{"id":9820,"date":"2012-04-13T02:55:58","date_gmt":"2012-04-12T19:55:58","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/04\/nghien-cuu-tuyen-chon-giong-thong-nhua-khang-sau-rom-thong\/"},"modified":"2019-09-24T15:46:36","modified_gmt":"2019-09-24T08:46:36","slug":"nghien-cuu-tuyen-chon-giong-thong-nhua-khang-sau-rom-thong","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-tuyen-chon-giong-thong-nhua-khang-sau-rom-thong\/","title":{"rendered":"Nghi\u00ean c\u1ee9u tuy\u1ec3n ch\u1ecdn gi\u1ed1ng Th\u00f4ng nh\u1ef1a kh\u00e1ng S\u00e2u r\u00f3m th\u00f4ng"},"content":{"rendered":"

\u0110\u00e0o Ng\u1ecdc Quang, L\u00ea V\u0103n B\u00ecnh<\/strong><\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/p>\n

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

T\u1eeb n\u0103m 2006, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u \u0111i\u1ec1u tra c\u00e1c c\u00e1 th\u1ec3 c\u00e2y Th\u00f4ng nh\u1ef1a c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng S\u00e2u r\u00f3m th\u00f4ng. Sau 5 n\u0103m nghi\u00ean c\u1ee9u, nh\u00f3m th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i \u0111\u00e3 t\u00ecm ra 36 c\u00e2y tr\u1ed9i kh\u00e1ng S\u00e2u r\u00f3m th\u00f4ng. Sau khi ph\u00e2n t\u00edch l\u00e1 c\u1ee7a nh\u1eefng c\u00e2y tr\u1ed9i kh\u00e1ng S\u00e2u r\u00f3m th\u00f4ng v\u00e0 nu\u00f4i s\u00e2u, ch\u00fang t\u00f4i b\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c hai c\u01a1 ch\u1ebf kh\u00e1ng S\u00e2u r\u00f3m th\u00f4ng c\u1ee7a Th\u00f4ng nh\u1ef1a:<\/p>\n

\u00b7C\u01a1 ch\u1ebf kh\u00f4ng \u01b0a th\u00edch:<\/p>\n

oS\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i v\u00e0 c\u1ea5u t\u1ea1o l\u00e1 gi\u1eefa m\u1eabu l\u00e1 c\u00e1c c\u00e2y kh\u00e1ng v\u00e0 m\u1eabn c\u1ea3m: l\u00e1 c\u1ee7a c\u00e2y kh\u00e1ng s\u00e2u c\u00f3 t\u1ea7ng cutin, t\u1ea7ng bi\u1ec3u b\u00ec v\u00e0 t\u1ea7ng h\u1ea1 b\u00ec d\u1ea7y, t\u1ea7ng nhu m\u00f4 \u0111\u1ed3ng h\u00f3a m\u1ecfng n\u00ean l\u00e1 c\u00e2y r\u1ea5t c\u1ee9ng v\u00e0 c\u00f3 th\u1ec3 v\u00ec th\u1ebf n\u00ean s\u00e2u non kh\u00f4ng th\u00edch \u0103n. H\u01a1n n\u1eefa l\u00e1 c\u00e2y kh\u00e1ng d\u00e0i v\u00e0 d\u1ea7y h\u01a1n l\u00e1 c\u00e2y m\u1eabn c\u1ea3m.<\/p>\n

oM\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c: g\u00f3c ph\u00e2n c\u00e0nh so v\u1edbi th\u00e2n c\u00e2y 30 \u2013 600<\/sup> \u1edf c\u00e2y kh\u00e1ng v\u00e0 80 \u2013 900<\/sup> \u1edf c\u00e2y m\u1eabn c\u1ea3m; s\u1ea3n l\u01b0\u1ee3ng nh\u1ef1a c\u1ee7a c\u00e2y kh\u00e1ng nhi\u1ec1u g\u1ea5p 3 l\u1ea7n so v\u1edbi c\u00e2y m\u1eabn c\u1ea3m.<\/p>\n

