![\"Caychiubenh\"](\"http:\/\/vafs.gov.vn\/vn\/wp-content\/uploads\/sites\/2\/2014\/10\/Caychiubenh.jpg\")
<\/a><\/p>\n* S\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c x\u1ee9 l\u00fd b\u1eb1ng ph\u1ea7n m\u1ec1m GENSTAT 5 v\u00e0 Dataplus 3.0 \u0111\u1ed1i v\u1edbi c\u00e1c kh\u1ea3o nghi\u1ec7m gi\u1ed1ng (ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai, \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng); c\u00e1c kh\u1ea3o nghi\u1ec7m di\u1ec7n r\u1ed9ng s\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u00e0 x\u1eed l\u00fd b\u1eb1ng Excel 7.0.<\/p>\n
3. K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U<\/b><\/p>\n
3.1. <\/b>K\u00ea\u0301<\/b>t <\/b>qua\u0309 <\/b>\u0111i<\/b>\u00ea\u0300<\/b>u tra <\/b>b\u00ea\u0323<\/b>nh h\u1ea1i B\u1ea1ch \u0111\u00e0n v\u00e0 Keo <\/b><\/p>\n
3.1.1. <\/b>B\u00ea\u0323<\/b>nh <\/b>ha\u0323<\/b>i <\/b>ba\u0323<\/b>ch <\/b>\u0111a\u0300<\/b>n <\/b><\/p>\n
a. <\/i><\/b>Ta\u0323<\/i><\/b>i Khu v<\/i><\/b>\u01b0\u0323c \u0110\u00f4ng B\u0103\u0301c B\u00f4\u0323 va\u0300 trung t\u00e2m <\/i><\/b><\/i><\/p>\n
Xa\u0301c \u0111i\u0323nh \u0111\u01b0\u01a1\u0323c 22 loa\u0300i n\u00e2\u0301m g\u00e2y b\u00ea\u0323nh, trong \u0111\u00f3:<\/p>\n
- \n
- \u00a0N\u0103m 2006-2010: 3 lo\u00e0i n\u1ea5m g\u00e2y b\u1ec7nh m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u00e0: Kiramyces eucalypti, Quambalaria simpsonii <\/i>v\u00e0 Cylindrocladium scoparium<\/i>).<\/li>\n
- \u00a0Nh\u1eefng lo\u00e0i n\u1ea5m n\u00e0y \u0111\u1ec1u l\u00e0 n\u1ea5m g\u00e2y b\u1ec7nh ch\u00e1y l\u00e1 v\u1edbi ch\u1ec9 s\u1ed1 b\u1ec7nh tr\u00ean 2,0 \u1edf khu r\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t c\u00e1c lo\u00e0i b\u1ea1ch \u0111\u00e0n tr\u1eafng v\u00e0 n\u00e2u.<\/li>\n<\/ul>\n
b. Ta\u0323i Khu v\u01b0\u0323c Mi\u00ea\u0300n trung v\u00e0 \u0110\u00f4ng Nam b\u1ed9 <\/i><\/b><\/i><\/p>\n
X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 18 loa\u0300i n\u1ea5m g\u00e2y b\u1ec7nh, trong \u0111o\u0301 3 lo\u00e0i n\u00e2\u0301m g\u00e2y b\u00ea\u0323nh nguy hi\u1ec3m cho b\u1ea1ch \u0111\u00e0n:<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0 –\u00a0\u00a0 \u00a0\u00a0Cryptosporiopsis eucalypti <\/i>(g\u00e2y b\u1ec7nh \u0111\u1ed1m l\u00e1)<\/p>\n
- \n
- \u00a0Cylindrocladium reteaudii <\/i>(g\u00e2y b\u1ec7nh ch\u00e1y l\u00e1) <\/i><\/li>\n
- \u00a0Cylindrocladium scoparium<\/i> (g\u00e2y b\u1ec7nh ch\u00e1y l\u00e1) <\/i><\/li>\n<\/ul>\n
3.1.2. B\u00ea\u0323nh ha\u0323i keo <\/b><\/p>\n
a. Ta\u0323i khu v\u01b0\u0323c \u0110\u00f4ng B\u0103\u0301c B\u00f4\u0323 va\u0300 Trung t\u00e2m<\/i><\/b> <\/i><\/p>\n
Xa\u0301c \u0111i\u0323nh \u0111\u01b0\u01a1\u0323c 14 loa\u0300i n\u00e2\u0301m g\u00e2y b\u00ea\u0323nh, trong \u0111o\u0301 3 lo\u00e0i n\u1ea5m g\u00e2y b\u1ec7nh nguy hi\u1ec3m cho KTT, Keo lai v\u00e0 KLT<\/p>\n
