{"id":9853,"date":"2012-06-19T03:51:57","date_gmt":"2012-06-18T20:51:57","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/06\/danh-gia-tinh-da-dang-di-truyen-cac-vuon-giong-vo-tinh-keo-tai-tuong-bang-chi-thi-vi-ve-tinh\/"},"modified":"2015-05-19T13:25:52","modified_gmt":"2015-05-19T06:25:52","slug":"danh-gia-tinh-da-dang-di-truyen-cac-vuon-giong-vo-tinh-keo-tai-tuong-bang-chi-thi-vi-ve-tinh","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/danh-gia-tinh-da-dang-di-truyen-cac-vuon-giong-vo-tinh-keo-tai-tuong-bang-chi-thi-vi-ve-tinh\/","title":{"rendered":"\u0110\u00e1nh gi\u00e1 t\u00ednh \u0111a d\u1ea1ng di truy\u1ec1n c\u00e1c v\u01b0\u1eddn gi\u1ed1ng v\u00f4 t\u00ednh Keo tai t\u01b0\u1ee3ng b\u1eb1ng ch\u1ec9 th\u1ecb vi v\u1ec7 tinh"},"content":{"rendered":"<p><strong>L\u00ea S\u01a1n, D\u01b0\u01a1ng Th\u1ecb Hoa, H\u00e0 Huy Th\u1ecbnh<\/strong><\/p>\n<p><em>Trung t\u00e2m Nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y r\u1eebng <\/em><\/p>\n<p><em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m Nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/p>\n<p><strong>T\u00d3M T\u1eaeT<\/strong><\/p>\n<p>S\u1eed d\u1ee5ng c\u00e1c ch\u1ec9 th\u1ecb vi v\u1ec7 tinh (microsatellite) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ednh \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a 100 d\u00f2ng v\u00f4 t\u00ednh trong c\u00e1c v\u01b0\u1eddn gi\u1ed1ng Keo tai t\u01b0\u1ee3ng t\u1ea1i Ba V\u00ec (H\u00e0 N\u1ed9i) v\u00e0 C\u1ea7u Hai (Ph\u00fa Th\u1ecd) cho th\u1ea5y c\u00e1c xu\u1ea5t x\u1ee9 trong v\u01b0\u1eddn gi\u1ed1ng c\u00f3 t\u00ednh \u0111a d\u1ea1ng di truy\u1ec1n v\u1edbi s\u1ed1 alen trung b\u00ecnh l\u00e0 3,078, s\u1ed1 alen c\u00f3 hi\u1ec7u l\u1ef1c l\u00e0 2,731, t\u1ef7 l\u1ec7 d\u1ecb h\u1ee3p t\u1eed quan s\u00e1t l\u00e0 0,495, t\u1ef7 l\u1ec7 d\u1ecb h\u1ee3p t\u1eed mong \u0111\u1ee3i l\u00e0 0,437. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u0169ng cho th\u1ea5y t\u1ef7 l\u1ec7 giao ph\u1ed1i c\u1eadn huy\u1ebft trong c\u00e1c v\u01b0\u1eddn gi\u1ed1ng ch\u1ec9 kho\u1ea3ng 14%. C\u00f3 th\u1ec3 chia 8 xu\u1ea5t x\u1ee9 trong v\u01b0\u1eddn th\u00e0nh 4 nh\u00f3m: m\u1ed9t nh\u00f3m g\u1ed3m 5 xu\u1ea5t x\u1ee9, ba nh\u00f3m c\u00f2n l\u1ea1i m\u1ed7i nh\u00f3m g\u1ed3m 1 xu\u1ea5t x\u1ee9 v\u1edbi gi\u00e1 tr\u1ecb kho\u1ea3ng c\u00e1ch di truy\u1ec1n \u1edf m\u1ee9c \u0111\u1ed9 sai kh\u00e1c trung b\u00ecnh. C\u00e1c v\u01b0\u1eddn gi\u1ed1ng v\u00f4 t\u00ednh Keo tai t\u01b0\u1ee3ng v\u1edbi 100 d\u00f2ng c\u00f3 th\u1ec3 \u0111\u1ee7 t\u00ednh \u0111a d\u1ea1ng di truy\u1ec1n v\u00e0 t\u1ef7 l\u1ec7 th\u1ee5 ph\u1ea5n ch\u00e9o c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o gi\u1ed1ng.<\/p>\n<p><strong>T\u1eeb kh\u00f3a<em>:<\/em><\/strong><em><\/em>Keo tai t\u01b0\u1ee3ng, \u0110a d\u1ea1ng di truy\u1ec1n, Ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed, V\u01b0\u1eddn gi\u1ed1ng v\u00f4 t\u00ednh.