{"id":9719,"date":"2012-02-06T02:40:02","date_gmt":"2012-02-05T19:40:02","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/02\/nghien-cuu-cai-thien-giong-nham-tang-nang-suat-chat-luong-cho-mot-so-loai-cay-trong-rung-kinh-te-chu-luc\/"},"modified":"2013-10-06T09:02:32","modified_gmt":"2013-10-06T02:02:32","slug":"nghien-cuu-cai-thien-giong-nham-tang-nang-suat-chat-luong-cho-mot-so-loai-cay-trong-rung-kinh-te-chu-luc","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-cai-thien-giong-nham-tang-nang-suat-chat-luong-cho-mot-so-loai-cay-trong-rung-kinh-te-chu-luc\/","title":{"rendered":"Nghi\u00ean c\u1ee9u c\u1ea3i thi\u1ec7n gi\u1ed1ng nh\u1eb1m t\u0103ng n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng kinh t\u1ebf ch\u1ee7 l\u1ef1c"},"content":{"rendered":"

H\u00e0 Huy Th\u1ecbnh, Nguy\u1ec5n \u0110\u1ee9c Ki\u00ean, Ph\u00ed H\u1ed3ng H\u1ea3i<\/strong> <\/p>\n

\u0110o\u00e0n Th\u1ecb Mai, Mai Trung Ki\u00ean, L\u00ea S\u01a1n v\u00e0 \u0110\u1ed7 H\u1eefu S\u01a1n<\/strong> <\/p>\n

Trung t\u00e2m Nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y r\u1eebng<\/em> <\/p>\n<\/p>\n

T\u00d3M T\u1eaeT<\/strong> <\/p>\n

M\u1ee5c ti\u00eau c\u1ee7a \u0111\u1ec1 t\u00e0i “Nghi\u00ean c\u1ee9u c\u1ea3i thi\u1ec7n gi\u1ed1ng nh\u1eb1m t\u0103ng n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 l\u1ef1c”<\/strong>giai \u0111o\u1ea1n 2006 \u2013 2010 nh\u1eb1m (i) ch\u1ecdn l\u1ecdc \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 gi\u1ed1ng c\u00f3 n\u0103ng su\u1ea5t cao v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng g\u1ed7 t\u1ed1t cho c\u00e1c m\u1ee5c ti\u00eau s\u1eed d\u1ee5ng g\u1ed7 kh\u00e1c nhau; (ii) ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 nh\u00e2n gi\u1ed1ng nhanh h\u00e0ng lo\u1ea1t cho c\u00e1c gi\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n di truy\u1ec1n nh\u1eb1m \u0111\u01b0a nhanh c\u00e1c gi\u1ed1ng n\u00e0y v\u00e0o th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t; (iii) t\u1ea1o l\u1eadp \u0111\u01b0\u1ee3c qu\u1ea7n th\u1ec3 ch\u1ecdn gi\u1ed1ng c\u00f3 t\u00ednh \u0111a d\u1ea1ng di truy\u1ec1n cao cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 l\u1ef1c ph\u1ee5c v\u1ee5 cho m\u1ee5c ti\u00eau c\u1ea3i thi\u1ec7n gi\u1ed1ng trong t\u01b0\u01a1ng lai. <\/p>\n

\u0110\u1ec1 t\u00e0i l\u00e0 s\u1ef1 ti\u1ebfp n\u1ed1i, k\u1ebf th\u1eeba c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u00e0 t\u1eadp \u0111o\u00e0n gi\u1ed1ng c\u00f4ng t\u00e1c c\u00f3 t\u00ednh \u0111a d\u1ea1ng cao \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c \u0111\u1ec1 t\u00e0i v\u00e0 d\u1ef1 \u00e1n trong giai \u0111o\u1ea1n 2000 \u2013 2005. C\u00e1c ho\u1ea1t \u0111\u1ed9ng nghi\u00ean c\u1ee9u ch\u1ee7 y\u1ebfu c\u1ee7a \u0111\u1ec1 t\u00e0i bao g\u1ed3m: <\/p>\n