- \n
- Colletotrichum gloeosporioides <\/i>(g\u00e2y b\u1ec7nh h\u1ea1i l\u00e1 kh\u00f4 c\u00e0nh)<\/li>\n
- \u00a0Botryosphaeria\u00a0 dothidae <\/i>(b\u1ec7nh lo\u00e9t th\u00e2n)<\/li>\n
- Ceratocystis acaciivora <\/i>(g\u00e2y b\u1ec7nh kh\u00f4 c\u00e0nh ng\u1ecdn) Ph\u00e1t hi\u1ec7n n\u0103m 2008 t\u1ea1i Ph\u00f9 Ninh, Ph\u00fa th\u1ecd<\/li>\n
- \u00a0Pythium vexans <\/i>(g\u00e2y th\u1ed1i r\u1ec5 Keo tai t\u01b0\u1ee3ng d\u1eabn \u0111\u1ebfn kh\u00f4 ng\u1ecdn) Ph\u00e1t hi\u1ec7n n\u0103m 2010 t\u1ea1i Ph\u00fa Th\u1ecd<\/li>\n<\/ul>\n
b. Ta\u0323i khu v\u01b0\u0323c Mi\u00ea\u0300n trung, T\u00e2y Nguy\u00ean v\u00e0 \u0110\u00f4ng Nam b\u1ed9 <\/i><\/b><\/p>\n
Xa\u0301c \u0111i\u0323nh \u0111\u01b0\u01a1\u0323c 22 loa\u0300i n\u00e2\u0301m g\u00e2y b\u00ea\u0323nh, trong \u0111o\u0301 2 lo\u00e0i n\u1ea5m g\u00e2y b\u1ec7nh nguy hi\u1ec3m cho Keo tai t\u01b0\u1ee3ng, Keo lai v\u00e0 Keo l\u00e1 tr\u00e0m<\/p>\n
- \n
- \u00a0<\/i>Corticium salmonicolor<\/i>\u00a0 (g\u00e2y b\u1ec7nh ph\u1ea5n h\u1ed3ng)<\/li>\n
- \u00a0Botryosphaeria\u00a0 dothidae<\/i>(b\u1ec7nh lo\u00e9t th\u00e2n)<\/li>\n<\/ul>\n
3.2. <\/b>K\u00ea\u0301<\/b>t <\/b>qua\u0309 tuy\u00ea\u0309<\/b>n <\/b>cho\u0323<\/b>n c\u00e2y <\/b>tr\u00f4\u0323<\/b>i, nh\u00e2n gi\u1ed1ng <\/b>va\u0300 nh\u00e2\u0323<\/b>p <\/b>n\u00f4\u0323<\/b>i <\/b>ha\u0323<\/b>t <\/b>gi\u00f4\u0301<\/b>ng<\/b><\/p>\n
K\u1ebft qu\u1ea3 tuy\u1ec3n ch\u1ecdn c\u00e2y tr\u1ed9i v\u00e0 nh\u00e2n gi\u1ed1ng c\u00e1c d\u00f2ng b\u1ea1ch \u0111\u00e0n v\u00e0 keo \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n \u1edf b\u1ea3ng 1<\/p>\n
B\u1ea3ng 1: K\u1ebft qu\u1ea3 tuy\u1ec3n ch\u1ecdn c\u00e2y tr\u1ed9i v\u00e0 nh\u00e2n gi\u1ed1ng<\/b><\/p>\n
\n\n\n
\n \n TT<\/b><\/p>\n<\/td>\n
\n Loa\u0300<\/b>i c\u00e2y<\/b><\/p>\n<\/td>\n
\n S\u00f4\u0301 c\u00e2y tr\u00f4\u0323i cho\u0323n \u0111\u01b0\u01a1\u0323c <\/b>(c\u00e2y)<\/p>\n<\/td>\n
\n S\u00f4\u0301 do\u0300ng \u0111a\u0303 nh\u00e2n gi\u1ed1ng<\/b><\/p>\n
(d\u00f2ng)<\/p>\n<\/td>\n
\n S\u00f4\u0301 gia \u0111i\u0300nh ha\u0323t gi\u00f4\u0301ng nh\u00e2\u0323p n\u00f4\u0323i<\/b><\/p>\n
(gia \u0111\u00ecnh)<\/p>\n<\/td>\n<\/tr>\n
\n \n 1<\/p>\n<\/td>\n
Ba\u0323ch \u0111a\u0300n<\/td>\n \n 30<\/p>\n<\/td>\n
\n 22<\/p>\n<\/td>\n
<\/td>\n<\/tr>\n \n \n 2<\/p>\n<\/td>\n
Keo tai t\u01b0\u01a1\u0323ng<\/td>\n \n 42<\/p>\n<\/td>\n
\n 28<\/p>\n<\/td>\n
<\/td>\n<\/tr>\n \n \n 3<\/p>\n<\/td>\n
Keo lai<\/td>\n \n 48<\/p>\n<\/td>\n
\n 37<\/p>\n<\/td>\n
<\/td>\n<\/tr>\n \n \n 4<\/p>\n<\/td>\n
Keo la\u0301 tra\u0300m<\/td>\n <\/td>\n <\/td>\n \n 56<\/p>\n<\/td>\n<\/tr>\n
\n <\/td>\n \n T\u00f4\u0309<\/b>ng<\/b> c\u00f4\u0323<\/b>ng <\/b><\/p>\n<\/td>\n
\n 120 <\/b><\/p>\n<\/td>\n
\n 87 <\/b><\/p>\n<\/td>\n
