1ed1ng: t\u1eeb n\u0103m 2011 \u0111\u1ebfn nay, Vi\u1ec7n \u0111\u00e3 cung c\u1ea5p h\u01a1n 3 tri\u1ec7u c\u00e2y gi\u1ed1ng g\u1ed1c c\u1ee7a c\u00e1c gi\u1ed1ng \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn cho c\u00e1c c\u01a1 s\u1edf nh\u00e2n gi\u1ed1ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c v\u01b0\u1eddn c\u00e2y \u0111\u1ea7u d\u00f2ng. Vi\u1ec7n \u0111\u00e3 chuy\u1ec3n giao c\u00f4ng ngh\u1ec7 nh\u00e2n gi\u1ed1ng cho nhi\u1ec1u c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t c\u00e2y gi\u1ed1ng \u1edf v\u00f9ng \u0110\u00f4ng Nam b\u1ed9 v\u00e0 Nam Trung b\u1ed9 qua \u0111\u00f3 g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y c\u00f4ng t\u00e1c ph\u00e1t tri\u1ec3n s\u1ea3n xu\u1ea5t n\u00e2ng cao n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>Ch\u1ecdn t\u1ea1o gi\u1ed1ng, keo lai, Keo l\u00e1 tr\u00e0m, b\u1ea1ch \u0111\u00e0n lai, nh\u00e2n gi\u1ed1ng, chuy\u1ec3n giao c\u00f4ng ngh\u1ec7 nh\u00e2n gi\u1ed1ng<\/p>\n

 <\/td>\n<\/tr>\n

Breeding and selection of sain planting species to support forestry development in the South of Vietnam<\/strong>The Southern and Southern of Central Coast Vietnam are highly potential for market oriented forestry development. Because of its importance, in the period 2011 – 2015, the Vietnamese Academy of Forest Sciences focused in research to develop new genetically improved planting stock for mass plantation in these areas and has achieved significant success that can be highlighted as follows: (i) acacia hybrid: 2 clones BV71 and BV73 had been selected and approved as national germplasm for Quy Nhon, Binh Dinh province with MAI ranged from 34 – 38 m3<\/sup>\/ha\/year; clones AH1 and AH7 were approved as national germplasm for the South with MAI reached from 37 to 40 m3<\/sup>\/ha\/year; clones AH9, AH12 and AH15 which showed fast growth (27 to 38 m3<\/sup>\/ha\/year), high disease tolerance were approved as technological advance germplasm for the South East; (ii) 5 clones AA42, AA53, AA56, AA92 and AA95 with MAI exceed 20 m3<\/sup>\/ha\/n\u0103m, good stem form, disease tolerance were approved as technological advance germplasm for the South, the approved clones CLT1E, CLT7, CLT1F, CLT18, CLT171, CLT43 still performed well with MAI of 25 to 32 m3<\/sup>\/ha\/year at age of 8 years indicated that they are fast growing clones and suitable for sawn timber plantation; (iii) 6 clones of eucalyptus hybrid PB7, PB48, PB55, UP68BB, UP69BB and UP75BB had good growth with MAI reached 35 – 38 m3<\/sup>\/ha\/year on the site of low rainfall (< 1200mm) in Ham Thuan Nam, Binh Thuan were approved as technological advance; (iv) From 2011 until now, VAFS has provided more than 3 million original ramets of approved clones as juvenized mother stock for cutting propagation to number of commercial nurseries. VAFS also has transferred tissue culture propagation technology to some big companies in the South East and South – Central Coast to promote the use of new germplasm in forestry.<\/p>\n

Keywords: <\/i><\/b>Breeding, selection, acacia hybrid, Acacia auriculiformis<\/i>, eucalyptus hybrid, propagation, technology transfer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

K\u1ef8 THU\u1eacT GI\u00c2M HOM C\u00c2Y THANH TH\u1ea4T (Ailanthus triphysa<\/i> (DENNST) ALSTON)<\/p>\n

 <\/p>\n

Ph\u1ea1m Th\u1ebf D\u0169ng1<\/sup>, Ph\u1ea1m V\u0103n B\u1ed1n2<\/sup>, Ninh V\u0103n Tu\u1ea5n2<\/sup>,
\nPh\u1ea1m Th\u1ecb M\u1eadn2<\/sup>, Phan Th\u1ecb Ng\u1ecdc Anh3<\/sup>
\n<\/sup>1<\/sup><\/i> Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam b\u1ed9<\/i>
\n<\/i>2<\/sup><\/i> Trung t\u00e2m \u1ee8ng d\u1ee5ng Khoa h\u1ecdc K\u1ef9 thu\u1eadt L\u00e2m nghi\u1ec7p Nam b\u1ed9<\/i>
\n<\/i>3<\/sup><\/i> Trung t\u00e2m Nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m L\u00e2m nghi\u1ec7p \u0110\u00f4ng Nam b\u1ed9<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

Thanh th\u1ea5t (Ailanthus triphysa<\/i>) l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn, b\u1ea3n \u0111\u1ecba c\u00f3 sinh tr\u01b0\u1edfng nhanh v\u00e0 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng cho m\u1ee5c ti\u00eau tr\u1ed3ng r\u1eebng cung c\u1ea5p g\u1ed7 x\u1ebb. Vi\u1ec7c tr\u1ed3ng r\u1eebng c\u00f3 n\u0103ng su\u1ea5t cao, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t \u0111\u00f2i h\u1ecfi tr\u01b0\u1edbc h\u1ebft l\u00e0 gi\u1ed1ng c\u00e2y tr\u1ed3ng. Gi\u00e2m hom l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p nh\u00e2n gi\u1ed1ng v\u00f4 t\u00ednh nh\u1eb1m duy tr\u00ec t\u00ednh \u01b0u vi\u1ec7t c\u1ee7a ngu\u1ed3n gen \u0111\u01b0\u1ee3c tuy\u1ec3n ch\u1ecdn \u0111\u1ec3 n\u00e2ng cao n\u0103ng su\u1ea5t v\u00e0 gi\u00e1 tr\u1ecb r\u1eebng tr\u1ed3ng. M\u1ee5c ti\u00eau c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y nh\u1eb1m x\u00e1c \u0111\u1ecbnh c\u00e1c k\u1ef9 thu\u1eadt ch\u1ee7 y\u1ebfu trong gi\u00e2m hom c\u00e2y Thanh th\u1ea5t bao g\u1ed3m: i) Th\u00ed nghi\u1ec7m gi\u00e1 th\u1ec3 gi\u00e2m hom v\u1edbi 5 nghi\u1ec7m th\u1ee9c: 100% \u0111\u1ea5t t\u1ea7ng m\u1eb7t; 70% \u0111\u1ea5t t\u1ea7ng m\u1eb7t + 30% x\u01a1 d\u1eeba; 50% \u0111\u1ea5t t\u1ea7ng m\u1eb7t + 50% x\u01a1 d\u1eeba; 70% \u0111\u1ea5t t\u1ea7ng m\u1eb7t + 30% c\u00e1t; v\u00e0 50% \u0111\u1ea5t t\u1ea7ng m\u1eb7t + 50% c\u00e1t. ii) Th\u00ed nghi\u1ec7m v\u1ec1 ch\u1ee7ng lo\u1ea1i ch\u1ea5t \u0111i\u1ec1u h\u00f2a sinh tr\u01b0\u1edfng bao g\u1ed3m 9 nghi\u1ec7m th\u1ee9c: \u0110\u1ed1i ch\u1ee9ng; IBA – 500 ppm; IBA – 1000; IBA – 1500; IBA – 2000; IAA – 500; IAA – 1000; IAA – 1500; v\u00e0 IAA – 2000; iii) V\u1ec1 li\u1ec1u l\u01b0\u1ee3ng ch\u1ea5t \u0111i\u1ec1u h\u00f2a sinh tr\u01b0\u1edfng IBA g\u1ed3m 5 nghi\u1ec7m th\u1ee9c: \u0110\u1ed1i ch\u1ee9ng; IBA – 1000 ppm; IBA – 2000; IBA – 3000; v\u00e0 IBA – 4000; iv) Th\u00ed nghi\u1ec7m v\u1ec1 tu\u1ed5i c\u00e2y m\u1eb9 l\u1ea5y hom g\u1ed3m 3 nghi\u1ec7m th\u1ee9c: Hom t\u1eeb c\u00e2y m\u1eb9 2 tu\u1ed5i; t\u1eeb r\u1eebng tr\u1ed3ng 8 tu\u1ed5i; v\u00e0 hom t\u1eeb r\u1eebng tr\u1ed3ng 13 tu\u1ed5i; v) Th\u00ed nghi\u1ec7m v\u1ec1 th\u1eddi v\u1ee5 gi\u00e2m hom g\u1ed3m 4 nghi\u1ec7m th\u1ee9c: Gi\u00e2m v\u00e0o th\u00e1ng 3; th\u00e1ng 6; th\u00e1ng 9; v\u00e0 th\u00e1ng 12. T\u1ea5t c\u1ea3 c\u00e1c th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p b\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m \u0111\u1ed3ng ru\u1ed9ng theo kh\u1ed1i ng\u1eabu nhi\u00ean \u0111\u1ea7y \u0111\u1ee7 v\u1edbi 4 l\u1ea7n l\u1eb7p l\u1ea1i, v\u1edbi 36 hom\/nghi\u1ec7m th\u1ee9c\/l\u1ea7n l\u1eb7p, \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i t\u1ec9nh B\u00ecnh D\u01b0\u01a1ng. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng: C\u00e1c ch\u1ec9 ti\u00eau gi\u00e2m hom v\u1ec1 t\u1ef7 l\u1ec7 ra r\u1ec5, s\u1ed1 r\u1ec5 v\u00e0 chi\u1ec1u d\u00e0i r\u1ec5 l\u00e0 t\u1ed1t nh\u1ea5t khi gi\u00e2m hom trong \u0111i\u1ec1u ki\u1ec7n gi\u00e1 th\u1ec3 l\u00e0 \u0111\u1ea5t t\u1ea7ng m\u1eb7t tr\u1ed9n x\u01a1 d\u1eeba 30% ho\u1eb7c 50% (t\u1ef7 l\u1ec7 ra r\u1ec5 t\u1eeb 43,3 – 58,3%). N\u00ean d\u00f9ng ch\u1ea5t \u0111i\u1ec1u h\u00f2a sinh tr\u01b0\u1edfng IBA v\u1edbi n\u1ed3ng \u0111\u1ed9 t\u1eeb 3000 – 4000 ppm (t\u1ef7 l\u1ec7 ra r\u1ec5 68,8 – 79,8%). Th\u1eddi v\u1ee5 gi\u00e2m hom t\u1ed1t nh\u1ea5t \u1edf v\u00f9ng \u0110\u00f4ng Nam b\u1ed9 l\u00e0 kho\u1ea3ng th\u00e1ng 12, t\u1ef7 l\u1ec7 ra r\u1ec5 \u0111\u1ea1t 85,2%. Tu\u1ed5i c\u00e2y l\u1ea5y hom n\u00ean l\u00e0 c\u00e2y 2 n\u0103m, t\u1ef7 l\u1ec7 ra r\u1ec5 \u0111\u1ea1t 93,3%.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>Gi\u00e2m hom, nh\u00e2n gi\u1ed1ng v\u00f4 t\u00ednh, Thanh th\u1ea5t<\/p>\n

