{"id":586,"date":"2016-07-22T02:21:57","date_gmt":"2016-07-21T19:21:57","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=586"},"modified":"2016-07-22T02:21:57","modified_gmt":"2016-07-21T19:21:57","slug":"nghien-cuu-chong-hai-gene-chong-chiu-man-va-kho-han-tren-cac-dong-lua-lai-hoi-giao","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nghien-cuu-chong-hai-gene-chong-chiu-man-va-kho-han-tren-cac-dong-lua-lai-hoi-giao\/","title":{"rendered":"Nghi\u00ean c\u1ee9u ch\u1ed3ng hai gene ch\u1ed1ng ch\u1ecbu m\u1eb7n v\u00e0 kh\u00f4 h\u1ea1n tr\u00ean c\u00e1c d\u00f2ng l\u00faa lai h\u1ed3i giao"},"content":{"rendered":"<div class=\"TomTat clearfix\">\n<p>N\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng c\u00f3 th\u1ec3 b\u1ecb gi\u1ea3m t\u1eeb 15 \u0111\u1ebfn 50% do t\u00e1c \u0111\u1ed9ng c\u1ee7a hai y\u1ebfu t\u1ed1 m\u1eb7n v\u00e0 kh\u00f4 h\u1ea1n. Ph\u01b0\u01a1ng ph\u00e1p lai h\u1ed3i giao gi\u00fap cho c\u00e1c gi\u1ed1ng l\u00faa ch\u1ecbu kh\u00f4 h\u1ea1n, ch\u1ecbu m\u1eb7n v\u1ed1n c\u00f3 trong b\u1ed9 gene c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang m\u1ed9t s\u1ed1 d\u00f2ng \u01b0u t\u00fa kh\u00e1c.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"NoiDungBai\">\n<div>\u0110\u1ec3 ph\u1ee5c v\u1ee5 cho ch\u01b0\u01a1ng tr\u00ecnh ch\u1ecdn gi\u1ed1ng c\u00f3 \u0111\u1eb7c t\u00ednh k\u00e9p v\u1eeba ch\u1ecbu h\u1ea1n, v\u1eeba ch\u1ecbu m\u1eb7n, c\u00e1c t\u00e1c gi\u1ea3 Nguy\u1ec5n Th\u1ecb Lang, Nguy\u1ec5n Tr\u1ecdng Ph\u01b0\u1edbc, Ph\u1ea1m C\u00f4ng Tr\u1ee9 (Vi\u1ec7n l\u00faa \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long) v\u00e0 B\u00f9i Ch\u00ed B\u1eedu (Vi\u1ec7n Khoa h\u1ecdc K\u1ef9 thu\u1eadt N\u00f4ng nghi\u1ec7p mi\u1ec1n Nam) \u0111\u00e3 ti\u1ebfn h\u00e0nh \u201cNghi\u00ean c\u1ee9u ch\u1ed3ng hai gen ch\u1ed1ng ch\u1ecbu m\u1eb7n v\u00e0 kh\u00f4 h\u1ea1n tr\u00ean c\u00e1c d\u00f2ng l\u00faa lai h\u1ed3i giao\u201d.<\/div>\n<div><\/div>\n<div>K\u1ebft qu\u1ea3 s\u00e0ng l\u1ecdc c\u1ee7a 200 d\u00f2ng BC2F2 \u00a0t\u1eeb t\u1ed5 h\u1ee3p lai OM7347\/OM5629\/\/OM7347 \u0111\u00e3 \u0111\u00e1nh gi\u00e1 x\u00e1c \u00a0\u0111\u1ecbnh c\u00f3 41 d\u00f2ng s\u1ed1ng s\u00f3t v\u1edbi 37 d\u00f2ng mang gene ch\u1ecbu m\u1eb7n \u1edf n\u1ed3ng \u0111\u1ed9 mu\u1ed1i EC = 8 dS\/m v\u00e0 15 d\u00f2ng ch\u1ecbu m\u1eb7n \u1edf n\u1ed3ng \u0111\u1ed9 mu\u1ed1i EC = 15 dS\/m. Tuy nhi\u00ean khi ph\u00e2n \u00a0t\u00edch ki\u1ec3u gene ch\u1ec9 c\u00f3 7 d\u00f2ng mang gene ch\u1ecbu