\n 56 <\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u00a0<\/b><\/p>\n
3.3. <\/b>K\u00ea\u0301<\/b>t <\/b>qua\u0309 <\/b>x\u00e2y d<\/b>\u01b0\u0323ng kha\u0309o nghi\u00ea\u0323m <\/b><\/p>\n
\u0110\u00ea\u0300 ta\u0300i \u0111a\u0303 x\u00e2y d\u01b0\u0323ng \u0111\u01b0\u01a1\u0323c 26 ha kh\u1ea3o nghi\u1ec7m c\u00e1c d\u00f2ng\/gia \u0111\u00ecnh keo v\u00e0 b\u1ea1ch \u0111\u00e0n tr\u00ean ca\u0301c vu\u0300ng sinh tha\u0301i, trong \u0111o\u0301:<\/p>\n
– Keo lai: 6,75 ha<\/p>\n
– Keo tai t\u01b0\u01a1\u0323ng: 5,45 ha<\/p>\n
– Keo la\u0301 tra\u0300m: 11,8 ha<\/p>\n
– Ba\u0323ch \u0111a\u0300n: 2 ha<\/p>\n
N\u0103m 2009 \u0111\u00ea\u0300 ta\u0300i \u0111a\u0303 x\u00e2y d\u01b0\u0323ng \u0111\u01b0\u01a1\u0323c 0,5 ha V\u01b0\u01a1\u0300<\/i>n <\/i>\u0111\u00e2\u0300<\/i>u <\/i>do\u0300<\/i>ng<\/i> g\u00f4\u0300m 21 do\u0300ng Keo lai va\u0300 24 do\u0300ng Keo tai t\u01b0\u01a1\u0323ng ta\u0323i \u0110a\u0323i La\u0309i, Vi\u0303nh Phu\u0301c.<\/p>\n
Sinh tr\u01b0\u1edfng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu b\u1ec7nh c\u1ee7a m\u1ed9t s\u1ed1 d\u00f2ng\/gia \u0111\u00ecnh m\u1edbi kh\u1ea3o nghi\u1ec7m b\u01b0\u1edbc \u0111\u1ea7u \u0111\u01b0\u1ee3c ghi nh\u1eadn c\u00f3 tri\u1ec3n v\u1ecdng c\u00f4ng nh\u1eadn gi\u1ed1ng c\u1ee5 th\u1ec3 l\u00e0:<\/p>\n
Kh\u1ea3o nghi\u1ec7m 20 d\u00f2ng Keo tai t\u01b0\u1ee3ng t\u1ea1i B\u1ea7u B\u00e0ng, B\u00ecnh D\u01b0\u01a1ng n\u0103m 2007 m\u1ed9t s\u1ed1 d\u00f2ng nh\u01b0 BT22\/4, SM4, M8 \u0111\u1ec1u c\u00f3 ch\u1ec9 s\u1ed1 b\u1ec7nh b\u1eb1ng 0 v\u00e0 n\u0103ng su\u1ea5t l\u1ea7n l\u01b0\u1ee3t l\u00e0: 18,0 m3<\/sup>\/ha\/n\u0103m; 14,0 m3<\/sup>\/ha\/n\u0103m v\u00e0 12 m3<\/sup>\/ha\/n\u0103m.<\/p>\n
Kh\u1ea3o nghi\u1ec7m 68 gia \u0111\u00ecnh Keo l\u00e1 tr\u00e0m t\u1ea1i B\u1ea7u B\u00e0ng, B\u00ecnh D\u01b0\u01a1ng n\u0103m 2008. Sau 2 n\u0103m tu\u1ed5i sinh tr\u01b0\u1edfng b\u00ecnh qu\u00e2n c\u1ee7a m\u1ed9t s\u1ed1 gia \u0111\u00ecnh \u0111\u1ea1t tr\u00ean 14 m3<\/sup>\/ha\/n\u0103m nh\u01b0 gia \u0111\u00ecnh 58 (14,9 m3<\/sup>\/ha\/n\u0103m), gia \u0111inh 59 (14,2 m3<\/sup>\/ha\/n\u0103m) v\u00e0 gia \u0111\u00ecnh 33 (14,2 m3<\/sup>\/ha\/n\u0103m). C\u00e1c gia \u0111\u00ecnh n\u00e0y \u0111\u1ebfn nay v\u1eabn ch\u01b0a c\u00f3 bi\u1ec3u hi\u1ec7n g\u00ec v\u1ec1 b\u1ec7nh h\u1ea1i.<\/p>\n
Kh\u1ea3o nghi\u1ec7m 28 d\u00f2ng keo lai t\u1ea1i B\u1ea7u B\u00e0ng, B\u00ecnh D\u01b0\u01a1ng n\u0103m 2007. M\u1ed9t s\u1ed1 d\u00f2ng nh\u01b0 0806SM, BT4, 0106SM v\u00e0 0106TB \u0111\u1ec1u c\u00f3 ch\u1ec9 s\u1ed1 b\u1ec7nh b\u1eb1ng 0 v\u00e0 sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c d\u00f2ng n\u00e0y sau 3 n\u0103m tu\u1ed5i l\u1ea7n l\u01b0\u1ee3t l\u00e0: 25,9 m3<\/sup>\/ha\/n\u0103m; 24,8 m3<\/sup>\/ha\/n\u0103m; 24,6 m3<\/sup>\/ha\/n\u0103m v\u00e0 23,1 m3<\/sup>\/ha\/n\u0103m).<\/p>\n
