{"id":21666,"date":"2022-02-11T09:03:52","date_gmt":"2022-02-11T02:03:52","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=21666"},"modified":"2022-02-11T14:07:00","modified_gmt":"2022-02-11T07:07:00","slug":"thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-le-xuan-toan","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-le-xuan-toan\/","title":{"rendered":"Th\u00f4ng tin Lu\u1eadn \u00e1n Ti\u1ebfn s\u0129 c\u1ee7a Nghi\u00ean c\u1ee9u sinh L\u00ea Xu\u00e2n To\u00e0n"},"content":{"rendered":"

T\u00ean \u0111\u1ec1 t\u00e0i lu\u1eadn \u00e1n: \u201cNghi\u00ean c\u1ee9u bi\u1ebfn d\u1ecb v\u00e0 kh\u1ea3 n\u0103ng di truy\u1ec1n t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng v\u00e0 t\u00ednh ch\u1ea5t g\u1ed7 c\u1ee7a Keo l\u00e1 li\u1ec1m (Acacia crassicarpa<\/em> A.Cunn. ex Benth.) trong m\u1ed9t s\u1ed1 kh\u1ea3o nghi\u1ec7m h\u1eadu th\u1ebf\u201d.<\/p>\n

Chuy\u00ean ng\u00e0nh: Di truy\u1ec1n v\u00e0 ch\u1ecdn gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p M\u00e3 s\u1ed1: 9 62 02 07<\/p>\n

H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh: L\u00ca XU\u00c2N TO\u00c0N<\/p>\n

H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 h\u01b0\u1edbng d\u1eabn: PGS. TS. Ph\u00ed H\u1ed3ng H\u1ea3i<\/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

