{"id":9904,"date":"2012-11-20T07:32:11","date_gmt":"2012-11-20T00:32:11","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/11\/nghien-cuu-da-dang-di-truyen-cay-dau-rai-dipterocarpus-alatus-roxb-bang-ky-thuat-rapd\/"},"modified":"2015-05-19T13:31:28","modified_gmt":"2015-05-19T06:31:28","slug":"nghien-cuu-da-dang-di-truyen-cay-dau-rai-dipterocarpus-alatus-roxb-bang-ky-thuat-rapd","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-da-dang-di-truyen-cay-dau-rai-dipterocarpus-alatus-roxb-bang-ky-thuat-rapd\/","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111a d\u1ea1ng di truy\u1ec1n c\u00e2y D\u1ea7u r\u00e1i (Dipterocarpus alatus Roxb.) b\u1eb1ng k\u1ef9 thu\u1eadt RAPD"},"content":{"rendered":"

Nguy\u1ec5n Th\u1ecb H\u1ea3i H\u1ed3ng, Tr\u1ea7n Nh\u1eadt Nam, Nguy\u1ec5n Th\u1ecb L\u1ec7 H\u00e0<\/strong><\/p>\n

Ph\u00e2n vi\u1ec7n Nghi\u00ean c\u01b0\u0301u Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam B\u1ed9<\/em><\/p>\n

 <\/p>\n

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

\u0110\u00e1nh gi\u00e1 \u0111a d\u1ea1ng di truy\u1ec1n 41 m\u1eabu l\u00e1 D\u1ea7u r\u00e1i (Dipterocarpus alatus <\/em>Roxb.) thu th\u1eadp t\u1eeb 10 t\u1ec9nh thu\u1ed9c 3 v\u00f9ng sinh th\u00e1i l\u00e2m nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam b\u1eb1ng ch\u1ec9 th\u1ecb RAPD v\u1edbi 18 m\u1ed3i ng\u1eabu nhi\u00ean cho th\u1ea5y c\u00e1c m\u1eabu D\u1ea7u r\u00e1i c\u00f3 \u0111a d\u1ea1ng di truy\u1ec1n kh\u00e1 cao. H\u1ec7 s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed3ng dao \u0111\u1ed9ng trong kho\u1ea3ng 43 – 100%. C\u00e1c m\u1eabu D\u1ea7u r\u00e1i \u0111\u01b0\u1ee3c chia th\u00e0nh 5 nh\u00f3m. Nh\u00f3m I g\u1ed3m c\u00e1c m\u1eabu D-CT-1-4 (T\u00e2n Ph\u00fa, \u0110\u1ed3ng Nai), D-DMC-1-5 (D\u01b0\u01a1ng Minh Ch\u00e2u, T\u00e2y Ninh), D-TP-5,6,11 (\u0110\u1ecbnh Qu\u00e1n, \u0110\u1ed3ng Nai) c\u00f3 kh\u00e1c bi\u1ec7t di truy\u1ec1n 18, 21, 47 v\u00e0 57 % v\u1edbi nh\u00f3m II, III, IV v\u00e0 V; Nh\u00f3m II g\u1ed3m c\u00e1c m\u1eabu D-CP-1-5 (Ch\u01b0 Pr\u00f4ng, Gia Lai), D-ES-2,3,5 (Easup, \u0110\u1eafc L\u1eafc) v\u00e0 m\u1eabu D-TP-1 (\u0110\u1ecbnh Qu\u00e1n, \u0110\u1ed3ng Nai); Nh\u00f3m III g\u1ed3m c\u00e1c m\u1eabu D-BS-1-5 (Ho\u00e0i Nh\u01a1n, B\u00ecnh \u0110\u1ecbnh), D-HTB-1-5 (H\u00e0m Thu\u1eadn B\u1eafc, B\u00ecnh Thu\u1eadn); Nh\u00f3m IV g\u1ed3m c\u00e1c m\u1eabuD-DT-4 v\u00e0 D-DT-5 (\u0110\u1eafc T\u00f4, Kom Tum); v\u00e0 Nh\u00f3m V g\u1ed3m c\u00e1c m\u1eabu c\u00f2n l\u1ea1i D-HCM-2,4,5,6 (Tp. H\u1ed3 Ch\u00ed Minh) v\u00e0 D-TB-2,5,6,7 (T\u00e2n Bi\u00ean, T\u00e2y Ninh).<\/p>\n

T\u1eeb kh\u00f3a: <\/strong>D\u1ea7u r\u00e1i (Dipterocarpus alatus <\/em>Roxb.), <\/em>\u0111a d\u1ea1ng di truy\u1ec1n, RAPD<\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n

