{"id":20341,"date":"2020-06-15T11:52:20","date_gmt":"2020-06-15T04:52:20","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=20341"},"modified":"2020-07-10T22:09:59","modified_gmt":"2020-07-10T15:09:59","slug":"thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-nguyen-thi-bich-ngoc","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-nguyen-thi-bich-ngoc\/","title":{"rendered":"Th\u00f4ng tin Lu\u1eadn \u00e1n Ti\u1ebfn s\u0129 c\u1ee7a Nghi\u00ean c\u1ee9u sinh Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc"},"content":{"rendered":"

T\u00ean \u0111\u1ec1 t\u00e0i lu\u1eadn \u00e1n: Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc v\u00e0 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng lo\u00e0i Nghi\u1ebfn (Burretiodendron hsienmu <\/em>Chun et How) t\u1ea1i hai t\u1ec9nh S\u01a1n La v\u00e0 \u0110i\u1ec7n Bi\u00ean<\/em><\/p>\n

Chuy\u00ean ng\u00e0nh: L\u00e2m sinh \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0M\u00e3 s\u1ed1: 9620205<\/p>\n

H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh: Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc<\/p>\n

H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 h\u01b0\u1edbng d\u1eabn: GS.TS. V\u00f5 \u0110\u1ea1i 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

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. Nghi\u00ean c\u1ee9u b\u1ed5 sung \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc lo\u00e0i Nghi\u1ebfn trong b\u1ed1i c\u1ea3nh t\u00e0i nguy\u00ean r\u1eebng \u0111\u00e3 b\u1ecb t\u00e1c \u0111\u1ed9ng nhi\u1ec1u t\u1ea1i hai t\u1ec9nh S\u01a1n La v\u00e0 \u0110i\u1ec7n Bi\u00ean. Nghi\u1ebfn c\u00f2n l\u1ea1i ch\u1ee7 y\u1ebfu c\u00e2y c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf. \u0110\u01b0\u1eddng k\u00ednh t\u1eeb 13,8-54cm, chi\u1ec1u cao t\u1eeb 8,6-22,6m, m\u1eadt \u0111\u1ed9 t\u1eeb 28 – 80 c\u00e2y\/ha. L\u00e1 c\u00e2y t\u00e1i sinh v\u00e0 tr\u01b0\u1edfng th\u00e0nh c\u00f3 3 – 5 g\u00e2n g\u1ed1c. L\u00e1 c\u00e2y m\u1ea7m d\u1ea1ng h\u00ecnh tai, ra hoa th\u00e1ng 3 – 4, qu\u1ea3 ch\u00edn r\u1ed9 th\u00e1ng 5 \u2013 6, khi ch\u00edn qu\u1ea3 t\u1ef1 n\u1ee9t th\u00e0nh 5 m\u1ea3nh.<\/li>\n
  2. Nghi\u1ebfn ph\u00e2n b\u1ed1 n\u01a1i \u0111\u1ecba h\u00ecnh n\u00fai \u0111\u00e1 v\u00f4i c\u00f3 \u0111\u1ed9 cao t\u1eeb 650 – 890m, tr\u1ea1ng th\u00e1i r\u1eebng IIIA1 (ch\u1ee7 y\u1ebfu), IIIA2 (\u00edt) v\u00e0 tham gia v\u00e0o t\u1ea5t c\u1ea3 c\u00e1c t\u1ea7ng r\u1eebng, ch\u1ee7 y\u1ebfu t\u1ea7ng gi\u1eefa v\u00e0 t\u1ea7ng tr\u00ean. Lo\u00e0i hay xu\u1ea5t hi\u1ec7n c\u00f9ng Nghi\u1ebfn g\u1ed3m: Nghi\u1ebfn, L\u00e1t hoa, V\u00e0ng anh, Re h\u01b0\u01a1ng, Trai l\u00fd. Di\u1ec7n t\u00edch dinh d\u01b0\u1ee1ng c\u00e2y Nghi\u1ebfn tr\u01b0\u1edfng th\u00e0nh trung b\u00ecnh 41,13m2<\/sup> v\u00e0 m\u1eadt \u0111\u1ed9 n\u00ean gi\u1eef l\u1ea1i t\u1eeb 250 – 300 c\u00e2y\/ha. M\u1eadt \u0111\u1ed9 c\u00e2y t\u00e1i sinh t\u1eeb 2200 – 7800 c\u00e2y\/ha, t\u00e1i sinh tri\u1ec3n v\u1ecdng t\u1eeb 36,36 – 81,40%. T\u1ed5 th\u00e0nh c\u00e2y t\u00e1i sinh kh\u00e1 t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi t\u1ea7ng c\u00e2y cao, \u0111\u1eb7c bi\u1ec7t th\u00e0nh ph\u1ea7n lo\u00e0i \u01b0u th\u1ebf l\u00e0 Nghi\u1ebfn cho th\u1ea5y s\u1ef1 k\u1ebf th\u1eeba t\u1ed1t c\u1ee7a l\u1edbp c\u00e2y t\u00e1i sinh. Nghi\u1ebfn t\u00e1i sinh t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t c\u1ea3 trong t\u00e1n v\u00e0 ngo\u00e0i t\u00e1n c\u00e2y m\u1eb9, trong t\u00e1n ch\u1ee7 y\u1ebfu c\u00e2y d\u01b0\u1edbi 1m ho\u1eb7c c\u00e2y m\u1ea1.<\/li>\n