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

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  1. Xu\u1ea5t x\u1ee9 Cape Melville v\u00e0 Luncida (QLD) v\u1eeba c\u00f3 sinh tr\u01b0\u1edfng nhanh, ch\u1ea5t l\u01b0\u1ee3ng l\u01b0\u1ee3ng th\u00e2n c\u00e2y t\u1ed1t v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u01a1 b\u1ea3n cao, n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n tr\u1ed3ng r\u1eebng g\u1ed7 l\u1edbn ch\u1ea5t l\u01b0\u1ee3ng cao.<\/li>\n
  2. T\u1ea1i c\u00e1c kh\u1ea3o nghi\u1ec7m \u1edf Nam \u0110\u00e0n v\u00e0 Cam L\u1ed9, kh\u1ea3 n\u0103ng di truy\u1ec1n c\u1ee7a c\u00e1c gia \u0111\u00ecnh Keo l\u00e1 li\u1ec1m tu\u1ed5i 5 – 12 ch\u1ec9 \u1edf m\u1ee9c th\u1ea5p cho m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i; \u1edf m\u1ee9c trung b\u00ecnh cho t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng; \u1edf m\u1ee9c cao t\u1edbi r\u1ea5t cao cho kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang, \u0111\u1ed9 co r\u00fat g\u1ed7, \u0111\u1ed9 ch\u00e9o th\u1edb g\u1ed7 v\u00e0 g\u00f3c vi th\u1edb s\u1ee3i g\u1ed7. T\u1ea1i kh\u1ea3o nghi\u1ec7m \u1edf H\u00e0m Thu\u1eadn Nam, h\u1ea7u h\u1ebft c\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng th\u00e2n c\u00e2y \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng di truy\u1ec1n th\u1ea5p \u1edf tu\u1ed5i 5 v\u00e0 9.<\/li>\n
  3. C\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c gia \u0111\u00ecnh Keo l\u00e1 li\u1ec1m \u1edf c\u00e1c \u0111\u1ed9 tu\u1ed5i 5 – 7 v\u00e0 tu\u1ed5i 9 – 12 t\u1ea1i ba l\u1eadp \u0111\u1ecba c\u00f3 t\u01b0\u01a1ng quan ki\u1ec3u h\u00ecnh v\u00e0 ki\u1ec3u gen t\u1eeb ch\u1eb7t t\u1edbi r\u1ea5t ch\u1eb7t v\u1edbi t\u00ednh tr\u1ea1ng ch\u1ea5t l\u01b0\u1ee3ng th\u00e2n c\u00e2y; tu\u1ed5i t\u1ed1i \u01b0u cho nghi\u00ean c\u1ee9u ch\u1ecdn gi\u1ed1ng v\u1ec1 sinh tr\u01b0\u1edfng l\u00e0 \u0111\u1ed9 tu\u1ed5i 5 – 7. Sinh tr\u01b0\u1edfng chi\u1ec1u cao kh\u00f4ng c\u00f3 t\u01b0\u01a1ng quan v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t g\u1ed7, v\u1edbi ra<\/sub>= -0,07 \u00f7 0,26. Sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh c\u00f3 t\u01b0\u01a1ng quan ngh\u1ecbch ho\u1eb7c thu\u1eadn, nh\u01b0ng y\u1ebfu v\u00e0 kh\u00f4ng c\u00f3 \u00fd ngh\u0129a (ra<\/sub> = -0,38 \u00f7 0,34) v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang v\u00e0 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i. Tuy nhi\u00ean, sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh l\u1ea1i c\u00f3 t\u01b0\u01a1ng quan v\u1eeba ph\u1ea3i t\u1edbi ch\u1eb7t (ra<\/sub> = 0,42 – 0,57), b\u1ea5t l\u1ee3i v\u1edbi \u0111\u1ed9 co r\u00fat g\u1ed7, \u0111\u1ed9 ch\u00e9o th\u1edb g\u1ed7 v\u00e0 g\u00f3c vi th\u1edb s\u1ee3i g\u1ed7.<\/li>\n
  4. V\u1edbi c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecdn l\u1ecdc 5 – 10% giai \u0111o\u1ea1n tu\u1ed5i 9 – 12, t\u0103ng thu di truy\u1ec1n l\u00fd thuy\u1ebft cho c\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng g\u1ed7 \u0111\u1ea1t l\u1ea7n l\u01b0\u1ee3t t\u1eeb 5,2 – 11,3% v\u00e0 t\u1eeb 9,4 – 69,9% t\u1ea1i 3 kh\u1ea3o nghi\u1ec7m. C\u00e1c l\u00f4 h\u1ea1t c\u1ee7a c\u00e1c gia thu t\u1eeb KNHT th\u1ebf h\u1ec7 2 Keo l\u00e1 li\u1ec1m c\u00f3 t\u0103ng thu di truy\u1ec1n th\u1ef1c t\u1ebf v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao \u0111\u1ea1t t\u1eeb 9,5% \u0111\u1ebfn 27,0%, trong khi \u0111\u1ed9 nh\u1ecf c\u00e0nh v\u00e0 \u0111\u1ed9 th\u1eb3ng th\u00e2n \u0111\u1ea1t t\u0103ng thu th\u1ef1c t\u1ebf t\u1eeb 2,0% \u0111\u1ebfn 22,3% so v\u1edbi l\u00f4 h\u1ea1t \u0111\u1ea1i tr\u00e0.<\/li>\n
  5. T\u1eeb c\u00e1c k\u1ebft qu\u1ea3 c\u1ee7a lu\u1eadn \u00e1n m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ed5ng th\u1ec3 cho c\u1ea3i thi\u1ec7n gi\u1ed1ng Keo l\u00e1 li\u1ec1m \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, t\u1eeb kh\u00e2u x\u00e2y d\u1ef1ng c\u00e1c qu\u1ea7n th\u1ec3 ch\u1ecdn gi\u1ed1ng, c\u00e1c t\u00ednh tr\u1ea1ng ti\u1ec1m n\u0103ng, tu\u1ed5i t\u1ed1i \u01b0u trong ch\u1ecdn gi\u1ed1ng, ch\u1ecdn l\u1ecdc v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ed1ng cho s\u1ea3n xu\u1ea5t. \u0110\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c 15 gia \u0111\u00ecnh c\u00f3 sinh tr\u01b0\u1edfng nhanh, ch\u1ea5t l\u01b0\u1ee3ng th\u00e2n c\u00e2y \u0111\u1eb9p v\u00e0 t\u00ednh ch\u1ea5t g\u1ed7 t\u1ed1t \u0111\u1ec3 ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng.<\/li>\n<\/ol>\n

    To\u00e0n v\u0103n lu\u1eadn \u00e1n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i c\u00f4ng khai tr\u00ean trang web c\u1ee7a B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u0110\u00e0o t\u1ea1o t\u1ea1i \u0111\u01b0\u1eddng link:\u00a0https:\/\/luanvan.moet.gov.vn\/?page=1.32&view=39081<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    T\u00ean \u0111\u1ec1 t\u00e0i lu\u1eadn \u00e1n: \u201cNghi\u00ean c\u1ee9u bi\u1ebfn d\u1ecb v\u00e0 kh\u1ea3 n\u0103ng di truy\u1ec1n t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng v\u00e0 t\u00ednh ch\u1ea5t g\u1ed7 c\u1ee7a Keo l\u00e1 li\u1ec1m (Acacia crassicarpa A.Cunn. ex Benth.) trong m\u1ed9t s\u1ed1 kh\u1ea3o nghi\u1ec7m h\u1eadu th\u1ebf\u201d. Chuy\u00ean ng\u00e0nh: Di truy\u1ec1n v\u00e0 ch\u1ecdn gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p M\u00e3 s\u1ed1: 9 62 02 07 H\u1ecd […]<\/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\/21666"}],"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=21666"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/21666\/revisions"}],"predecessor-version":[{"id":21667,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/21666\/revisions\/21667"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=21666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=21666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=21666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}