{"id":823,"date":"2017-04-05T09:58:41","date_gmt":"2017-04-05T02:58:41","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=823"},"modified":"2017-04-05T11:00:17","modified_gmt":"2017-04-05T04:00:17","slug":"ket-qua-nghien-cuu-kha-nang-chiu-han-cua-mot-so-mau-giong-lua-tai-ngan-hang-gen-cay-trong-quoc-gia","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=823","title":{"rendered":"K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n c\u1ee7a m\u1ed9t s\u1ed1 m\u1eabu gi\u1ed1ng l\u00faa t\u1ea1i Ng\u00e2n h\u00e0ng gen c\u00e2y tr\u1ed3ng Qu\u1ed1c gia"},"content":{"rendered":"\n\n\n\n
Kh\u00f4 h\u1ea1n l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 h\u1ea1n ch\u1ebf n\u0103ng su\u1ea5t l\u1edbn nh\u1ea5t \u1edf Vi\u1ec7t Nam. S\u1eed d\u1ee5ng gi\u1ed1ng l\u00faa ch\u1ecbu h\u1ea1n c\u00f3 kh\u1ea3 n\u0103ng \u1ed5n \u0111\u1ecbnh n\u0103ng su\u1ea5t v\u00e0 s\u1ea3n l\u01b0\u1ee3ng l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p quan tr\u1ecdng trong chi\u1ebfn l\u01b0\u1ee3c an ninh l\u01b0\u01a1ng th\u1ef1c \u1edf n\u01b0\u1edbc ta. Trong \u0111\u00f3 vi\u1ec7c nghi\u00ean c\u1ee9u, \u0111\u00e1nh gi\u00e1 v\u00e0 cung c\u1ea5p ngu\u1ed3n v\u1eadt li\u1ec7u cho c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh c\u1ea3i ti\u1ebfn gi\u1ed1ng l\u00faa ch\u1ecbu h\u1ea1n c\u00f3 \u00fd ngh\u0129a \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng. Theo \u0111\u00f3 75 m\u1eabu gi\u1ed1ng l\u00faa t\u1eeb ng\u00e2n h\u00e0ng gen c\u00e2y tr\u1ed3ng qu\u1ed1c gia \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n theo ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a IRRI. B\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd dung d\u1ecbch PEG 6000 tr\u00ean 75 m\u1eabu gi\u1ed1ng l\u00faa \u1edf giai \u0111o\u1ea1n m\u1ea1 3 l\u00e1 trong nh\u00e0 l\u01b0\u1edbi t\u1ea1i Trung t\u00e2m t\u00e0i nguy\u00ean th\u1ef1c v\u1eadt \u0111\u00e3 ph\u00e2n l\u1eadp \u0111\u01b0\u1ee3c 4 nh\u00f3m c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu kh\u00e1c nhau \u0111\u1ed1i v\u1edbi s\u1ef1 kh\u00f4 h\u1ea1n. Trong \u0111\u00f3 nh\u00f3m ch\u1ecbu h\u1ea1n kh\u00e1 g\u1ed3m 19 gi\u1ed1ng ch\u1ecbu h\u1ea1n trong ph\u1ea1m vi 0,1-1,0 \u0111i\u1ec3m, nh\u00f3m ch\u1ecbu h\u1ea1n trung b\u00ecnh g\u1ed3m 17 gi\u1ed1ng bao g\u1ed3m c\u1ea3 \u0111\u1ed1i ch\u1ee9ng ch\u1ecbu h\u1ea1n trong ph\u1ea1m vi 1,1-3,0 \u0111i\u1ec3m, nh\u00f3m ch\u1ecbu h\u1ea1n k\u00e9m g\u1ed3m 2 gi\u1ed1ng ch\u1ecbu h\u1ea1n trong ph\u1ea1m vi 3,1-5,0 \u0111i\u1ec3m, nh\u00f3m ch\u1ecbu h\u1ea1n r\u1ea5t k\u00e9m ho\u1eb7c kh\u00f4ng ch\u1ecbu h\u1ea1n g\u1ed3m 37 gi\u1ed1ng ch\u1ecbu h\u1ea1n trong ph\u1ea1m vi t\u1eeb 5,1-9,0 \u0111i\u1ec3m. Tr\u00ean c\u01a1 s\u1edf nghi\u00ean c\u1ee9u, \u0111\u00e1nh gi\u00e1 s\u1ef1 ph\u1ee5c h\u1ed3i \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 9\/75 m\u1eabu gi\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i v\u1edbi 70-100 % s\u1ed1 c\u00e2y sau x\u1eed l\u00fd g\u00e2y h\u1ea1n. K\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1 t\u1ed5ng h\u1ee3p v\u1ec1 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n b\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e3 tuy\u1ec3n ch\u1ecdn \u0111\u01b0\u1ee3c 8 gi\u1ed1ng ch\u1ecbu h\u1ea1n g\u1ed3m c\u00e1c m\u1eabu gi\u1ed1ng mang S\u0110K: 3487, 3489, 3494, 3519, 7815, 14386, 12066 v\u00e0 7811. Ngu\u1ed3n v\u1eadt li\u1ec7u n\u00e0y c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng trong c\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u v\u00e0 c\u1ea3i ti\u1ebfn gi\u1ed1ng l\u00faa ch\u1ecbu h\u1ea1n t\u1ea1i Trung t\u00e2m t\u00e0i nguy\u00ean th\u1ef1c v\u1eadt c\u0169ng nh\u01b0 c\u00e1c c\u01a1 quan nghi\u00ean c\u1ee9u kh\u00e1c \u1edf Vi\u1ec7t Nam.<\/p>\n

Xem b\u00e0i b\u00e1o chi ti\u1ebft t\u1ea1i \u0111\u00e2y<\/a><\/td>\n<\/tr>\n

PGS.TS. L\u00ea Kh\u1ea3 T\u01b0\u1eddng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Kh\u00f4 h\u1ea1n l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 h\u1ea1n ch\u1ebf n\u0103ng su\u1ea5t l\u1edbn nh\u1ea5t \u1edf Vi\u1ec7t Nam. S\u1eed d\u1ee5ng gi\u1ed1ng<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[39],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/823"}],"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=823"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/823\/revisions"}],"predecessor-version":[{"id":824,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/823\/revisions\/824"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}