 <\/td>\n<\/tr>\n

Technique on cutting of Ailanthus triphysa<\/i> (Dennst) Alston<\/strong>Ailanthus triphysa <\/i>is big tree, native species with fast growing characteristic and suitable for saw – log plantation. The establisment of plantation with high quality and productivity requests fisrly a good stocks of trees. The cutting is one of vegetative propagation solution to maintain the advantage of selected genes to increase the productivity and value of plantation. The object of this study is to identify a main technology of Ailanthus triphysa<\/i> <\/i>cutting <\/i>includings: i) Study on component of seed bed with 5 treatments: 100% soil of top layer; 70% soil of top layer + 30% coconut fiber; 50% soil of top layer + 50% coconut fiber; 70% soil of top layer + 30% sand; and 50% soil of top layer + 50% sand. ii) The experiment on kind of hormone with 9 treatments: Control; IBA – 500 ppm; IBA – 1000; IBA – 1500; IBA – 2000; IAA – 500; IAA – 1000; IAA – 1500; and IAA – 2000; iii) The experiment on dose of IBA hormone with 5 treatments: Control; IBA – 1000 ppm; IBA – 2000; IBA – 3000; and IBA – 4000; iv) The experiment on age of mother trees from which taking material for cutting with 3 treatments: 2; 8 and 13 years old; v) The experiment on cutting season with 4 treatments: Cutting on March; June; September and December. All of field experiment were conducted by method of completed random block with 4 replications, 36 cuttings\/treatment\/replicate at Binh Duong province. Result of study showed that: All indicators of cutting as rooted rate, quantity and the length of roots are best when the cutting on seed bed from soil of top layer mixing 30 or 50% coconut fiber (rooted rate 43.3 – 58.3%). The using IBA with dose of 3000 – 4000 ppm should be done (rooted rate 68.8 – 79.8%). The cutting season in South East region should be on during December (rooted rate 85.2%). The age of mother trees for cutting should be 2 year old (rooted rate 93.3%).<\/p>\n

Keywords: <\/i><\/b>Ailanthus triphysa<\/i>, cutting, vegetative propagation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

NGHI\u00caN C\u1ee8U CH\u1eccN GI\u1ed0NG V\u00c0 K\u1ef8 THU\u1eacT G\u00c2Y TR\u1ed2NG S\u01a0N HUY\u1ebeT (Melanorrhoea laccifera <\/i>Pierre) V\u00c0 B\u1edcI L\u1edcI \u0110\u1ece (Litsea glutinosa<\/i> Roxb.) CHO V\u00d9NG NAM TRUNG B\u1ed8 V\u00c0 T\u00c2Y NGUY\u00caN<\/p>\n

 <\/p>\n

Nguy\u00ea\u0303n Thi\u0323 Chuy\u00ea\u0300n1<\/sup>, Tr\u1ea7n Th\u1ecb Th\u00fay H\u1eb1ng2
\n<\/sup>1<\/sup><\/i>Trung t\u00e2m Nghi\u00ean c\u01b0\u0301u L\u00e2m sa\u0309n ngoa\u0300i g\u00f4\u0303
\n2<\/sup>Trung t\u00e2m L\u00e2m nghi\u1ec7p Nhi\u1ec7t \u0111\u1edbi<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

\u0110\u1ec1 t\u00e0i c\u1ea5p B\u1ed9 <\/b>“Nghi\u00ean c\u1ee9u ch\u1ecdn gi\u1ed1ng v\u00e0 k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng S\u01a1n huy\u1ebft (Melanorrhoea laccifera <\/i>Pierre) v\u00e0 B\u1eddi l\u1eddi \u0111\u1ecf (Litsea glutinosa <\/i>Roxb.) cho v\u00f9ng Nam Trung b\u1ed9 v\u00e0 T\u00e2y Nguy\u00ean” \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong 5 n\u0103m 2012 – 2016. \u0110\u1ec1 t\u00e0i \u0111\u00e3 tri\u1ec3n khai 08 n\u1ed9i dung nghi\u00ean c\u1ee9u theo k\u1ebf ho\u1ea1ch \u0111\u00e3 \u0111\u01b0\u1ee3c duy\u1ec7t g\u1ed3m (1) Nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc c\u1ee7a S\u01a1n huy\u1ebft; (2) T\u1ed5ng k\u1ebft, \u0111\u00e1nh gi\u00e1 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng, khai th\u00e1c B\u1eddi l\u1eddi \u0111\u1ecf \u0111\u00e3 v\u00e0 \u0111ang \u00e1p d\u1ee5ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng; (3) Nghi\u00ean c\u1ee9u ch\u1ecdn l\u1ecdc c\u00e2y tr\u1ed9i S\u01a1n huy\u1ebft v\u00e0 B\u1eddi l\u1eddi \u0111\u1ecf; (4) Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m sinh l\u00fd v\u00e0 b\u1ea3o qu\u1ea3n h\u1ea1t gi\u1ed1ng S\u01a1n huy\u1ebft; (5) Nghi\u00ean c\u1ee9u k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng h\u1eefu t\u00ednh c\u00e2y S\u01a1n huy\u1ebft; (6) Kh\u1ea3o nghi\u1ec7m h\u1eadu th\u1ebf S\u01a1n huy\u1ebft v\u00e0 B\u1eddi l\u1eddi \u0111\u1ecf; (7) Nghi\u00ean c\u1ee9u k\u1ef9 thu\u1eadt tr\u1ed3ng v\u00e0 ch\u0103m s\u00f3c r\u1eebng tr\u1ed3ng S\u01a1n huy\u1ebft v\u00e0 (8) Nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt nu\u00f4i d\u01b0\u1ee1ng t\u00e1i sinh ch\u1ed3i B\u1eddi l\u1eddi \u0111\u1ecf. V\u1ec1 m\u1eb7t khoa h\u1ecdc \u0111\u00e3 thu \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc c\u1ee7a S\u01a1n huy\u1ebft, k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u ch\u1ecdn gi\u1ed1ng, k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng v\u00e0 k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng lo\u00e0i c\u00e2y S\u01a1n huy\u1ebft; \u0111\u00e3 t\u1ed5ng k\u1ebft \u0111\u00e1nh gi\u00e1 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u00e3 v\u00e0 \u0111ang \u00e1p d\u1ee5ng g\u00e2y tr\u1ed3ng khai th\u00e1c B\u1eddi l\u1eddi \u0111\u1ecf t\u1ea1i v\u00f9ng T\u00e2y Nguy\u00ean, k\u1ebft qu\u1ea3 ch\u1ecdn gi\u1ed1ng, nu\u00f4i d\u01b0\u1ee1ng t\u00e1i sinh ch\u1ed3i B\u1eddi l\u1eddi \u0111\u1ecf.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>B\u1eddi l\u1eddi \u0111\u1ecf, ch\u1ecdn gi\u1ed1ng, k\u1ef9 thu\u1eadt tr\u1ed3ng, S\u01a1n huy\u1ebft<\/td>\n<\/tr>\n

Research on tree breeding and planting technical measurement for Melanorrhoea laccifera<\/i> Pierre and Litsea glutinosa<\/i> Roxb. species in South Central region and Highland region<\/strong>The research project “Research on tree breeding and planting technical measurement for Melanorrhoea laccifera <\/i>Pierre and Litsea glutinosa <\/i>Roxb. species in South Central region and Highland region\u201d was funded by Ministry of Agriculture and Rural Development and has been carried out in five years, from 2012 to 2016. There are eight research contents have been implemented according to research plan such as: (1) Research silviculture characters of Melanorrhoea laccifera<\/i> species; (2) Assessment of technical measurement for planting and exploiting Litsea glutinosa<\/i> which are applied in research region; (3) Research on selection of plus tree for Melanorrhoea laccifera <\/i>and Litsea glutinosa <\/i>species; (4) Research on seed physiological characteristics and seed storage measurement for Melanorrhoea laccifera<\/i> species; (5) Research on technical measurement of sexual multiplication Melanorrhoea laccifera<\/i> species; (6) Develop progeny trials model of Melanorrhoea laccifera <\/i>and Litsea glutinosa <\/i>species (7) Research technical measurement for planting Melanorrhoea laccifera<\/i> species and (8) Research on technical measurement for promoting natural regeneration by coppice <\/b>shoots of <\/b>Litsea glutinosa. <\/i>Overall, the research project has result about understanding silviculture characters of Melanorrhoea laccifera <\/i>as well as result of tree breeding, multiplication and planting technical measurement of this species. The research also review and assess current technical measurement for planting and harvesting Litsea glutinosa<\/i> as well as research result about tree breeding and natural generation of this species in Highland region.<\/p>\n

Keywords: <\/i><\/b>Litsea glutinosa<\/i>, Tree breeding, Planting measurement, Melanorrhoea laccifera<\/i><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

NGHI\u00caN C\u1ee8U CH\u1eccN T\u1ea0O GI\u1ed0NG KEO LAI SINH TR\u01af\u1edeNG NHANH B\u1eb0NG CH\u1ec8 TH\u1eca PH\u00c2N T\u1eec<\/p>\n

 <\/p>\n

H\u00e0 Huy Th\u1ecbnh, L\u00ea S\u01a1n
\nVi\u1ec7n Nghi\u00ean c\u1ee9u Gi\u1ed1ng v\u00e0 C\u00f4ng ngh\u1ec7 Sinh h\u1ecdc L\u00e2m nghi\u1ec7p<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

\u0110\u1ec1 t\u00e0i “Nghi\u00ean c\u1ee9u ch\u1ecdn t\u1ea1o gi\u1ed1ng keo lai sinh tr\u01b0\u1edfng nhanh b\u1eb1ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed<\/i>” \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong giai \u0111o\u1ea1n t\u1eeb n\u0103m 2012 \u0111\u1ebfn 2016 nh\u1eb1m \u1ee9ng d\u1ee5ng song song c\u00e1c ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt c\u1ee7a ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed trong ch\u1ecdn gi\u1ed1ng keo lai k\u1ebft h\u1ee3p v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn gi\u1ed1ng qua di truy\u1ec1n s\u1ed1 l\u01b0\u1ee3ng. Qua \u0111\u00f3, 46 c\u1eb7p m\u1ed3i SSR m\u1edbi cho keo lai \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n, trong \u0111\u00f3 c\u00f3 21 c\u1eb7p m\u1ed3i c\u00f3 t\u00ednh \u0111a h\u00ecnh cao v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u1ea3 keo lai v\u00e0 2 lo\u00e0i b\u1ed1 m\u1eb9. \u0110\u1ed3ng th\u1eddi c\u0169ng \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c 6 c\u1eb7p m\u1ed3i \u0111\u1eb7c hi\u1ec7u cho lo\u00e0i Keo tai t\u01b0\u1ee3ng v\u00e0 Keo l\u00e1 tr\u00e0m d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00e2y lai F1<\/sub> c\u0169ng nh\u01b0 ph\u00e2n bi\u1ec7t c\u00e1c d\u1ea1ng c\u00e2y lai v\u1edbi c\u00e1c c\u00e2y thu\u1ea7n lo\u00e0i. K\u1ebft h\u1ee3p v\u1edbi s\u1ed1 li\u1ec7u v\u1ec1 sinh tr\u01b0\u1edfng tr\u00ean hi\u1ec7n tr\u01b0\u1eddng, 21 ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed c\u00f3 t\u01b0\u01a1ng quan \u0111\u1ebfn t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng nhanh v\u1edbi m\u1ee9c \u0111\u1ed9 t\u00e1c \u0111\u1ed9ng c\u1ed9ng g\u1ed9p c\u1ee7a c\u00e1c alen n\u00ean bi\u1ec3u hi\u1ec7n c\u1ee7a t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng nhanh t\u1eeb 3,8% \u0111\u1ebfn 8,1% \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng trong ch\u1ecdn gi\u1ed1ng keo lai sinh tr\u01b0\u1edfng nhanh. Qua kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh, 5 d\u00f2ng c\u00f3 sinh tr\u01b0\u1edfng nhanh (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng so v\u1edbi gi\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn) \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc, n\u0103ng su\u1ea5t d\u1ef1 \u0111o\u00e1n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c 30m3<\/sup>\/ha\/n\u0103m.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>Ch\u1ecdn t\u1ea1o gi\u1ed1ng, keo lai, ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed<\/td>\n<\/tr>\n

