{"id":18860,"date":"2019-06-25T10:40:10","date_gmt":"2019-06-25T03:40:10","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=18860"},"modified":"2019-07-23T19:47:14","modified_gmt":"2019-07-23T12:47:14","slug":"thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-tran-hong-son","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-tran-hong-son\/","title":{"rendered":"Th\u00f4ng tin Lu\u1eadn \u00e1n Ti\u1ebfn s\u0129 c\u1ee7a Nghi\u00ean c\u1ee9u sinh Tr\u1ea7n H\u1ed3ng S\u01a1n"},"content":{"rendered":"

T\u00ean \u0111\u1ec1 t\u00e0i lu\u1eadn \u00e1n: \u0110i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc v\u00e0 t\u0103ng tr\u01b0\u1edfng l\u00e0m c\u01a1 s\u1edf ph\u00e1t tri\u1ec3n lo\u00e0i Gi\u1ed5i nhung (Parachichelia braianensis<\/em> Dandy) theo h\u01b0\u1edbng kinh doanh g\u1ed7 l\u1edbn \u1edf Kon H\u00e0 N\u1eebng, T\u00e2y Nguy\u00ean<\/strong><\/p>\n

Chuy\u00ean ng\u00e0nh: \u0110i\u1ec1u tra v\u00e0 Quy ho\u1ea1ch r\u1eebng\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M\u00e3 s\u1ed1: 9620208<\/p>\n

H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh: Tr\u1ea7n H\u1ed3ng S\u01a1n<\/p>\n

H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 h\u01b0\u1edbng d\u1eabn: 1. GS. TSKH Nguy\u1ec5n Ng\u1ecdc Lung\u00a0\u00a0 2. TS. Phan Minh S\u00e1ng<\/p>\n

T\u00d3M T\u1eaeT NH\u1eeeNG K\u1ebeT LU\u1eacN M\u1edaI C\u1ee6A LU\u1eacN \u00c1N:<\/strong><\/p>\n

– \u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i, v\u1eadt h\u1eadu lo\u00e0i Gi\u1ed5i nhung: <\/strong>Gi\u1ed5i nhung l\u00e0 c\u00e2y g\u1ed7 l\u1edbn, th\u00e2n tr\u00f2n th\u1eb3ng, D1.3<\/sub> = 27,6 – 65,1cm, Hvn = 17,6 – 29,4m. G\u1ed1c c\u00f3 b\u1ea1nh v\u00e8, ph\u00e2n c\u00e0nh t\u1ef1 nhi\u00ean cao, c\u00e0nh v\u00e0 l\u00e1 non c\u00f3 l\u00f4ng m\u00e0u hung. Th\u1eddi k\u1ef3 ra l\u00e1 non t\u1eeb th\u00e1ng 12 n\u0103m tr\u01b0\u1edbc \u0111\u1ebfn th\u00e1ng 1 n\u0103m sau, v\u00e0 th\u1eddi k\u1ef3 ra ch\u1ed3i t\u1eeb th\u00e1ng 2 – 3. Th\u1eddi k\u1ef3 ra n\u1ee5 t\u1eeb th\u00e1ng 3 – 5, ra hoa t\u1eeb th\u00e1ng 4 – 5. Th\u1eddi k\u1ef3 k\u1ebft qu\u1ea3 t\u1eeb th\u00e1ng 5 – 6 v\u00e0 m\u00f9a qu\u1ea3 ch\u00edn t\u1eeb th\u00e1ng 9 – 10. Gi\u1ed5i nhung c\u00f3 chu k\u1ef3 sai qu\u1ea3 h\u00e0ng n\u0103m.<\/p>\n

– \u0110\u1eb7c \u0111i\u1ec3m ph\u00e2n b\u1ed1 v\u00e0 sinh th\u00e1i lo\u00e0i Gi\u1ed5i nhung: <\/strong>Gi\u1ed5i nhung l\u00e0 c\u00e2y \u0111\u1eb7c h\u1eefu c\u1ee7a Vi\u1ec7t Nam, m\u1edbi ch\u1ec9 g\u1eb7p \u1edf 3 \u0111i\u1ec3m Kon H\u00e0 N\u1eebng (Gia Lai), \u0110\u1ea1o Ngh\u0129a (\u0110\u0103k N\u00f4ng) v\u00e0 Braian (L\u00e2m \u0110\u1ed3ng) v\u00e0 m\u1edbi \u0111\u00e2y, \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u1edf VQG P\u00f9 M\u00e1t (Ngh\u1ec7 An). Gi\u1ed5i nhung sinh tr\u01b0\u1edfng t\u1ed1t tr\u00ean nhi\u1ec1u lo\u1ea1i \u0111\u1ea5t c\u00f3 \u0111\u00e1 m\u1eb9 kh\u00e1c nhau; \u01b0a \u0111\u1ea5t t\u1ed1t, tho\u00e1t n\u01b0\u1edbc, gi\u00e0u dinh d\u01b0\u1ee1ng, \u0111\u1ed9 s\u00e2u t\u1ea7ng \u0111\u1ea5t > 80 cm.<\/p>\n