m\u1eb7n. D\u00f2ng s\u1ed1 4 (BC2F2-155) mang m\u00e3 s\u1ed1 S2 \u2013 D1 v\u00e0 d\u00f2ng s\u1ed1 6 (BC2F2-162) mang m\u00e3 s\u1ed1 S2 \u2013 D2, mang c\u1ea3 hai gene v\u1eeba \u00a0ch\u1ecbu kh\u00f4 h\u1ea1n v\u00e0 v\u1eeba ch\u1ecbu m\u1eb7n. N\u1ed3ng \u00a0\u0111\u1ed9 mu\u1ed1i c\u00e0ng cao s\u1ed1 ng\u00e0y s\u1ed1ng s\u00f3t c\u1ee7a c\u00e1c d\u00f2ng c\u00e0ng th\u1ea5p. Ph\u00e2n t\u00edch ba ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed RM3252-S1-1, RM105 v\u00e0 \u00a0RM201 ghi nh\u1eadn c\u00f3 s\u1ef1 li\u00ean k\u1ebft gi\u1eefa ki\u1ec3u h\u00ecnh v\u00e0 ki\u1ec3u gene. C\u00e1c d\u00f2ng BC th\u1ec3 hi\u1ec7n n\u0103ng su\u1ea5t kh\u00e1 cao trong v\u1ee5 \u0111\u00f4ng xu\u00e2n, \u0111i\u1ec3n h\u00ecnh l\u00e0 d\u00f2ng BC2F2-162 c\u00f3 n\u0103ng su\u1ea5t t\u1edbi 38,4 g\/b\u1ee5i, cao h\u01a1n so v\u1edbi d\u00f2ng \u0111\u1ed1i ch\u1ee9ng.<\/div>\n<div><\/div>\n<div>Nghi\u00ean c\u1ee9u gi\u00fap t\u1ea1o ch\u1ecdn gi\u1ed1ng l\u00faa thu\u1ea7n ch\u1ed1ng ch\u1ecbu m\u1eb7n \u2013 h\u1ea1n th\u00edch nghi v\u1edbi \u0111i\u1ec1u ki\u1ec7n canh t\u00e1c l\u00faa v\u00f9ng nhi\u1ec5m m\u1eb7n, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u th\u1ef1c t\u1ebf c\u1ee7a s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p tr\u01b0\u1edbc s\u1ef1 t\u00e1c \u0111\u1ed9ng ng\u00e0y c\u00e0ng m\u1ea1nh m\u1ebd c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu t\u1ea1i \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long.<\/div>\n<div><\/div>\n<div>Theo T\u1ea1p ch\u00ed NN&amp;PTNT<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>N\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng c\u00f3 th\u1ec3 b\u1ecb gi\u1ea3m t\u1eeb 15 \u0111\u1ebfn 50% do t\u00e1c \u0111\u1ed9ng c\u1ee7a hai y\u1ebfu t\u1ed1 m\u1eb7n v\u00e0 kh\u00f4 h\u1ea1n. Ph\u01b0\u01a1ng ph\u00e1p lai h\u1ed3i giao gi\u00fap cho c\u00e1c gi\u1ed1ng l\u00faa ch\u1ecbu kh\u00f4 h\u1ea1n, ch\u1ecbu m\u1eb7n v\u1ed1n c\u00f3 trong b\u1ed9 gene c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang m\u1ed9t s\u1ed1 d\u00f2ng \u01b0u t\u00fa kh\u00e1c. &nbsp; [&#8230;]\n","protected":false},"author":1,"featured_media":591,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/586"}],"collection":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/comments?post=586"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/586\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/591"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}