{"id":9730,"date":"2012-02-09T08:05:49","date_gmt":"2012-02-09T01:05:49","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/02\/nhan-giong-mot-so-giong-cay-lam-nghiep-moi-duoc-chon-loc-bang-cong-nghe-nuoi-cay-mo-te-bao\/"},"modified":"2013-10-06T09:02:34","modified_gmt":"2013-10-06T02:02:34","slug":"nhan-giong-mot-so-giong-cay-lam-nghiep-moi-duoc-chon-loc-bang-cong-nghe-nuoi-cay-mo-te-bao","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nhan-giong-mot-so-giong-cay-lam-nghiep-moi-duoc-chon-loc-bang-cong-nghe-nuoi-cay-mo-te-bao\/","title":{"rendered":"Nh\u00e2n gi\u1ed1ng m\u1ed9t s\u1ed1 gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p m\u1edbi  \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc b\u1eb1ng c\u00f4ng ngh\u1ec7 nu\u00f4i c\u1ea5y m\u00f4 t\u1ebf b\u00e0o"},"content":{"rendered":"\n<p> <strong>\u0110o\u00e0n Th\u1ecb Mai, L\u00ea S\u01a1n, Nguy\u1ec5n Th\u1ecb Th\u01a1m, Phan Quy\u1ec1n<\/strong> <\/p>\n<p> <em>Trung t\u00e2m Nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y r\u1eebng<\/em> <\/p>\n<p> <strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> C\u00e1c th\u00ed nghi\u1ec7m nh\u00e2n gi\u1ed1ng cho m\u1ed9t s\u1ed1 gi\u1ed1ng c\u00e2y r\u1eebng m\u1edbi ch\u1ecdn l\u1ecdc (Keo lai t\u1ef1 nhi\u00ean d\u00f2ng BV71, BV73, BV75, Keo lai nh\u00e2n t\u1ea1o MA02, B\u1ea1ch \u0111\u00e0n lai nh\u00e2n t\u1ea1o d\u00f2ng UE35, B\u1ea1ch \u0111\u00e0n uro d\u00f2ng Pn3d) v\u00e0 L\u00e1t hoa b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nu\u00f4i c\u1ea5y m\u00f4 \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1ea1i Trung t\u00e2m Nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y r\u1eebng nh\u1eb1m \u0111\u01b0a nhanh c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u00e0o s\u1ea3n xu\u1ea5t. K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m nu\u00f4i c\u1ea5y m\u00f4 cho th\u1ea5y: <\/p>\n<p> &#8211; \u0110\u1ed1i v\u1edbi Keo lai (g\u1ed3m c\u1ea3 Keo lai t\u1ef1 nhi\u00ean v\u00e0 Keo lai nh\u00e2n t\u1ea1o): ph\u01b0\u01a1ng ph\u00e1p kh\u1eed tr\u00f9ng th\u00edch h\u1ee3p nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng HgCl<sub>2<\/sub> n\u1ed3ng \u0111\u1ed9 0,5% trong 8-10 ph\u00fat. M\u00f4i tr\u01b0\u1eddng nh\u00e2n nhanh s\u1ed1 l\u01b0\u1ee3ng ch\u1ed3i th\u00edch h\u1ee3p l\u00e0 MS c\u1ea3i ti\u1ebfn c\u00f3 b\u1ed5 sung BAP n\u1ed3ng \u0111\u1ed9 1,5-2,0 mg\/l. M\u00f4i tr\u01b0\u1eddng n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng ch\u1ed3i th\u00edch h\u1ee3p l\u00e0 MS c\u1ea3i ti\u1ebfn b\u1ed5 sung BAP n\u1ed3ng \u0111\u1ed9 1,5-2,0 mg\/l v\u00e0 NAA