{"id":6159,"date":"2014-08-01T09:57:03","date_gmt":"2014-08-01T02:57:03","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=2962"},"modified":"2014-08-01T09:57:03","modified_gmt":"2014-08-01T02:57:03","slug":"danh-gia-giong-lua-ban-dia-cua-viet-nam-thong-qua-chi-thi-ssrs-va-cac-tinh-trang-hinh-thai-hoc","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/danh-gia-giong-lua-ban-dia-cua-viet-nam-thong-qua-chi-thi-ssrs-va-cac-tinh-trang-hinh-thai-hoc\/","title":{"rendered":"\u0110\u00e1nh gi\u00e1 gi\u1ed1ng l\u00faa b\u1ea3n \u0111\u1ecba c\u1ee7a Vi\u1ec7t Nam th\u00f4ng qua ch\u1ec9 th\u1ecb SSRs v\u00e0 c\u00e1c t\u00ednh tr\u1ea1ng h\u00ecnh th\u00e1i h\u1ecdc"},"content":{"rendered":"

Nh\u00f3m t\u00e1c gi\u1ea3 g\u1ed3m c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a Vi\u1ec7n L\u00faa \u0110\u1ed3ng B\u1eb1ng S\u00f4ng C\u1eedu Long, Vi\u1ec7n Khoa h\u1ecdc K\u1ef9 thu\u1eadt N\u00f4ng nghi\u1ec7p mi\u1ec1n Nam, Vi\u1ec7t Nam v\u00e0 Vi\u1ec7n Nghi\u00ean c\u1ee9u L\u00faa g\u1ea1o qu\u1ed1c t\u1ebf, Phillipines \u0111\u00e3 c\u00f4ng b\u1ed1 \u0111\u00e1nh gi\u00e1 gi\u1ed1ng l\u00faa b\u1ea3n \u0111\u1ecba c\u1ee7a Vi\u1ec7t Nam th\u00f4ng qua ch\u1ec9 th\u1ecb SSRs v\u00e0 c\u00e1c t\u00ednh tr\u1ea1ng h\u00ecnh th\u00e1i h\u1ecdc.<\/p>\n

Th\u00f4ng tin v\u1ec1 \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a nh\u1eefng gi\u1ed1ng l\u00faa \u0111\u1ecba ph\u01b0\u01a1ng l\u00e0m v\u1eadt li\u1ec7u b\u1ed1 m\u1eb9 trong c\u00e1c t\u1ed5 h\u1ee3p lai v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau ch\u1ecdn t\u1ea1o gi\u1ed1ng l\u00faa. Ch\u1ecdn 100 m\u1eabu gi\u1ed1ng l\u00faa b\u1ea3n \u0111\u1ecba \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong ng\u00e2n h\u00e0ng gen c\u1ee7a Vi\u1ec7n L\u00faa \u0110BSCL, Vi\u1ec7t Nam, ch\u00fang \u0111\u01b0\u1ee3c tr\u1ed3ng v\u00e0 ly tr\u00edch DNA \u0111\u1ec3 nghi\u00ean c\u1ee9u \u0111a d\u1ea1ng di truy\u1ec1n th\u00f4ng qua ch\u1ec9 th\u1ecb SSRs.
\nM\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u n\u00e0y nh\u1eb1m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng di truy\u1ec1n v\u1edbi 55 ch\u1ec9 th\u1ecb bi\u1ec3u hi\u1ec7n \u0111a h\u00ecnh m\u1ea1nh m\u1ebd trong 100 m\u1eabu gi\u1ed1ng l\u00faa n\u00e0y. K\u1ebft qu\u1ea3 ph\u00e2n ra b\u1ed1n nh\u00f3m di truy\u1ec1n kh\u00e1c bi\u1ec7t nhau tr\u00ean c\u01a1 s\u1edf ch\u1ec9 s\u1ed1 \u0111a d\u1ea1ng l\u00e0 0,60. M\u1ed9t v\u00e0i m\u1eabu gi\u1ed1ng tuy tr\u00f9ng t\u00ean nh\u01b0ng \u0111\u1ecbnh v\u1ecb t\u1ea1i c\u00e1c nh\u00f3m di truy\u1ec1n ho\u00e0n to\u00e0n kh\u00e1c nhau theo ph\u00e2n t\u00edch \u1edf m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u1eed v\u1edbi k\u1ebft qu\u1ea3 bi\u1ebfn d\u1ecb truy\u1ec1n truy\u1ec1n l\u1edbn. B\u00ean c\u1ea1nh \u0111\u00f3, nh\u1eefng t\u00ednh tr\u1ea1ng n\u00f4ng h\u1ecdc quan tr\u1ecdng nh\u01b0 t\u00ednh tr\u1ea1ng v\u00e0o ch\u1eafc c\u1ee7a h\u1ea1t, th\u00f4ng qua t\u1ef7 l\u1ec7 h\u1ea1t ch\u1eafc (bi\u1ebfn thi\u00ean 80,30%-94,38%), t\u1ef7 l\u1ec7 h\u1ea1t l\u00e9p (bi\u1ebfn thi\u00ean 5,63%-60,02%).<\/p>\n