– \u0110\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac v\u00e0 t\u00e1i sinh t\u1ef1 nhi\u00ean c\u00f3 lo\u00e0i Gi\u1ed5i nhung ph\u00e2n b\u1ed1: <\/strong>M\u1eadt \u0111\u1ed9 t\u1ea7ng c\u00e2y cao dao \u0111\u1ed9ng t\u1eeb 548 – 1.127 c\u00e2y\/ha, trong \u0111\u00f3, m\u1eadt \u0111\u1ed9 Gi\u1ed5i nhung kh\u00e1 th\u1ea5p (4 – 63 c\u00e2y\/ha, chi\u1ebfm t\u1eeb 0,6 – 8,3%). C\u1ea5u tr\u00fac N\/D c\u00f3 d\u1ea1ng ph\u00e2n b\u1ed1 kho\u1ea3ng c\u00e1ch. T\u1ed5 th\u00e0nh r\u1eebng trong c\u00e1c l\u00e2m ph\u1ea7n \u0111i\u1ec1u tra kh\u00e1 phong ph\u00fa, c\u00f3 t\u1eeb 26 – 100 lo\u00e0i\/ha, s\u1ed1 lo\u00e0i tham gia ch\u00ednh ch\u1ec9 t\u1eeb 4 – 7 lo\u00e0i\/ha. Gi\u1ed5i nhung xu\u1ea5t hi\u1ec7n ch\u00ednh trong t\u1ed5 th\u00e0nh r\u1eebng \u1edf 11\/19 OTC thu\u1ed9c c\u00e1c \u0111i\u1ec3m Kon H\u00e0 N\u1eebng, Kon Ch\u01b0 R\u0103ng (IV% t\u1eeb 5,20 – 11,82%), khu v\u1ef1c Kr\u00f4ng Pa kh\u00f4ng c\u00f3 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a Gi\u1ed5i nhung trong t\u1ed5 th\u00e0nh r\u1eebng c\u1ee7a l\u00e2m ph\u1ea7n. M\u1eadt \u0111\u1ed9 c\u00e2y t\u00e1i sinh dao \u0111\u1ed9ng t\u1eeb 7.680 – 71.250 c\u00e2y\/ha, trong \u0111\u00f3, Gi\u1ed5i nhung c\u00f3 t\u1eeb 0 – 833 c\u00e2y\/ha.<\/p>\n

– Sinh tr\u01b0\u1edfng v\u00e0 t\u0103ng tr\u01b0\u1edfng lo\u00e0i Gi\u1ed5i nhung: <\/strong>S\u1ed1 c\u00e1 th\u1ec3 tham gia v\u00e0o t\u1ea7ng c\u00e2y g\u1ed7 dao \u0111\u1ed9ng t\u1eeb 459 – 689 c\u00e2y\/ha, trong \u0111\u00f3, lo\u00e0i Gi\u1ed5i nhung c\u00f3 t\u1eeb 8-36 c\u00e1 th\u1ec3\/ha. Ti\u1ebft di\u1ec7n ngang b\u00ecnh qu\u00e2n l\u00e2m ph\u1ea7n \u0111\u1ea1t t\u1eeb 34,32 – 51,93 m2<\/sup>, trong \u0111\u00f3, Gi\u1ed5i nhung \u0111\u1ea1t t\u1eeb 1,19-14,72m2<\/sup>. Tr\u1eef l\u01b0\u1ee3ng b\u00ecnh qu\u00e2n l\u00e2m ph\u1ea7n \u0111\u1ea1t t\u1eeb 451,9 – 812,2m3<\/sup>\/ha. D\u1ef1 b\u00e1o sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh (D1.3<\/sub>) c\u1ee7a c\u00e2y Gi\u1ed5i nhung th\u00f4ng qua h\u00e0m sinh tr\u01b0\u1edfng Johnson – Schumacher, v\u1edbi ph\u01b0\u01a1ng tr\u00ecnh: D1.3<\/sub> = 28,465*exp (-30,182\/(A(1-30)<\/sub> + 6,910)).<\/p>\n

