{"id":585,"date":"2017-03-09T10:36:42","date_gmt":"2017-03-09T03:36:42","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=585"},"modified":"2017-03-09T10:36:42","modified_gmt":"2017-03-09T03:36:42","slug":"nghien-cuu-kha-nang-chiu-man-cua-mot-so-nguon-gen-lua-luu-giu-tai-ngan-hang-gen-cay-trong-quoc-gia","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=585","title":{"rendered":"Nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng ch\u1ecbu m\u1eb7n c\u1ee7a m\u1ed9t s\u1ed1 ngu\u1ed3n gen l\u00faa l\u01b0u gi\u1eef t\u1ea1i ng\u00e2n h\u00e0ng gen c\u00e2y tr\u1ed3ng Qu\u1ed1c gia"},"content":{"rendered":"\n\n\n\n
\u00a0\u00a0\u00a0\u00a0 \u0110\u1ea5t nhi\u1ec5m m\u1eb7n \u0111ang l\u00e0 m\u1ed9t tr\u1edf ng\u1ea1i l\u1edbn trong s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p \u1edf c\u00e1c v\u00f9ng ven bi\u1ec3n tr\u00ean Th\u1ebf gi\u1edbi. B\u0103ng tan \u1edf hai c\u1ef1c c\u00f9ng v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng cao \u0111\u00e3 v\u00e0 \u0111ang t\u00e1c \u0111\u1ed9ng r\u1ea5t l\u1edbn \u0111\u1ebfn s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p, an ninh l\u01b0\u01a1ng th\u1ef1c, \u0111\u1eddi s\u1ed1ng n\u00f4ng d\u00e2n nhi\u1ec1u v\u00f9ng s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p ven bi\u1ec3n.
\n\u1ede Vi\u1ec7t Nam, c\u00e1c t\u1ec9nh \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long, ven bi\u1ec3n B\u1eafc v\u00e0 Nam Trung b\u1ed9 v\u00e0 m\u1ed9t s\u1ed1 t\u1ec9nh \u0111\u1ed3ng b\u1eb1ng B\u1eafc b\u1ed9 \u0111ang b\u1ecb \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng c\u1ee7a v\u1ea5n \u0111\u1ec1 x\u00e2m nh\u1eadp m\u1eb7n. V\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 c\u1ea7n nghi\u00ean c\u1ee9u c\u00e1c gi\u1ea3i ph\u00e1p c\u1ee5 th\u1ec3 nh\u1eb1m \u1ed5n \u0111\u1ecbnh, n\u00e2ng cao n\u0103ng su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 tr\u1ed3ng l\u00faa t\u1ea1i c\u00e1c v\u00f9ng \u0111\u1ea5t nhi\u1ec5m m\u1eb7n tr\u00ean.
\nC\u00e1c nghi\u00ean c\u1ee9u c\u01a1 b\u1ea3n v\u1ec1 \u0111\u1eb7c t\u00ednh ch\u1ecbu m\u1eb7n c\u1ee7a l\u00faa s\u1ebd cung c\u1ea5p th\u00f4ng tin khoa h\u1ecdc r\u1ea5t h\u1eefu \u00edch cho canh t\u00e1c v\u00e0 ch\u1ecdn t\u1ea1o gi\u1ed1ng l\u00faa ch\u1ecbu m\u1eb7n, \u0111\u00e2y c\u0169ng l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ea7n \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng nghi\u00ean c\u1ee9u \u1edf Vi\u1ec7t Nam trong giai \u0111o\u1ea1n hi\u1ec7n nay. Vi\u1ec7c ch\u1ecdn l\u1ef1a c\u00e1c gi\u1ed1ng l\u00faa c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu m\u1eb7n cao, x\u00e2y d\u1ef1ng quy tr\u00ecnh th\u00e2m canh c\u00e1c gi\u1ed1ng l\u00faa trong \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf, t\u1eadp trung khai th\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean di truy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng l\u00e0 vi\u1ec7c l\u00e0m mang t\u00ednh c\u1ea5p thi\u1ebft.
\nV\u1edbi m\u1ee5c \u0111\u00edch t\u00ecm hi\u1ec3u c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sinh l\u00fd trong giai \u0111o\u1ea1n tr\u1ed7 c\u00f3 li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu m\u1eb7n c\u1ee7a m\u1ed9t s\u1ed1 ngu\u1ed3n gen l\u00faa, th\u00ed nghi\u1ec7m \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed v\u1edbi 5 ngu\u1ed3n gen l\u00faa ch\u1ecbu m\u1eb7n v\u00e0 2 gi\u1ed1ng l\u00faa \u0111\u1ed1i ch\u1ee9ng: N\u01b0\u1edbc m\u1eb7n d\u1ea1ng 1 (G1, S\u0110K3443), L\u00faa ch\u0103m (G2, S\u0110K5127), C\u01b0\u1eddm d\u1ea1ng 1 (G3, S\u0110K6188), Chi\u00eam rong (G4, S\u0110K6191), L\u00faa ch\u0103m bi\u1ec3n (G5, S\u0110K6234), IR28 (m\u1eabn c\u1ea3m v\u1edbi m\u1eb7n – \u0111\u1ed1i ch\u1ee9ng 1) v\u00e0 A69-1 (kh\u00e1ng m\u1eb7n – \u0111\u1ed1i ch\u1ee9ng 2).
