{"id":9764,"date":"2012-02-17T08:30:54","date_gmt":"2012-02-17T01:30:54","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/02\/ket-qua-nghien-cuu-buoc-dau-ve-kha-nang-nhan-giong-cay-to-hap-dien-bien-va-cho-xanh-lam-co-so-trong-rung-go-lon-tai-tay-bac\/"},"modified":"2013-10-06T09:02:38","modified_gmt":"2013-10-06T02:02:38","slug":"ket-qua-nghien-cuu-buoc-dau-ve-kha-nang-nhan-giong-cay-to-hap-dien-bien-va-cho-xanh-lam-co-so-trong-rung-go-lon-tai-tay-bac","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-nghien-cuu-buoc-dau-ve-kha-nang-nhan-giong-cay-to-hap-dien-bien-va-cho-xanh-lam-co-so-trong-rung-go-lon-tai-tay-bac\/","title":{"rendered":"K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u b\u01b0\u1edbc \u0111\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng nh\u00e2n gi\u1ed1ng c\u00e2y T\u00f4 h\u1ea1p \u0110i\u1ec7n Bi\u00ean v\u00e0 Ch\u00f2 xanh l\u00e0m c\u01a1 s\u1edf tr\u1ed3ng r\u1eebng g\u1ed7 l\u1edbn t\u1ea1i T\u00e2y B\u1eafc"},"content":{"rendered":"<p> <strong>Ph\u1ea1m Quang Tuy\u1ebfn<\/strong><em><\/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><strong><\/strong> <\/p>\n<p> Qu\u1ea3 T\u00f4 h\u1ea1p \u0110i\u1ec7n Bi\u00ean (<em>Altingia siamensis <\/em>Craib)thu h\u00e1i v\u00e0o th\u00e1ng 12 khi qu\u1ea3 b\u1eaft \u0111\u1ea7u ch\u00edn chuy\u1ec3n t\u1eeb m\u00e0u x\u00e1m xanh sang m\u00e0u x\u00e1m \u0111en. H\u1ea1t T\u00f4 h\u1ea1p b\u1ea3o qu\u1ea3n trong t\u1ee7 l\u1ea1nh th\u00f4ng th\u01b0\u1eddng, th\u1eddi gian b\u1ea3o qu\u1ea3n kho\u1ea3ng 5 th\u00e1ng h\u1ea1t \u0111\u00e3 b\u1eaft \u0111\u1ea7u m\u1ea5t s\u1ee9c n\u1ea3y m\u1ea7m. H\u1ea1t T\u00f4 h\u1ea1p x\u1eed l\u00fd v\u1edbi c\u00f4ng th\u1ee9c nhi\u1ec7t \u0111\u1ed9 40<sup>0<\/sup>C ng\u00e2m trong 8 gi\u01a1\u0300 cho t\u1ef7 l\u1ec7 n\u1ea3y m\u1ea9m cao nh\u1ea5t. C\u00e2y con giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m 4 th\u00e1ng tu\u1ed5i sinh tr\u01b0\u1edfng t\u1ed1t nh\u1ea5t v\u1edbi c\u00f4ng th\u1ee9c th\u00e0nh ph\u1ea7n ru\u1ed9t b\u1ea7u 90% \u0111\u1ea5t m\u00f9n t\u01a1i x\u1ed1p + 7% ph\u00e2n chu\u1ed3ng hoai + 3% ph\u00e2n l\u00e2n.Ch\u00f2 xanh (<em>Terminalia myriocarpa<\/em> Huerch et M.A) l\u00e0 c\u00e2y g\u1ed7 l\u1edbn, mo\u0323c nhanh, g\u00f4\u0303 c\u01b0\u0301ng co\u0301 v\u00e2n va\u0300 a\u0301nh \u0111e\u0323p. Qu\u1ea3 Ch\u00f2 xanh ch\u00edn v\u00e0 \u0111\u1ea1t ti\u00eau chu\u1ea9n \u0111\u1ec3 thu h\u00e1i v\u00e0o th\u00e1ng 12 ho\u1eb7c th\u00e1ng 1 n\u0103m sau. \u0110\u0103\u0323c \u0111i\u00ea\u0309m nh\u00e2\u0323n bi\u00ea\u0301t khi ch\u00edn, qu\u1ea3 c\u00f3 m\u00e0u t\u1eeb m\u00e0u h\u1ed3ng t\u00edm sang m\u00e0u v\u00e0ng nh\u1ea1t (chi\u0301n thu hoa\u0323ch). H\u1ea1t l\u00e0m gi\u1ed1ng \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong chum va\u0323i ho\u0103\u0323c trong t\u1ee7 l\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 0-5<sup>0<\/sup>C, 5 th\u00e1ng \u0111\u1ea7u s\u1ee9c n\u1ea3y m\u1ea7m h\u1ea1t \u0111\u00e3 b\u1eaft \u0111\u1ea7u gi\u1ea3m d\u1ea7n. C\u00f4ng th\u1ee9c x\u1eed l\u00fd h\u1ea1t n\u1ea3y m\u1ea7m cho t\u1ef7 l\u1ec7 na\u0309y m\u00e2\u0300m cao nh\u1ea5t l\u00e0: ng\u00e2m h\u1ea1t trong n\u01b0\u1edbc 40<sup>0<\/sup>C trong 8 gi\u1edd; C\u00f4ng th\u1ee9c th\u00e0nh ph\u1ea7n ru\u1ed9t b\u1ea7u 90% \u0111\u1ea5t m\u00f9n t\u01a1i x\u1ed1p + 7% ph\u00e2n chu\u1ed3ng hoai + 3% ph\u00e2n l\u00e2n c\u00f3 sinh tr\u01b0\u1edfng c\u00e2y con t\u1ed1t nh\u1ea5t (k\u1ebft qu\u1ea3 \u0111o \u1edf giai \u0111o\u1ea1n c\u00e2y con 4 th\u00e1ng tu\u1ed5i).<strong>T\u1eeb kh\u00f3a:<\/strong> T\u00f4 h\u1ea1p \u0110i\u1ec7n Bi\u00ean, Ch\u00f2 xanh, Tr\u1ed3ng r\u1eebng g\u1ed7 l\u1edbn, T\u00e2y B\u1eafc.<strong><\/strong> <\/p>\n<p> <strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n<p> V\u00f9ng n\u00fai T\u00e2y B\u1eafc l\u00e0 khu v\u1ef1c c\u00f3 \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean kh\u00f4ng thu\u1eadn l\u1ee3i, do \u0111\u00f3 kh\u1ea3 n\u0103ng th\u00edch nghi v\u1edbi \u0111i\u1ec1u ki\u1ec7n sinh th\u00e1i c\u1ee7a m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y nh\u1eadp n\u1ed9i th\u1ea5p. Trong v\u00f9ng c\u00f3 nhi\u1ec1u lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba c\u00f3 gi\u00e1 tr\u1ecb cao v\u1ec1 m\u1eb7t sinh th\u00e1i v\u00e0 kinh t\u1ebf, n\u00ean \u0111\u00e2y s\u1ebd l\u00e0 th\u1ebf m\u1ea1nh c\u1ee7a v\u00f9ng khi t\u1eadp trung v\u00e0o vi\u1ec7c tr\u1ed3ng r\u1eebng g\u1ed7 l\u1edbn \u0111\u1ec3 ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t.C\u00e2y T\u00f4 h\u1ea1p \u0110i\u1ec7n Bi\u00ean l\u00e0 c\u00e2y g\u1ed7 l\u1edbn cao 30 &#8211; 50m, \u0111\u01b0\u1eddng k\u00ednh c\u00f3 th\u1ec3 t\u1edbi 1m. L\u00e0 lo\u00e0i c\u00e2y th\u01b0\u1eddng xanh, \u01b0a s\u00e1ng, sinh tr\u01b0\u1edfng nhanh, t\u00e1i sinh m\u1ea1nh. G\u1ed7 m\u00e0u n\u00e2u \u0111\u1ecf, l\u00f5i l\u1edbn, c\u00f3 nhi\u1ec1u gi\u00e1 tr\u1ecb: kh\u00f4ng m\u1ed1i m\u1ecdt, c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 x\u00e2y d\u1ef1ng, \u0111\u00f3ng t\u00e0u thuy\u1ec1n v\u00e0 c\u00f3 th\u1ec3 c\u1ea5t tinh d\u1ea7u (L\u00ea M\u1ed9ng Ch\u00e2n, 2000). \u0110\u1eb7c bi\u1ec7t trong c\u00e2y T\u00f4 h\u1ea1p \u0110i\u1ec7n Bi\u00ean c\u00f3 ch\u1ea5t nh\u1ef1a m\u00f9i th\u01a1m g\u1ecdi l\u00e0 d\u1ea7u T\u00f4 h\u1ea1p d\u00f9ng l\u00e0m thu\u1ed1c, ch\u1eefa tr\u1ecb nhi\u1ec1u b\u1ec7nh nguy hi\u1ec3m (L\u00ea Tr\u1ea7n \u0110\u1ee9c, 1997). C\u00e2y T\u00f4 H\u1ea1p \u0110i\u1ec7n