{"id":18883,"date":"2019-07-19T16:39:34","date_gmt":"2019-07-19T09:39:34","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=18883"},"modified":"2019-07-31T20:58:29","modified_gmt":"2019-07-31T13:58:29","slug":"thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-dinh-cong-trinh","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-dinh-cong-trinh\/","title":{"rendered":"Th\u00f4ng tin Lu\u1eadn \u00e1n Ti\u1ebfn s\u0129 c\u1ee7a Nghi\u00ean c\u1ee9u sinh \u0110inh C\u00f4ng Tr\u00ecnh"},"content":{"rendered":"

T\u00ean \u0111\u1ec1 t\u00e0i lu\u1eadn \u00e1n: Nghi\u00ean c\u01b0\u0301u m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng Ch\u00f2 xanh (<\/em>Terminalia myriocarpa <\/em>Huerch et M.A.) <\/em>vu\u0300ng T\u00e2y B\u0103\u0301c.<\/p>\n

Chuy\u00ean ng\u00e0nh: L\u00e2m sinh\u00a0\u00a0\u00a0\u00a0 M\u00e3 s\u1ed1:\u00a0 9620205<\/p>\n

H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh: \u0110inh C\u00f4ng Tr\u00ecnh<\/p>\n

H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 h\u01b0\u1edbng d\u1eabn 1: PGS. TS Tri\u1ec7u V\u0103n H\u00f9ng; h\u01b0\u1edbng d\u1eabn 2: TS. Ph\u1ea1m \u0110\u1ee9c Chi\u1ebfn<\/p>\n

T\u00ean c\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o: Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/p>\n

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

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  1. V\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc c\u1ee7a Ch\u00f2 xanh<\/strong><\/li>\n<\/ol>\n

    Ch\u00f2 xanh l\u00e0 c\u00e2y g\u1ed7 l\u1edbn, th\u01b0\u1eddng c\u00f3 b\u1ea1nh v\u00e8, v\u1ecf m\u00e0u n\u00e2u x\u00e1m n\u1ee9t d\u1ecdc. L\u00e1 \u0111\u01a1n m\u1ecdc g\u1ea7n \u0111\u1ed1i,\u00a0 phi\u1ebfn l\u00e1 h\u00ecnh tr\u00e1i xoan thu\u00f4n, \u0111\u1ea7u c\u00f3 m\u0169i nh\u1ecdn, \u0111u\u00f4i g\u1ea7n tr\u00f2n ho\u1eb7c h\u00ecnh tim, m\u00e9p l\u00e1 g\u1ee3n s\u00f3ng ho\u1eb7c c\u00f3 r\u0103ng c\u01b0a m\u1edd, \u0111\u1ec9nh cu\u1ed1ng c\u00f3 2 tuy\u1ebfn h\u00ecnh c\u1ed1c. Qu\u1ea3 k\u00edn c\u00f3 hai c\u00e1nh kh\u00f4ng \u0111\u1ec1u x\u1ebfp x\u00edt nhau tr\u00ean cu\u1ed1ng c\u1ee5m qu\u1ea3, \u0111\u01b0\u1eddng k\u00ednh qu\u1ea3 mang c\u00e1nh trung b\u00ecnh 12 mm. Ch\u00f2 xanh ra n\u1ee5 t\u1eeb th\u00e1ng 8 – 9 v\u00e0 th\u1eddi k\u1ef3 qu\u1ea3 ch\u00edn t\u1eeb kho\u1ea3ng 25\/12 \u0111\u1ebfn 20\/1 n\u0103m sau. Ch\u00f2 xanh c\u00f3 bi\u00ean \u0111\u1ed9 sinh th\u00e1i kh\u00e1 r\u1ed9ng, \u1edf c\u00e1c t\u1ec9nh S\u01a1n La, \u0110i\u1ec7n Bi\u00ean v\u00e0 Lai Ch\u00e2u ph\u00e2n b\u1ed1\u00a0 t\u1eeb 242 – 1.545m so v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, tr\u00ean \u0111\u1ecba h\u00ecnh \u0111\u1ea5t d\u1ed1c t\u1eeb 150<\/sup> – 300<\/sup>. Nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n n\u0103m kho\u1ea3ng 20 – 300<\/sup>C, ch\u1ecbu \u0111\u01b0\u1ee3c gi\u00e1 r\u00e9t, s\u01b0\u01a1ng mu\u1ed1i v\u00e0 gi\u00f3 l\u00e0o. L\u01b0\u1ee3ng m\u01b0a h\u00e0ng n\u0103m 1.400 – 2.000 mm, \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed tr\u00ean 70%. Ch\u00f2 xanh th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf tr\u1ea1ng th\u00e1i r\u1eebng th\u1ee9 sinh nhi\u1ec7t \u0111\u1edbi th\u01b0\u1eddng xanh m\u01b0a m\u00f9a tr\u00ean n\u00fai th\u1ea5p c\u00e2y l\u00e1 r\u1ed9ng, n\u01a1i r\u1eebng \u0111\u00e3 b\u1ecb t\u00e1c \u0111\u1ed9ng m\u1ea1nh; th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1c vu\u0300ng tru\u0303ng, y\u00ean ng\u01b0\u0323a, ven su\u1ed1i, su\u1ed1i c\u1ea1n.<\/p>\n