3.4. K\u00ea\u0301t qua\u0309 c\u00f4ng nh\u00e2\u0323n gi\u00f4\u0301ng<\/b><\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/b>Trong 5 n\u0103m th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i \u0111\u00e3 t\u1ed5 ch\u1ee9c \u0111\u01b0\u1ee3c hai H\u1ed9i ngh\u1ecb c\u00f4ng nh\u1eadn gi\u1ed1ng v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n N\u00f4ng th\u00f4n c\u00f4ng nh\u1eadn 9 d\u00f2ng b\u1ea1ch \u0111\u00e0n; 3 d\u00f2ng keo lai; 5 d\u00f2ng Keo l\u00e1 tramg v\u00e0 1 d\u00f2ng Keo tai t\u01b0\u1ee3ng l\u00e0 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt. 2 d\u00f2ng Keo l\u00e1 tr\u00e0m \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 gi\u1ed1ng Qu\u1ed1c gia chi ti\u1ebft \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n \u1edf c\u00e1c b\u1ea3ng 2, 3, 4, 5 v\u00e0 6<\/p>\n
B\u1ea3ng 2: C\u00e1c d\u00f2ng b\u1ea1ch \u0111\u00e0n \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt<\/b><\/p>\n
\n\n
\n \n Stt<\/b><\/p>\n<\/td>\n
\n Lo\u00e0i c\u00e2y<\/b><\/p>\n<\/td>\n
\n T\u00ean d\u00f2ng<\/b><\/p>\n<\/td>\n
\n Ch\u1ec9 s\u1ed1 b\u1ec7nh<\/b><\/p>\n<\/td>\n
\n N\u0103ng su\u1ea5t<\/b><\/b><\/p>\n
(m3<\/sup>\/ha\/n\u0103m)<\/p>\n<\/td>\n
\n V\u0103n b\u1ea3n c\u00f4ng nh\u1eadn<\/b><\/p>\n<\/td>\n<\/tr>\n
\n \n 1<\/p>\n<\/td>\n
\n B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n
\n SM7<\/p>\n<\/td>\n
\n 0,03<\/p>\n<\/td>\n
\n 36,6<\/p>\n<\/td>\n
\n Q\u0110 S\u1ed1\u00a0 3905\/Q\u0110 BNN\/KHCN ng\u00e0y 11 th\u00e1ng 12 n\u0103m 2007<\/p>\n<\/td>\n<\/tr>\n
\n \n 2<\/p>\n<\/td>\n
\n B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n
\n EF24<\/p>\n<\/td>\n
\n 0,1<\/p>\n<\/td>\n
\n 34,5<\/p>\n<\/td>\n<\/tr>\n
\n \n 3<\/p>\n<\/td>\n
\n B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n
\n EF39<\/p>\n<\/td>\n
\n 0,2<\/p>\n<\/td>\n
\n 32,2<\/p>\n<\/td>\n<\/tr>\n
\n \n 4<\/p>\n<\/td>\n
\n B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n
\n EF55<\/p>\n<\/td>\n
\n 0,3<\/p>\n<\/td>\n
\n 27,6<\/p>\n<\/td>\n<\/tr>\n
\n \n 5<\/p>\n<\/td>\n
\n B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n
\n SM51<\/p>\n<\/td>\n
\n 0,31<\/p>\n<\/td>\n
\n 25,6<\/p>\n<\/td>\n
\n Q\u0110 S\u1ed1 3377\/Q\u0110 BNN\/TCLN ng\u00e0y 16 th\u00e1ng 12 n\u0103m 2010<\/p>\n
\n<\/td>\n<\/tr>\n
\n \n 6<\/p>\n<\/td>\n
\n B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n
\n SM52<\/p>\n<\/td>\n
\n 0,08<\/p>\n<\/td>\n
\n 20,1<\/p>\n<\/td>\n<\/tr>\n
\n \n 7<\/p>\n<\/td>\n
\n B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n
\n B28<\/p>\n<\/td>\n
\n 0,29<\/p>\n<\/td>\n
\n 26,5<\/p>\n<\/td>\n<\/tr>\n
\n \n 8<\/p>\n<\/td>\n
\n B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n
\n B32<\/p>\n<\/td>\n
\n 0,21<\/p>\n<\/td>\n
\n 37,8<\/p>\n<\/td>\n<\/tr>\n