Using molecular markers in breeding program of Acacia hybrid<\/strong>Reseach project <\/b>\u201cUsing molecular markers in the breeding program of Acacia hybrid\u201d <\/b><\/i>was conducted by Institute of Forest Tree Improvement and Biotechnology from 2012 to 2016. The objective of this project was: using microsatellite markers to support the quantitative breeding of acacia hybrid. The project has accomplished and achieved significant results. Forty – six SSR markers for Acacia hybrid and its parental species were developed, in which twenty – one out of these were highly polymorphisms. Six species – specific markers have been isolated in order to discriminate F1, F2, backcross with pure species. From association study, 21 markers, which were associated with growth trait, were developed. The total variation explained for a trait when summing up individual effects (PVE) varied from 3.8 to 8.1% in association studies. Five acacia hybrid clones having high potential in fast growth were selected from the field tests. Using molecular in the breeding program would reduce breeding cycle by at least 4 years in compared with conventional breeding. Scientific activities of the project have also created some immediate results which are transitional and prospective material need to investigate in the future.<\/p>\n

Keywords:<\/i><\/b> Breeding program, \u00a0<\/i><\/b>Acacia hybrid, molecular markers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u0110\u00c1NH GI\u00c1 \u0110A D\u1ea0NG DI TRUY\u1ec0N 19 C\u00c2Y B\u1ed0 M\u1eb8 C\u1ee6A 3 LO\u00c0I B\u1ea0CH \u0110\u00c0N L\u00c0M C\u01a0 S\u1ede CHO X\u00c2Y D\u1ef0NG C\u00c1C PH\u00c9P LAI<\/p>\n

 <\/p>\n

Nguy\u1ec5n Vi\u1ec7t C\u01b0\u1eddng, Nguy\u1ec5n Vi\u1ec7t T\u00f9ng, Nguy\u1ec5n Th\u1ecb Linh \u0110am,
\nNguy\u1ec5n Minh Ng\u1ecdc v\u00e0 \u0110\u1ed7 Th\u1ecb Minh Hi\u1ec3n
\nVi\u1ec7n Nghi\u00ean c\u1ee9u Gi\u1ed1ng v\u00e0 C\u00f4ng ngh\u1ec7 Sinh h\u1ecdc L\u00e2m nghi\u1ec7p<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

Nghi\u00ean c\u1ee9u \u0111\u00e3 s\u1eed d\u1ee5ng 34 m\u1ed3i SSR trong ph\u00e2n t\u00edch \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a 19 c\u00e2y b\u1ed1 m\u1eb9 thu\u1ed9c 3 lo\u00e0i b\u1ea1ch \u0111\u00e0n \u0111\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c m\u1ed1i quan h\u1ec7 huy\u1ebft th\u1ed1ng gi\u1eefa c\u00e1c c\u00e2y trong lo\u00e0i v\u00e0 gi\u1eefa c\u00e1c lo\u00e0i v\u1edbi nhau l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c b\u1ed1 m\u1eb9 lai th\u00edch h\u1ee3p nh\u1ea5t. Kho\u1ea3ng c\u00e1ch di truy\u1ec1n gi\u1eefa 19 m\u1eabu (c\u00e2y) b\u1ea1ch \u0111\u00e0n thu\u1ed9c 3 lo\u00e0i nghi\u00ean c\u1ee9u n\u1eb1m [0,28; 3,882]. Kho\u1ea3ng c\u00e1ch di truy\u1ec1n gi\u1eefa c\u00e1c c\u00e2y trong lo\u00e0i B\u1ea1ch \u0111\u00e0n camal (E. camaldunensis<\/i>) l\u00e0 th\u1ea5p (0,712), ti\u1ebfp \u0111\u1ebfn l\u00e0 lo\u00e0i B\u1ea1ch \u0111\u00e0n ur\u00f4 (E. urophylla<\/i>) \u0111\u1ea1t 0,836 cu\u1ed1i c\u00f9ng l\u00e0 lo\u00e0i B\u1ea1ch \u0111\u00e0n li\u1ec5u (E. exserta<\/i>) v\u1edbi kho\u1ea3ng c\u00e1ch di truy\u1ec1n trung b\u00ecnh trong lo\u00e0i l\u00e0 1,183. V\u1edbi 19 m\u1eabu b\u1ea1ch \u0111\u00e0n nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00e1nh: + Nh\u00e1nh m\u1ed9t l\u00e0 nh\u00f3m lo\u00e0i B\u1ea1ch \u0111\u00e0n li\u1ec5u v\u00e0 B\u1ea1ch \u0111\u00e0n camal, khi lai gi\u1ed1ng gi\u1eefa 2 nh\u00f3m lo\u00e0i n\u00e0y v\u1edbi nhau th\u01b0\u1eddng cho sinh tr\u01b0\u1edfng k\u00e9m so v\u1edbi lai gi\u1ed1ng thu\u1eadn ngh\u1ecbch gi\u1eefa nh\u00f3m lo\u00e0i B\u1ea1ch \u0111\u00e0n uro v\u1edbi B\u1ea1ch \u0111\u00e0n camal v\u00e0 B\u1ea1ch \u0111\u00e0n li\u1ec5u. ++ Nh\u00e1nh hai ch\u1ec9 c\u00f3 c\u00e1c m\u1eabu thu\u1ed9c nh\u00f3m lo\u00e0i B\u1ea1ch \u0111\u00e0n uro. Nh\u01b0 v\u1eady, lo\u00e0i B\u1ea1ch \u0111\u00e0n camal v\u00e0 B\u1ea1ch \u0111\u00e0n li\u1ec5u c\u00f3 quan h\u1ec7 h\u1ecd h\u00e0ng g\u1ea7n nhau h\u01a1n so v\u1edbi B\u1ea1ch \u0111\u00e0n ur\u00f4, do \u0111\u00f3 khi lai gi\u1ed1ng gi\u1eefa B\u1ea1ch \u0111\u00e0n ur\u00f4 v\u1edbi B\u1ea1ch \u0111\u00e0n li\u1ec5u, B\u1ea1ch \u0111\u00e0n camal c\u00e1c t\u1ed5 h\u1ee3p lai th\u01b0\u1eddng c\u00f3 \u01b0u th\u1ebf lai nhi\u1ec1u h\u01a1n so v\u1edbi t\u1ed5 h\u1ee3p lai thu\u1eadn ngh\u1ecbch gi\u1eefa B\u1ea1ch \u0111\u00e0n camal v\u1edbi B\u1ea1ch \u0111\u00e0n li\u1ec5u.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>\u0110a d\u1ea1ng di truy\u1ec1n, <\/b>kho\u1ea3ng c\u00e1ch di truy\u1ec1n, <\/b>E. camaldunensis, E. urophylla, E. exserta<\/i><\/td>\n<\/tr>\n

Analysis of genetic diversity in eucalyptus as basis for breeding program<\/strong>Thirty – four SSR primers was used to analyze genetic diversity of 19 parent trees of three Eucalyptus species to identify phylogenetic relationships among trees of one species and trees in different species. This is the basis for selecting the most suitable hybrid parents. Genetic distances in 19 samples of three species of eucalyptus in this study is [0.28; 3.882]. Genetic distances between the trees of\u00a0E. camaldunensis<\/i>\u00a0is low (0.712), followed by\u00a0E. urophylla<\/i> <\/i>at\u00a00.836 and\u00a0E. exserta<\/i>\u00a0at 1.183. Nineteen studied eucalyptus samples was divided into two groups: i) Group one is including\u00a0E. exserta and\u00a0E. camaldunensis<\/i>, when their hybrid often grow slowly compared with reversible hybridization between\u00a0E. urophylla<\/i>\u00a0with\u00a0E. exserta<\/i>\u00a0and\u00a0E. camaldunensis<\/i>; ii) Group two consists only\u00a0E. urophylla<\/i>. The high genetic diversity between trees in different species and in one species has more significant in breeding and hybridization. In conclusion, E. camaldunensis<\/i> and E. exserta<\/i> has close kinship than E. urophylla<\/i>, therefore hybrid combinations of E. urophylla<\/i> \u00b4 E. exserta<\/i> are usually more dominant than reciprocal hybrid combinations between E. camal<\/i> with E. exserta<\/i>.<\/p>\n

Keywords: <\/i><\/b>Genetic diversity,\u00a0genetic distance, E. camaldunensis, E. urophylla, E. exserta<\/i><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

STRUCTURAL AND DYNAMIC PROPERTIES OF THE DRY DIPTEROCARP FOREST IN CENTRAL HIGHLAND OF VIETNAM<\/p>\n

 <\/p>\n

Tran Van Con
\nSilvicultural Research Institute<\/a>, Vietnamese Academy of Forest Science <\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

The objectives of this study are: (i) to determine community structure and distribution of the dry dipterocarp forest in CH; (ii) to describe the diameter distribution of forest stands; (iii) to classify the site indexes as\u00a0 yield capacity; and (iv) to simulate the diameter increment and the basal area-density (G-N) diagram as an expression of the stand dynamic.Density (N), diameter at breast height (DBH) and basal area (G), frequency of tree species are collected in 40 temporary sample plots of 1ha each and six permanent sample plots. Data for height and diameter growth are obtained by stem analyzing 100 trees of 4 main dominant tree species. Simulation method has been applied based on mathematical models developing for each research property of the forest stand.<\/p>\n

Based on the accumulate entropy of tree species, the dry dipterocarp forest can be divided into five main dominance-types according to the five main dominant species: Shorea obtusa, Dipterocarpus tuberculatus, Diptercarpus obtusifolius, Shorea siamensis<\/i> and Terminalia <\/i>spp. which can be divided further into 17 sub-types. The diameter distribution structure can be described by using the Weibull distribution with two parameters. Through the explanation the meaning of the parameters and their relationship, 7 types of stand structure have been identified.\u00a0 As yield capacity of the dry dipterocarp forest in different sites, four site indexes have been classified based on a height growth function. The diameter increment of interval 10 years for each diameter class is predicted by each site index. The point of DBH size at which the diameter increment reaches its maximum has been calculated. It is a basis for determination of minimum harvestable diameter. A G-N diagram was devised and a method of predicting the tree number and basal area of each diameter class of a stand was developed. Present and optimal stocking of the dry dipterocarp forest in CH were discussed.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>Basal area-density diagram, Central highland, diameter distribution, diameter increment, dominance structure, Dry dipterocap forest, height growth, site index.<\/td>\n<\/tr>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac v\u00e0 \u0111\u1ed9ng th\u00e1i c\u1ee7a r\u1eebng kh\u1ed9p \u1edf T\u00e2y Nguy\u00ean, Vi\u1ec7t Nam<\/strong>M\u1ee5c ti\u00eau c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y l\u00e0 nh\u1eb1m: (i) x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac t\u1ed5 th\u00e0nh v\u00e0 ph\u00e2n b\u1ed1 c\u1ee7a r\u1eebng kh\u1ed9p \u1edf T\u00e2y Nguy\u00ean; (ii) m\u00f4 t\u1ea3 ph\u00e2n b\u1ed1 \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a c\u00e1c l\u00e2m ph\u1ea7n; (iii) ph\u00e2n c\u1ea5p n\u0103ng su\u1ea5t l\u1eadp \u0111\u1ecba c\u1ee7a r\u1eebng kh\u1ed9p; v\u00e0 (iv) m\u00f4 ph\u1ecfng t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 bi\u1ec3u \u0111\u1ed3 G-N nh\u01b0 l\u00e0 bi\u1ec3u hi\u1ec7n \u0111\u1ed9ng th\u00e1i c\u1ee7a l\u00e2m ph\u1ea7n.<\/p>\n

M\u1eadt \u0111\u1ed9 r\u1eebng (N), \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c (DBH) v\u00e0 t\u1ed5ng ti\u1ebft di\u1ec7n ngang (G), t\u1ea7n su\u1ea5t xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e2y r\u1eebng \u0111\u01b0\u1ee3c thu th\u1eadp trong 40 \u00f4 ti\u00eau chu\u1ea9n t\u1ea1m th\u1eddi v\u00e0 6 \u00f4 ti\u00eau chu\u1ea9n \u0111\u1ecbnh v\u1ecb. S\u1ed1 li\u1ec7u nghi\u00ean c\u1ee9u t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao \u0111\u01b0\u1ee3c b\u1ed5 sung b\u1eb1ng 100 c\u00e2y gi\u1ea3i t\u00edch c\u1ee7a 4 lo\u00e0i ch\u00ednh: D\u1ea7u \u0111\u1ed3ng, D\u1ea7u tr\u00e0 beng, C\u00e0 ch\u1eafc v\u00e0 C\u1ea9m li\u00ean. S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p m\u00f4 ph\u1ecfng d\u1ef1a tr\u00ean c\u00e1c m\u00f4 h\u00ecnh to\u00e1n \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n cho m\u1ed7i \u0111\u1eb7c tr\u01b0ng c\u1ee7a r\u1eebng.<\/p>\n