  3. H\u1ea1t Nghi\u1ebfn c\u00f3 \u0111\u1ed9 thu\u1ea7n cao, t\u1eeb 82,0 – 92,6%; kh\u1ed1i l\u01b0\u1ee3ng 1000 h\u1ea1t t\u1eeb 198,2 – 209,6g; trong 1kg c\u00f3 b\u00ecnh qu\u00e2n 4.940 h\u1ea1t. H\u1ea1t c\u00f3 t\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m t\u1eeb 70-81%, trung b\u00ecnh 75,5%; th\u1eddi gian \u0111\u1ec3 h\u1ea1t n\u1ee9t nanh ho\u00e0n to\u00e0n t\u01b0\u0300 12,4 – 13,4 nga\u0300y. Nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd h\u1ea1t th\u00edch h\u1ee3p l\u00e0 40o<\/sup>C. \u0110\u1ed9 che s\u00e1ng th\u00edch h\u1ee3p nh\u1ea5t trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m \u0111\u1ebfn 12 th\u00e1ng tu\u1ed5i l\u00e0 50%; h\u1ed7n h\u1ee3p ru\u1ed9t b\u1ea7u n\u00ean d\u00f9ng 80% t\u1ea7ng \u0111\u1ea5t m\u1eb7t + 10% ph\u00e2n chu\u1ed3ng \u1ee7 hoai + 9% tr\u1ea5u hun +1% super l\u00e2n.<\/li>\n
  4. K\u1ebft qu\u1ea3 nh\u00e2n gi\u1ed1ng Nghi\u1ebfn b\u1eb1ng hom: \u0110\u1ed1i v\u1edbi hom t\u1eeb r\u1eebng t\u1ef1 nhi\u00ean, s\u1eed d\u1ee5ng ch\u1ea5t k\u00edch th\u00edch sinh tr\u01b0\u1edfng th\u1ef1c v\u1eadt IAA n\u1ed3ng \u0111\u1ed9 5000ppm, th\u1eddi gian nh\u00fang t\u1eeb 10-20s cho t\u1ef7 l\u1ec7 hom ra r\u1ec5 cao nh\u1ea5t. \u0110\u1ed1i v\u1edbi hom \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u1ebb h\u00f3a, IAA s\u1eed d\u1ee5ng n\u1ed3ng \u0111\u1ed9 1250ppm v\u1edbi th\u1eddi gian nh\u00fang 20s. Hom \u0111\u01b0\u1ee3c tr\u1ebb h\u00f3a cho t\u1ef7 l\u1ec7 hom ra r\u1ec5 cao h\u01a1n hom ch\u01b0a \u0111\u01b0\u1ee3c tr\u1ebb h\u00f3a.<\/li>\n
  5. Nghi\u00ean c\u1ee9u k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng Nghi\u1ebfn: N\u00ean s\u1eed d\u1ee5ng c\u00e2y con t\u1eeb 12 th\u00e1ng tu\u1ed5i tr\u1edf l\u00ean, t\u1ed1t nh\u1ea5t l\u00e0 t\u1eeb 15 th\u00e1ng tu\u1ed5i. B\u00f3n l\u00f3t n\u00ean s\u1eed d\u1ee5ng l\u00e0 0,2kg NPK\/g\u1ed1c c\u00e2y, m\u1eadt \u0111\u1ed9 tr\u1ed3ng l\u00e0m gi\u00e0u r\u1eebng n\u00ean \u00e1p d\u1ee5ng 400 c\u00e2y\/ha. Nghi\u1ebfn tr\u1ed3ng h\u1ed7n giao v\u1edbi L\u00e1t hoa v\u1edbi m\u1eadt \u0111\u1ed9 2500 c\u00e2y\/ha, t\u1ef7 l\u1ec7 4 h\u00e0ng L\u00e1t hoa v\u1edbi 1 h\u00e0ng Nghi\u1ebfn s\u1ebd cho sinh tr\u01b0\u1edfng Nghi\u1ebfn t\u1ed1t nh\u1ea5t. Sinh tr\u01b0\u1edfng Nghi\u1ebfn trong c\u00e1c th\u00ed nghi\u1ec7m kh\u00f4ng c\u00f3 s\u1ef1 sai kh\u00e1c r\u00f5 r\u1ec7t gi\u1eefa 2 t\u1ec9nh S\u01a1n La, \u0110i\u1ec7n Bi\u00ean. B\u00f3n th\u00fac trong 3 n\u0103m \u0111\u1ea7u k\u1ebft h\u1ee3p v\u1edbi ch\u0103m s\u00f3c l\u00e0m c\u1ecf \u0111\u1ecbnh k\u1ef3 2 l\u1ea7n\/n\u0103m. T\u1eeb n\u0103m th\u1ee9 3, Nghi\u1ebfn c\u00f3 s\u1ef1 t\u0103ng r\u00f5 r\u1ec7t v\u1ec1 chi\u1ec1u cao v\u00e0 \u0111\u01b0\u1eddng k\u00ednh.<\/li>\n<\/ol>\n