      \n
    1. V\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc c\u1ee7a Ch\u00f2 xanh<\/strong><\/li>\n<\/ol>\n

      T\u1ed5 th\u00e0nh t\u1ea7ng c\u00e2y cao c\u00e1c l\u00e2m ph\u1ea7n r\u1eebng t\u1ef1 nhi\u00ean c\u00f3 Ch\u00f2 xanh ph\u00e2n b\u1ed1 trong khu v\u1ef1c nghi\u00ean c\u1ee9u kh\u00e1 phong ph\u00fa, v\u1edbi 16 \u2013 31 lo\u00e0i \/OTC 2.500m2<\/sup>, trong \u0111\u00f3 c\u00f3 5 \u2013 7 lo\u00e0i tham gia c\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh. M\u1eadt \u0111\u1ed9 Ch\u00f2 xanh trong t\u1ea7ng c\u00e2y cao t\u1eeb 24 – 60 c\u00e2y\/ha \u1edf tr\u1ea1ng th\u00e1i r\u1eebng IIIA1<\/sub> v\u00e0 \u00a036 – 48 c\u00e2y\/ha \u1edf tr\u1ea1ng th\u00e1i r\u1eebng IIA. Ch\u00f2 xanh tham gia v\u00e0o c\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh t\u1ea7ng c\u00e2y cao c\u1ee7a 13\/18 \u00f4 \u0111i\u1ec1u tra v\u1edbi h\u1ec7 s\u1ed1 t\u1ed5 th\u00e0nh t\u1eeb 5,05 \u2013 12,29%.<\/p>\n

      Ph\u00e2n b\u1ed1 N\/D, N\/H c\u1ee7a c\u00e1c l\u00e2m ph\u1ea7n c\u00f3 lo\u00e0i Ch\u00f2 xanh ph\u00e2n b\u1ed1 c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng b\u1eb1ng h\u00e0m Weibull, c\u00f3 d\u1ea1ng l\u1ec7ch tr\u00e1i (b < 3,6). S\u1ed1 c\u00e2y t\u1eadp trung \u1edf c\u00e1c c\u1ee1 \u0111\u01b0\u1eddng k\u00ednh 24 – 34cm v\u00e0 c\u1ee1 chi\u1ec1u cao 12 – 18cm v\u00e0 gi\u1ea3m d\u1ea7n khi c\u1ee1 \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u cao t\u0103ng l\u00ean.<\/p>\n

      M\u1eadt \u0111\u1ed9 c\u00e2y t\u00e1i sinh t\u1ef1 nhi\u00ean trong c\u00e1c l\u00e2m ph\u1ea7n c\u00f3 Ch\u00f2 xanh ph\u00e2n b\u1ed1 t\u1eeb 9.625\u00a0 \u0111\u1ebfn 13.375 c\u00e2y\/ha. C\u00e2y c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb h\u1ea1t chi\u1ebfm t\u1eeb 59,77 \u2013 75,58% v\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c nhau \u0111\u00e1ng k\u1ec3 gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i r\u1eebng. M\u1eadt \u0111\u1ed9 t\u00e1i sinh ri\u00eang lo\u00e0i Ch\u00f2 xanh t\u1eeb 250 – 1.275 c\u00e2y\/ha; trong \u0111\u00f3 c\u00e2y c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb h\u1ea1t chi\u1ebfm tr\u00ean 50% cho th\u1ea5y lo\u00e0i n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng t\u00e1i sinh t\u1ef1 nhi\u00ean kh\u00e1 m\u1ea1nh.<\/p>\n

      3.\u00a0 V\u1ec1 ky\u0303 thu\u00e2\u0323t nh\u00e2n gi\u1ed1ng Cho\u0300 xanh<\/h4>\n

      Ch\u00f2 xanh c\u00f3 qu\u1ea3 nh\u1ecf v\u1edbi 2 c\u00e1nh, thu h\u00e1i qu\u1ea3 t\u1ed1t nh\u1ea5t \u00a0t\u1eeb 25 th\u00e1ng 12 t\u1edbi 20 th\u00e1ng 01 n\u0103m sau, khi \u01a1\u0309 ph\u00e2\u0300n g\u00f4\u0301c chu\u0300m qua\u0309 v\u1eabn c\u00f2n ma\u0300u h\u00f4\u0300ng ti\u0301m nh\u01b0ng ph\u00e2\u0300n \u0111u\u00f4i \u0111a\u0303 chuy\u00ea\u0309n sang ma\u0300u va\u0300ng,\u00a0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ed9 thu\u1ea7n 88% v\u00e0 t\u1ef7 l\u1ec7 n\u1ea9y m\u1ea7m 75%.<\/p>\n