D\u1ef1a tr\u00ean entropy t\u00edch l\u0169y c\u1ee7a c\u00e1c lo\u00e0i, r\u1eebng kh\u1ed9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh 5 \u01b0u h\u1ee3p ch\u00ednh t\u01b0\u01a1ng \u1ee9ng v\u1edbi 5 lo\u00e0i \u01b0u th\u1ebf: C\u00e0 ch\u1eafc, D\u1ea7u \u0111\u1ed3ng, D\u1ea7u tr\u00e0 beng, C\u1ea9m li\u00ean v\u00e0 Chi\u00eau li\u00eau, ch\u00fang c\u00f3 th\u1ec3 chia th\u00e0nh 17 ki\u1ec3u nh\u1ecf h\u01a1n. Ph\u00e2n b\u1ed1 s\u1ed1 c\u00e2y theo \u0111\u01b0\u1eddng k\u00ednh c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 b\u1eb1ng h\u00e0m Weibull v\u1edbi hai tham s\u1ed1. Th\u00f4ng qua vi\u1ec7c gi\u1ea3i th\u00edch \u00fd ngh\u0129a c\u1ee7a c\u00e1c tham s\u1ed1 n\u00e0y v\u00e0 t\u01b0\u01a1ng quan c\u1ee7a ch\u00fang \u0111\u00e3 ph\u00e2n th\u00e0nh 7 ki\u1ec3u c\u1ea5u tr\u00fac N-D. Ti\u1ec1m n\u0103ng n\u0103ng su\u1ea5t c\u1ee7a r\u1eebng kh\u1ed9p th\u1ec3 hi\u1ec7n qua ch\u1ec9 s\u1ed1 l\u1eadp \u0111\u1ecba, \u0111\u00e3 ph\u00e2n th\u00e0nh b\u1ed1n c\u1ea5p n\u0103ng su\u1ea5t d\u1ef1a v\u00e0o h\u00e0m sinh tr\u01b0\u1edfng chi\u1ec1u cao. T\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh theo chu k\u1ef3 10 n\u0103m \u0111\u00e3 \u0111\u01b0\u1ee3c \u01b0\u1edbc l\u01b0\u1ee3ng cho m\u1ed7i c\u1ee1 k\u00ednh v\u00e0 c\u1ea5p n\u0103ng su\u1ea5t. \u0110\u01b0\u1eddng k\u00ednh t\u1ea1i \u0111\u00f3 t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0m c\u01a1 s\u1edf x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u khai th\u00e1c. M\u1ed9t bi\u1ec3u \u0111\u1ed3 G-N \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ef1 \u0111o\u00e1n m\u1eadt \u0111\u1ed9 v\u00e0 t\u1ed5ng ti\u1ebft di\u1ec7n ngang cho m\u1ed7i c\u1ee1 k\u00ednh c\u1ee7a l\u1ea7m ph\u1ea7n \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n. M\u1eadt \u0111\u1ed9 hi\u1ec7n t\u1ea1i v\u00e0 t\u1ed1i \u01b0u c\u1ee7a r\u1eebng \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn th\u00f4ng qua bi\u1ec3u \u0111\u1ed3 N-G.<\/p>\n

Keywords: <\/i><\/b>Bi\u1ec3u \u0111\u1ed3 N-G, c\u1ea5u tr\u00fac \u01b0u th\u1ebf, c\u1ea5p n\u0103ng su\u1ea5t, r\u1eebng kh\u1ed9p, t\u0103ng tr\u01b0\u1edfng chi\u1ec1u cao, t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh, T\u00e2y Nguy\u00ean<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

M\u1ed8T S\u1ed0 K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U V\u00c0 PH\u00c1T TRI\u1ec2N R\u1eeaNG NG\u1eacP M\u1eb6N \u1ede V\u00d9NG NAM B\u1ed8<\/strong><\/p>\n

 <\/p>\n

Ho\u00e0ng V\u0103n Th\u01a1i1<\/sup>, H\u00e0 Th\u1ecb M\u1eebng2<\/sup>, L\u00ea V\u0103n Th\u00e0nh2<\/sup>, V\u0169 Tu\u1ea5n Th\u1ee7y1
\n<\/sup>1<\/sup><\/i>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam b\u1ed9
\n2<\/sup>Vi\u1ec7n Nghi\u00ean c\u1ee9u Sinh th\u00e1i v\u00e0 M\u00f4i tr\u01b0\u1eddng r\u1eebng<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

R\u1eebng ng\u1eadp m\u1eb7n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong ph\u00f2ng h\u1ed9 ven bi\u1ec3n v\u00e0 \u1ee9ng ph\u00f3 v\u1edbi B\u0110KH, \u0111\u1eb7c bi\u1ec7t v\u00f9ng Nam b\u1ed9 n\u01a1i c\u00f3 di\u1ec7n t\u00edch RNM t\u1eadp trung l\u1edbn nh\u1ea5t n\u01b0\u1edbc ta, c\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n RNM \u0111\u00e3 cho th\u1ea5y: k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng \u0110\u01b0\u1edbc, B\u1ea7n chua, M\u1eafm… \u0111\u00e3 cung c\u1ea5p t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ea7y \u0111\u1ee7 t\u1eeb k\u1ef9 thu\u1eadt thu h\u00e1i, b\u1ea3o qu\u1ea3n, gieo \u01b0\u01a1m v\u00e0 ch\u0103m s\u00f3c c\u00e2y con giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m. Tr\u1ed3ng RNM tr\u00ean \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba \u00edt kh\u00f3 kh\u0103n n\u00ean tr\u1ed3ng b\u1eb1ng c\u00e2y con c\u00f3 b\u1ea7u ho\u1eb7c tr\u1ed3ng b\u1eb1ng tr\u1ee5 m\u1ea7m, cho t\u1ef7 l\u1ec7 s\u1ed1ng t\u01b0\u01a1ng \u0111\u1ed1i cao (s\u1ed1ng 75% sau 1 n\u0103m tr\u1ed3ng). Trong \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n, n\u01a1i ng\u1eadp s\u00e2u tr\u1ed3ng c\u00e2y cao 2,5m m\u1edbi th\u00edch h\u1ee3p; B\u1ea7n chua \u0111em tr\u1ed3ng t\u1eeb 15 – 20 th\u00e1ng tu\u1ed5i, c\u1ea7n c\u00f3 c\u1ecdc ch\u1ed1ng khi tr\u1ed3ng; n\u01a1i s\u00f3ng to gi\u00f3 l\u1edbn c\u1ea7n x\u00e2y d\u1ef1ng h\u00e0ng r\u00e0o gi\u1ea3m s\u00f3ng, chi ph\u00ed l\u00e0m h\u00e0ng r\u00e0o gi\u1ea3m s\u00f3ng cao. M\u1eadt \u0111\u1ed9 tr\u1ed3ng B\u1ea7n chua 3333 c\u00e2y\/ha (1m \u00d7 3m), m\u00f9a v\u1ee5 tr\u1ed3ng t\u1eeb th\u00e1ng 6 – 8. M\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn c\u00f4ng t\u00e1c ph\u1ee5c h\u1ed3i r\u1eebng k\u1ebft qu\u1ea3 ch\u01b0a cao l\u00e0 ch\u1ecdn l\u1eadp \u0111\u1ecba, ch\u1ecdn lo\u00e0i c\u00e2y tr\u1ed3ng ch\u01b0a ph\u00f9 h\u1ee3p, th\u1eddi v\u1ee5 tr\u1ed3ng kh\u00f4ng \u0111\u00fang, ch\u1ea5t l\u01b0\u1ee3ng c\u00e2y gi\u1ed1ng c\u00f2n h\u1ea1n ch\u1ebf, con ng\u01b0\u1eddi g\u00e2y ra do \u0111\u00e1nh b\u1eaft th\u1ee7y h\u1ea3i s\u1ea3n; s\u00f3ng to, gi\u00f3 l\u1edbn g\u00e2y x\u00f3i l\u1edf, H\u00e0 b\u00e1m g\u00e2y g\u00e3y \u0111\u1ed5… M\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p nh\u1eb1m \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao trong tr\u1ed3ng, ph\u1ee5c h\u1ed3i RNM l\u00e0 ch\u1ecdn l\u1eadp \u0111\u1ecba v\u00e0 lo\u00e0i c\u00e2y tr\u1ed3ng v\u00e0 tu\u1ed5i c\u00e2y tr\u1ed3ng ph\u00f9 h\u1ee3p, tr\u1ed3ng \u0111\u00fang th\u1eddi v\u1ee5, ch\u1ee7 \u0111\u1ed9ng ngu\u1ed3n gi\u1ed1ng v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng, k\u1ef9 thu\u1eadt tr\u1ed3ng ph\u00f9 h\u1ee3p, n\u01a1i c\u00f3 t\u00e1c \u0111\u1ed9ng m\u1ea1nh c\u1ee7a s\u00f3ng v\u00e0 x\u00f3i l\u1edf m\u1ea1nh c\u1ea7n x\u00e2y d\u1ef1ng h\u00e0ng r\u00e0o gi\u1ea3m s\u00f3ng.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>R\u1eebng ng\u1eadp m\u1eb7n, nh\u00e2n gi\u1ed1ng, tr\u1ed3ng, ph\u1ee5c h\u1ed3i<\/p>\n<\/td>\n<\/tr>\n

Some results on research and development of mangrove forest in Southern Region<\/strong>Mangrove forests play an important role in coastal protection and response to climate change, especially in the Southern region where mangrove area is the largest in our country. Research and development of mangrove forests show that: propagation for Rhizophora<\/i>, Sonneratia<\/i> caseolaris<\/i>, Avicennia<\/i>… have provided a full range of techniques for collecting, preserving, growing and tending seedlings at nursery stage. Mangrove forest on less difficult site condition should be planted with potted seedlings or propagule for relatively high survival rate (75% after 1 year planting). In difficult conditions, such as in Con Ngan, Cau Ngang district, Tra Vinh province, the 2.5m height plant is the most suitable; Sonneratia<\/i> caseolaris<\/i> seedlings are grown from 15-20 months old, need piles while planting; where there are large wind and waves, fences is needed to build for wave reduction, the cost for these fences is relatively high. Sonneratia<\/i> caseolaris<\/i> planting in Soc Trang is currently at a density of 3333 trees\/ha (1m \u00d7 3m), planting season from June to August. Some reasons affect to the rehabilitation of forest\u00a0 are site selection, planting species selection, planting season, quality of the seedlings, human causes by fishing; big waves causing erosion, seaworm… Some measures to achieve high efficiency in mangrove plantation and rehabilitation are to select appropriate site, planting species and planting age, planting season, actively preparation of seedling sources in terms of quantity and quality, suitable planting techniques; where there are strong impacts of waves and erosion, the fences are need to be build in order to reduce waves.<\/p>\n

Keywords: <\/i><\/b>Mangrove, propagation, plantation, rehabilitation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

TH\u1ef0C TR\u1ea0NG NGHI\u00caN C\u1ee8U V\u00c0 PH\u00c1T TRI\u1ec2N\u00a0TR\u1ed2NG R\u1eeaNG TR\u00c0M V\u00c0 KEO TR\u00caN \u0110\u1ea4T PH\u00c8N V\u00d9NG \u0110\u1ed2NG B\u1eb0NG S\u00d4NG C\u1eecU LONG<\/p>\n