\n \n 9<\/p>\n<\/td>\n
\n B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n
\n B34<\/p>\n<\/td>\n
\n 0,00<\/p>\n<\/td>\n
\n 39,6<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
B\u1ea3ng 3: C\u00e1c d\u00f2ng keo lai \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt<\/b><\/p>\n
\n\n
\n \n Stt<\/b><\/p>\n<\/td>\n
\n Lo\u00e0i c\u00e2y<\/b><\/p>\n<\/td>\n
\n T\u00ean d\u00f2ng<\/b><\/p>\n<\/td>\n
\n Ch\u1ec9 s\u1ed1 b\u1ec7nh<\/b><\/p>\n<\/td>\n
\n N\u0103ng su\u1ea5t<\/b><\/b><\/p>\n
(m3<\/sup>\/ha\/n\u0103m)<\/p>\n<\/td>\n
\n V\u0103n b\u1ea3n c\u00f4ng nh\u1eadn<\/b><\/p>\n<\/td>\n<\/tr>\n
\n \n 1<\/p>\n<\/td>\n
\n Keo lai<\/p>\n<\/td>\n
\n AH1<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 30,0<\/p>\n<\/td>\n
\n Q\u0110 S\u1ed1\u00a0 3905\/Q\u0110 BNN\/KHCN ng\u00e0y 11 th\u00e1ng 12 n\u0103m 2007<\/p>\n<\/td>\n<\/tr>\n
\n \n 2<\/p>\n<\/td>\n
\n Keo lai<\/p>\n<\/td>\n
\n AH7<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 34,9<\/p>\n<\/td>\n<\/tr>\n
\n \n 3<\/p>\n<\/td>\n
\n Keo lai<\/p>\n<\/td>\n
\n AH4<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 33,2<\/p>\n<\/td>\n
\n Q\u0110 S\u1ed1 3377\/Q\u0110 BNN\/TCLN ng\u00e0y 16 th\u00e1ng 12 n\u0103m 2010<\/p>\n<\/td>\n<\/tr>\n
\n \n 4<\/p>\n<\/td>\n
\n Keo lai<\/p>\n<\/td>\n
\n AM2<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 28,0<\/p>\n<\/td>\n
\n \u0110\u1ed3ng t\u00e1c gi\u1ea3<\/p>\n
Q\u0110 S\u1ed1 3954\/Q\u0110 BNN\/KHCN ng\u00e0y 11 th\u00e1ng 12 n\u0103m 2008<\/p>\n<\/td>\n<\/tr>\n
\n \n 5<\/p>\n<\/td>\n
\n Keo lai<\/p>\n<\/td>\n
\n AM3<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 29,0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
B\u1ea3ng 4: C\u00e1c d\u00f2ng Keo l\u00e1 tr\u00e0m \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt<\/b><\/p>\n
\n\n
\n \n Stt<\/b><\/p>\n<\/td>\n
\n Lo\u00e0i c\u00e2y<\/b><\/p>\n<\/td>\n
\n T\u00ean d\u00f2ng<\/b><\/p>\n<\/td>\n
\n Ch\u1ec9 s\u1ed1 b\u1ec7nh<\/b><\/p>\n<\/td>\n
\n N\u0103ng su\u1ea5t<\/b><\/b><\/p>\n
(m3<\/sup>\/ha\/n\u0103m)<\/p>\n<\/td>\n
\n V\u0103n b\u1ea3n c\u00f4ng nh\u1eadn<\/b><\/p>\n<\/td>\n<\/tr>\n
\n \n 1<\/p>\n<\/td>\n
\n Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n
\n AA15<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 33,6<\/p>\n<\/td>\n
\n Q\u0110 S\u1ed1\u00a0 3905\/Q\u0110 BNN\/KHCN ng\u00e0y 11 th\u00e1ng 12 n\u0103m 2007<\/p>\n<\/td>\n<\/tr>\n
\n \n 2<\/p>\n<\/td>\n
\n Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n
\n AA6<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 19,8<\/p>\n<\/td>\n
\n Q\u0110 S\u1ed1 3377\/Q\u0110 BNN\/TCLN ng\u00e0y 16 th\u00e1ng 12 n\u0103m 2010<\/p>\n<\/td>\n<\/tr>\n
\n \n 3<\/p>\n<\/td>\n
\n Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n
\n AA7<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 20,3<\/p>\n<\/td>\n<\/tr>\n