oKhi ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m nu\u00f4i s\u00e2u trong ph\u00f2ng th\u00ed nghi\u1ec7m th\u00ec th\u1ea5y r\u1eb1ng s\u00e2u tr\u01b0\u1edfng th\u00e0nh kh\u00f4ng \u0111\u1ebb tr\u1ee9ng tr\u00ean c\u00e2y kh\u00e1ng v\u00e0 khi th\u1ea3 s\u00e2u non v\u00e0o th\u00ec ch\u1ec9 sau th\u1eddi gian ng\u1eafn (v\u00e0i gi\u1edd \u0111\u1ed3ng h\u1ed3), ch\u00fang di chuy\u1ec3n sang c\u00e2y m\u1eabn c\u1ea3m. Nh\u01b0 v\u1eady c\u00f3 th\u1ec3 n\u00f3i r\u1eb1ng trong th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u00f3 trong l\u00e1 Th\u00f4ng nh\u1ef1a c\u00e2y kh\u00e1ng v\u00e0 m\u1eabn c\u1ea3m c\u00f2n c\u00f3 m\u1ed9t nh\u00f3m ch\u1ea5t d\u1ec5 bay h\u01a1i v\u00e0 \u0111\u00e3 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh t\u00ecm c\u00e2y ch\u1ee7 \u0111\u1ec3 \u0111\u1ebb tr\u1ee9ng c\u1ee7a s\u00e2u tr\u01b0\u1edfng th\u00e0nh c\u0169ng nh\u01b0 qu\u00e1 tr\u00ecnh t\u00ecm ngu\u1ed3n th\u1ee9c \u0103n c\u1ee7a s\u00e2u non.<\/p>\n

\u00b7C\u01a1 ch\u1ebf kh\u00e1ng kh\u00e1ng sinh:<\/p>\n

oC\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t r\u00f5 r\u1ec7t v\u1ec1 th\u00e0nh ph\u1ea7n tinh d\u1ea7u c\u00f3 trong m\u1eabu l\u00e1 Th\u00f4ng nh\u1ef1a. M\u1ed9t s\u1ed1 nh\u00f3m ch\u1ea5t ch\u1ec9 th\u1ea5y xu\u1ea5t hi\u1ec7n trong c\u00e1c m\u1eabu l\u00e1 c\u00e2y m\u1eabn c\u1ea3m, nh\u01b0ng kh\u00f4ng th\u1ea5y xu\u1ea5t hi\u1ec7n trong m\u1eabu l\u00e1 c\u00e1c c\u00e2y kh\u00e1ng.<\/p>\n

oH\u00e0m l\u01b0\u1ee3ng m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n l\u1edbp ch\u1ea5t thu\u1ed9c nh\u00f3m terpene (nh\u00f3m ch\u1ea5t \u0111\u1ed9c \u0111\u1ed1i v\u1edbi c\u00f4n tr\u00f9ng) c\u00f3 trong l\u00e1 c\u1ee7a nh\u1eefng c\u00e2y kh\u00e1ng cao h\u01a1n so v\u1edbi l\u00e1 c\u00e2y m\u1eabn c\u1ea3m v\u00e0 kh\u00f4ng th\u1ea5y xu\u1ea5t hi\u1ec7n trong l\u00e1 c\u00e2y m\u1eabn c\u1ea3m, nh\u01b0: \u03b1-Pinene, \u03b2-3-Carene,\u2026<\/p>\n

T\u1eeb kh\u00f3a: <\/strong>C\u01a1 ch\u1ebf kh\u00e1ng s\u00e2u, S\u00e2u r\u00f3m th\u00f4ng, Th\u00f4ng nh\u1ef1a<\/p>\n