\u0110\u00e2y l\u00e0 nh\u1eefng t\u00ednh tr\u1ea1ng bi\u1ec3u hi\u1ec7n \u1ed5n \u0111\u1ecbnh nh\u1ea5t, ph\u1ea3n \u00e1nh ki\u1ec3u gen c\u1ee7a t\u1eebng m\u1eabu gi\u1ed1ng b\u1ea3n \u0111\u1ecba th\u00f4ng qua ch\u1ec9 s\u1ed1 bi\u1ebfn thi\u00ean c\u1ee7a ch\u00fang (coefficients of variability). Gi\u00e1 tr\u1ecb cao nh\u1ea5t c\u1ee7a t\u1ef7 l\u1ec7 h\u1ea1t l\u00e9p ph\u1ea3n \u00e1nh \u0111\u00e2y l\u00e0 t\u00ednh tr\u1ea1ng b\u1ecb \u1ea3nh h\u01b0\u1edfng m\u1ea1nh m\u1ebd b\u1edfi m\u00f4i tr\u01b0\u1eddng v\u00e0 k\u1ef9 thu\u1eadt canh t\u00e1c c\u1ee7a n\u00f4ng d\u00e2n. T\u01b0\u01a1ng t\u1ef1, t\u00ednh tr\u1ea1ng chi\u1ec1u cao c\u00e2y bi\u1ebfn thi\u00ean t\u1eeb 78,75 \u0111\u1ebfn 139,75 cm. Trong \u0111\u00f3, n\u0103ng su\u1ea5t h\u1ea1t bi\u1ebfn thi\u00ean cao nh\u1ea5t (3,10\u2013105,16 g\/ kh\u00f3m l\u00faa) v\u00e0 m\u1ee9c \u0111\u1ed9 s\u1ed1ng s\u00f3t khi x\u1eed l\u00fd stress m\u1eb7n l\u00e0 21-30 ng\u00e0y (4dS\/m) ho\u00e0n to\u00e0n cung c\u1ea5p cho c\u00e1c nh\u00e0 ch\u1ecdn gi\u1ed1ng nhi\u1ec1u tri\u1ec3n v\u1ecdng trong c\u1ea3i ti\u1ebfn gi\u1ed1ng l\u00faa.
\n\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ee5c ti\u00eau c\u1ee7a ch\u1ecdn t\u1ea1o gi\u1ed1ng l\u00faa c\u1ea3i ti\u1ebfn. Tr\u00ean c\u01a1 s\u1edf k\u1ebft qu\u1ea3 t\u00ednh tr\u1ea1ng n\u00f4ng h\u1ecdc quan tr\u1ecdng, ANOVA ph\u1ea3n \u00e1nh c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c bi\u1ec7t c\u00f3 \u00fd ngh\u0129a v\u1ec1 th\u1ed1ng k\u00ea trong 100 gi\u1ed1ng l\u00faa b\u1ea3n \u0111\u1ecba n\u00e0y. Ch\u1ec9 s\u1ed1 \u0111a d\u1ea1ng chu\u1ea9n theo Shannon-Weaver \u0111\u1ed1i v\u1edbi c\u00e1c t\u00ednh tr\u1ea1ng s\u1ed1 l\u01b0\u1ee3ng \u1ea5y bi\u1ebfn \u0111\u1ed9ng trong qu\u00e3ng 0,68 \u2013 0,95 v\u1edbi gi\u00e1 tr\u1ecb trung b\u00ecnh H\u2019 = 0,79. Ph\u00e2n t\u00edch x\u1ebfp nh\u00f3m theo UPGMA \u0111\u1ed1i v\u1edbi 100 gi\u1ed1ng l\u00faa \u0111\u1ecba ph\u01b0\u01a1ng n\u00e0y cho ra 3 nh\u00f3m di truy\u1ec1n kh\u00e1c nhau theo h\u00ecnh th\u00e1i h\u1ecdc.<\/p>\n

Xem b\u1ea3n g\u1ed1c ti\u1ebfng ANH \u0111\u00ednh k\u00e8m –\u00a0SABRAO Journal of Breeding and Genetics; July 2014; 46 (1): 1-20<\/strong><\/p>\n

http:\/\/www.sabrao.org<\/a><\/strong><\/p>\n

Theo Ph\u00f2ng Qu\u1ea3n l\u00fd ngu\u1ed3n gen v\u00e0 An to\u00e0n sinh h\u1ecdc<\/p>\n

C\u1ee5c B\u1ea3o t\u1ed3n \u0111a d\u1ea1ng sinh h\u1ecdc<\/p>\n","protected":false},"excerpt":{"rendered":"

Nh\u00f3m t\u00e1c gi\u1ea3 g\u1ed3m c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a Vi\u1ec7n L\u00faa \u0110\u1ed3ng B\u1eb1ng S\u00f4ng C\u1eedu Long, Vi\u1ec7n Khoa h\u1ecdc K\u1ef9 thu\u1eadt N\u00f4ng nghi\u1ec7p mi\u1ec1n Nam, Vi\u1ec7t Nam v\u00e0 Vi\u1ec7n Nghi\u00ean c\u1ee9u L\u00faa g\u1ea1o qu\u1ed1c t\u1ebf, Phillipines \u0111\u00e3 c\u00f4ng b\u1ed1 \u0111\u00e1nh gi\u00e1 gi\u1ed1ng l\u00faa b\u1ea3n \u0111\u1ecba c\u1ee7a Vi\u1ec7t Nam th\u00f4ng qua ch\u1ec9 th\u1ecb SSRs v\u00e0 c\u00e1c t\u00ednh tr\u1ea1ng h\u00ecnh th\u00e1i h\u1ecdc.<\/p>\n","protected":false},"author":1,"featured_media":2963,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6159"}],"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=6159"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6159\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/2963"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}