\n \n 4<\/p>\n<\/td>\n
\n Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n
\n AA10<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 21,7<\/p>\n<\/td>\n<\/tr>\n
\n \n 5<\/p>\n<\/td>\n
\n Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n
\n AA12<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 19,7<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
B\u1ea3ng 5: C\u00e1c d\u00f2ng Keo tai t<\/b>\u01b0\u1ee3ng \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt<\/b><\/p>\n
\n\n
\n \n Stt<\/b><\/p>\n<\/td>\n
\n Lo\u00e0i c\u00e2y<\/b><\/p>\n<\/td>\n
\n T\u00ean d\u00f2ng<\/b><\/p>\n<\/td>\n
\n Ch\u1ec9 s\u1ed1 b\u1ec7nh<\/b><\/p>\n<\/td>\n
\n N\u0103ng su\u1ea5t<\/b><\/b><\/p>\n
(m3<\/sup>\/ha\/n\u0103m)<\/p>\n<\/td>\n
\n V\u0103n b\u1ea3n c\u00f4ng nh\u1eadn<\/b><\/p>\n<\/td>\n<\/tr>\n
\n \n 1<\/p>\n<\/td>\n
\n Keo tai t\u01b0\u1ee3ng<\/p>\n<\/td>\n
\n M5<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 36,2<\/p>\n<\/td>\n
\n Q\u0110 S\u1ed1 3377\/Q\u0110 BNN\/TCLN ng\u00e0y 16 th\u00e1ng 12 n\u0103m 2010<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
B\u1ea3ng 6: C\u00e1c d\u00f2ng Keo l\u00e1 tr\u00e0m \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn gi\u1ed1ng Qu\u1ed1c gia<\/b><\/p>\n
\n\n
\n \n Stt<\/b><\/p>\n<\/td>\n
\n Lo\u00e0i c\u00e2y<\/b><\/p>\n<\/td>\n
\n K\u00ed hi\u1ec7u d\u00f2ng<\/b><\/p>\n<\/td>\n
\n Ch\u1ec9 s\u1ed1 b\u1ec7nh<\/b><\/p>\n<\/td>\n
\n N\u0103ng su\u1ea5t<\/b><\/b><\/p>\n
(m3<\/sup>\/ha\/n\u0103m)<\/p>\n<\/td>\n
\n V\u0103n b\u1ea3n c\u00f4ng nh\u1eadn<\/b><\/p>\n<\/td>\n<\/tr>\n
\n \n 1<\/p>\n<\/td>\n
\n Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n
\n AA1<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 19,5-33,6<\/p>\n<\/td>\n
\n Q\u0110 S\u1ed1 3377\/Q\u0110 BNN\/TCLN ng\u00e0y 16 th\u00e1ng 12 n\u0103m 2010<\/p>\n<\/td>\n<\/tr>\n
\n \n 2<\/p>\n<\/td>\n
\n Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n
\n AA9<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 23,3-32,7<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
B\u1ea3ng 7: C\u00e1c d\u00f2ng Keo lai \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn gi\u1ed1ng Qu\u1ed1c gia<\/b><\/p>\n
\n\n
\n \n Stt<\/b><\/p>\n<\/td>\n
\n Lo\u00e0i c\u00e2y<\/b><\/p>\n<\/td>\n
\n K\u00ed hi\u1ec7u d\u00f2ng<\/b><\/p>\n<\/td>\n
\n Ch\u1ec9 s\u1ed1 b\u1ec7nh<\/b><\/p>\n<\/td>\n
\n N\u0103ng su\u1ea5t<\/b><\/b><\/p>\n
(m3<\/sup>\/ha\/n\u0103m)<\/p>\n<\/td>\n
\n V\u0103n b\u1ea3n c\u00f4ng nh\u1eadn<\/b><\/p>\n<\/td>\n<\/tr>\n
\n \n 1<\/p>\n<\/td>\n
\n Keo lai<\/p>\n<\/td>\n
\n MA1<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 18,6-25,0<\/p>\n<\/td>\n
\n \u0110\u1ed3ng t\u00e1c gi\u1ea3<\/p>\n
Q\u0110 S\u1ed1 3954\/Q\u0110 BNN\/KHCN ng\u00e0y 11 th\u00e1ng 12 n\u0103m 2008<\/p>\n<\/td>\n<\/tr>\n