 <\/p>\n

V\u0169 \u0110\u00ecnh H\u01b0\u1edfng, Ph\u00f9ng V\u0103n Khang, Ng\u00f4 V\u0103n Ng\u1ecdc, Nguy\u1ec5n Xu\u00e2n H\u1ea3i, Tr\u1ea7n Thanh Cao, Ph\u1ea1m V\u0103n B\u1ed1n, Ki\u1ec1u Tu\u1ea5n \u0110\u1ea1t v\u00e0 L\u01b0\u01a1ng V\u0103n Minh
\nVi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam b\u1ed9<\/i><\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

Hi\u1ec7n nay, c\u00e2y Tr\u00e0m (Melaleuca<\/i> sp.) v\u00e0 c\u00e2y Keo lai (Acacia<\/i> hybrid) \u0111\u00e3 \u0111\u01b0\u1ee3c g\u00e2y tr\u1ed3ng ph\u1ed5 bi\u1ebfn tr\u00ean c\u00e1c v\u00f9ng \u0111\u1ea5t chua ph\u00e8n v\u00f9ng \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long (\u0110BSCL), v\u1edbi di\u1ec7n t\u00edch kho\u1ea3ng 80.000ha r\u1eebng tr\u00e0m v\u00e0 5.000ha r\u1eebng keo lai. \u0110\u1ebfn nay, Vi\u1ec7n KHLN Nam b\u1ed9 \u0111\u00e3 th\u1ef1c hi\u1ec7n c\u00e1c \u0111\u1ec1 t\u00e0i – d\u1ef1 \u00e1n nghi\u00ean c\u1ee9u v\u1ec1 tr\u1ed3ng r\u1eebng tr\u00e0m v\u00e0 keo tr\u00ean \u0111\u1ea5t ph\u00e8n. B\u00e0i vi\u1ebft n\u00e0y t\u00f3m t\u1eaft c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u1ec1 ch\u1ecdn t\u1ea1o gi\u1ed1ng, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t, k\u1ef9 thu\u1eadt tr\u1ed3ng v\u00e0 ch\u0103m s\u00f3c r\u1eebng tr\u00e0m v\u00e0 keo lai. T\u1eeb c\u00e1c k\u1ebft qu\u1ea3 cho th\u1ea5y Tr\u00e0m \u00fac sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n nhanh h\u01a1n Tr\u00e0m ta. Tr\u1ed3ng r\u1eebng tr\u00e0m c\u1ea7n ph\u1ea3i l\u00ean l\u00edp, quy c\u00e1ch l\u00ean l\u00edp c\u1ea7n d\u1ef1a v\u00e0o y\u1ebfu t\u1ed1 l\u1eadp \u0111\u1ecba, d\u1ea1ng \u0111\u1ea5t v\u00e0 \u0111i\u1ec1u ki\u1ec7n kinh t\u1ebf c\u1ee7a ch\u1ee7 r\u1eebng. M\u1eadt \u0111\u1ed9 tr\u1ed3ng r\u1eebng tr\u00e0m th\u00edch h\u1ee3p l\u00e0 t\u1eeb 10.000 – 20.000 c\u00e2y\/ha m\u1eb7t l\u00edp nh\u1eb1m \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1eed d\u1ee5ng \u0111a m\u1ee5c \u0111\u00edch v\u00e0 mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao. Keo lai th\u00edch h\u1ee3p tr\u1ed3ng tr\u00ean l\u00edp ho\u1eb7c b\u1edd bao, n\u0103ng su\u1ea5t \u0111\u1ea1t > 40 m3<\/sup>\/ha\/n\u0103m v\u00e0 mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao cho ng\u01b0\u1eddi tr\u1ed3ng r\u1eebng. Trong kinh doanh r\u1eebng tr\u1ed3ng tr\u00e0m v\u00e0 keo c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng ngu\u1ed3n gi\u1ed1ng l\u00e0 gi\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 gi\u1ed1ng qu\u1ed1c gia, gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt \u00e1p d\u1ee5ng cho t\u1eebng \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba, sinh th\u00e1i v\u00e0 m\u00f4i tr\u01b0\u1eddng. Ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u: ch\u1ecdn gi\u1ed1ng m\u1edbi ch\u1ed1ng ch\u1ecbu s\u00e2u b\u1ec7nh, th\u00edch \u1ee9ng v\u1edbi bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, c\u00f3 n\u0103ng su\u1ea5t cao v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt nh\u1eb1m n\u00e2ng cao n\u0103ng su\u1ea5t – ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng tr\u1ed3ng tr\u00e0m v\u00e0 keo \u1edf v\u00f9ng \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>Keo lai, l\u00ean l\u00edp, tr\u00e0m, tr\u1ed3ng r\u1eebng tr\u00ean \u0111\u1ea5t ph\u00e8n<\/td>\n<\/tr>\n

Situation of research and development for planting Melaleuca and Acacia on acid sulphate soils in the Mekong delta<\/strong>Melaleuca <\/i>sp. <\/i>and Acacia <\/i>hybrid are well – known species planted on acid sulphate soils in the Mekong delta, with approximately 80,000 ha of Melalleuca <\/i>and ~ 5,000 ha of Acacia <\/i>hybrid plantations. To date, the Forest Science Institute of South Vietnam have been implementing research and applied science projects on planting of melaleuca and acacia on acid sulphate soils. This paper reviewed the results of researching on species and provenances, land preparation, planting and tending methods for melaleuca and acacia. The results showed that Australian Melaleuca <\/i>sp. grew faster than local Melaleuca <\/i>sp.. Making embankment of planting melaleuca was necessary, types of embankments based on soil types and economic situation of growers. Suitable density of melaleuca planting was from 10,000 to 20,000 trees per ha for multiple purposes and high profit. Acacia<\/i> hybrid planting on high embankment or dyke reached > 40 m3<\/sup>\/ha\/year in productivity. Planting commercial melaleuca and acacia plantations need to use its certified species and clones and to apply specific site, suitable eco – environmental situations. Continuing research on tree breeding and planting technique to create new species and clones with disease tolerance and adapted to climate change, to improve productivity and quality of melaleuca and acacia plantations in the Mekong delta.<\/p>\n

Keywords: <\/i><\/b>Acacia, embankment, Melaleuca, planting on acid sulphate soils<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

NGHI\u00caN C\u1ee8U V\u00c0 PH\u00c1T TRI\u1ec2N L\u00c2M NGHI\u1ec6P TR\u00caN V\u00d9NG \u0110\u1ea4T KH\u00d4 H\u1ea0N \u1ede NAM TRUNG B\u1ed8<\/p>\n

 <\/p>\n

Ph\u00f9ng V\u0103n Khen
\nVi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam b\u1ed9<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

Nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p tr\u00ean v\u00f9ng \u0111\u1ea5t kh\u00f4 h\u1ea1n \u1edf Nam Trung b\u1ed9 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e1c c\u1ea5p, ng\u00e0nh v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc quan t\u00e2m t\u1eeb r\u1ea5t s\u1edbm. R\u1ea5t nhi\u1ec1u c\u00e1c \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u, d\u1ef1 \u00e1n, ch\u01b0\u01a1ng tr\u00ecnh nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 b\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u tr\u1ed3ng r\u1eebng ph\u00f2ng h\u1ed9, s\u1ea3n xu\u1ea5t c\u1ee7a v\u00f9ng. Tuy nhi\u00ean, k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u1eabn c\u00f2n h\u1ea1n ch\u1ebf, ch\u01b0a \u0111i \u0111\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng cho s\u1ea3n xu\u1ea5t, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng ch\u1ee7 l\u1ef1c tr\u00ean di\u1ec7n t\u00edch l\u1edbn, c\u00e1c lo\u00e0i c\u00e2y cho tr\u1ed3ng r\u1eebng kinh t\u1ebf, l\u00e2m s\u1ea3n ngo\u00e0i g\u1ed7, \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng r\u1ea5t nhi\u1ec1u \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng tr\u1ed3ng c\u0169ng nh\u01b0 n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m \u0111\u1ea7u ra. Nh\u1eefng h\u1ea1n ch\u1ebf, t\u1ed3n t\u1ea1i v\u00e0 m\u1ed9t s\u1ed1 \u0111\u1ecbnh h\u01b0\u1edbng nghi\u00ean c\u1ee9u khoa h\u1ecdc cho v\u00f9ng \u0111\u1eb7c th\u00f9 Nam Trung b\u1ed9 r\u1ea5t c\u1ea7n \u0111\u01b0\u1ee3c s\u1ef1 quan t\u00e2m c\u1ee7a c\u00e1c c\u1ea5p, ng\u00e0nh, c\u00e1c nh\u00e0 khoa h\u1ecdc trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc, nh\u1eb1m th\u00fac \u0111\u1ea9y s\u1ea3n xu\u1ea5t, g\u00e2y tr\u1ed3ng ph\u00e1t huy ti\u1ec1m n\u0103ng to l\u1edbn c\u1ee7a v\u00f9ng t\u1ea1o \u0111\u00e0 cho kinh t\u1ebf ph\u00e1t tri\u1ec3n.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>Kh\u00f4 h\u1ea1n, nghi\u00ean c\u1ee9u v\u00f9ng kh\u00f4 h\u1ea1n, tr\u1ed3ng r\u1eebng tr\u00ean \u0111\u1ea5t kh\u00f4 h\u1ea1n<\/td>\n<\/tr>\n

Research and development for forestry on drought land of the South-central Vietnam<\/strong>Research and development for forestry on drought land of the South-central Vietnam that are early considered by authority and researchers. There were many studies, projects and research programs that were undertaken. The research results met basic requyrement for protected and plantation forests in the region. However, these studies brought limited results because of no offering full knowledges for the end of products in production, especially for main species planted in the large area, commercial plantations, none timber products. These affected to quality and productivity of plantations and output of products. The limitation and research strategies for drought land need to consider from authorities and scientists that will enhance production, afforestation in order to improve economic development.<\/p>\n

Keywords: <\/i><\/b>Drought, research in the drought region, planting on drought land<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

GI\u1ea2I PH\u00c1P TH\u00daC \u0110\u1ea8Y QU\u1ea2N L\u00dd R\u1eeaNG B\u1ec0N V\u1eeeNG V\u00c0 CH\u1ee8NG CH\u1ec8 R\u1eeaNG \u1ede VI\u1ec6T NAM<\/p>\n

 <\/p>\n

V\u0169 T\u1ea5n Ph\u01b0\u01a1ng1<\/sup>, Tr\u1ea7n L\u00e2m \u0110\u1ed3ng2<\/sup>
\n<\/sup>1<\/sup><\/i>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/i>
\n<\/i>2<\/sup><\/i>Vi\u1ec7n Nghi\u00ean c\u1ee9u L\u00e2m sinh<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