– Ch\u1ecdn l\u1ecdc c\u00e1c d\u00f2ng v\u00f4 t\u00ednh trong c\u00e1c kh\u1ea3o nghi\u1ec7m gi\u1ed1ng lai c\u0169ng nh\u01b0 gi\u1ed1ng thu\u1ea7n lo\u00e0i c\u00f3 sinh tr\u01b0\u1edfng nhanh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng g\u1ed7 ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0o s\u1ea3n xu\u1ea5t. <\/p>\n

– Nghi\u00ean c\u1ee9u lai gi\u1ed1ng gi\u1eefa c\u00e1c c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb ch\u1ecdn gi\u1ed1ng cao nh\u1ea5t trong c\u00e1c qu\u1ea7n th\u1ec3 ch\u1ecdn gi\u1ed1ng nh\u1eb1m t\u1ea1o ra gi\u1ed1ng lai c\u00f3 \u01b0u th\u1ebf lai v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 sinh tr\u01b0\u1edfng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng g\u1ed7 <\/p>\n

– X\u00e2y d\u1ef1ng c\u00e1c qu\u1ea7n th\u1ec3 ch\u1ecdn gi\u1ed1ng th\u1ebf h\u1ec7 2 c\u00f3 t\u00ednh \u01b0u vi\u1ec7t v\u1ec1 di truy\u1ec1n cao h\u01a1n th\u1ebf h\u1ec7 1 v\u00e0 c\u00f3 m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng di truy\u1ec1n cao ph\u1ee5c v\u1ee5 cho nghi\u00ean c\u1ee9u c\u1ea3i thi\u1ec7n gi\u1ed1ng trong t\u01b0\u01a1ng lai. <\/p>\n

– Nghi\u00ean c\u1ee9u nh\u00e2n gi\u1ed1ng sinh d\u01b0\u1ee1ng h\u00e0ng lo\u1ea1t c\u00e1c gi\u1ed1ng c\u00f3 tri\u1ec3n v\u1ecdng cho tr\u1ed3ng r\u1eebng <\/p>\n

– \u1ee8ng d\u1ee5ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed trong \u0111\u00e1nh gi\u00e1 \u0111a d\u1ea1ng di truy\u1ec1n trong c\u00e1c qu\u1ea7n th\u1ec3 ch\u1ecdn gi\u1ed1ng v\u00e0 v\u01b0\u1eddn gi\u1ed1ng. <\/p>\n

M\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 n\u1ed5i b\u1eadt c\u1ee7a \u0111\u1ec1 t\u00e0i trong giai \u0111o\u1ea1n 2006 \u2013 2010: <\/p>\n

– 19 d\u00f2ng Keo l\u00e1 tr\u00e0m, B\u1ea1ch \u0111\u00e0n camal \u0111\u00e3 \u0111\u01b0\u1ee3c B\u1ed9 n\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n c\u00f4ng nh\u1eadn l\u00e0 gi\u1ed1ng qu\u1ed1c gia v\u00e0 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt cho tr\u1ed3ng r\u1eebng \u1edf c\u00e1c t\u1ec9nh mi\u1ec1n Trung, T\u00e2y Nguy\u00ean v\u00e0 Nam b\u1ed9; 10 kh\u1ea3o nghi\u1ec7m h\u1eadu th\u1ebf\/kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh c\u1ee7a m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u00ednh \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ec9a th\u01b0a di truy\u1ec1n v\u00e0 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 v\u01b0\u1eddn gi\u1ed1ng qu\u1ed1c gia \u0111\u1ec3 cung c\u1ea5p h\u1ea1t gi\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n cho tr\u1ed3ng r\u1eebng <\/p>\n