Bi\u00ean c\u00f2n l\u00e0 lo\u00e0i c\u00e2y r\u1ea5t th\u00edch h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n sinh th\u00e1i khu v\u1ef1c T\u00e2y B\u1eafc.Ch\u00f2 xanh l\u00e0 c\u00e2y g\u1ed7 l\u1edbn cao 35 &#8211; 40m, \u0111\u01b0\u1eddng k\u00ednh c\u00f3 th\u1ec3 l\u00ean t\u1edbi 200cm. C\u00e2y th\u01b0\u1eddng xanh n\u1eeda r\u1ee5ng l\u00e1, m\u1ecdc kh\u00e1 nhanh, kh\u1ea3 n\u0103ng t\u00e1i sinh t\u1ed1t. G\u1ed7 x\u00e1m tr\u1eafng, c\u1ee9ng c\u00f3 v\u00e2n v\u00e0 \u00e1nh \u0111\u1eb9p, d\u1ec5 l\u00e0m, c\u00f3 th\u1ec3 d\u00f9ng trong x\u00e2y d\u1ef1ng, \u0111\u00f3ng thuy\u1ec1n, \u0111\u00f3ng \u0111\u1ed3 d\u00f9ng trong nh\u00e0 v\u00e0 l\u00e0m g\u1ed7 d\u00e1n l\u1ea1ng (L\u00ea M\u1ed9ng Ch\u00e2n, 2000).  <\/p>\n<p> T\u00f4 h\u1ea1p \u0110i\u1ec7n Bi\u00ean v\u00e0 Ch\u00f2 xanh \u0111\u1ec1u l\u00e0 nh\u1eefng lo\u00e0i c\u00e2y sinh tr\u01b0\u1edfng nhanh, ph\u00e1t tri\u1ec3n t\u1ed1t, c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ee5c h\u1ed3i, n\u00e2ng cao \u0111\u1ed9 che ph\u1ee7 c\u1ee7a r\u1eebng t\u1ea1i khu v\u1ef1c T\u00e2y B\u1eafc. V\u00ec v\u1eady, vi\u1ec7c l\u1ef1a ch\u1ecdn hai lo\u00e0i c\u00e2y T\u00f4 H\u1ea1p \u0110i\u1ec7n Bi\u00ean v\u00e0 Ch\u00f2 xanh \u0111\u1ec3 nh\u00e2n gi\u1ed1ng nh\u1eb1m ph\u1ee5c v\u1ee5 vi\u1ec7c tr\u00f4ng r\u1eebng g\u1ed7 l\u1edbn \u1edf T\u00e2y B\u1eafc l\u00e0 vi\u1ec7c l\u00e0m h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft. <\/p>\n<p> <em>(K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 giai \u0111o\u1ea1n 2006-2010, trang 214-220)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; font-size: 10pt\">Qu\u1ea3 T&ocirc; h\u1ea1p \u0110i\u1ec7n Bi&ecirc;n (<em>Altingia siamensis <\/em>Craib)<strong> <\/strong>thu h&aacute;i v&agrave;o th&aacute;ng 12 khi qu\u1ea3 b\u1eaft \u0111\u1ea7u ch&iacute;n chuy\u1ec3n t\u1eeb m&agrave;u x&aacute;m xanh sang m&agrave;u x&aacute;m \u0111en. H\u1ea1t T&ocirc; h\u1ea1p b\u1ea3o qu\u1ea3n trong t\u1ee7 l\u1ea1nh th&ocirc;ng th\u01b0\u1eddng, th\u1eddi gian b\u1ea3o qu\u1ea3n kho\u1ea3ng 5 th&aacute;ng h\u1ea1t \u0111&atilde; b\u1eaft \u0111\u1ea7u m\u1ea5t s\u1ee9c n\u1ea3y m\u1ea7m. H\u1ea1t T&ocirc; h\u1ea1p x\u1eed l&yacute; v\u1edbi c&ocirc;ng th\u1ee9c nhi\u1ec7t \u0111\u1ed9 40<sup>0<\/sup>C ng&acirc;m trong 8 gi\u01a1\u0300 cho t\u1ef7 l\u1ec7 n\u1ea3y m\u1ea9m cao nh\u1ea5t.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9764"}],"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=9764"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9764\/revisions"}],"predecessor-version":[{"id":11216,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9764\/revisions\/11216"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}