{"id":660,"date":"2017-03-09T14:23:18","date_gmt":"2017-03-09T07:23:18","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=660"},"modified":"2017-03-09T14:23:19","modified_gmt":"2017-03-09T07:23:19","slug":"nghien-cuu-dac-diem-hinh-thai-va-nong-sinh-hoc-cua-nguon-gen-lua-dia-phuong-2","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=660","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i v\u00e0 n\u00f4ng sinh h\u1ecdc c\u1ee7a ngu\u1ed3n gen l\u00faa \u0111\u1ecba ph\u01b0\u01a1ng"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td colspan=\"2\">Hi\u1ec7n nay, t\u1ef7 l\u1ec7 l\u00faa Chi\u00eam trong s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p ch\u1ec9 c\u00f2n r\u1ea5t th\u1ea5p. Tuy nhi\u00ean, nh\u1eefng gi\u00e1 tr\u1ecb \u0111em l\u1ea1i t\u1eeb vi\u1ec7c duy tr\u00ec v\u00e0 s\u1ea3n xu\u1ea5t l\u00faa Chi\u00eam l\u00e0 r\u1ea5t l\u1edbn. T\u1ea1i Ng\u00e2n h\u00e0ng gen c\u00e2y tr\u1ed3ng Qu\u1ed1c gia (Trung t\u00e2m T\u00e0i nguy\u00ean th\u1ef1c v\u1eadt) \u0111ang l\u01b0u gi\u1eef tr\u00ean 600 m\u1eabu gi\u1ed1ng l\u00faa Chi\u00eam. Theo th\u00f4ng tin b\u1ea3n \u0111\u1ecba khi thu th\u1eadp ngu\u1ed3n gen, c\u00f3 nhi\u1ec1u m\u1eabu gi\u1ed1ng c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh qu\u00fd nh\u01b0: n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 kh\u00e1ng \u0111\u1ea1o \u00f4n, b\u1ea1c l\u00e1, ch\u1ecbu m\u1eb7n, ch\u1ecbu h\u1ea1n, ch\u1ecbu chua ph\u00e8n, ch\u1ecbu ngh\u00e8o l\u00e2n, ch\u1ecbu r\u00e9t&#8230; \u0110\u00e2y l\u00e0 nh\u1eefng ngu\u1ed3n v\u1eadt li\u1ec7u qu\u00fd ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c ch\u1ecdn t\u1ea1o gi\u1ed1ng l\u00faa th\u00edch \u1ee9ng v\u1edbi bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu.<\/p>\n<p>V\u00ec v\u1eady, \u201c<em>Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m n\u00f4ng sinh h\u1ecdc c\u1ee7a m\u1ed9t s\u1ed1 m\u1eabu gi\u1ed1ng l\u00faa ph\u1ee5c v\u1ee5 b\u1ea3o t\u1ed3n v\u00e0 s\u1eed d\u1ee5ng ngu\u1ed3n gen<\/em>\u201d th\u00f4ng qua m\u00f4 t\u1ea3, \u0111\u00e1nh gi\u00e1, t\u01b0 li\u1ec7u h\u00f3a nh\u1eefng m\u1eabu gi\u1ed1ng l\u00faa n\u00e0y l\u00e0 vi\u1ec7c l\u00e0m r\u1ea5t c\u1ea7n thi\u1ebft trong giai \u0111o\u1ea1n hi\u1ec7n nay.<\/p>\n<p>V\u1eadt li\u1ec7u nghi\u00ean c\u1ee9u l\u00e0 62 m\u1eabu gi\u1ed1ng l\u00faa \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi Trung t\u00e2m T\u00e0i nguy\u00ean th\u1ef1c v\u1eadt.<\/p>\n<p>Th\u00f4ng qua \u0111\u00e1nh gi\u00e1 \u0111\u1eb7c \u0111i\u1ec3m n\u00f4ng sinh h\u1ecdc c\u1ee7a 62 m\u1eabu gi\u1ed1ng l\u00faa, \u0111\u1ec1 t\u00e0i \u0111\u00e3 thu \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 sau:<\/p>\n<p>1. C\u00e1c m\u1eabu gi\u1ed1ng l\u00faa c\u00f3 chi\u00ea\u0300u cao t\u1eeb trung bi\u0300nh (110,4cm) \u0111\u00ea\u0301n lo\u1ea1i h\u00ecnh cao c\u00e2y (172,39 cm); g\u00f3c l\u00e1 \u0111\u00f2ng: c\u00f3 25 m\u1eabu gi\u1ed1ng \u0111\u1ea1t m\u1ee9c \u0111i\u1ec3m 1, 19 m\u1eabu gi\u1ed1ng \u0111\u1ea1t m\u1ee9c \u0111i\u1ec3m 3, 16 m\u1eabu gi\u1ed1ng \u0111\u1ea1t m\u1ee9c \u0111i\u1ec3m 5 v\u00e0 c\u00f3 02 m\u1eabu gi\u1ed1ng \u0111\u1ea1t m\u1ee9c \u0111i\u1ec3m 7; \u0111\u1ed9 c\u1ee9ng c\u00e2y: c\u00f3 10 m\u1eabu gi\u1ed1ng l\u00faa \u0111\u1ea1t m\u1ee9c \u0111i\u1ec3m 