{"id":23910,"date":"2025-07-30T08:25:37","date_gmt":"2025-07-30T01:25:37","guid":{"rendered":"https:\/\/vafs.gov.vn\/vn\/?p=23910"},"modified":"2025-09-16T07:27:08","modified_gmt":"2025-09-16T00:27:08","slug":"thong-tin-luan-an-nghien-cuu-sinh-giang-thi-thanh","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/thong-tin-luan-an-nghien-cuu-sinh-giang-thi-thanh\/","title":{"rendered":"Th\u00f4ng tin lu\u1eadn \u00e1n Nghi\u00ean c\u1ee9u sinh Giang Th\u1ecb Thanh."},"content":{"rendered":"<p><strong>T\u00ean lu\u1eadn \u00e1n:<\/strong> <strong>Nghi\u00ean c\u1ee9u b\u1ed5 sung c\u01a1 s\u1edf khoa h\u1ecdc \u0111\u1ec3 b\u1ea3o t\u1ed3n v\u00e0 ph\u00e1t tri\u1ec3n c\u00e2y Th\u1ee7y t\u00f9ng (<em>Glyptostrobus pensilis<\/em> (Staunton ex D. Don) K. Koch) t\u1ea1i T\u00e2y Nguy\u00ean.<\/strong><\/p>\n<p><strong>Ng\u00e0nh \u0111\u00e0o t\u1ea1o<\/strong>: Di truy\u1ec1n v\u00e0 ch\u1ecdn gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p. <strong>M\u00e3 ng\u00e0nh:<\/strong> 9 62 02 07.<\/p>\n<p><strong>H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh<\/strong>: Giang Th\u1ecb Thanh.<\/p>\n<p><strong>H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 h\u01b0\u1edbng d\u1eabn<\/strong>: TS. Nguy\u1ec5n \u0110\u1ee9c Ki\u00ean, TS. Ng\u00f4 V\u0103n C\u1ea7m.<\/p>\n<p><strong>C\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o<\/strong>: Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam.<\/p>\n<p><strong>T\u00d3M T\u1eaeT NH\u1eeeNG K\u1ebeT LU\u1eacN M\u1edaI C\u1ee6A LU\u1eacN \u00c1N:<\/strong><\/p>\n<ul>\n<li>C\u1eadp nh\u1eadt th\u1ef1c tr\u1ea1ng qu\u1ea7n th\u1ec3 Th\u1ee7y t\u00f9ng t\u1ea1i T\u00e2y Nguy\u00ean: hi\u1ec7n nay s\u1ed1 l\u01b0\u1ee3ng Th\u1ee7y t\u00f9ng t\u1ef1 nhi\u00ean l\u00e0 159 c\u00e2y v\u00e0 Th\u1ee7y t\u00f9ng tr\u1ed3ng ph\u00e2n t\u00e1n l\u00e0 200 c\u00e2y. Th\u1ee7y t\u00f9ng sinh tr\u01b0\u1edfng t\u1ed1t khi \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf g\u1ea7n ngu\u1ed3n n\u01b0\u1edbc ho\u1eb7c \u0111\u01b0\u1ee3c t\u01b0\u1edbi \u1ea9m th\u01b0\u1eddng xuy\u00ean, c\u00f3 th\u1ec3 \u0111\u1ea1t t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 2,5 \u0111\u1ebfn 2,8 cm\/n\u0103m. L\u1ea7n \u0111\u1ea7u ti\u00ean ph\u00e1t hi\u1ec7n lo\u00e0i s\u00e2u \u0111\u1ee5c th\u00e2n <em>Zeuzera multistrigata<\/em> g\u00e2y h\u1ea1i Th\u1ee7y t\u00f9ng tr\u1ed3ng t\u1ea1i x\u00e3 Kr\u00f4ng N\u0103ng v\u00e0 t\u1ea1i xa\u0303 Ea Dr\u0103ng, t\u1ec9nh \u0110\u1eafk L\u1eafk.<\/li>\n<li>\u0110\u00e1nh gi\u00e1 \u0111a d\u1ea1ng di truy\u1ec1n v\u00e0 m\u1ed1i quan h\u1ec7 di truy\u1ec1n c\u1ee7a to\u00e0n b\u1ed9 c\u00e1 th\u1ec3 Th\u1ee7y t\u00f9ng t\u1ef1 nhi\u00ean: C\u00e1c qu\u1ea7n th\u1ec3 Th\u1ee7y t\u00f9ng t\u1ef1 nhi\u00ean \u1edf T\u00e2y Nguy\u00ean c\u00f3 m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng di truy\u1ec1n kh\u00e1 th\u1ea5p. C\u00e1c ch\u1ec9 s\u1ed1 \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a hai qu\u1ea7n th\u1ec3 Th\u1ee7y t\u00f9ng: s\u1ed1 alen quan s\u00e1t \u0111\u01b0\u1ee3c N<sub>a<\/sub> = 1,767; s\u1ed1 alen c\u00f3 \u00fd ngh\u0129a N<sub>e<\/sub> = 1,379; h\u1ec7 s\u1ed1 Shannon I = 0,365; h\u1ec7 s\u1ed1 \u0111a d\u1ea1ng di truy\u1ec1n H<sub>e<\/sub> = 0,233 v\u00e0 ph\u1ea7n tr\u0103m \u0111a h\u00ecnh PPB = 80,81%. Kho\u1ea3ng c\u00e1ch di truy\u1ec1n gi\u1eefa c\u00e1c c\u00e1 th\u1ec3 Th\u1ee7y t\u00f9ng nghi\u00ean c\u1ee9u l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, dao \u0111\u1ed9ng t\u1eeb 0,001 \u0111\u1ebfn 0,023. M\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed3ng di truy\u1ec1n cao 97,0%, Th\u1ee7y t\u00f9ng t\u1ea1i T\u00e2y Nguy\u00ean c\u00f9ng l\u00e0 lo\u00e0i Th\u1ee7y t\u00f9ng t\u1ea1i L\u00e0o v\u00e0 Trung Qu\u1ed1c.