{"id":624,"date":"2017-03-09T11:08:19","date_gmt":"2017-03-09T04:08:19","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=624"},"modified":"2017-08-02T16:06:39","modified_gmt":"2017-08-02T09:06:39","slug":"dac-diem-nong-sinh-hoc-cua-mot-so-giong-lua-tiem-nang-trong-tap-doan-giong-nhap-noi","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=624","title":{"rendered":"\u0110\u1eb7c \u0111i\u1ec3m n\u00f4ng sinh h\u1ecdc c\u1ee7a m\u1ed9t s\u1ed1 gi\u1ed1ng l\u00faa ti\u1ec1m n\u0103ng trong t\u1eadp \u0111o\u00e0n gi\u1ed1ng nh\u1eadp n\u1ed9i"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td colspan=\"2\">\u00a0\u00a0 C\u00e2y l\u00faa n\u01b0\u1edbc Oryza sativa L., \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf 114 n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi v\u00e0 l\u00e0 ngu\u1ed3n nu\u00f4i s\u1ed1ng tr\u1ef1c ti\u1ebfp cho h\u01a1n 3,5 t\u1ef7 ng\u01b0\u1eddi (50% d\u00e2n s\u1ed1 th\u1ebf gi\u1edbi) v\u00e0 h\u1ea7u h\u1ebft c\u00f3 \u1ea3nh h\u01b0\u1edfng gi\u00e1n ti\u1ebfp \u0111\u1ebfn s\u1ed1 ng\u01b0\u1eddi c\u00f2n l\u1ea1i kh\u00e1c. N\u0103m 2011, tr\u00ean th\u1ebf gi\u1edbi, di\u1ec7n t\u00edch tr\u1ed3ng l\u00faa \u0111\u1ea1t 164,6 tri\u1ec7u ha, s\u1ea3n l\u01b0\u1ee3ng 721 tri\u1ec7u t\u1ea5n (hay 481 tri\u1ec7u t\u1ea5n g\u1ea1o), t\u01b0\u01a1ng \u1ee9ng t\u0103ng 2,2% v\u00e0 3% v\u1ec1 di\u1ec7n t\u00edch v\u00e0 s\u1ea3n l\u01b0\u1ee3ng, so v\u1edbi n\u0103m 2010. Trong \u0111\u00f3, ch\u00e2u \u00c1\u00a0chi\u1ebfm t\u1edbi 90,3%, t\u1ee9c 651 tri\u1ec7u t\u1ea5n (hay 435 tri\u1ec7u t\u1ea5n g\u1ea1o) trong t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng l\u00faa g\u1ea1o to\u00e0n c\u1ea7u n\u0103m 2011, t\u0103ng 3% so v\u1edbi s\u1ea3n l\u01b0\u1ee3ng n\u0103m 2010. Ri\u00eang \u1edf Vi\u1ec7t Nam, di\u1ec7n t\u00edch s\u1ea3n xu\u1ea5t lu\u0301a khoa\u0309ng 7,6 tri\u1ec7u ha, s\u1ea3n l\u01b0\u1ee3ng 42,2 tri\u1ec7u t\u1ea5n, n\u0103ng su\u1ea5t b\u00ecnh qu\u00e2n 5,5 t\u1ea5n\/ha. Tuy nhi\u00ean, hi\u1ec7n nay \u1edf n\u01b0\u1edbc ta, gi\u1ed1ng l\u00faa n\u1ed9i \u0111\u1ecba ch\u1ec9 chi\u1ebfm 42%, trong khi \u0111\u00f3 gi\u1ed1ng l\u00faa nh\u1eadp n\u1ed9i chi\u1ebfm t\u1edbi h\u01a1n 48%.<\/p>\n<p>Nh\u01b0 v\u1eady, tr\u00ean th\u1ef1c t\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c ti\u1ec1m n\u0103ng xu\u1ea5t kh\u1ea9u g\u1ea1o, ph\u1ee5c v\u1ee5 nhu c\u1ea7u n\u1ed9i ti\u00eau v\u00e0 khai th\u00e1c c\u00e1c th\u1ebf m\u1ea1nh c\u1ee7a m\u00ecnh, b\u00ean c\u1ea1nh vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p th\u00e2m canh \u0111\u1ec3 kh\u00f4ng ng\u1eebng t\u0103ng n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u00faa g\u1ea1o th\u00ec song song v\u1edbi c\u00f4ng t\u00e1c ch\u1ecdn t\u1ea1o gi\u1ed1ng l\u00faa t\u1ea1i ch\u1ed7, c\u00f4ng t\u00e1c nh\u1eadp n\u1ed9i gi\u1ed1ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n ch\u1ecdn nhanh v\u00e0 thu th\u1eadp th\u00eam v\u1eadt li\u1ec7u t\u1ed1t cho c\u00f4ng t\u00e1c lai t\u1ea1o trong n\u01b0\u1edbc, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c gi\u1ed1ng l\u00faa c\u00f3 n\u0103ng su\u1ea5t cao, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, th\u1eddi gian sinh tr\u01b0\u1edfng ng\u1eafn d\u01b0\u1edbi 120 ng\u00e0y \u1edf v\u1ee5 m\u00f9a v\u00e0 t\u1eeb 130-145 ng\u00e0y \u1edf v\u1ee5 xu\u00e2n l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft v\u00e0 gi\u1eef m\u1ed9t vai tr\u00f2 quan tr\u1ecdng.