{"id":9159,"date":"2009-04-15T04:18:17","date_gmt":"2009-04-14T21:18:17","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/ket-qua-phan-tich-da-dang-di-truyen-loai-go-do-afzelia-xylocarpa-kurz-craib-bang-chi-thi-phan-tu-rapd\/"},"modified":"2013-10-06T09:01:32","modified_gmt":"2013-10-06T02:01:32","slug":"ket-qua-phan-tich-da-dang-di-truyen-loai-go-do-afzelia-xylocarpa-kurz-craib-bang-chi-thi-phan-tu-rapd","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-phan-tich-da-dang-di-truyen-loai-go-do-afzelia-xylocarpa-kurz-craib-bang-chi-thi-phan-tu-rapd\/","title":{"rendered":"K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch \u0111a d\u1ea1ng di truy\u1ec1n lo\u00e0i G\u00f5 \u0111\u1ecf (Afzelia xylocarpa (Kurz) Craib.) b\u1eb1ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed RAPD"},"content":{"rendered":"<p> <strong>Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a<\/strong> &#8211; Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p <\/p>\n<p> <strong>Nguy\u1ec5n \u0110\u1ee9c Th\u00e0nh, Tr\u1ea7n Thu\u1ef3 Linh<\/strong> &#8211; Vi\u1ec7n C\u00f4ng ngh\u1ec7 sinh h\u1ecdc <\/p>\n<p> <strong>I. M\u1ede \u0110\u1ea6U<\/strong> <\/p>\n<p> G\u00f5 \u0111\u1ecf (C\u00e0 te, G\u00f5 c\u00e0 te) c\u00f3 t\u00ean khoa h\u1ecdc l\u00e0 Afzelia xylocarpa (Kurz) Craib (ho\u1eb7c Pahudia xylocarpa Kurz) thu\u1ed9c h\u1ecd \u0110\u1eadu (Leguminosae), h\u1ecd ph\u1ee5 Vang (Caesalpinoideae), l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn, cao t\u1edbi 30 m v\u00e0 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t t\u1edbi 80 &#8211; 100 cm. C\u00e2y s\u1ed1ng trong r\u1eebng nhi\u1ec7t \u0111\u1edbi th\u01b0\u1eddng xanh hay n\u1eeda r\u1ee5ng l\u00e1, c\u00f3 ph\u00e2n b\u1ed1 \u1edf Kon Tum, Gia Lai, \u0110\u1eafc L\u1eafc, Kh\u00e1nh Ho\u00e0 v\u00e0 c\u00e1c t\u1ec9nh v\u00f9ng \u0110\u00f4ng Nam B\u1ed9. Ph\u00e2n b\u1ed1 kh\u00f4ng t\u1eadp trung m\u00e0 g\u1eb7p nh\u01b0 c\u00e1c c\u00e2y c\u00e1 th\u1ec3 r\u1ea3i r\u00e1c c\u00f9ng c\u00e1c lo\u00e0i c\u00e2y kh\u00e1c trong r\u1eebng (Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a, 1999). G\u1ed7 G\u00f5 \u0111\u1ecf r\u1ea5t \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng tr\u00ean th\u1ecb tr\u01b0\u1eddng, \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u1ea3i \u0111\u1ec3 \u0111\u00f3ng \u0111\u1ed3 g\u1ed7, b\u00e0n gh\u1ebf, gi\u01b0\u1eddng t\u1ee7, \u0111\u1ed3 ch\u1ea1m tr\u1ed5 cao c\u1ea5p, \u0111\u1ed3 m\u1ef9 ngh\u1ec7. C\u00e1c &#8220;nu g\u00f5&#8221; r\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb v\u00e0 \u0111\u01b0\u1ee3c b\u00e1n r\u1ea5t \u0111\u1eaft. Ch\u00ednh v\u00ec nh\u1eefng l\u00fd do tr\u00ean m\u00e0 G\u00f5 \u0111\u1ecf \u0111ang b\u1ecb khai th\u00e1c \u0111\u1ebfn c\u1ea1n ki\u1ec7t \u1edf kh\u1eafp n\u01a1i. S\u1ed1 l\u01b0\u1ee3ng c\u00e2y c\u00e1 th\u1ec3 c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn b\u1ecb gi\u1ea3m s\u00fat nhanh ch\u00f3ng v\u00e0 hi\u1ec7n kh\u00f4ng c\u00f2n nhi\u1ec1u. C\u00e1c chuy\u1ebfn kh\u1ea3o s\u00e1t g\u1ea7n \u0111\u00e2y cho th\u1ea5y s\u1ed1 l\u01b0\u1ee3ng c\u00e2y c\u00e1 th\u1ec3 tr\u01b0\u1edfng th\u00e0nh c\u1ee7a lo\u00e0i trong t\u1ed5 th\u00e0nh r\u1eebng t\u1ef1 nhi\u00ean l\u00e0 kh\u00e1 th\u1ea5p, h\u1ea7u h\u1ebft tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 t\u1eebng b\u1ecb khai th\u00e1c nhi\u1ec1u l\u1ea7n, n\u00ean ngu\u1ed3n gen c\u1ee7a lo\u00e0i \u0111\u00e3 