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>M\u1ede \u0110\u1ea6U <\/strong><\/p>\n<p>Keo tai t\u01b0\u1ee3ng (<em>Acacia mangium<\/em>) l\u00e0 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 y\u1ebfu trong c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh tr\u1ed3ng r\u1eebng c\u1ee7a c\u00e1c n\u01b0\u1edbc ch\u00e2u \u00c1 &#8211; Th\u00e1i B\u00ecnh D\u01b0\u01a1ng b\u1edfi kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng nhanh c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t ngh\u00e8o dinh d\u01b0\u1ee1ng, l\u00e0 ngu\u1ed3n cung c\u1ea5p g\u1ed7 th\u01b0\u01a1ng m\u1ea1i ch\u1ee7 y\u1ebfu \u0111\u1ec3 gi\u1ea3m \u00e1p l\u1ef1c ch\u1eb7t ph\u00e1 r\u1eebng t\u1ef1 nhi\u00ean. Keo tai t\u01b0\u1ee3ng c\u00f3 g\u1ed7 m\u00e0u s\u00e1ng, kh\u00f4ng ch\u1ec9 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn cho s\u1ea3n xu\u1ea5t \u0111\u1ed3 m\u1ed9c gia d\u1ee5ng m\u00e0 c\u00f2n l\u00e0 ngu\u1ed3n cung c\u1ea5p nguy\u00ean li\u1ec7u gi\u1ea5y.<\/p>\n<p>Trong c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 ch\u1ecdn gi\u1ed1ng c\u00e2y r\u1eebng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i Trung t\u00e2m Nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y r\u1eebng, thu\u1ed9c Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam c\u00e1c v\u01b0\u1eddn gi\u1ed1ng v\u00f4 t\u00ednh Keo tai t\u01b0\u1ee3ng ta\u0323i Ba V\u00ec (H\u00e0 N\u1ed9i) v\u00e0 C\u1ea7u Hai (Ph\u00fa Th\u1ecd) \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi 100 d\u00f2ng v\u00f4 t\u00ednh nh\u1eb1m cung c\u1ea5p ngu\u1ed3n gi\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n cho c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh tr\u1ed3ng r\u1eebng c\u0169ng nh\u01b0 l\u00e0m nguy\u00ean li\u1ec7u ban \u0111\u1ea7u cho c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ea3i thi\u1ec7n gi\u1ed1ng Keo tai t\u01b0\u1ee3ng \u1edf n\u01b0\u1edbc ta.<\/p>\n<p>Ch\u1ec9 th\u1ecb di truy\u1ec1n ph\u00e2n t\u1eed (Molercular genetic makers) ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng t\u00e1c c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng, l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng t\u00ednh di truy\u1ec1n c\u1ee7a b\u1ed1 m\u1eb9 tham gia lai gi\u1ed1ng, x\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7 th\u1ee5 ph\u1ea5n ch\u00e9o trong c\u00e1c v\u01b0\u1eddn gi\u1ed1ng c\u0169ng nh\u01b0 m\u1ed1i quan h\u1ec7 di truy\u1ec1n gi\u1eefa c\u00e1c lo\u00e0i, xu\u1ea5t x\u1ee9. \u0110\u00e1nh gi\u00e1 v\u00e0 so s\u00e1nh t\u00ednh \u0111a d\u1ea1ng di truy\u1ec1n trong c\u00e1c v\u01b0\u1eddn gi\u1ed1ng v\u00f4 t\u00ednh l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng d\u00f2ng v\u00f4 t\u00ednh v\u00e0 thi\u1ebft k\u1ebf c\u00e1c ph\u00e9p lai nh\u00e2n t\u1ea1o, qu\u1ea3n l\u00fd c\u00e1c v\u01b0\u1eddn gi\u1ed1ng trong c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ch\u1ecdn gi\u1ed1ng c\u00e2y r\u1eebng.<\/p>\n<p>Nghi\u00ean c\u1ee9u t\u00ednh \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a 100 d\u00f2ng v\u00f4 t\u00ednht\u1eeb 8 xu\u1ea5t x\u1ee9 trong v\u01b0\u1eddn gi\u1ed1ng b\u1eb1ng 8 ch\u1ec9 th\u1ecb v\u1ec7 tinh (microsatellite) ngo\u00e0i vi\u1ec7c \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng di truy\u1ec1n c\u1ee7a v\u01b0\u1eddn gi\u1ed1ng c\u00f2n c\u00f3 \u00fd ngh\u0129a trong vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c c\u1eb7p b\u1ed1 m\u1eb9 lai gi\u1ed1ng v\u00e0 x\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau ch\u1ecdn gi\u1ed1ng v\u00e0 nh\u00e2n gi\u1ed1ng v\u00f4 t\u00ednh trong c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e1c lo\u00e0i keo \u1edf n\u01b0\u1edbc ta.