<\/li>\n<li>B\u1ed5 sung c\u00e1c k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng <a name=\"_Toc187312074\"><\/a><a name=\"_Toc187313979\"><\/a><a name=\"_Toc187314223\"><\/a><a name=\"_Toc194567233\"><\/a>Th\u1ee7y t\u00f9ng b\u1eb1ng <em>in vitro<\/em>, gi\u00e2m hom v\u00e0 gh\u00e9p tr\u00ean r\u1ec5 th\u1edf c\u00e2y m\u1eb9: trong \u0111\u00f3, m\u00f4i tr\u01b0\u1eddng ra r\u1ec5 <em>in vitro<\/em> ph\u00f9 h\u1ee3p l\u00e0 WPM + NAA 30 ppm, v\u1edbi t\u1ef7 l\u1ec7 ra r\u1ec5 \u0111\u1ea1t 54,55%. Gi\u00e2m hom v\u00e0o m\u00f9a kh\u00f4 (th\u00e1ng 3) v\u1edbi k\u00edch th\u01b0\u1edbc hom d\u00e0i 11 \u2013 12 cm, ng\u00e2m g\u1ed1c hom trong dung d\u1ecbch IBA 1.000 ppm trong 2 gi\u1edd cho k\u1ebft qu\u1ea3 cao nh\u1ea5t v\u1edbi t\u1ef7 l\u1ec7 hom ra r\u1ec5 \u0111\u1ea1t 34,29%, v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9 r\u1ec5 t\u1ed1t. Gi\u00e2m hom v\u00e0o m\u00f9a m\u01b0a (th\u00e1ng 9), s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p IBA 1.000 ppm + IAA 800 ppm cho k\u1ebft qu\u1ea3 kh\u1ea3 quan v\u1edbi t\u1ef7 l\u1ec7 hom ra r\u1ec5 20%, cao h\u01a1n r\u00f5 r\u1ec7t so v\u1edbi c\u00f4ng th\u1ee9c s\u1eed d\u1ee5ng IBA 1.000 ppm ch\u1ec9 \u0111\u1ea1t 3,3%, v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9 r\u1ec5 t\u1ed1t. Ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p nh\u00e2n gi\u1ed1ng b\u1eb1ng k\u1ef9 thu\u1eadt gh\u00e9p \u00e1p c\u00e0nh tr\u00ean r\u1ec5 th\u1edf c\u00e2y m\u1eb9 t\u1ef1 nhi\u00ean, sau 22 th\u00e1ng, t\u1ea1i khu v\u1ef1c Ea Dr\u0103ng, t\u1ef7 l\u1ec7 s\u1ed1ng l\u00e0 40,0%, c\u00e2y gh\u00e9p \u0111\u1ea1t \u0111\u01b0\u1eddng k\u00ednh 12,48 mm, v\u00e0 chi\u1ec1u cao 83,59 cm.<\/li>\n<\/ul>\n<p>To\u00e0n v\u0103n Lu\u1eadn \u00e1n:<\/p>\n<p><a href=\"Tr\u00ecnh%20H\u0110\/LUAN%20AN%20FULL\/LUAN%20AN%20-%20Giang%20Thi%20Thanh%20-%20Final.pdf\">Tr\u00ecnh H\u0110\\LUAN AN FULL\\LUAN AN &#8211; Giang Thi Thanh &#8211; Final.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ean lu\u1eadn \u00e1n: Nghi\u00ean c\u1ee9u b\u1ed5 sung c\u01a1 s\u1edf khoa h\u1ecdc \u0111\u1ec3 b\u1ea3o t\u1ed3n v\u00e0 ph\u00e1t tri\u1ec3n c\u00e2y Th\u1ee7y t\u00f9ng (Glyptostrobus pensilis (Staunton ex D. Don) K. Koch) t\u1ea1i T\u00e2y Nguy\u00ean. Ng\u00e0nh \u0111\u00e0o t\u1ea1o: Di truy\u1ec1n v\u00e0 ch\u1ecdn gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p. M\u00e3 ng\u00e0nh: 9 62 02 07. H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh: Giang [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[42],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/23910"}],"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=23910"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/23910\/revisions"}],"predecessor-version":[{"id":23911,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/23910\/revisions\/23911"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=23910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=23910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=23910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}