{"id":9003,"date":"2009-04-20T08:14:12","date_gmt":"2009-04-20T01:14:12","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/mot-so-ket-qua-nghien-cuu-ve-cay-lat-mexico-tren-the-gioi\/"},"modified":"2013-10-06T09:01:03","modified_gmt":"2013-10-06T02:01:03","slug":"mot-so-ket-qua-nghien-cuu-ve-cay-lat-mexico-tren-the-gioi","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/mot-so-ket-qua-nghien-cuu-ve-cay-lat-mexico-tren-the-gioi\/","title":{"rendered":"M\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u1ec1 c\u00e2y L\u00e1t Mexico tr\u00ean th\u1ebf gi\u1edbi"},"content":{"rendered":"\n<p> <strong>Tr\u1ea7n V\u0103n \u0110\u00f4, Tr\u1ea7n L\u00e2m \u0110\u1ed3ng<\/strong> <\/p>\n<p> <em> T\u1ed5ng h\u1ee3p t\u1eeb t\u00e0i li\u1ec7u n\u01b0\u1edbc ngo\u00e0i<\/em> <\/p>\n<p> L\u00e1t Mexico (<em>Cedrela odorata<\/em> L.) l\u00e0 lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba c\u1ee7a Ch\u00e2u M\u1ef9, c\u00f3 ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean t\u1eeb B\u1eafc Mexico (26<sup>0<\/sup>N) qua c\u00e1c h\u00f2n \u0111\u1ea3o v\u00f9ng Caribe \u0111\u1ebfn Achentina (28<sup>0<\/sup>S). L\u00e1t Mexico l\u00e0 c\u00e2y r\u1ee5ng l\u00e1, cao t\u1edbi 40m, th\u00e2n tr\u00f2n, th\u1eb3ng, \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t t\u1edbi 2m. L\u00e1t Mexico sinh tr\u01b0\u1edfng t\u1ed1t nh\u1ea5t tr\u00ean \u0111\u1ea5t c\u00f3 h\u00e0m l\u01b0\u1ee3ng m\u00f9n cao, \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc. Lo\u00e0i n\u00e0y sinh tr\u01b0\u1edfng trong nh\u1eefng v\u00f9ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh n\u0103m t\u1eeb 22<sup>0<\/sup>C \u0111\u1ebfn 32<sup>0<\/sup>C, n\u01a1i c\u00f3 t\u1eeb 3-4 th\u00e1ng m\u00f9a kh\u00f4 v\u00e0 ph\u00e2n b\u1ed1 \u1edf \u0111\u1ed9 cao th\u1ea5p h\u01a1n 1.200m so v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n. G\u1ed7 L\u00e1t Mexico c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao, \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m d\u1ee5ng c\u1ee5 \u00e2m nh\u1ea1c, \u0111\u00f3ng \u0111\u1ed3 gia d\u1ee5ng v\u00e0 trang tr\u00ed n\u1ed9i th\u1ea5t. <\/p>\n<p> <strong>\u0110\u1eb6C \u0110I\u1ec2M SINH V\u1eacT H\u1eccC<\/strong> <\/p>\n<p> L\u00e1t Mexico l\u00e0 lo\u00e0i c\u00e2y l\u01b0\u1ee1ng t\u00ednh, ra hoa \u1edf tu\u1ed5i 10-12, hoa \u0111\u1ef1c v\u00e0 c\u00e1i ra tr\u00ean c\u00f9ng m\u1ed9t c\u00e0nh hoa v\u00e0 hoa c\u00e1i th\u01b0\u1eddng n\u1edf tr\u01b0\u1edbc. Hoa c\u00f3 m\u00e0u xanh v\u00e0ng, m\u1ecdc th\u00e0nh c\u1ee5m, m\u00f9a ra hoa v\u00e0 k\u1ebft qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o n\u01a1i ph\u00e2n b\u1ed1 nh\u01b0ng hoa v\u00e0 l\u00e1 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n c\u00f9ng th\u1eddi \u0111i\u1ec3m. T\u1ea1i Mexico, c\u00e2y ra hoa t\u1eeb th\u00e1ng 5 \u0111\u1ebfn th\u00e1ng 8, qu\u1ea3 ch\u00edn v\u00e0o m\u00f9a kh\u00f4 t\u1eeb th\u00e1ng 1 \u0111\u1ebfn th\u00e1ng 3 n\u0103m sau. \u0110\u1ebfn m\u00f9a ch\u00edn, qu\u1ea3 kh\u00f4 v\u00e0 t\u00e1ch v\u1ecf, qu\u1ea3 c\u00f3 h\u00ecnh thu\u00f4n d\u00e0i ho\u1eb7c h\u00ecnh tr\u00e1i xoan, c\u00f3 chi\u1ec1u d\u00e0i 17-45mm v\u00e0 \u0111\u01b0\u1eddng k\u00ednh 14-21mm. Qu\u1ea3 c\u00f3 m\u00e0u n\u00e2u s\u00e1ng, khi ch\u00edn n\u1ee9t ra