– \u0110\u00e3 lai t\u1ea1o th\u00e0nh c\u00f4ng 140 t\u1ed5 h\u1ee3p lai c\u1ee7a c\u00e1c lo\u00e0i b\u1ea1ch \u0111\u00e0n, keo v\u00e0 Th\u00f4ng nh\u1ef1a v\u00e0 \u0111\u00e3 ti\u1ebfn h\u00e0nh kh\u1ea3o nghi\u1ec7m tr\u00ean nhi\u1ec1u v\u00f9ng sinh th\u00e1i. \u0110\u00e3 ch\u1ecdn l\u1ecdc \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 t\u1ed5 h\u1ee3p b\u1ea1ch \u0111\u00e0n lai c\u00f3 sinh tr\u01b0\u1edfng nhanh v\u00e0 \u0111\u1ed3ng th\u1eddi \u0111\u00e3 ch\u1ecdn l\u1ecdc \u0111\u01b0\u1ee3c c\u00e1c c\u00e1 th\u1ec3 t\u1ed1t nh\u1ea5t trong c\u00e1c t\u1ed5 h\u1ee3p lai \u0111\u1ec3 kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh, tr\u00ean c\u01a1 s\u1edf \u0111\u00f3 \u0111\u00e3 ch\u1ecdn l\u1ecdc \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 d\u00f2ng b\u1ea1ch \u0111\u00e0n lai c\u00f3 tri\u1ec3n v\u1ecdng cho tr\u1ed3ng r\u1eebng tr\u00ean c\u00e1c v\u00f9ng sinh th\u00e1i kh\u00e1c nhau. <\/p>\n

– Nh\u1eb1m \u0111a d\u1ea1ng h\u00f3a n\u1ec1n t\u1ea3ng di truy\u1ec1n cho ch\u1ed9n gi\u1ed1ng, \u0111\u1ec1 t\u00e0i \u0111\u00e3 ch\u1ecdn l\u1ecdc th\u00eam \u0111\u01b0\u1ee3c 1200 c\u00e2y tr\u1ed9i, t\u1eeb \u0111\u00f3 thu h\u00e1i \u0111\u01b0\u1ee3c 700 l\u00f4 h\u1ea1t v\u00e0 d\u1eabn \u0111\u01b0\u1ee3c 650 d\u00f2ng v\u00f4 t\u00ednh. \u0110\u1ec1 t\u00e0i \u0111\u00e3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c 10ha v\u01b0\u1eddn gi\u1ed1ng th\u1ebf h\u1ec7 2 v\u00e0 6ha v\u01b0\u1eddn t\u1eadp h\u1ee3p t\u1eadp \u0111o\u00e0n gi\u1ed1ng c\u00f4ng t\u00e1c cho c\u00e1c lo\u00e0i b\u1ea1ch \u0111\u00e0n v\u00e0 keo. <\/p>\n

– \u0110\u1ec1 t\u00e0i \u0111\u00e3 ho\u00e0n thi\u1ec7n quy tr\u00ecnh nh\u00e2n gi\u1ed1ng v\u00e0 x\u00e2y d\u1ef1ng 8 h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng b\u1eb1ng nu\u00f4i c\u1ea5y m\u00f4 v\u00e0 gi\u00e2m hom cho c\u00e1c gi\u1ed1ng c\u00f3 tri\u1ec3n v\u1ecdng v\u00e0 x\u00e2y d\u1ef1ng qu\u1ea3n l\u00fd v\u01b0\u1eddn gi\u1ed1ng. <\/p>\n

– Song song v\u1edbi \u0111\u00f3 trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai \u0111\u1ec1 t\u00e0i c\u0169ng \u0111\u00e3 tham gia \u0111\u00e0o t\u1ea1o th\u00e0nh c\u00f4ng cho 3 nghi\u00ean c\u1ee9u sinh v\u00e0 7 th\u1ea1c s\u1ef9 trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc; \u0111\u1ec1 t\u00e0i c\u0169ng \u0111\u00e3 c\u00f4ng b\u1ed1 16 b\u00e0i b\u00e1o tr\u00ean c\u00e1c t\u1ea1p ch\u00ed khoa h\u1ecdc trong n\u01b0\u1edbc v\u00e0 qu\u1ed1c t\u1ebf. <\/p>\n