n\u1ed3ng \u0111\u1ed9 0,5 mg\/l. M\u00f4i tr\u01b0\u1eddng ra r\u1ec5 th\u00edch h\u1ee3p l\u00e0 1\/2MS b\u1ed5 sung IBA n\u1ed3ng \u0111\u1ed9 1,0-1,5 mg\/l. C\u00e1c ch\u1ed3i Keo lai nu\u00f4i c\u1ea5y m\u00f4 c\u00f2n \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh cho ra r\u1ec5 trong \u0111i\u1ec1u ki\u1ec7n v\u01b0\u1eddn \u01b0\u01a1m b\u1eb1ng c\u00e1ch ch\u1ea5m thu\u1ed1c k\u00edch th\u00edch ra r\u1ec5 d\u1ea1ng b\u1ed9t (k\u00ed hi\u1ec7u TTG) c\u00f3 g\u1ed1c l\u00e0 IBA n\u1ed3ng \u0111\u1ed9 1,5% v\u1edbi t\u1ef7 l\u1ec7 ra r\u1ec5 tr\u00ean 95%. <\/p>\n<p> &#8211; \u0110\u1ed1i v\u1edbi b\u1ea1ch \u0111\u00e0n, ph\u01b0\u01a1ng ph\u00e1p kh\u1eed tr\u00f9ng th\u00edch h\u1ee3p l\u00e0 s\u1eed d\u1ee5ng dung dich HgCl<sub>2<\/sub> n\u1ed3ng \u0111\u1ed9 0,1% trong 10-12 ph\u00fat. M\u00f4i tr\u01b0\u1eddng nh\u00e2n ch\u1ed3i th\u00edch h\u1ee3p l\u00e0 MS c\u1ea3i ti\u1ebfn cho b\u1ea1ch \u0111\u00e0n c\u00f3 b\u1ed5 sung 0,5 mg\/l BAP v\u00e0 0,2 mg\/l NAA. M\u00f4i tr\u01b0\u1eddng ra r\u1ec5 th\u00edch h\u1ee3p l\u00e0 1\/2MS c\u1ea3i ti\u1ebfn + 1,5 mg\/l IBA+ 0,1mg\/l ABT1- \u0110\u1ed1i v\u1edbi L\u00e1t hoa, ph\u01b0\u01a1ng ph\u00e1p kh\u1ea3 tr\u00f9ng th\u00edch h\u1ee3p l\u00e0 HgCl<sub>2<\/sub> n\u1ed3ng \u0111\u1ed9 0,15% trong v\u00f2ng 15 ph\u00fat. M\u00f4i tr\u01b0\u1eddng nh\u00e2n ch\u1ed3i th\u00edch h\u1ee3p l\u00e0 WPM* + 0,75 mg\/l BAP. M\u00f4i tr\u01b0\u1eddng ra r\u1ec5 ph\u00f9 h\u1ee3p l\u00e0 1\/2MS* + 1,0 mg\/l IBA. L\u00e1t hoa c\u00f2n \u0111\u01b0\u1ee3c t\u1ea1o r\u1ec5 trong \u0111i\u1ec1u ki\u1ec7n v\u01b0\u1eddn \u01b0\u01a1m v\u1edbi thu\u1ed1c k\u00edch th\u00edch t\u1ea1o r\u1ec5 d\u1ea1ng b\u1ed9t TTG 1 (1,0% IBA) v\u1edbi t\u1ef7 l\u1ec7 ra r\u1ec5 \u0111\u1ea1t 82-93%. <\/p>\n<p> <strong>T\u1eeb kh\u00f3a:<\/strong> Nu\u00f4i c\u1ea5y m\u00f4, TTG, Keo lai t\u1ef1 nhi\u00ean, Keo lai nh\u00e2n t\u1ea1o, B\u1ea1ch \u0111\u00e0n uro, B\u1ea1ch \u0111\u00e0n lai nh\u00e2n t\u1ea1o, L\u00e1t hoa. <\/p>\n<p> <strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n<p> Nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, vi\u1ec7c \u1ee9ng d\u1ee5ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt v\u1ec1 c\u00f4ng ngh\u1ec7 t\u1ebf b\u00e0o th\u1ef1c v\u1eadt trong c\u00f4ng t\u00e1c ch\u1ecdn gi\u1ed1ng c\u00e2y r\u1eebng \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi. \u1ede Vi\u1ec7t Nam nu\u00f4i c\u1ea5y m\u00f4 \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb nh\u1eefng n\u0103m 70. Tuy nhi\u00ean, c\u00e1c \u1ee9ng d\u1ee5ng v\u1ec1 nu\u00f4i c\u1ea5y m\u00f4 trong l\u00e2m nghi\u1ec7p