{"id":642,"date":"2017-03-09T14:17:48","date_gmt":"2017-03-09T07:17:48","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=642"},"modified":"2017-07-13T22:32:36","modified_gmt":"2017-07-13T15:32:36","slug":"nghien-cuu-danh-gia-mot-so-giong-dau-co-trien-vong-de-lam-nguyen-lieu-lai-tao","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=642","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 m\u1ed9t s\u1ed1 gi\u1ed1ng d\u00e2u c\u00f3 tri\u1ec3n v\u1ecdng \u0111\u1ec3 l\u00e0m nguy\u00ean li\u1ec7u lai t\u1ea1o"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td colspan=\"2\">\n<p style=\"text-align: justify;\">\u00a0\u00a0\u00a0 Ng\u00e0nh D\u00e2u t\u1eb1m t\u01a1 c\u00f3 \u0111\u1eb7c th\u00f9 ri\u00eang l\u00e0 s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng tr\u1ea3i qua nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t nh\u01b0 tr\u1ed3ng d\u00e2u, nu\u00f4i t\u1eb1m, \u01b0\u01a1m t\u01a1 v\u00e0 d\u1ec7t may. \u0110\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a s\u1ea3n xu\u1ea5t c\u1ea7n ph\u1ea3i \u1ee9ng d\u1ee5ng \u0111\u1ed3ng b\u1ed9 c\u00e1c ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt m\u1edbi trong c\u00e1c c\u00f4ng \u0111o\u1ea1n ri\u00eang l\u1ebb. S\u1ea3n xu\u1ea5t l\u00e1 d\u00e2u chi\u1ebfm 60% t\u1ed5ng chi ph\u00ed gi\u00e1 th\u00e0nh \u0111\u1ec3 s\u1ea3n xu\u1ea5t ra k\u00e9n t\u1eb1m. \u0110\u1ec3 n\u00e2ng cao n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u00e1 d\u00e2u, ngo\u00e0i c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt nh\u01b0 ch\u0103m s\u00f3c, \u0111\u1ed1n h\u00e1i v\u00e0 ph\u00f2ng r\u1eeb s\u00e2u b\u1ec7nh, c\u00f4ng t\u00e1c ch\u1ecdn t\u1ea1o gi\u1ed1ng m\u1edbi c\u00f3 v\u1ecb tr\u00ed r\u1ea5t quan tr\u1ecdng. Trong nh\u1eefng n\u0103m 30 c\u1ee7a th\u1ebf k\u1ef7 tr\u01b0\u1edbc m\u1ed9t s\u1ed1 nh\u00e0 khoa h\u1ecdc c\u1ee7a Li\u00ean X\u00f4 \u0111\u00e3 chuy\u1ec3n h\u01b0\u1edbng sang nghi\u00ean c\u1ee9u ch\u1ecdn t\u1ea1o gi\u1ed1ng d\u00e2u lai F1 tr\u1ed3ng h\u1ea1t. Nh\u01b0ng \u0111\u1ebfn n\u0103m 80 c\u1ee7a th\u1ebf k\u1ef7 20 d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a Vi\u1ec7n nghi\u00ean c\u1ee9u d\u00e2u t\u1eb1m Qu\u1ea3ng \u0110\u00f4ng \u0111\u00e3 ti\u1ebfn h\u00e0nh s\u1ea3n xu\u1ea5t h\u1ea1t d\u00e2u lai F1 \u0111\u1ec3 cung c\u1ea5p cho s\u1ea3n xu\u1ea5t.<\/p>\n<p style=\"text-align: justify;\">\u1ede Vi\u1ec7t Nam t\u1eeb n\u0103m 1993 m\u1edbi b\u1eaft \u0111\u1ea7u nghi\u00ean c\u1ee9u theo h\u01b0\u1edbng n\u00e0y v\u00e0 \u0111\u1ebfn n\u0103m 2000 \u0111\u00e3 \u0111\u01b0a v\u00e0o s\u1ea3n xu\u1ea5t tr\u1ed3ng gi\u1ed1ng d\u00e2u lai F1 tam b\u1ed9i th\u1ec3 VH9, ti\u1ebfp \u0111\u00f3 l\u00e0 gi\u1ed1ng VH13. T\u1eeb nh\u1eefng n\u0103m 1960-1970 Vi\u1ec7n nghi\u00ean c\u1ee9u d\u00e2u t\u1eb1m Qu\u1ea3ng \u0110\u00f4ng \u0111\u00e3 thu th\u1eadp, ch\u1ec9nh l\u00fd v\u00e0 ch\u1ecdn l\u1ecdc \u0111\u01b0\u1ee3c h\u01a1n 40 gi\u1ed1ng d\u00e2u \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho nguy\u00ean li\u1ec7u lai t\u1ea1o gi\u1ed1ng nh\u01b0 Lu\u00e2n 40, Lu\u00e2n 109, \u0110\u01b0\u1eddng 10 v\u00e0 Sha2 v.v. Trong \u0111\u00f3 c\u00f3 gi\u1ed1ng Sha2 v\u00e0 Lu\u00e2n 109 \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t h\u1ea1t d\u00e2u lai ch\u1ee7 y\u1ebfu hi\u1ec7n nay \u1edf Trung Qu\u1ed1c.