– Th\u1ef1c tr\u1ea1ng ph\u00e1t tri\u1ec3n c\u00e1c m\u00f4 h\u00ecnh tr\u1ed3ng r\u1eebng Gi\u1ed5i nhung \u0111\u00e3 c\u00f3: <\/strong>C\u00e1c m\u00f4 h\u00ecnh r\u1eebng tr\u1ed3ng Gi\u1ed5i nhung \u0111\u00e3 \u0111\u01b0\u1ee3c quan t\u00e2m nghi\u00ean c\u1ee9u v\u00e0 th\u1eed nghi\u1ec7m t\u1eeb n\u0103m 1986 \u0111\u1ebfn nay, ch\u1ee7 y\u1ebfu qua 3 giai \u0111o\u1ea1n: (i) Giai \u0111o\u1ea1n 1986 – 1988 tr\u1ed3ng l\u00e0m gi\u00e0u r\u1eebng theo ph\u01b0\u01a1ng th\u1ee9c h\u1ed7n lo\u00e0i (Gi\u1ed5i xanh v\u00e0 Gi\u1ed5i nhung, t\u1ef7 l\u1ec7 1:1); (ii) Giai \u0111o\u1ea1n 1992 – 1994, tr\u1ed3ng l\u00e0m gi\u00e0u r\u1eebng; v\u00e0 (iii) Giai \u0111o\u1ea1n 2000 – 2001, tr\u1ed3ng r\u1eebng Gi\u1ed5i nhung cung c\u1ea5p g\u1ed7 l\u1edbn. T\u0103ng tr\u01b0\u1edfng b\u00ecnh qu\u00e2n v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 0,53 – 1,12cm\/n\u0103m; v\u1ec1 chi\u1ec1u cao c\u00e2y t\u1eeb 0,61 – 1,00m\/n\u0103m, v\u00e0 \u0111\u01b0\u1eddng k\u00ednh t\u00e1n t\u1eeb 0,11 – 0,25m\/n\u0103m.<\/p>\n

– \u0110\u1ec1 xu\u1ea5t m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p ph\u00e1t tri\u1ec3n lo\u00e0i Gi\u1ed5i nhung theo h\u01b0\u1edbng kinh doanh g\u1ed7 l\u1edbn: <\/strong>(i) Tr\u1ed3ng \u1edf nh\u1eefng khu v\u1ef1c c\u00f2n t\u00ednh ch\u1ea5t \u0111\u1ea5t r\u1eebng, \u0111\u1ea5t c\u00f2n t\u1ed1t, t\u1ea7ng \u0111\u1ea5t d\u00e0y; (ii) C\u00e2y con \u0111em tr\u1ed3ng (Dgoc=1,0-1,3cm, Hvn=1,2-1,5m); (iii) Tr\u1ed3ng l\u00e0m gi\u00e0u r\u1eebng th\u1ee9 sinh ngh\u00e8o ki\u1ec7t v\u1edbi b\u0103ng ch\u1eb7t t\u1eeb 1\/3 – 1\/2 chi\u1ec1u cao t\u00e1n r\u1eebng v\u00e0 tr\u1ed3ng tr\u00ean tr\u1ea3ng c\u00e2y b\u1ee5i cao tr\u00ean 3m v\u1edbi b\u0103ng m\u1edf r\u1ed9ng 3m; v\u00e0 (iv) C\u1ea7n \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u00f3n ph\u00e2n v\u00e0 ch\u0103m s\u00f3c trong 5 n\u0103m \u0111\u1ea7u, nh\u01b0: ph\u00e1t lu\u1ed7ng d\u00e2y leo, c\u00e2y b\u1ee5i; cu\u1ed1c, vun x\u1edbi \u0111\u1ea5t quanh g\u1ed1c 1m, m\u1edf t\u00e1n r\u1eebng…<\/p>\n

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Th\u00f4ng tin c\u1ee7a lu\u1eadn \u00e1n \u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i c\u00f4ng khai t\u1ea1i \u0111\u01b0\u1eddng link:\u00a0https:\/\/luanvan.moet.gov.vn\/?page=1.1&view=33400<\/a><\/p>\n

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

T\u00ean \u0111\u1ec1 t\u00e0i lu\u1eadn \u00e1n: \u0110i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc v\u00e0 t\u0103ng tr\u01b0\u1edfng l\u00e0m c\u01a1 s\u1edf ph\u00e1t tri\u1ec3n lo\u00e0i Gi\u1ed5i nhung (Parachichelia braianensis Dandy) theo h\u01b0\u1edbng kinh doanh g\u1ed7 l\u1edbn \u1edf Kon H\u00e0 N\u1eebng, T\u00e2y Nguy\u00ean Chuy\u00ean ng\u00e0nh: \u0110i\u1ec1u tra v\u00e0 Quy ho\u1ea1ch r\u1eebng\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M\u00e3 s\u1ed1: 9620208 H\u1ecd v\u00e0 t\u00ean […]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[42,66],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/18860"}],"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\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=18860"}],"version-history":[{"count":4,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/18860\/revisions"}],"predecessor-version":[{"id":18864,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/18860\/revisions\/18864"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=18860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=18860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=18860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}