T\u00f3m l\u1ea1i, \u0111\u1ec1 t\u00e0i “Nghi\u00ean c\u1ee9u c\u1ea3i thi\u1ec7n gi\u1ed1ng nh\u1eb1m t\u0103ng n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 l\u1ef1c”<\/strong>giai \u0111o\u1ea1n 2006 \u2013 2010 \u0111\u00e3 th\u1ef1c hi\u1ec7n th\u00e0nh c\u00f4ng c\u00e1c n\u1ed9i dung nghi\u00ean c\u1ee9u v\u00e0 ho\u00e0n th\u00e0nh c\u00e1c m\u1ee5c ti\u00eau \u0111\u1eb7t ra c\u1ee7a \u0111\u1ec1 t\u00e0i. C\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a \u0111\u1ec1 t\u00e0i s\u1ebd g\u00f3p ph\u1ea7n n\u00e2ng cao n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng tr\u1ed3ng \u1edf n\u01b0\u1edbc ta. V\u1ec1 l\u00e2u d\u00e0i, c\u00e1c t\u1eadp \u0111o\u00e0n gi\u1ed1ng c\u00f4ng t\u00e1c c\u00f3 t\u00ednh \u0111a d\u1ea1ng di truy\u1ec1n cao c\u0169ng nh\u01b0 c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a \u0111\u1ec1 t\u00e0i s\u1ebd g\u00f3p ph\u1ea7n gi\u00fap cho c\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng \u1edf n\u01b0\u1edbc ta ph\u00e1t tri\u1ec3n m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng. <\/p>\n

T\u1eeb kh\u00f3a: <\/strong>C\u1ea3i thi\u1ec7n gi\u1ed1ng, C\u00e2y tr\u1ed3ng ch\u1ee7 l\u1ef1c. <\/p>\n

K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 l\u00e2m nghi\u1ec7p giai \u0111o\u1ea1n 2006-2010 trang 5-15<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"

\nM\u1ee5c tiêu c\u1ee7a \u0111\u1ec1 tài “Nghiên c\u1ee9u c\u1ea3i thi\u1ec7n gi\u1ed1ng nh\u1eb1m t\u0103ng n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng cho m\u1ed9t s\u1ed1 loài cây tr\u1ed3ng r\u1eebng ch\u1ee7 l\u1ef1c” <\/em><\/strong>giai \u0111o\u1ea1n 2006 – 2010 nh\u1eb1m (i) ch\u1ecdn l\u1ecdc \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 gi\u1ed1ng có n\u0103ng su\u1ea5t cao và ch\u1ea5t l\u01b0\u1ee3ng g\u1ed7 t\u1ed1t cho các m\u1ee5c tiêu s\u1eed d\u1ee5ng g\u1ed7 khác nhau; (ii) phát tri\u1ec3n công ngh\u1ec7 nhân gi\u1ed1ng nhanh hàng lo\u1ea1t cho các gi\u1ed1ng \u0111ã \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n di truy\u1ec1n nh\u1eb1m \u0111\u01b0a nhanh các gi\u1ed1ng này vào th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t; (iii) t\u1ea1o l\u1eadp \u0111\u01b0\u1ee3c qu\u1ea7n th\u1ec3 ch\u1ecdn gi\u1ed1ng có tính \u0111a d\u1ea1ng di truy\u1ec1n cao cho m\u1ed9t s\u1ed1 loài cây tr\u1ed3ng r\u1eebng ch\u1ee7 l\u1ef1c ph\u1ee5c v\u1ee5 cho m\u1ee5c tiêu c\u1ea3i thi\u1ec7n gi\u1ed1ng trong t\u01b0\u01a1ng lai.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9719"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9719"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9719\/revisions"}],"predecessor-version":[{"id":11172,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9719\/revisions\/11172"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}