      H\u1ea1t Ch\u00f2 xanh co\u0301 th\u00ea\u0309 b\u1ea3o qu\u1ea3nl\u1ea1nh \u1edf 5-7o<\/sup>C ho\u1eb7c b\u1ea3o qu\u1ea3n kh\u00f4 trong chum b\u1ecbt k\u00edn \u1edf nhi\u1ec7t \u0111\u1ed9 trong ph\u00f2ng; sau 6 th\u00e1ng t\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m c\u00f2n 52%. X\u1eed l\u00fd h\u1ea1t b\u1eb1ng n\u01b0\u1edbc \u1ea5m 450<\/sup>C trong 8 gi\u01a1\u0300. Ch\u00f2 xanh \u1edf giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m \u00a0che s\u00e1ng 25% l\u00e0 ph\u00f9 h\u1ee3p, th\u00e0nh ph\u1ea7n ru\u1ed9t b\u1ea7u th\u00edch h\u1ee3p\u00a0 l\u00e0 95% \u0111\u1ea5t t\u1ea7ng B d\u01b0\u1edbi t\u00e1n r\u1eebng + 1% NPK + 4% ph\u00e2n chu\u1ed3ng hoai t\u00ednh theo kh\u1ed1i l\u01b0\u1ee3ng.<\/p>\n

      C\u00f3 th\u1ec3 nh\u00e2n gi\u1ed1ng c\u00e2y Ch\u00f2 xanh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m hom, x\u1eed l\u00fd b\u1eb1ng thu\u1ed1c k\u00edch th\u00edch sinh tr\u01b0\u1edfng NAA v\u1edbi n\u1ed3ng \u0111\u1ed9 1,5% ho\u1eb7c IBA n\u00f4\u0300ng \u0111\u00f4\u0323 2% v\u00e0 gi\u00e2m v\u00e0o v\u1ee5 Xu\u00e2n cho t\u1ef7 l\u1ec7 ra r\u1ec5 54,4 \u2013 56,6%.<\/p>\n

      4. V\u1ec1 ky\u0303 thu\u00e2\u0323t g\u00e2y tr\u00f4\u0300ng<\/h4>\n

      Ch\u00f2 xanh c\u00f3 th\u1ec3 tr\u1ed3ng l\u00e0m gi\u00e0u r\u1eebng theo b\u0103ng, chi\u1ec1u r\u1ed9ng b\u0103ng ch\u1eb7t b\u1eb1ng \u00bd chi\u1ec1u cao t\u00e1n r\u1eebng; b\u0103ng ch\u1eeba 3m, m\u1ed7i b\u0103ng tr\u1ed3ng 1 h\u00e0ng Ch\u00f2 xanh, c\u00e2y c\u00e1ch c\u00e2y 3 m.<\/p>\n

      Tr\u00f4\u0300ng r\u01b0\u0300ng th\u00e2m canh Ch\u00f2 xanh \u0111\u1ec3 cung c\u1ea5p g\u1ed7 l\u1edbn v\u1edbi m\u00e2\u0323t \u0111\u00f4\u0323 1.111 c\u00e2y\/ha v\u00e0 b\u00f3n l\u00f3t b\u1eb1ng ph\u00e2n NPK (5:0:3) v\u1edbi li\u1ec1u l\u01b0\u1ee3ng 300gram\/c\u00e2y cho sinh tr\u01b0\u1edfng \u0111\u1ebfn 4 tu\u1ed5i l\u00e0 t\u1ed1t nh\u1ea5t.<\/p>\n

      Th\u00f4ng tin lu\u1eadn\u00a0\u00e1n v\u00e0 to\u00e0n v\u0103n lu\u1eadn\u00a0\u00e1n\u00a0\u0111\u00e3\u00a0\u0111\u01b0\u1ee3c\u00a0\u0111\u0103ng t\u1ea3i c\u00f4ng khai tr\u00ean trang th\u00f4ng tin c\u1ee7a B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0\u00a0\u0110\u00e0o t\u1ea1o:\u00a0http:\/\/luanvan.moet.gov.vn\/?page=1.32&view=33582<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

      T\u00ean \u0111\u1ec1 t\u00e0i lu\u1eadn \u00e1n: Nghi\u00ean c\u01b0\u0301u m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng Ch\u00f2 xanh (Terminalia myriocarpa Huerch et M.A.) vu\u0300ng T\u00e2y B\u0103\u0301c. Chuy\u00ean ng\u00e0nh: L\u00e2m sinh\u00a0\u00a0\u00a0\u00a0 M\u00e3 s\u1ed1:\u00a0 9620205 H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh: \u0110inh C\u00f4ng Tr\u00ecnh H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 h\u01b0\u1edbng d\u1eabn 1: PGS. TS Tri\u1ec7u […]<\/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\/18883"}],"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=18883"}],"version-history":[{"count":4,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/18883\/revisions"}],"predecessor-version":[{"id":18887,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/18883\/revisions\/18887"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=18883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=18883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=18883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}