c\u00f2n nhi\u1ec1u h\u1ea1n ch\u1ebf v\u1ec1 k\u1ef9 thu\u1eadt, quy m\u00f4, v\u1ed1n \u0111\u1ea7u t\u01b0, d\u1eabn \u0111\u1ebfn gi\u00e1 th\u00e0nh c\u00e2y con t\u1eeb nu\u00f4i c\u1ea5y m\u00f4 cao h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e2y hom v\u00e0 c\u00e2y h\u1ea1t do \u0111\u00f3 di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng t\u1eeb c\u00e2y m\u00f4 ch\u01b0a nhi\u1ec1u. M\u1eb7c d\u00f9 v\u1eady, c\u00e2y m\u00f4 v\u1edbi c\u00e1c \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i nh\u01b0: c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t quanh n\u0103m kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o m\u00f9a v\u1ee5, c\u1ea7n \u00edt di\u1ec7n t\u00edch s\u1ea3n xu\u1ea5t, c\u00e2y gi\u1ed1ng s\u1ea3n xu\u1ea5t ra ho\u00e0n to\u00e0n s\u1ea1ch b\u1ec7nh, \u0111\u1ed3ng nh\u1ea5t v\u1ec1 m\u1eb7t di truy\u1ec1n, c\u00f3 \u0111\u1ed9 tr\u1ebb h\u00f3a cao v\u00e0 c\u00f3 b\u1ed9 r\u1ec5 gi\u1ed1ng nh\u01b0 c\u00e2y con t\u1eeb h\u1ea1t n\u00ean c\u00f3 kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n t\u1ed1t h\u01a1n tr\u00ean hi\u1ec7n tr\u01b0\u1eddng. N\u00ean trong th\u1eddi gian t\u1edbi c\u00e2y con s\u1ea3n xu\u1ea5t t\u1eeb nu\u00f4i c\u1ea5y m\u00f4 s\u1ebd c\u00f3 v\u1ecb tr\u00ed x\u1ee9ng \u0111\u00e1ng trong s\u1ea3n xu\u1ea5t l\u00e2m nghi\u1ec7p. <\/p>\n<p> <em>(K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 giai \u0111o\u1ea1n 2006-2010, trang 51-59)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"<p><span style=\"font-family: Arial; font-size: 10pt\">C&aacute;c th&iacute; nghi\u1ec7m nh&acirc;n gi\u1ed1ng cho m\u1ed9t s\u1ed1 gi\u1ed1ng c&acirc;y r\u1eebng m\u1edbi ch\u1ecdn l\u1ecdc (Keo lai t\u1ef1 nhi&ecirc;n d&ograve;ng BV71, BV73, BV75, Keo lai nh&acirc;n t\u1ea1o MA02, B\u1ea1ch \u0111&agrave;n lai nh&acirc;n t\u1ea1o d&ograve;ng UE35, B\u1ea1ch \u0111&agrave;n uro d&ograve;ng Pn3d) v&agrave; L&aacute;t hoa b\u1eb1ng ph\u01b0\u01a1ng ph&aacute;p nu&ocirc;i c\u1ea5y m&ocirc; \u0111&atilde; \u0111\u01b0\u1ee3c ti\u1ebfn h&agrave;nh t\u1ea1i Trung t&acirc;m Nghi&ecirc;n c\u1ee9u Gi\u1ed1ng c&acirc;y r\u1eebng nh\u1eb1m \u0111\u01b0a nhanh c&aacute;c k\u1ebft qu\u1ea3 nghi&ecirc;n c\u1ee9u v&agrave;o s\u1ea3n xu\u1ea5t. <\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9730"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9730"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9730\/revisions"}],"predecessor-version":[{"id":11183,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9730\/revisions\/11183"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}