D\u1ea7u r\u00e1i (Dipterocarpus alatus <\/em>Roxb.), thu\u1ed9c h\u1ecd D\u1ea7u (Dipterocarpaceae), l\u00e0 lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba g\u1ed7 l\u1edbn th\u01b0\u1eddng xanh, c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao, chi\u1ebfm \u01b0u th\u1ebf trong r\u1eebng m\u01b0a nhi\u1ec7t \u0111\u1edbi. Ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean t\u1ea1i Bangladesh, Campuchia, L\u00e0o, Myanma, \u1ea4n \u0110\u1ed9, Philippin, Th\u00e1i Lan v\u00e0 Vi\u1ec7t Nam; G\u1ed7 t\u1ed1t, th\u00edch h\u1ee3p d\u00f9ng trong x\u00e2y d\u1ef1ng v\u00e0 \u0111\u00f3ng t\u00e0u thuy\u1ec1n; Nh\u1ef1a d\u1ea7u c\u1ee7a c\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 v\u00f4 tr\u00f9ng c\u00e1c v\u1ebft th\u01b0\u01a1ng. D\u1ea7u c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u1ed1t \u0111u\u1ed1c, ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc, m\u1ef1c in tr\u00ean \u0111\u00e1 ho\u1eb7c l\u00e0m ch\u1ea5t \u0111\u00e1nh b\u00f3ng (Appanah v\u00e0 Turnbull, 1998). N\u0103m 2005, B\u1ed9 NN & PTNN quy\u1ebft \u0111\u1ecbnh \u0111\u01b0a lo\u00e0i c\u00e2y D\u1ea7u r\u00e1i v\u00e0o danh m\u1ee5c c\u00e1c lo\u00e0i c\u00e2y ch\u1ee7 y\u1ebfu ti\u00ean phong cho tr\u1ed3ng r\u1eebng s\u1ea3n xu\u1ea5t, r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n v\u00e0 tr\u1ed3ng r\u1eebng c\u1ea3nh quan \u0111\u00f4 th\u1ecb v\u00e0 khu c\u00f4ng nghi\u1ec7p t\u1ea1i ba v\u00f9ng sinh th\u00e1i l\u00e2m nghi\u1ec7p \u0110\u00f4ng Nam B\u1ed9, T\u00e2y Nguy\u00ean v\u00e0 Nam Trung B\u1ed9.<\/p>\n

C\u00e1c th\u00f4ng tin v\u1ec1 \u0111a d\u1ea1ng di truy\u1ec1n l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o t\u1ed3n gen, ch\u1ecdn gi\u1ed1ng v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c lo\u00e0i c\u00e2y r\u1eebng. T\u1ea1i Vi\u1ec7t Nam, ch\u1ec9 th\u1ecb RAPD l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 th\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1 ph\u1ed5 bi\u1ebfn \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111a d\u1ea1ng di truy\u1ec1n \u1edf nhi\u1ec1u lo\u00e0i c\u00e2y l\u00e2m nghi\u1ec7p nh\u01b0 m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y h\u1ecd D\u1ea7u (Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a v\u00e0 c\u1ed9ng s\u1ef1, 2005), Sao l\u00e1 h\u00ecnh tim (Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a v\u00e0 c\u1ed9ng s\u1ef1, 2006), Lim xanh (Qu\u00e1ch Th\u1ecb Li\u00ean v\u00e0 c\u1ed9ng s\u1ef1, 2004), Tr\u00e0m cajuputy (Tr\u1ea7n Qu\u1ed1c Tr\u1ecdng v\u00e0 c\u1ed9ng s\u1ef1, 2005), C\u00f3c h\u00e0nh (Nguy\u1ec5n Vi\u1ec7t C\u01b0\u1eddng, Ph\u1ea1m \u0110\u1ee9c Tu\u1ea5n, 2007) v\u00e0 G\u00f5 \u0111\u1ecf (Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a v\u00e0 c\u1ed9ng s\u1ef1, 2007). Trong nghi\u00ean c\u1ee9u n\u00e0y, ch\u1ec9 th\u1ecb RAPD \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ed1i quan h\u1ec7 di truy\u1ec1n gi\u1eefa c\u00e1c c\u00e2y tr\u1ed9i D\u1ea7u r\u00e1i \u1edf c\u00e1c v\u00f9ng sinh th\u00e1i nh\u1eb1m c\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng cho vi\u1ec7c nghi\u00ean c\u1ee9u ch\u1ecdn gi\u1ed1ng v\u00e0 ph\u00e1t tri\u1ec3n c\u00e2y D\u1ea7u r\u00e1i ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng trong t\u01b0\u01a1ng lai.<\/p>\n

(T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p, s\u1ed1 3 n\u0103m 2012, trang 2293-2301)<\/em><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

<\/p>\n

\n\u0110ánh giá \u0111a d\u1ea1ng di truy\u1ec1n 41 m\u1eabu lá D\u1ea7u rái (Dipterocarpus alatus <\/em>Roxb.) thu th\u1eadp t\u1eeb
\n10 t\u1ec9nh thu\u1ed9c 3 vùng sinh thái lâm nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam b\u1eb1ng ch\u1ec9 th\u1ecb RAPD v\u1edbi 18
\nm\u1ed3i ng\u1eabu nhiên cho th\u1ea5y các m\u1eabu D\u1ea7u rái có \u0111a d\u1ea1ng di truy\u1ec1n khá cao. H\u1ec7 s\u1ed1
\nt\u01b0\u01a1ng \u0111\u1ed3ng dao \u0111\u1ed9ng trong kho\u1ea3ng 43 – 100%. Các m\u1eabu
\nD\u1ea7u rái \u0111\u01b0\u1ee3c chia thành 5 nhóm.<\/span> <\/span>\n<\/div>\n

<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9904"}],"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=9904"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9904\/revisions"}],"predecessor-version":[{"id":15230,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9904\/revisions\/15230"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}