<\/p>\n<p><em>T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p s\u1ed1 1, n\u0103m 2012, trang 2077-2084<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p><!--[if gte mso 9]><xml>\n<w:WordDocument>\n<w:View>Normal<\/w:View>\n<w:Zoom>0<\/w:Zoom>\n<w:PunctuationKerning\/>\n<w:ValidateAgainstSchemas\/>\n<w:SaveIfXMLInvalid>false<\/w:SaveIfXMLInvalid>\n<w:IgnoreMixedContent>false<\/w:IgnoreMixedContent>\n<w:AlwaysShowPlaceholderText>false<\/w:AlwaysShowPlaceholderText>\n<w:Compatibility>\n<w:BreakWrappedTables\/>\n<w:SnapToGridInCell\/>\n<w:WrapTextWithPunct\/>\n<w:UseAsianBreakRules\/>\n<w:DontGrowAutofit\/>\n<\/w:Compatibility>\n<w:BrowserLevel>MicrosoftInternetExplorer4<\/w:BrowserLevel>\n<\/w:WordDocument>\n<\/xml><![endif]--><!--[if gte mso 9]><xml>\n<w:LatentStyles DefLockedState=\"false\" LatentStyleCount=\"156\">\n<\/w:LatentStyles>\n<\/xml><![endif]--><!--[if gte mso 10]>\n\n\n<style>\n\/* Style Definitions *\/\ntable.MsoNormalTable\n{mso-style-name:\"Table Normal\";\nmso-tstyle-rowband-size:0;\nmso-tstyle-colband-size:0;\nmso-style-noshow:yes;\nmso-style-parent:\"\";\nmso-padding-alt:0cm 5.4pt 0cm 5.4pt;\nmso-para-margin:0cm;\nmso-para-margin-bottom:.0001pt;\nmso-pagination:widow-orphan;\nfont-size:10.0pt;\nfont-family:\"Times New Roman\";\nmso-ansi-language:#0400;\nmso-fareast-language:#0400;\nmso-bidi-language:#0400;}\n<\/style>\n\n\n<![endif]--><\/p>\n<div align=\"justify\">\n<span style=\"font-size: 10pt; font-family: Arial\">S\u1eed d\u1ee5ng c&aacute;c ch\u1ec9 th\u1ecb vi v\u1ec7 tinh (microsatellite) \u0111\u1ec3<br \/>\n\u0111&aacute;nh gi&aacute; t&iacute;nh \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a 100 d&ograve;ng v&ocirc; t&iacute;nh trong c&aacute;c v\u01b0\u1eddn gi\u1ed1ng Keo<br \/>\ntai t\u01b0\u1ee3ng t\u1ea1i Ba V&igrave; (H&agrave; N\u1ed9i) v&agrave; C\u1ea7u Hai (Ph&uacute; Th\u1ecd) cho th\u1ea5y c&aacute;c xu\u1ea5t x\u1ee9 trong<br \/>\nv\u01b0\u1eddn gi\u1ed1ng c&oacute; t&iacute;nh \u0111a d\u1ea1ng di truy\u1ec1n v\u1edbi s\u1ed1 alen trung b&igrave;nh l&agrave; 3,078, <span class=\"apple-style-span\">s\u1ed1 alen c&oacute; hi\u1ec7u l\u1ef1c l&agrave; 2,731<\/span>, t\u1ef7 l\u1ec7 d\u1ecb h\u1ee3p t\u1eed<br \/>\nquan s&aacute;t l&agrave; 0,495, t\u1ef7 l\u1ec7 d\u1ecb h\u1ee3p t\u1eed mong \u0111\u1ee3i l&agrave; 0,437. K\u1ebft qu\u1ea3 nghi&ecirc;n c\u1ee9u c\u0169ng<br \/>\ncho th\u1ea5y t\u1ef7 l\u1ec7 giao ph\u1ed1i c\u1eadn huy\u1ebft trong c&aacute;c v\u01b0\u1eddn gi\u1ed1ng ch\u1ec9 kho\u1ea3ng 14%.<\/span>\n<\/div>\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\/9853"}],"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=9853"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9853\/revisions"}],"predecessor-version":[{"id":15209,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9853\/revisions\/15209"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}