th\u00e0nh 4-5 m\u1ea3nh. M\u1ed7i qu\u1ea3 ch\u1ee9a 14-34 h\u1ea1t, h\u1ea1t c\u00f3 c\u00e1nh d\u00e0i 2-3cm v\u00e0 r\u1ed9ng 5mm. Qu\u1ea3 L\u00e1t Mexico thay \u0111\u1ed5i m\u00e0u khi ch\u00edn, n\u00ean thu qu\u1ea3 tr\u01b0\u1edbc khi qu\u1ea3 ch\u00edn sau \u0111\u00f3 ti\u1ebfn h\u00e0nh ch\u1ebf bi\u1ebfn \u0111\u1ec3 t\u00e1ch h\u1ea1t. Qu\u1ea3 n\u00ean \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong h\u1ed9p g\u1ed7 c\u00f3 l\u1ed7 h\u1ed5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tho\u00e1ng kh\u00ed. Kh\u00f4ng n\u00ean ph\u01a1i h\u1ea1t tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi do h\u1ea1t m\u1ea5t s\u1ee9c n\u1ea9y m\u1ea7m nhanh khi ph\u01a1i tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 cao. T\u1ef7 l\u1ec7 h\u1ea1t \u0111\u1ea1t 8-10% so v\u1edbi trong l\u01b0\u1ee3ng qu\u1ea3. K\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng h\u1ea1t c\u00f3 thay \u0111\u1ed5i l\u1edbn, tuy nhi\u00ean ph\u1ed5 bi\u1ebfn t\u1eeb 40.000-89.000 h\u1ea1t\/kg. H\u1ea1t n\u00ean \u0111\u01b0\u1ee3c \u0111\u1ec3 trong t\u00fai Nilon b\u1ea3o qu\u1ea3n \u1edf nhi\u1ec7t \u0111\u1ed9 5<sup>0<\/sup>C v\u1edbi \u0111\u1ed9 \u1ea9m 7%, b\u1ea3o qu\u1ea3n nh\u01b0 v\u1eady s\u1ebd gi\u1eef \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 n\u1ea9y m\u1ea7m 50-60% sau 2 n\u0103m. <\/p>\n<p> <strong><a>C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y<\/a><\/strong> <\/p>\n","protected":false},"excerpt":{"rendered":"<p><font size=\"3\"><font face=\"Times New Roman\"><\/p>\n<p align=\"justify\">\nL&aacute;t Mexico (<em>Cedrela odorata<\/em> L.) l&agrave; lo&agrave;i c&acirc;y b\u1ea3n \u0111\u1ecba c\u1ee7a Ch&acirc;u M\u1ef9, c&oacute; ph&acirc;n b\u1ed1 t\u1ef1 nhi&ecirc;n t\u1eeb B\u1eafc Mexico (26<sup>0<\/sup>N) qua c&aacute;c h&ograve;n \u0111\u1ea3o v&ugrave;ng Caribe \u0111\u1ebfn Achentina (28<sup>0<\/sup>S). L&aacute;t Mexico l&agrave; c&acirc;y r\u1ee5ng l&aacute;, cao t\u1edbi 40m, th&acirc;n tr&ograve;n, th\u1eb3ng, \u0111\u01b0\u1eddng k&iacute;nh \u0111\u1ea1t t\u1edbi 2m. L&aacute;t Mexico sinh tr\u01b0\u1edfng t\u1ed1t nh\u1ea5t tr&ecirc;n \u0111\u1ea5t c&oacute; h&agrave;m l\u01b0\u1ee3ng m&ugrave;n cao, \u0111\u1ea5t tho&aacute;t n\u01b0\u1edbc. Lo&agrave;i n&agrave;y sinh tr\u01b0\u1edfng trong nh\u1eefng v&ugrave;ng c&oacute; nhi\u1ec7t \u0111\u1ed9 trung b&igrave;nh n\u0103m t\u1eeb 22<sup>0<\/sup>C \u0111\u1ebfn 32<sup>0<\/sup>C, n\u01a1i c&oacute; t\u1eeb 3-4 th&aacute;ng m&ugrave;a kh&ocirc; v&agrave; ph&acirc;n b\u1ed1 \u1edf \u0111\u1ed9 cao th\u1ea5p h\u01a1n 1.200m so v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n. G\u1ed7 L&aacute;t Mexico c&oacute; gi&aacute; tr\u1ecb kinh t\u1ebf cao, \u0111\u01b0\u1ee3c d&ugrave;ng l&agrave;m d\u1ee5ng c\u1ee5 &acirc;m nh\u1ea1c, \u0111&oacute;ng \u0111\u1ed3 gia d\u1ee5ng v&agrave; trang tr&iacute; n\u1ed9i th\u1ea5t.\n<\/p>\n<p><\/font><\/font><\/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\/9003"}],"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=9003"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9003\/revisions"}],"predecessor-version":[{"id":10459,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9003\/revisions\/10459"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}