Trong b\u1ed1i c\u1ea3nh h\u1ed9i nh\u1eadp th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00e1c th\u00e1ch th\u1ee9c m\u00f4i tr\u01b0\u1eddng to\u00e0n c\u1ea7u, qu\u1ea3n l\u00fd r\u1eebng b\u1ec1n v\u1eefng (QLRBV) v\u00e0 ch\u1ee9ng ch\u1ec9 r\u1eebng (CCR) l\u00e0 m\u1ed9t y\u00eau c\u1ea7u kh\u00e1ch quan v\u00e0 \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i \u1edf nhi\u1ec1u qu\u1ed1c gia. Vi\u1ec7t Nam \u0111\u00e3 ti\u1ebfp c\u1eadn QLRBV v\u00e0 CCR t\u1eeb n\u0103m 2006 v\u00e0 \u0111\u00e3 ban h\u00e0nh c\u00e1c ch\u00ednh s\u00e1ch nh\u1eb1m th\u1ef1c hi\u1ec7n QLRBV v\u00e0 CCR. Tuy nhi\u00ean, vi\u1ec7c th\u1ef1c hi\u1ec7n QLRBV v\u00e0 CCR c\u00f2n kh\u00e1 ch\u1eadm v\u00e0 di\u1ec7n t\u00edch \u0111\u1ea1t ch\u1ee9ng ch\u1ec9 QLRBV l\u00e0 r\u1ea5t khi\u00eam t\u1ed1n so v\u1edbi m\u1ee5c ti\u00eau \u0111\u1ec1 ra. C\u00e1c h\u1ea1n ch\u1ebf v\u00e0 th\u00e1ch th\u1ee9c trong th\u1ef1c hi\u1ec7n QLRBV v\u00e0 CCR bao g\u1ed3m c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u1ec3 ch\u1ebf, ch\u00ednh s\u00e1ch; n\u0103ng l\u1ef1c k\u1ef9 thu\u1eadt, chi ph\u00ed c\u1ea5p ch\u1ee9ng ch\u1ec9 v\u00e0 \u0111\u1ea7u t\u01b0 t\u00e0i ch\u00ednh, quy\u1ec1n s\u1eed d\u1ee5ng \u0111\u1ea5t h\u1ee3p ph\u00e1p v\u00e0 quy m\u00f4 di\u1ec7n t\u00edch nh\u1ecf l\u1ebb c\u1ee7a c\u00e1c ch\u1ee7 r\u1eebng l\u00e0 h\u1ed9 gia \u0111\u00ecnh v\u00e0 c\u00e1 nh\u00e2n. Nh\u1eb1m th\u00fac \u0111\u1ea9y QLRBV v\u00e0 CCR \u1edf Vi\u1ec7t Nam, c\u00e1c gi\u1ea3i ph\u00e1p c\u1ea7n t\u1eadp trung v\u00e0o x\u00e2y d\u1ef1ng v\u00e0 v\u1eadn h\u00e0nh c\u01a1 quan CCR qu\u1ed1c gia v\u00e0 ban h\u00e0nh b\u1ed9 ti\u00eau chu\u1ea9n qu\u1ed1c gia v\u1ec1 QLRBV v\u00e0 CoC \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a T\u1ed5 ch\u1ee9c CCR qu\u1ed1c t\u1ebf; x\u00e2y d\u1ef1ng n\u0103ng l\u1ef1c v\u00e0 n\u00e2ng cao nh\u1eadn th\u1ee9c cho c\u00e1c ch\u1ee7 r\u1eebng, doanh nghi\u1ec7p; t\u0103ng c\u01b0\u1eddng \u0111\u1ea7u t\u01b0; n\u00e2ng cao n\u0103ng su\u1ea5t r\u1eebng v\u00e0 gi\u00e1 tr\u1ecb c\u1ee7a r\u1eebng v\u00e0 th\u00fac \u0111\u1ea9y QLRBV v\u00e0 CCR theo nh\u00f3m.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>Ch\u1ee9ng ch\u1ec9 r\u1eebng, qu\u1ea3n l\u00fd r\u1eebng b\u1ec1n v\u1eefng, l\u00e2m nghi\u1ec7p<\/td>\n<\/tr>\n

Promoting implementation of sustainable forest management and forest certification in Vietnam<\/strong>In the context of global trading integration and environment challenges, sustainable forest management (SFM) and forest certification (FC) are obvious requyrement and being implemented widely in many countries. Vietnam has approached SFM and FC since 1998 and developed numbers of policies to implement SFM and FC. However, the implementation of SFM and FC is rather slow, and the certified forest area is quyte small in comparison with the set targets. The limitations and the challenges in implemneting SFM and FC in Vietnam are the aspects of institution and policy, technical capacity, certification costs and investment, legal land tenure and large numbers of household and individual forest growers. To promote SFM and FC in Vietnam, the consideration of solutions and measures should focus on the development and operation of national forest certification agency and issuance of national standards on FM and CoC meeting requyrements of the international forest certification organizations; capacity building and awareness raising for forest owners and wood industry enterprises; sufficient investment; improvement of forest productivity and value and promotion of group forest certification.<\/p>\n

Keywords: <\/i><\/b>Forest certification, sustainable forest management, forestry<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u0110\u00c1NH GI\u00c1 HI\u1ec6U QU\u1ea2 KINH T\u1ebe R\u1eeaNG TR\u1ed2NG B\u1edcI L\u1edcI \u0110\u1ece (Machilus odoratissima <\/i>Nees) <\/i>THU\u1ea6N LO\u00c0I V\u00c0 XEN S\u1eaeN T\u1ea0I HUY\u1ec6N MANG YANG, T\u1ec8NH GIA LAI<\/p>\n

 <\/p>\n

\u0110\u1eb7ng Th\u00e1i D\u01b0\u01a1ng, \u0110\u1eb7ng Th\u00e1i Ho\u00e0ng
\nTr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc N\u00f4ng L\u00e2m- \u0110\u1ea1i H\u1ecdc Hu\u1ebf<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

\u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 kinh t\u1ebf r\u1eebng tr\u1ed3ng B\u1eddi l\u1eddi \u0111\u1ecf (Machilus odoratissima<\/i> Nees) t\u1ea1i huy\u1ec7n Mang Yang, t\u1ec9nh Gia Lai g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n r\u1eebng tr\u1ed3ng B\u1eddi l\u1eddi \u0111\u1ecf v\u00e0 n\u00e2ng cao \u0111\u1eddi s\u1ed1ng c\u1ee7a ng\u01b0\u1eddi d\u00e2n c\u1ee7a t\u1ec9nh Gia Lai l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. K\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a r\u1eebng tr\u1ed3ng B\u1eddi l\u1eddi \u0111\u1ecf thu\u1ea7n lo\u00e0i 5 n\u0103m tu\u1ed5i, v\u1edbi l\u00e3i su\u1ea5t ng\u00e2n h\u00e0ng l\u00e0 8,4%. T\u1ed5ng thu nh\u1eadp l\u00e0 183.150.000 \u0111\u1ed3ng\/ha; Gi\u00e1 tr\u1ecb hi\u1ec7n th\u1ef1c c\u1ee7a thu nh\u1eadp sau khi tr\u1ea3 l\u00e3i ng\u00e2n h\u00e0ng l\u00e0 122.344.200 \u0111\u1ed3ng\/ha. Ch\u1ec9 ti\u00eau NPV \u1edf r\u1eebng 5 n\u0103m tu\u1ed5i 67.775.530 \u0111\/ha, trung b\u00ecnh 1ha r\u1eebng B\u1eddi l\u1eddi l\u1ee3i nhu\u1eadn r\u00f2ng ng\u01b0\u1eddi tr\u1ed3ng thu \u0111\u01b0\u1ee3c sau 5 n\u0103m l\u00e0 h\u01a1n 67 tri\u1ec7u v\u00e0 l\u1ee3i nhu\u1eadn r\u00f2ng m\u1ed7i n\u0103m l\u00e0 g\u1ea7n 14 tri\u1ec7u. \u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 kinh t\u1ebf r\u1eebng tr\u1ed3ng B\u1eddi l\u1eddi \u0111\u1ecf r\u1eebng 5 n\u0103m tu\u1ed5i xen s\u1eafn: Sau c\u1ea3 lu\u00e2n k\u00ec 5 n\u0103m ng\u01b0\u1eddi d\u00e2n c\u00f3 t\u1ed5ng thu nh\u1eadp t\u1eeb B\u1eddi l\u1eddi \u0111\u1ecf v\u00e0 s\u1eafn l\u00e0 234.900.000 \u0111\u1ed3ng. Ch\u1ec9 ti\u00eau NPV \u1edf lu\u00e2n k\u1ef3 1 l\u00e0 90.273.736 \u0111\/ha, trung b\u00ecnh 1ha r\u1eebng B\u1eddi l\u1eddi l\u1ee3i nhu\u1eadn r\u00f2ng ng\u01b0\u1eddi tr\u1ed3ng thu \u0111\u01b0\u1ee3c sau 5 n\u0103m l\u00e0 h\u01a1n 98 tri\u1ec7u v\u00e0 l\u1ee3i nhu\u1eadn r\u00f2ng m\u1ed7i n\u0103m l\u00e0 h\u01a1n 18 tri\u1ec7u. So s\u00e1nh c\u00e1c ch\u1ec9 ti\u00eau hi\u1ec7u qu\u1ea3 kinh t\u1ebf gi\u1eefa m\u00f4 h\u00ecnh tr\u1ed3ng B\u1eddi l\u1eddi \u0111\u1ecf v\u00e0 m\u00f4 h\u00ecnh tr\u1ed3ng B\u1eddi l\u1eddi \u0111\u1ecf xen s\u1eafn lu\u00e2n k\u1ef3 1 n\u0103m \u0111\u1ea7u sau khi tr\u1ed3ng cho th\u1ea5y m\u00f4 h\u00ecnh tr\u1ed3ng B\u1eddi l\u1eddi xen s\u1eafn \u1edf lu\u00e2n k\u1ef3 5 n\u0103m tu\u1ed5i l\u1edbn h\u01a1n m\u00f4 h\u00ecnh tr\u1ed3ng B\u1eddi l\u1eddi \u0111\u1ecf thu\u1ea7n lo\u00e0i. V\u00ec v\u1eady, n\u1ebfu ch\u1ec9 kinh doanh r\u1eebng tr\u1ed3ng B\u1eddi l\u1eddi \u0111\u1ecf 1 lu\u00e2n k\u1ef3 5 n\u0103m sau \u0111\u00f3 tr\u1ed3ng l\u1ea1i th\u00ec n\u00ean tr\u1ed3ng xen B\u1eddi l\u1eddi \u0111\u1ecf v\u1edbi s\u1eafn \u0111\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao h\u01a1n r\u1eebng thu\u1ea7n lo\u00e0i.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>B\u1eddi l\u1eddi \u0111\u1ecf, hi\u1ec7u qu\u1ea3 kinh t\u1ebf, T\u00e2y Nguy\u00ean<\/td>\n<\/tr>\n

The evaluation of the economic efficiency of pure Machilus odoratissima<\/i> Nees plantation intercropped with cassava in Mang Yang district, Gia Lai province<\/strong>The evaluation of the economic efficiency of Machilus odoratissima<\/i> Nees plantations in Mang Yang district, Gia Lai province contributesto promote the development of plantations of this species, and enhance the living standard of people in Gia Lai province. The results of the economic assessment of the 5-year-old pure Machilus odoratissima<\/i> Nees plantation with a bank interest rate of 8,4% show that the total income was 183,150,000 VND\/ha. The actual value of the income after paying the bank interest was 122,344,200 VND\/ha. The NPV in the 5-year-old plantation was 67,775,530 VND\/ha, on the average of 1 ha of plantation, the net profit of farmer after 5 years was more than 67 million and the net profit per year was nearly 14 million. The evaluation of the economic efficiency of Machilus odoratissima<\/i> Nees plantation with \u200b\u200b5 year-old intercropped with cassava after 5-year cycle indicates that the total income from Machilus odoratissima<\/i> Nees and cassava was 234,900,000 VND\/ha. The NPV in the first cycle was 90,273,736 VND\/ha\/5years, on the average of 1 ha of plantation, the net profit earned by farmer after 5 years was more than over 98 million and the net profit per year was over 18 million. The comparison of the economic efficiency norms between the model of pure Machilus odoratissima<\/i> Nees plantation and the model of Machilus odoratissima<\/i> Nees plantation intercropped with cassava in the first cycle after planting shows that the model of Machilus odoratissima<\/i> Nees plantation intercropped with cassava was greater than the model of pure Machilus odoratissima<\/i> Nees. Therefore, we suggest that the model of Machilus odoratissima<\/i> Nees plantation intercropped with cassava should be applied because this will bring the higher economic efficiency than pure plantation.<\/p>\n

Keywords: <\/i><\/b>Machilus odoratissima<\/i>\u00a0Nees,\u00a0economic efficiency, Central Highlands<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

QUY\u1ec0N S\u1eec D\u1ee4NG R\u1eeaNG V\u00c0 TH\u1ef0C TI\u1ec4N QU\u1ea2N L\u00dd R\u1eeaNG C\u1ed8NG \u0110\u1ed2NG V\u00d9NG PH\u00d2NG H\u1ed8 \u0110\u1ea6U NGU\u1ed2N<\/strong><\/p>\n