\n \n 2<\/p>\n<\/td>\n
\n Keo lai<\/p>\n<\/td>\n
\n MA(M8)<\/p>\n<\/td>\n
\n 0<\/p>\n<\/td>\n
\n 18,6-28,0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u00a0<\/b><\/p>\n
4. K\u1ebeT LU\u1eacN<\/b><\/p>\n
1. \u0110i\u1ec1u tra x\u00e1c \u0111\u1ecbnh c\u00e1c lo\u1ea1i b\u1ec7nh h\u1ea1i \u0111\u1ed1i v\u1edbi b\u1ea1ch \u0111\u00e0n v\u00e0 keo:<\/p>\n
– \u0110\u1ed1i v\u1edbi b\u1ea1ch \u0111\u00e0n, x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 22 lo\u1ea1i n\u1ea5m b\u1ec7nh, trong \u0111o\u0301 co\u0301 2 loa\u0300i n\u00e2\u0301m Cylindrocladium clavatum<\/i> va\u0300 Cylindrocladium scoparium <\/i>l\u1ea7n \u0111\u1ea7u ti\u00ean ghi nh\u1eadn c\u00f3 ph\u00e2n b\u1ed1 \u1edf Vi\u1ec7t Nam. Ch\u1ecdn gi\u1ed1ng kh\u00e1ng b\u1ec7nh h\u1ea1i l\u00e1 \u0111\u1ed1i v\u1edbi c\u00e1c lo\u00e0i n\u1ea5m sau: Cryptosporiopsis eucalypti<\/i>, Kirramyces destructans<\/i> v\u00e0 Cylindeocladium reteaudii.<\/i><\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0 – <\/i>\u0110\u1ed1i v\u1edbi keo, x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 22 lo\u1ea1i b\u1ec7nh, trong \u0111\u00f3 n\u1ea5m Pythium vexans<\/i>, g\u00e2y b\u1ec7nh th\u1ed1i r\u1ec5, kh\u00f4 c\u00e0nh ng\u1ecdn Keo tai t\u01b0\u1ee3ng l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ghi nh\u1eadn c\u00f3 \u1edf Vi\u1ec7t nam g\u00e2y b\u1ec7nh cho c\u00e2y r\u1eebng. Ch\u1ecdn gi\u1ed1ng kh\u00e1ng b\u1ec7nh \u0111\u1ed1i v\u1edbi keo g\u1ed3m c\u00e1c b\u1ec7nh: h\u1ea1i l\u00e1 do n\u1ea5m Colletotrichum gloeosporioides<\/i>, h\u1ea1i th\u00e2n b\u1ec7nh ph\u1ea5n h\u1ed3ng Corticium salmonicolor<\/i>, b\u1ec7nh h\u1ea1i r\u1ec5 Pythium vexans v\u00e0 b\u1ec7nh r\u1ed7ng ru\u1ed9t \u0111\u1ed1i v\u1edbi n\u1ea5m Ganoderma<\/i> spp.<\/p>\n
2. Tuy\u1ec3n ch\u1ecdn \u0111\u01b0\u1ee3c 30 c\u00e2y tr\u1ed9i ba\u0323ch \u0111a\u0300n va\u0300 nh\u00e2n gi\u00f4\u0301ng \u0111\u01b0\u01a1\u0323c 22 do\u0300ng; 48 c\u00e2y tr\u00f4\u0323i keo lai va\u0300 nh\u00e2n gi\u00f4\u0301ng \u0111\u01b0\u01a1\u0323c 37 do\u0300ng; 42 c\u00e2y tr\u00f4\u0323i Keo tai t\u01b0\u01a1\u0323ng va\u0300 nh\u00e2n gi\u00f4\u0301ng \u0111\u01b0\u01a1\u0323c 28 do\u0300ng va\u0300 nh\u1eadp n\u00f4\u0323i \u0111\u01b0\u01a1\u0323c 56 gia \u0111\u00ecnh Keo l\u00e1 tr\u00e0m t\u1eeb \u00d4xtr\u00e2ylia.<\/p>\n
3. Thi\u00ea\u0301t l\u00e2\u0323p \u0111\u01b0\u1ee3c 26 ha kh\u1ea3o nghi\u1ec7m c\u00e1c d\u00f2ng keo v\u00e0 b\u1ea1ch \u0111\u00e0n tr\u00ean ca\u0301c vu\u0300ng sinh tha\u0301i bao g\u1ed3m: 9 ha \u0111\u00e3 x\u00e2y d\u1ef1ng n\u0103m 2007; 12,5 ha n\u0103m 2008 va\u0300 4,5 ha n\u0103m 2009 t\u1ea1i c\u00e1c t\u1ec9nh Hoa\u0300 Bi\u0300nh, Tuy\u00ean Quang, Th\u01b0\u0300a Thi\u00ean Hu\u00ea\u0301, L\u00e2m \u0110\u1ed3ng, B\u00ecnh D\u01b0\u01a1ng, B\u00ecnh Ph\u01b0\u1edbc, B\u00ecnh \u0110\u1ecbnh v\u00e0 Ph\u00fa Y\u00ean.<\/p>\n