<\/p>\n<p>Tr\u00ean c\u01a1 s\u1edf \u0111\u00f3, c\u00e1c gi\u1ed1ng l\u00faa nh\u1eadp n\u1ed9i c\u1ea7n \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, \u0111\u00e1nh gi\u00e1, m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u00f4ng sinh h\u1ecdc, t\u00ednh th\u00edch nghi v\u00e0 m\u1ee9c \u0111\u1ed9 ch\u1ed1ng ch\u1ecbu c\u00f9ng v\u1edbi ti\u1ec1m n\u0103ng n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho s\u1ea3n xu\u1ea5t v\u00e0 l\u00e0m phong ph\u00fa th\u00eam v\u1eadt li\u1ec7u lai t\u1ea1o gi\u1ed1ng l\u00faa trong t\u01b0\u01a1ng lai. Trong b\u00e0i vi\u1ebft n\u00e0y ch\u00fang t\u00f4i \u0111\u00e3 b\u01b0\u1edbc \u0111\u1ea7u ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u c\u01a1 b\u1ea3n \u0111\u1eb7c \u0111i\u1ec3m n\u00f4ng sinh h\u1ecdc, ti\u1ec1m n\u0103ng n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c gi\u1ed1ng l\u00faa nh\u1eadp n\u1ed9i giai \u0111o\u1ea1n 2011 \u0111\u1ebfn 2012 \u0111\u1ec3 kh\u1eb3ng \u0111\u1ecbnh v\u1ec1 t\u00ednh th\u00edch nghi v\u00e0 n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a gi\u1ed1ng trong \u0111i\u1ec1u ki\u1ec7n tr\u1ed3ng t\u1ea1i An Kh\u00e1nh, Ho\u00e0i \u0110\u1ee9c, H\u00e0 N\u1ed9i.<\/p>\n<p>Nh\u1eadp n\u1ed9i ngu\u1ed3n gen l\u00e0 vi\u1ec7c l\u00e0m c\u1ea7n thi\u1ebft \u0111\u1ec3 gia t\u0103ng s\u1ef1 \u0111a d\u1ea1ng v\u00e0 n\u00e2ng cao s\u1ed1 l\u01b0\u1ee3ng ngu\u1ed3n gen, m\u1edf r\u1ed9ng n\u1ec1n di truy\u1ec1n c\u00e2y tr\u1ed3ng trong n\u01b0\u1edbc.<\/p>\n<p>Trong 17 gi\u1ed1ng tham gia nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 t\u1ea1i An Kh\u00e1nh, Ho\u00e0i \u0110\u1ee9c, H\u00e0 N\u1ed9i, \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 3 gi\u1ed1ng c\u00f3 ti\u1ec1m n\u0103ng n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1 l\u00e0 gi\u1ed1ng 11L80 v\u00e0 11L108 (gi\u1ed1ng n\u0103ng su\u1ea5t) gi\u1ed1ng 12L01 (gi\u1ed1ng ch\u1ea5t l\u01b0\u1ee3ng). Tuy nhi\u00ean, \u0111\u1ec3 kh\u1eb3ng \u0111\u1ecbnh th\u00eam t\u00ednh th\u00edch \u1ee9ng th\u00ec c\u00e1c gi\u1ed1ng n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c g\u1eedi kh\u1ea3o nghi\u1ec7m \u1edf c\u00e1c v\u00f9ng sinh th\u00e1i kh\u00e1c nhau trong n\u01b0\u1edbc.<\/p>\n<p>Xem b\u00e1o c\u00e1o chi ti\u1ebft <a href=\"https:\/\/prc.maiatech.com.vn\/UserFiles\/File\/Bao%20cao%20khoa%20hoc\/Dac%20diem%20nong%20sinh%20hoc%20cua%20giong%20lua%20nhap%20noi.pdf\">t\u1ea1i \u0111\u00e2y<\/a><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Ho\u00e0ng Th\u1ecb Lan H\u01b0\u01a1ng, Nguy\u1ec5n Th\u1ecb Xuy\u1ebfn, Nguy\u1ec5n Th\u1ecb Thanh, L\u00e3 Tu\u1ea5n Ngh\u0129a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0 C\u00e2y l\u00faa n\u01b0\u1edbc Oryza sativa L., \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf 114 n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi v\u00e0 l\u00e0 ngu\u1ed3n nu\u00f4i s\u1ed1ng<\/p>\n","protected":false},"author":4,"featured_media":1438,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[47],"tags":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/624"}],"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=624"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/624\/revisions"}],"predecessor-version":[{"id":625,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/624\/revisions\/625"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/1438"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}