 <\/p>\n

Ho\u00e0ng Li\u00ean S\u01a1n, L\u00ea V\u0103n C\u01b0\u1eddng
\nTrung t\u00e2m Nghi\u00ean c\u1ee9u Kinh t\u1ebf L\u00e2m nghi\u1ec7p<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

Nghi\u00ean c\u1ee9u v\u1ec1 quy\u1ec1n s\u1eed d\u1ee5ng r\u1eebng v\u00e0 \u0111\u00e1nh gi\u00e1 th\u1ef1c tr\u1ea1ng qu\u1ea3n l\u00fd r\u01b0\u0300ng ph\u00f2ng h\u1ed9 \u0111\u00e2\u0300u ngu\u00f4\u0300n c\u1ee7a c\u1ed9ng \u0111\u1ed3ng d\u00e2n t\u1ed9c M\u01b0\u1eddng t\u1ea1i 4 th\u00f4n thu\u1ed9c 2 x\u00e3 c\u1ee7a huy\u1ec7n \u0110\u00e0 B\u1eafc, t\u1ec9nh H\u00f2a B\u00ecnh cho th\u1ea5y c\u1ed9ng \u0111\u1ed3ng d\u00e2n c\u01b0 ng\u01b0\u1eddi d\u00e2n t\u1ed9c M\u01b0\u1eddng \u0111\u00e3 th\u1ef1c hi\u1ec7n t\u1ed1t vi\u1ec7c qu\u1ea3n l\u00fd b\u1ea3o v\u1ec7 r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u01b0\u1ee3c UBND x\u00e3 giao qua\u0309n ly\u0301 ba\u0309o v\u00ea\u0323 r\u1eebng. Nh\u00e2n t\u1ed1 quan tr\u1ecdng \u0111\u1ea3m b\u1ea3o c\u00e1c c\u1ed9ng \u0111\u1ed3ng th\u1ef1c hi\u1ec7n t\u1ed1t vi\u1ec7c qu\u1ea3n l\u00fd b\u1ea3o v\u1ec7 r\u1eebng l\u00e0 nh\u1edd t\u00e2\u0323p qua\u0301n v\u00e0 truy\u1ec1n th\u1ed1ng g\u1eafn b\u00f3 v\u1edbi r\u1eebng c\u1ee7a c\u1ed9ng \u0111\u1ed3ng trong s\u1ea3n xu\u1ea5t, v\u0103n ho\u00e1 va\u0300 t\u00edn ng\u01b0\u1ee1ng. M\u1eb7c d\u00f9, quy\u1ec1n s\u1eed du\u0323ng r\u1eebng c\u1ee7a h\u1ecd c\u00f2n nhi\u1ec1u h\u1ea1n ch\u1ebf, mang t\u00ednh t\u1ea1m th\u1eddi v\u00e0 ch\u01b0a r\u00f5 r\u00e0ng, nh\u01b0ng v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 ngu\u1ed3n t\u00e0i ch\u00ednh m\u1edbi t\u1eeb chi tr\u1ea3 d\u1ecbch v\u1ee5 m\u00f4i tr\u01b0\u1eddng r\u1eebng \u0111\u00e3 l\u00e0m t\u0103ng hi\u1ec7u qu\u1ea3 qu\u1ea3n l\u00fd r\u1eebng c\u1ee7a c\u00e1c c\u1ed9ng \u0111\u1ed3ng d\u00e2n c\u01b0. Do \u0111\u00f3, vi\u1ec7c l\u00e0m r\u00f5 quy\u1ec1n s\u1eed d\u1ee5ng r\u1eebng v\u00e0 x\u00e2y d\u1ef1ng c\u01a1 ch\u1ebf h\u1ed7 tr\u1ee3, \u0111\u1eb7c bi\u1ec7t h\u1ed7 tr\u1ee3 t\u00e0i ch\u00ednh cho c\u00e1c c\u1ed9ng \u0111\u1ed3ng d\u00e2n c\u01b0 qu\u1ea3n l\u00fd r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n l\u00e0 gi\u1ea3i ph\u00e1p quan tr\u1ecdng kh\u00f4ng ch\u1ec9 g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n sinh k\u1ebf v\u00e0 th\u1ef1c hi\u1ec7n quy\u1ec1n s\u1eed d\u1ee5ng r\u1eebng c\u1ee7a h\u1ecd, ma\u0300 co\u0300n g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 v\u00e0 ph\u00e1t tri\u1ec3n t\u00e0i nguy\u00ean r\u1eebng b\u1ec1n v\u1eefng.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>Quy\u1ec1n s\u1eed d\u1ee5ng r\u1eebng, qu\u1ea3n l\u00fd r\u1eebng c\u1ed9ng \u0111\u1ed3ng, chi tr\u1ea3 DVMTR<\/td>\n<\/tr>\n

Forest use rights and community forestry practices in watershed protection area<\/strong>Research on forest use rights and assessing the current status of watershed protection forest management in the Muong community in four villages belong two communes of Da Bac district, Hoa Binh province. The research results showed that the Muong community has well managed througt contracting with the Commune People’s Committee for forest protection and development. This is important to ensure that communities carry out well management and protection of the forest by virtue of the community’s traditions and customs associated with production, culture and belief. Although their forest use rights are limited, temporary and unclear, but with new financial support from payments for forest environmental services are increasing the effectiveness of forest protection and development. Therefore, the clarification of forest use rights and the development of support mechanisms, especially financial support to local communities in watershed management are not only important to improve livelihoods and implement their forest use rights, but also contribute to the protection and development of sustainable forest resources.<\/p>\n

Keywords: <\/i><\/b>Forest use right, community forestry, payment for forest evironmental services<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

PH\u00c2N T\u00cdCH TH\u1ef0C TR\u1ea0NG CH\u00cdNH S\u00c1CH PH\u00c1T TRI\u1ec2N R\u1eeaNG TR\u1ed2NG S\u1ea2N XU\u1ea4T \u1ede C\u00c1C T\u1ec8NH PH\u00cdA NAM<\/strong><\/p>\n

 <\/p>\n

Tr\u1ea7n Thanh Cao1<\/sup>, Ho\u00e0ng Li\u00ean S\u01a1n2<\/sup>, Nguy\u1ec5n Gia Ki\u00eam2<\/sup>,
\nL\u01b0\u01a1ng V\u0103n Minh1<\/sup>, V\u0169 Tu\u1ea5n Th\u1ee7y 1<\/sup>
\n<\/sup>1<\/sup><\/i>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam b\u1ed9, 2<\/sup>Trung t\u00e2m Nghi\u00ean c\u1ee9u Kinh t\u1ebf L\u00e2m nghi\u1ec7p.<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

R\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t c\u00f3 vai tr\u00f2 r\u1ea5t l\u1edbn trong ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng kinh t\u1ebf – x\u00e3 h\u1ed9i c\u1ee7a \u0111\u1ea5t n\u01b0\u1edbc. Ch\u00ednh s\u00e1ch c\u1ee7a Nh\u00e0 n\u01b0\u1edbc ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m v\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a trong ph\u00e1t tri\u1ec3n tr\u1ed3ng r\u1eebng s\u1ea3n xu\u1ea5t, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi khu v\u1ef1c ph\u00eda Nam c\u00f3 nhi\u1ec1u ti\u1ec1m n\u0103ng cho ph\u00e1t tri\u1ec3n r\u1eebng tr\u1ed3ng cung c\u1ea5p g\u1ed7 l\u1edbn. Nghi\u00ean c\u1ee9u n\u00e0y \u0111\u00e3 \u0111\u00e1nh gi\u00e1 th\u1ef1c tr\u1ea1ng ch\u00ednh s\u00e1ch ph\u00e1t tri\u1ec3n r\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t t\u1eeb n\u0103m 1990 \u0111\u1ebfn nay cho c\u00e1c t\u1ec9nh ph\u00eda Nam. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng, vi\u1ec7c tri\u1ec3n khai ch\u00ednh s\u00e1ch \u0111\u00e3 khuy\u1ebfn kh\u00edch th\u00fac \u0111\u1ea9y ph\u00e1t tri\u1ec3n tr\u1ed3ng r\u1eebng, mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00e0 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho ch\u1ee7 r\u1eebng v\u00e0 cho x\u00e3 h\u1ed9i. Tuy nhi\u00ean, \u0111\u1ec3 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng r\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t c\u00e1c t\u1ec9nh ph\u00eda Nam c\u1ea7n b\u1ed5 sung, \u0111i\u1ec1u ch\u1ec9nh v\u00e0 ho\u00e0n thi\u1ec7n c\u01a1 ch\u1ebf ch\u00ednh s\u00e1ch nh\u01b0 sau: (1) \u0110i\u1ec1u ch\u1ec9nh k\u1ebf ho\u1ea1ch s\u1eed d\u1ee5ng \u0111\u1ea5t theo h\u01b0\u1edbng t\u0103ng di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng g\u1ed7 l\u1edbn cho v\u00f9ng Nam b\u1ed9, gi\u1ea3m \u1edf v\u00f9ng Duy\u00ean h\u1ea3i Nam Trung b\u1ed9; (2) Tri\u1ec3n khai th\u00ed \u0111i\u1ec3m b\u1ea3o hi\u1ec3m r\u1ee7i ro cho r\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t; (3) H\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n r\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t c\u1ea7n chia ra hai giai \u0111o\u1ea1n: Giai \u0111o\u1ea1n t\u1ea1o r\u1eebng (\u01b0u ti\u00ean cho c\u00e1c huy\u1ec7n ngh\u00e8o \u1edf Duy\u00ean h\u1ea3i Nam Trung b\u1ed9); v\u00e0 giai \u0111o\u1ea1n h\u1ed7 tr\u1ee3 ch\u0103m s\u00f3c nu\u00f4i d\u01b0\u1ee1ng th\u00e0nh r\u1eebng tr\u1ed3ng g\u1ed7 l\u1edbn (\u01b0u ti\u00ean cho v\u00f9ng Nam b\u1ed9); v\u00e0 (4) Tri\u1ec3n khai lo\u1ea1i d\u1ecbch v\u1ee5 m\u00f4i tr\u01b0\u1eddng r\u1eebng h\u1ea5p th\u1ee5 c\u00e1c bon \u0111\u1ed1i v\u1edbi r\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t c\u1ee7a c\u00e1c t\u1ec9nh \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>Ch\u00ednh s\u00e1ch l\u00e2m nghi\u1ec7p; r\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t, c\u00e1c t\u1ec9nh ph\u00eda Nam<\/td>\n<\/tr>\n

Analysing status of policy development of plantation forests in Southern provinces, Vietnam<\/strong>Production plantation forests have got a very important role in the country’s economy for sustainable socio-economic development. Forestry policies are increasingly concerned and synchronized in the development of production plantation forests. Especially in the Southern provinces, it has high potential for development of forest plantations for saw log timber supply. This study assessed the status of forestry policies dealing with production plantation forests from 1990 up to now in the Southern provinces. Research results indicate that these policies implementation has encouraged the development of plantation forests, bringing economic benefits and benefits to forest owners and the society. However, for the sustainable development of production plantation forests in the Southern provinces, the following policies should be supplemented, adjusted and finalized: (1) Revised land use plans to increase the area of \u200b\u200bsaw log plantation forests for the Southeast and Southwest provinces, decreasing in the South Central Coast provinces; (2) Pilot insurance payment for production plantation forests; (3) Support to the development of production forests should be divided into two phases: First phase is establishing plantation forests (priority for poor districts in the South Central Coast); Second phase is maintaining and expanding rotation for saw log timber production (priority for the South); and (4) the implementation of carbon capture forest ecosystem services for production forests of the Mekong Delta provinces.<\/p>\n

Keywords: <\/i><\/b>Forestry policies, production plantation forests, Southern provinces<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

M\u00d4 H\u00ccNH LI\u00caN K\u1ebeT C\u00d4NG TY M\u1eb8 – C\u00d4NG TY CON: NGHI\u00caN C\u1ee8U TR\u01af\u1edcNG H\u1ee2P T\u1ea0I T\u1ed4NG C\u00d4NG TY GI\u1ea4Y VI\u1ec6T NAM (VINAPACO)<\/p>\n