    6. \u0110\u1ec1 xu\u1ea5t c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt b\u1ea3o t\u1ed3n, ph\u1ee5c h\u1ed3i v\u00e0 ph\u00e1t tri\u1ec3n Nghi\u1ebfn t\u1ea1i S\u01a1n La v\u00e0 \u0110i\u1ec7n Bi\u00ean t\u1eeb k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u, bao g\u1ed3m: Gi\u1ea3i ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u tr\u00fac r\u1eebng, nh\u00e2n gi\u1ed1ng, tr\u1ed3ng v\u00e0 ch\u0103m s\u00f3c r\u1eebng, l\u00e0m gi\u1ea7u r\u1eebng.<\/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 t\u1ea1i\u00a0\u0111\u01b0\u1eddng link:\u00a0http:\/\/luanvan.moet.edu.vn\/?page=1.32&view=35379<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

    T\u00ean \u0111\u1ec1 t\u00e0i lu\u1eadn \u00e1n: Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc v\u00e0 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng lo\u00e0i Nghi\u1ebfn (Burretiodendron hsienmu Chun et How) t\u1ea1i hai t\u1ec9nh S\u01a1n La v\u00e0 \u0110i\u1ec7n Bi\u00ean Chuy\u00ean ng\u00e0nh: L\u00e2m sinh \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0M\u00e3 s\u1ed1: 9620205 H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh: Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 […]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[42,66,35],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/20341"}],"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=20341"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/20341\/revisions"}],"predecessor-version":[{"id":20342,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/20341\/revisions\/20342"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=20341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=20341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=20341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}