Thi\u00ea\u0301t l\u00e2\u0323p \u0111\u01b0\u01a1\u0323c 0,5 ha v\u01b0\u01a1\u0300n \u0111\u00e2\u0300u do\u0300ng ca\u0301c do\u0300ng keo m\u01a1\u0301i d\u00e2\u0303n ta\u0323i \u0110a\u0323i La\u0309i, Vi\u0303nh Phu\u0301c g\u00f4\u0300m 21 do\u0300ng Keo lai va\u0300 24 dong Keo tai t\u01b0\u01a1\u0323ng.<\/p>\n
4. C\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c 20 d\u00f2ng l\u00e0 gi\u1ed1ng Ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt trong \u0111\u00f3: B\u1ea1ch \u0111\u00e0n 9 d\u00f2ng (SM7, EF24, EF39, EF55; SM51, SM52, B28, B32 v\u00e0 B34); 3 d\u00f2ng keo lai (AH1, AH7 v\u00e0 AH4); 1 d\u00f2ng Keo tai t\u01b0\u1ee3ng (M5) v\u00e0 7 d\u00f2ng Keo l\u00e1 tr\u00e0m (AA1, AA6, AA7, AA9, AA10, AA12 v\u00e0 AA15). Trong \u0111\u00f3 c\u00f3 2 d\u00f2ng Keo l\u00e1 tr\u00e0m \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 gi\u1ed1ng qu\u1ed1c gia AA1 v\u00e0 AA9). <\/b><\/p>\n","protected":false},"excerpt":{"rendered":"
PGS. TS. Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u00a0 1. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0 V\u01a1\u0301i \u0111\u0103\u0323c ti\u0301nh co\u0301 th\u00ea\u0309 s\u00f4\u0301ng, sinh tr\u01b0\u01a1\u0309ng va\u0300 pha\u0301t tri\u00ea\u0309n tr\u00ean \u0111\u00e2\u0301t tr\u00f4\u0301ng \u0111\u00f4\u0300i nu\u0301i tro\u0323c, \u0111\u00e2\u0301t thoa\u0301i hoa\u0301, c\u0103\u0300n c\u00f4\u0303i va\u0300 nghe\u0300o dinh d\u01b0\u01a1\u0303ng\u00a0n\u00ean Keo va\u0300 B\u1ea1ch \u0111\u00e0n l\u00e0 hai trong c\u00e1c nho\u0301m lo\u00e0i \u0111\u01b0\u1ee3c ch\u1ecdn […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13764"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=13764"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13764\/revisions"}],"predecessor-version":[{"id":19185,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13764\/revisions\/19185"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=13764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=13764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=13764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- \u00a0Botryosphaeria\u00a0 dothidae<\/i>(b\u1ec7nh lo\u00e9t th\u00e2n)<\/li>\n<\/ul>\n
- \u00a0Botryosphaeria\u00a0 dothidae <\/i>(b\u1ec7nh lo\u00e9t th\u00e2n)<\/li>\n
- \u00a0Cylindrocladium scoparium<\/i> (g\u00e2y b\u1ec7nh ch\u00e1y l\u00e1) <\/i><\/li>\n<\/ul>\n
- \u00a0Nh\u1eefng lo\u00e0i n\u1ea5m n\u00e0y \u0111\u1ec1u l\u00e0 n\u1ea5m g\u00e2y b\u1ec7nh ch\u00e1y l\u00e1 v\u1edbi ch\u1ec9 s\u1ed1 b\u1ec7nh tr\u00ean 2,0 \u1edf khu r\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t c\u00e1c lo\u00e0i b\u1ea1ch \u0111\u00e0n tr\u1eafng v\u00e0 n\u00e2u.<\/li>\n<\/ul>\n