<\/p>\n<p style=\"text-align: justify;\">K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y<\/p>\n<p style=\"text-align: justify;\">&#8211; C\u00e1c gi\u1ed1ng d\u00e2u nh\u1eadp n\u1ed9i Q1, Q2, K9, K10 v\u00e0 K11 c\u00f3 th\u1eddi gian n\u1ea3y m\u1ea7m \u1edf v\u1ee5 xu\u00e2n kh\u00f4ng ch\u00eanh l\u1ec7ch nhi\u1ec1u so v\u1edbi gi\u1ed1ng d\u00e2u \u0111\u1ecba ph\u01b0\u01a1ng H\u00e0 B\u1eafc, c\u00f3 th\u1ec3 ch\u1ecdn l\u1ecdc l\u00e0m nguy\u00ean li\u1ec7u lai t\u1ea1o gi\u1ed1ng d\u00e2u lai F1 tr\u1ed3ng h\u1ea1t.<\/p>\n<p style=\"text-align: justify;\">&#8211; C\u00e1c gi\u1ed1ng d\u00e2u Q2, K9, K10 v\u00e0 K11 \u0111\u1ec1u c\u00f3 k\u00edch th\u01b0\u1edbc l\u00e1 l\u1edbn h\u01a1n gi\u1ed1ng d\u00e2u H\u00e0 B\u1eafc, trong \u0111\u00f3 gi\u1ed1ng K10 v\u00e0 K11 c\u00f3 k\u00edch th\u01b0\u1edbc l\u00e1 l\u1edbn nh\u1ea5t.<\/p>\n<p style=\"text-align: justify;\">&#8211; C\u00e1c gi\u1ed1ng d\u00e2u th\u00ed nghi\u1ec7m \u0111\u1ec1u c\u00f3 \u0111\u1ed1t d\u00e0i h\u01a1n n\u00ean kh\u1ed1i l\u01b0\u1ee3ng l\u00e1 tr\u00ean m\u00e9t c\u00e0nh nh\u1ecf h\u01a1n gi\u1ed1ng d\u00e2u H\u00e0 B\u1eafc t\u1eeb 4- 33 %.<\/p>\n<p style=\"text-align: justify;\">&#8211; N\u0103ng su\u1ea5t c\u1ee7a c\u00e1c gi\u1ed1ng d\u00e2u th\u00ed nghi\u1ec7m \u0111\u1ec1u cao h\u01a1n gi\u1ed1ng H\u00e0 B\u1eafc, trong \u0111\u00f3 gi\u1ed1ng Q1 v\u00e0 K11 \u0111\u1ea1t cao nh\u1ea5t (118 v\u00e0 117 %).<\/p>\n<p style=\"text-align: justify;\">&#8211; M\u1ee9c \u0111\u1ed9 nhi\u1ec5m b\u1ec7nh b\u1ea1c thau v\u00e0 g\u1ec9 s\u1eaft c\u1ee7a c\u00e1c gi\u1ed1ng d\u00e2u th\u00ed nghi\u1ec7m \u1edf m\u1ee9c \u0111\u1ed9 trung b\u00ecnh t\u01b0\u01a1ng \u1ee9ng v\u1edbi gi\u1ed1ng d\u00e2u H\u00e0 B\u1eafc.<\/p>\n<p style=\"text-align: justify;\">Xem b\u00e1o c\u00e1o chi ti\u1ebft <a href=\"https:\/\/prc.maiatech.com.vn\/UserFiles\/File\/Bao%20cao%20khoa%20hoc\/NC%20giong%20dau%20trien%20vong.pdf\">t\u1ea1i \u0111\u00e2y<\/a><\/p>\n<\/td>\n<\/tr>\n<tr style=\"text-align: justify;\">\n<td style=\"text-align: right;\" colspan=\"2\">Ph\u1ea1m V\u0103n D\u01b0\u01a1ng, L\u00ea Quang T\u00fa, T\u1ed1ng Th\u1ecb Sen<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0\u00a0 Ng\u00e0nh D\u00e2u t\u1eb1m t\u01a1 c\u00f3 \u0111\u1eb7c th\u00f9 ri\u00eang l\u00e0 s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng tr\u1ea3i qua nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n c\u1ee7a<\/p>\n","protected":false},"author":4,"featured_media":1430,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[47],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/642"}],"collection":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=642"}],"version-history":[{"count":2,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/642\/revisions"}],"predecessor-version":[{"id":1431,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/642\/revisions\/1431"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/1430"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}