9, 23 m\u1eabu gi\u1ed1ng l\u00faa \u0111\u1ea1t m\u1ee9c \u0111i\u1ec3m 7, 07 m\u1eabu gi\u1ed1ng l\u00faa \u0111\u1ea1t m\u1ee9c \u0111i\u1ec3m 5, 06 m\u1eabu gi\u1ed1ng l\u00faa \u0111\u1ea1t m\u1ee9c \u0111i\u1ec3m 3 v\u00e0 06 m\u1eabu gi\u1ed1ng l\u00faa \u0111\u1ea1t m\u1ee9c \u0111i\u1ec3m 1; th\u1eddi gian sinh tr\u01b0\u1edfng dao \u0111\u1ed9ng t\u1eeb 181 ng\u00e0y \u0111\u1ebfn 227 ng\u00e0y, t\u1ea5t c\u1ea3 c\u00e1c m\u1eabu gi\u1ed1ng l\u00faa \u0111\u1ec1u c\u00f3 th\u1eddi gian sinh tr\u01b0\u1edfng thu\u1ed9c nh\u00f3m d\u00e0i ng\u00e0y.<\/p>\n<p>2. S\u1ed1 b\u00f4ng h\u1eefu hi\u1ec7u\/kh\u00f3m dao \u0111\u1ed9ng t\u1eeb 4,20 b\u00f4ng\/kh\u00f3m\u0111\u1ebfn 8,10 b\u00f4ng\/kh\u00f3m; s\u1ed1 h\u1ea1t ch\u1eafc tr\u00ean b\u00f4ng dao \u0111\u1ed9ng t\u1eeb 64 h\u1ea1t\/b\u00f4ng \u0111\u1ebfn 120,9 h\u1ea1t\/b\u00f4ng, trung b\u00ecnh \u0111\u1ea1t 94,31 h\u1ea1t\/b\u00f4ng; s\u1ed1 h\u1ea1t l\u00e9p\/b\u00f4ng dao \u0111\u1ed9ng t\u1eeb 8,2 h\u1ea1t\/b\u00f4ng \u0111\u1ebfn 42,2 h\u1ea1t\/b\u00f4ng; kh\u1ed1i l\u01b0\u1ee3ng ngh\u00ecn h\u1ea1t\u00a0 dao \u0111\u1ed9ng t\u1eeb 17,2 g \u0111\u1ebfn 29,6 g, trung b\u00ecnh \u0111\u1ea1t 22,24 g; n\u0103ng su\u1ea5t l\u00fd thuy\u1ebft dao \u0111\u1ed9ng t\u1eeb 22,47 t\u1ea1\/ha \u0111\u1ebfn 55,26 t\u1ea1\/ha, trung b\u00ecnh \u0111\u1ea1t 37,18 t\u1ea1\/ha; x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 05 m\u1eabu gi\u1ed1ng l\u00faa: Chi\u00eam s\u1ed1 1, Chi\u00eam l\u1ed1c Ngh\u1ec7 An, D\u00f2ng chi\u00eam 4, S\u00e0i Nam \u0110\u1ecbnh, T\u00e9p H\u1ea3i Ph\u00f2ng c\u00f3 ti\u1ec1m n\u0103ng v\u1ec1 n\u0103ng su\u1ea5t c\u00f3 th\u1ec3 d\u00f9ng cho c\u00f4ng t\u00e1c b\u1ea3o t\u1ed3n v\u00e0 s\u1eed d\u1ee5ng ngu\u1ed3n gen.<\/p>\n<p>3. Th\u00f4ng qua s\u1eed d\u1ee5ng ch\u1ec9 th\u1ecb h\u00ecnh th\u00e1i cho th\u1ea5y m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a c\u00e1c m\u1eabu gi\u1ed1ng l\u00faa nghi\u00ean c\u1ee9u l\u00e0 r\u1ea5t cao, h\u1ec7 s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed3ng di truy\u1ec1n dao \u0111\u1ed9ng t\u1eeb 6 \u0111\u1ebfn 45% trung b\u00ecnh l\u00e0 25,5%; \u1edf m\u1ee9c t\u01b0\u01a1ng \u0111\u1ed3ng 16%, k\u1ebft qu\u1ea3 ph\u00e2n nh\u00f3m Euclidean-UPGMA \u0111\u00e3 ph\u00e2n 62 m\u1eabu gi\u1ed1ng l\u00faa th\u00e0nh 07 nh\u00f3m ch\u00ednh.<\/p>\n<p>Xem b\u00e1o c\u00e1o chi ti\u1ebft <a href=\"https:\/\/prc.maiatech.com.vn\/UserFiles\/File\/Bao%20cao%20khoa%20hoc\/7.%20Nghien%20cuu%20dac%20diem%20hinh%20thai%20va%20nong%20sinh%20hoc%20cua%20nguon%20gen%20lua%20dia%20phuong%20VN.pdf\">t\u1ea1i \u0111\u00e2y<\/a><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Nguy\u1ec5n Th\u1ecb Quy\u00ean &amp; cs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec7n nay, t\u1ef7 l\u1ec7 l\u00faa Chi\u00eam trong s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p ch\u1ec9 c\u00f2n r\u1ea5t th\u1ea5p. Tuy nhi\u00ean, nh\u1eefng gi\u00e1 tr\u1ecb<\/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\/660"}],"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=660"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/660\/revisions"}],"predecessor-version":[{"id":661,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/660\/revisions\/661"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}