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

C\u00e2y th\u00f4ng la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng loa\u0300i c\u00e2y co\u0301 gia\u0301 tri\u0323 kinh t\u00ea\u0301 cao; ngoa\u0300i g\u00f4\u0303 cho x\u00e2y d\u01b0\u0323ng, la\u0300m gi\u00e2\u0301y, nh\u01b0\u0323a th\u00f4ng co\u0300n \u0111\u01b0\u01a1\u0323c du\u0300ng trong nhi\u00ea\u0300u nga\u0300nh c\u00f4ng nghi\u00ea\u0323p nh\u01b0 s\u01a1n, v\u00e9cni, v\u00e2\u0323t li\u00ea\u0323u ca\u0301ch \u0111i\u00ea\u0323n va\u0300 ca\u0301c m\u0103\u0323t ha\u0300ng ti\u00eau du\u0300ng kha\u0301c. C\u00e2y th\u00f4ng d\u1ec5 tr\u1ed3ng, sinh tr\u01b0\u1edfng nhanh, bi\u1ec7n ph\u00e1p l\u00e2m sinh \u0111\u01a1n gi\u1ea3n d\u1ec5 \u00e1p d\u1ee5ng, tr\u1ed3ng m\u1ed9t l\u1ea7n cho thu nh\u1eadp h\u00e0ng n\u0103m, gi\u00e1 tr\u1ecb kinh t\u1ebf cao, \u1ed5n \u0111\u1ecbnh. C\u00e2y th\u00f4ng co\u0300n co\u0301 gia\u0301 tri\u0323 \u0111\u0103\u0323c bi\u00ea\u0323t trong c\u01a1 c\u00e2\u0301u c\u00e2y tr\u00f4\u0300ng vu\u0300ng \u0111\u00f4\u0300i do nh\u01b0\u0303ng \u0111\u0103\u0323c ti\u0301nh sinh tha\u0301i \u0111\u0103\u0323c bi\u00ea\u0323t thi\u0301ch \u01b0\u0301ng v\u01a1\u0301i \u0111i\u00ea\u0300u ki\u00ea\u0323n l\u00e2\u0323p \u0111i\u0323a c\u0103\u0300n c\u00f4\u0303i. Chi\u0301nh vi\u0300 v\u00e2\u0323y, th\u00f4ng \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng nhi\u00ea\u0300u \u0111\u00ea\u0309 phu\u0309 xanh \u0111\u00e2\u0301t tr\u00f4\u0301ng \u0111\u00f4\u0300i nu\u0301i tro\u0323c trong ca\u0301c ch\u01b0\u01a1ng tri\u0300nh tr\u00f4\u0300ng r\u01b0\u0300ng \u01a1\u0309 n\u01b0\u01a1\u0301c ta.<\/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 374-387)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

<\/p>\n

\nCây thông la\u0300 mô\u0323t
\ntrong nh\u01b0\u0303ng loa\u0300i cây co\u0301 gia\u0301 tri\u0323 kinh tê\u0301 cao; ngoa\u0300i gô\u0303 cho xây d\u01b0\u0323ng,
\nla\u0300m giâ\u0301y, nh\u01b0\u0323a thông co\u0300n \u0111\u01b0\u01a1\u0323c du\u0300ng trong nhiê\u0300u nga\u0300nh công nghiê\u0323p nh\u01b0
\ns\u01a1n, vécni, vâ\u0323t liê\u0323u ca\u0301ch \u0111iê\u0323n va\u0300 ca\u0301c m\u0103\u0323t ha\u0300ng tiêu du\u0300ng kha\u0301c. Cây
\nthông d\u1ec5 tr\u1ed3ng, sinh tr\u01b0\u1edfng nhanh, bi\u1ec7n pháp lâm sinh \u0111\u01a1n gi\u1ea3n d\u1ec5 áp d\u1ee5ng,
\ntr\u1ed3ng m\u1ed9t l\u1ea7n cho thu nh\u1eadp hàng n\u0103m, giá tr\u1ecb kinh t\u1ebf cao, \u1ed5n \u0111\u1ecbnh.<\/span>\n<\/div>\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\/9820"}],"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=9820"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9820\/revisions"}],"predecessor-version":[{"id":19191,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9820\/revisions\/19191"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}