 <\/p>\n

Ho\u00e0ng Li\u00ean S\u01a1n, Nguy\u1ec5n Th\u1ecb Thu H\u00e0, Ph\u1ea1m Th\u1ecb Luy\u1ec7n
\nTrung t\u00e2m Nghi\u00ean c\u1ee9u Kinh t\u1ebf L\u00e2m nghi\u1ec7p <\/i><\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

Nghi\u00ean c\u1ee9u m\u00f4 h\u00ecnh li\u00ean k\u1ebft c\u00f4ng ty m\u1eb9 – c\u00f4ng ty con \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i T\u1ed5ng c\u00f4ng ty gi\u1ea5y Vi\u1ec7t Nam (VINAPACO) thu\u1ed9c \u0111\u1ecba b\u00e0n t\u1ec9nh Ph\u00fa Th\u1ecd nh\u1eb1m m\u1ee5c ti\u00eau: (i) Ph\u00e2n t\u00edch h\u00ecnh th\u1ee9c v\u00e0 c\u01a1 ch\u1ebf v\u1eadn h\u00e0nh m\u00f4 h\u00ecnh; (ii) \u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 kinh t\u1ebf, g\u1ed3m: Gi\u00e1 tr\u1ecb hi\u1ec7n t\u1ea1i thu\u1ea7n (NPV), t\u1ef7 l\u1ec7 thu nh\u1eadp\/chi ph\u00ed (BCR), t\u1ef7 l\u1ec7 ho\u00e0n v\u1ed1n n\u1ed9i b\u1ed9 (IRR), v\u00e0 gi\u00e1 tr\u1ecb gia t\u0103ng (VA) c\u1ee7a m\u00f4 h\u00ecnh. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y, MHLK c\u00f4ng ty m\u1eb9 – c\u00f4ng ty con gi\u1eefa VINAPACO – C\u00f4ng ty l\u00e2m nghi\u1ec7p (CTLN) – H\u1ed9 gia \u0111\u00ecnh (HG\u0110) l\u00e0 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c kinh doanh theo chu\u1ed7i cung \u1ee9ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p b\u1edfi chu\u1ed7i gi\u00e1 tr\u1ecb g\u1ed7 nguy\u00ean li\u1ec7u b\u1ed9t gi\u1ea5y. M\u00f4 h\u00ecnh n\u00e0y \u0111\u00e3 mang l\u1ea1i l\u1ee3i \u00edch c\u00f4ng b\u1eb1ng cho t\u1ea5t c\u1ea3 c\u00e1c t\u00e1c nh\u00e2n tham gia, \u1ed5n \u0111\u1ecbnh ngu\u1ed3n nguy\u00ean li\u1ec7u g\u1ed7 \u0111\u1ea7u ch\u1ebf bi\u1ebfn b\u1ed9t gi\u1ea5y, b\u1ea3o to\u00e0n v\u1ed1n \u0111\u1ea7u t\u01b0, t\u0103ng di\u1ec7n r\u1eebng c\u00f3 ch\u1ee9ng ch\u1ec9 r\u1eebng v\u00e0 n\u00e2ng cao thu nh\u1eadp cho HG\u0110.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>C\u00f4ng ty m\u1eb9 – con, h\u1ed9 gia \u0111\u00ecnh, b\u1ed9t gi\u1ea5y<\/td>\n<\/tr>\n

Parent company-subsidiary model: Case study at the Vietnam Paper Corporation (VINAPACO)<\/strong>Studying on the parent company-subsidiary model at the Vietnam Paper Corporation (VINAPACO) in Phu Tho province is to aim the following objectives: (i) Formal analysis and model operating mechanism; (ii) Assessment of financial efficiency, including: Net present value (NPV), Benefit Cost Ratio (BCR), Internal rate of return (IRR), and Value added (VA) of the model. It shows that this model made linkage between VINAPACO – Forestry Company – households is to create a supply chain as business strategy integrated by raw materials of pulp wood value chains. It has brought equytable benefits for all stakeholders, stabilized raw materials of pulp wood to assure capital investments, as well as increasing plantation area with forest certification (FSC) and improving household income.<\/p>\n

Keywords: <\/i><\/b>Parent company-subsidiary, household, pulp wood<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U C\u00d4NG NGH\u1ec6 S\u1ea2N XU\u1ea4T\u00a0B\u1ea6U \u01af\u01a0M C\u00c2Y L\u00c2M NGHI\u1ec6P V\u1edaI V\u1ece B\u1ea6U M\u1ec0M T\u1ef0 H\u1ee6Y V\u00c0 COMPOST T\u1eea S\u1ea2N PH\u1ea8M PH\u1ee4 R\u1eeaNG TR\u1ed2NG<\/p>\n

 <\/p>\n

L\u00ea Xu\u00e2n Ph\u00fac1<\/sup>, Ph\u1ea1m Quang Thu2<\/sup>, \u0110\u1eadu Th\u1ebf Nhu3<\/sup>
\n1<\/sup><\/i>Vi\u1ec7n Nghi\u00ean c\u1ee9u C\u00f4ng nghi\u1ec7p r\u1eebng<\/i>
\n<\/i>2<\/sup><\/i>Trung t\u00e2m Nghi\u00ean c\u1ee9u B\u1ea3o v\u1ec7 r\u1eebng<\/i>
\n<\/i>3<\/sup><\/i>Vi\u1ec7n C\u01a1 \u0111i\u1ec7n N\u00f4ng nghi\u1ec7p & CNSTH<\/i><\/p>\n

 <\/p>\n\n\n\n\n
T\u00d3M T\u1eaeT<\/p>\n

Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t b\u1ea7u \u01b0\u01a1m c\u00e2y gi\u1ed1ng l\u00e2m nghi\u1ec7p quy m\u00f4 b\u00e1n c\u00f4ng nghi\u1ec7p v\u1edbi v\u1ecf b\u1ea7u m\u1ec1m t\u1ef1 h\u1ee7y v\u00e0 compost t\u1eeb s\u1ea3n ph\u1ea9m ph\u1ee5 r\u1eebng tr\u1ed3ng v\u1edbi m\u1ee5c ti\u00eau t\u1ea1o c\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft b\u1ecb cho kh\u00e2u s\u1ea3n xu\u1ea5t c\u00e2y gi\u1ed1ng ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t l\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u1ec3 t\u0103ng n\u0103ng su\u1ea5t lao \u0111\u1ed9ng, gi\u1ea3m gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 t\u1ea1o m\u1edbi ch\u1ebf ph\u1ea9m sinh h\u1ecdc v\u00e0 quy tr\u00ecnh \u1ee7 ph\u00e2n compost t\u1eeb c\u00e0nh l\u00e1 v\u1ecf c\u00e2y keo quy m\u00f4 trang tr\u1ea1i, h\u1ed9 gia \u0111\u00ecnh; c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u1ecf b\u1ea7u \u01b0\u01a1m t\u1ef1 h\u1ee7y sinh h\u1ecdc t\u1eeb polyme th\u00edch h\u1ee3p cho \u01b0\u01a1m c\u00e2y gi\u1ed1ng l\u00e2m nghi\u1ec7p m\u1ecdc nhanh, \u0111\u1ea3m b\u1ea3o thay th\u1ebf \u0111\u01b0\u1ee3c v\u1ecf b\u1ea7u polyme th\u00f4ng th\u01b0\u1eddng r\u1ea5t kh\u00f3 ph\u00e2n h\u1ee7y hi\u1ec7n \u0111ang \u00e1p d\u1ee5ng trong s\u1ea3n xu\u1ea5t; thi\u1ebft k\u1ebf v\u00e0 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb ch\u1ee7 l\u1ef1c, g\u1ed3m: m\u00e1y b\u0103m nghi\u1ec1n c\u00e0nh l\u00e1 v\u1ecf c\u00e2y r\u1eebng tr\u1ed3ng, m\u00e1y nghi\u1ec1n, m\u00e1y s\u00e0ng compost v\u00e0 \u0111\u1ea5t, m\u00e1y tr\u1ed9n h\u1ed7n h\u1ee3p ru\u1ed9t b\u1ea7u \u01b0\u01a1m v\u00e0 m\u00e1y \u0111\u00f3ng b\u1ea7u s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c c\u1ea3 v\u1ecf b\u1ea7u m\u1ec1m polyme th\u00f4ng th\u01b0\u1eddng v\u00e0 polyme t\u1ef1 h\u1ee7y, c\u01a1 gi\u1edbi h\u00f3a kh\u00e2u s\u1ea3n xu\u1ea5t gi\u00e1 th\u1ec3 v\u00e0 b\u1ea7u \u01b0\u01a1m c\u00e2y cho v\u01b0\u1eddn \u01b0\u01a1m 1,0 tri\u1ec7u c\u00e2y gi\u1ed1ng (Keo, b\u1ea1ch \u0111\u00e0n) \/n\u0103m. Nh\u1eefng c\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft b\u1ecb n\u00e0y \u0111\u00e3 g\u00f3p ph\u1ea7n c\u01a1 gi\u1edbi h\u00f3a \u0111\u1ed3ng b\u1ed9 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng c\u00e2y gi\u1ed1ng v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i.<\/p>\n

T\u1eeb kh\u00f3a:<\/i><\/b> <\/b>V\u1ecf b\u1ea7u polyme t\u1ef1 h\u1ee7y, compost t\u1eeb s\u1ea3n ph\u1ea9m ph\u1ee5 r\u1eebng tr\u1ed3ng, m\u00e1y b\u0103m nghi\u1ec1n c\u00e1nh l\u00e1 c\u00e2y r\u1eebng, m\u00e1y \u0111\u00f3ng b\u1ea7u<\/td>\n<\/tr>\n

Results on research of semi-industrial forest seedlings with soft, self-destructing polymers and compost from forestry by-products<\/strong>The Research on production technology forestry seedlings<\/i> with soft, self-destructing polymers <\/i>and compost from plantation by-products<\/i> aims at creating technologies and equypment for the production of seedlings in order to increase productivity, reduce production costs, and protect the environment.<\/p>\n

Results of the research have created new bio-preparations<\/i> and composting process<\/i> from acacia bark at farming scale; The technology of producing biodegradable seedlings from suitable polymers for the rapid growth of forest seedlings, ensuring the replacement of conventional hard-shell polymers being currently used in production that are difficult to decompose; Design and manufacture of a number of key equypment, including: shredding choppers, barking crusts, crushers, composting and soil compactors, mixers, gutters and potting mixers using both soft polymers and self-destructing polymers; mechanization of substrate production and nursery seedlings for nurseries of 1.0 million seedlings (acacia, eucalyptus) per year. These technologies and equypment have contributed to the synchronization of the production processes, resulting in better quality of seedlings and ecological environment protection.<\/p>\n

Keywords: <\/i><\/b>Soft, self-destructing polymers; compost from forestry by-products<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

 <\/p>\n

\"Bia<\/a><\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

  T\u1ea0P CH\u00cd KHOA H\u1eccC L\u00c2M NGHI\u1ec6P S\u1ed0\u00a0\u0110\u1eb6C BI\u1ec6T – 2017   \u00a0   1 Th\u1ef1c tr\u1ea1ng v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng nghi\u00ean c\u1ee9u khoa h\u1ecdc l\u00e2m nghi\u1ec7p t\u1ea1i c\u00e1c t\u1ec9nh ph\u00eda Nam Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc Ki\u1ec1u Tu\u1ea5n \u0110\u1ea1t Ho\u00e0ng V\u0103n Th\u1eafng Ph\u1ea1m Th\u1ebf D\u0169ng Status and research orientation of forestry in the Southern provinces 5 […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26,24],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts\/1580"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/comments?post=1580"}],"version-history":[{"count":6,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts\/1580\/revisions"}],"predecessor-version":[{"id":1694,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts\/1580\/revisions\/1694"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/media?parent=1580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/categories?post=1580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/tags?post=1580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}