\nK\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y: c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p v\u00e0 c\u00e1c ch\u1ec9 ti\u00eau li\u00ean quan \u0111\u1ebfn quang h\u1ee3p nh\u01b0 \u0111\u1ed9 nh\u1ea1y kh\u00ed kh\u1ed5ng, h\u00e0m l\u01b0\u1ee3ng CO2 <\/sub>trong gian b\u00e0o, c\u01b0\u1eddng \u0111\u1ed9 tho\u00e1t h\u01a1i n\u01b0\u1edbc, ch\u1ec9 s\u1ed1 SPAD, kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n \u0111i\u1ec7n t\u1eed c\u1ee7a h\u1ec7 quang h\u00f3a II, h\u00e0m l\u01b0\u1ee3ng Chlorophyl c\u1ee7a c\u00e1c ngu\u1ed3n gen l\u00faa \u0111\u1ec1u ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1eb7n, trong \u0111\u00f3 m\u1eb7n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 nh\u1ea1y kh\u00ed kh\u1ed5ng, h\u00e0m l\u01b0\u1ee3ng CO2 trong gian b\u00e0o, c\u01b0\u1eddng \u0111\u1ed9 tho\u00e1t h\u01a1i n\u01b0\u1edbc nhi\u1ec1u h\u01a1n so v\u1edbi SPAD v\u00e0 kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n \u0111i\u1ec7n t\u1eed c\u1ee7a h\u1ec7 quang h\u00f3a II. H\u00e0m l\u01b0\u1ee3ng Chlorophyl trong l\u00e1 c\u0169ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1eb7n, khi t\u0103ng n\u1ed3ng \u0111\u1ed9 x\u1eed l\u00fd m\u1eb7n h\u00e0m l\u01b0\u1ee3ng Chlorophyl c\u1ee7a c\u00e1c ngu\u1ed3n gen gi\u1ea3m. M\u1eb7n c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau h\u00ecnh th\u00e1i c\u1ee7a c\u00e1c ngu\u1ed3n gen l\u00faa nh\u01b0 l\u00e0m ch\u1eadm kh\u1ea3 n\u0103ng \u0111\u1ebb nh\u00e1nh, ra l\u00e1 v\u00e0 h\u1ea1n ch\u1ebf s\u1ef1 sinh tr\u01b0\u1edfng v\u1ec1 chi\u1ec1u cao c\u00e2y. Ngo\u00e0i ra, khi t\u0103ng n\u1ed3ng \u0111\u1ed9 x\u1eed l\u00fd m\u1eb7n kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t kh\u00f4 t\u00edch l\u0169y c\u1ee7a c\u00e1c ngu\u1ed3n gen gi\u1ea3m. K\u1ebft qu\u1ea3 ban \u0111\u1ea7u cho th\u1ea5y 2 ngu\u1ed3n gen C\u01b0\u1eddm d\u1ea1ng 1 v\u00e0 Chi\u00eam rong c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t kh\u00f4 t\u00edch l\u0169y cao nh\u1ea5t, c\u00f3 ti\u1ec1m n\u0103ng cho n\u0103ng su\u1ea5t cao nh\u1ea5t. \u0110\u00e2y l\u00e0 2 ngu\u1ed3n gen c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu m\u1eb7n t\u1ed1t h\u01a1n c\u00e1c ngu\u1ed3n gen c\u00f2n l\u1ea1i.
\nXem b\u00e1o c\u00e1o chi ti\u1ebft t\u1ea1i \u0111\u00e2y<\/a><\/td>\n<\/tr>\n
ThS. D\u01b0\u01a1ng Th\u1ecb H\u1ed3ng Mai, TS. T\u0103ng Th\u1ecb H\u1ea1nh & cs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

\u00a0\u00a0\u00a0\u00a0 \u0110\u1ea5t nhi\u1ec5m m\u1eb7n \u0111ang l\u00e0 m\u1ed9t tr\u1edf ng\u1ea1i l\u1edbn trong s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p \u1edf c\u00e1c v\u00f9ng ven bi\u1ec3n<\/p>\n","protected":false},"author":4,"featured_media":0,"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\/585"}],"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=585"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/585\/revisions"}],"predecessor-version":[{"id":586,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/585\/revisions\/586"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}