b\u1ecb suy gi\u1ea3m m\u1ea1nh. Do v\u1eady vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a lo\u00e0i \u1edf c\u00e1c xu\u1ea5t x\u1ee9 kh\u00e1c nhau l\u00e0 m\u1ed9t nhu c\u1ea7u c\u1ea5p thi\u1ebft g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c khu b\u1ea3o t\u1ed3n in situ v\u00e0 x\u00e2y d\u1ef1ng qu\u1ea7n th\u1ee5 b\u1ea3o t\u1ed3n ex situ.Nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y c\u00e1c ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i trong nghi\u00ean c\u1ee9u ph\u00e2n lo\u1ea1i \u1edf m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng, trong \u0111\u00f3 ch\u1ec9 th\u1ecb RAPD \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1 r\u1ed9ng r\u00e3i b\u1edfi k\u1ef9 thu\u1eadt n\u00e0y \u0111\u01a1n gi\u1ea3n v\u00e0 \u00edt t\u1ed1n k\u00e9m. RAPD \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed1i quan h\u1ec7 ph\u00e1t sinh lo\u00e0i \u1edf c\u00e1c lo\u00e0i Citrus (Federici et al., 1998) Juglans regia (Nicese et al., 1998), c\u00e2y hoa m\u00f5m ch\u00f3 (Jimenez et al., 2005), v\u00e0 c\u00e1c lo\u00e0i Tinospora (Ahmed et al., 2005). \u1edf Vi\u1ec7t Nam, RAPD \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0o nghi\u00ean c\u1ee9u \u0111a d\u1ea1ng di truy\u1ec1n \u1edf lo\u00e0i Lim xanh (Qu\u00e1ch Th\u1ecb Li\u00ean et al., 2004) v\u00e0 lo\u00e0i Tr\u00e0m (Tr\u1ea7n Qu\u1ed1c Tr\u1ecdng et al., 2005).B\u00e0i vi\u1ebft tr\u00ecnh b\u00e0y nh\u1eefng k\u1ebft qu\u1ea3 v\u1ec1 s\u1eed d\u1ee5ng ch\u1ec9 RAPD trong nghi\u00ean c\u1ee9u m\u1ed1i quan h\u1ec7 di truy\u1ec1n gi\u1eefa c\u00e1c xu\u1ea5t x\u1ee9 lo\u00e0i G\u00f5 \u0111\u1ecf nh\u1eb1m \u0111\u01b0a ra \u0111\u1ec1 xu\u1ea5t v\u1ec1 vi\u1ec7c b\u1ea3o t\u1ed3n ngu\u1ed3n gen \u0111\u1ed1i v\u1edbi lo\u00e0i c\u00e2y quan tr\u1ecdng n\u00e0y. <\/p>\n<p> <strong>II. V\u1eacT LI\u1ec6U V\u00c0 PH\u01af\u01a0NG PH\u00c1P<\/strong> <\/p>\n<p> <strong>1. V\u1eadt li\u1ec7u<\/strong> <\/p>\n<p> M\u1eabu l\u00e1 c\u1ee7a 50 c\u00e2y G\u00f5 \u0111\u1ecf \u0111\u01b0\u1ee3c thu h\u00e1i t\u1eeb r\u1eebng t\u1ef1 nhi\u00ean c\u1ee7a 4 t\u1ec9nh (\u0110\u1ed3ng Nai, \u0110\u1eafc L\u1eafc, Gia Lai, Ninh Thu\u1eadn) v\u00e0 1 khu r\u1eebng tr\u1ed3ng 50 tu\u1ed5i \u1edf \u0110\u1eafc L\u1eafc (B\u1ea3ng 1) \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. <\/p>\n","protected":false},"excerpt":{"rendered":"<p><span>G&otilde; \u0111\u1ecf (C&agrave; te, G&otilde; c&agrave; te) c&oacute; t&ecirc;n khoa h\u1ecdc l&agrave; Afzelia xylocarpa (Kurz) Craib (ho\u1eb7c Pahudia xylocarpa Kurz) thu\u1ed9c h\u1ecd \u0110\u1eadu (Leguminosae), h\u1ecd ph\u1ee5 Vang (Caesalpinoideae), l&agrave; lo&agrave;i c&acirc;y g\u1ed7 l\u1edbn, cao t\u1edbi 30 m v&agrave; \u0111\u01b0\u1eddng k&iacute;nh \u0111\u1ea1t t\u1edbi 80 &#8211; 100 cm. C&acirc;y s\u1ed1ng trong r\u1eebng nhi\u1ec7t \u0111\u1edbi th\u01b0\u1eddng xanh hay n\u1eeda r\u1ee5ng l&aacute;, c&oacute; ph&acirc;n b\u1ed1 \u1edf Kon Tum, Gia Lai, \u0110\u1eafc L\u1eafc, Kh&aacute;nh Ho&agrave; v&agrave; c&aacute;c t\u1ec9nh v&ugrave;ng \u0110&ocirc;ng Nam B\u1ed9.<\/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\/9159"}],"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=9159"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9159\/revisions"}],"predecessor-version":[{"id":10613,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9159\/revisions\/10613"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}