{"id":9756,"date":"2012-02-20T02:14:51","date_gmt":"2012-02-19T19:14:51","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/02\/nghien-cuu-cac-bien-phap-ky-thuat-gay-trong-trai-ly-vu-huong-va-sua-nham-phuc-hoi-cac-trang-thai-rung-ngheo-kiet-tai-tay-bac\/"},"modified":"2013-10-06T09:02:36","modified_gmt":"2013-10-06T02:02:36","slug":"nghien-cuu-cac-bien-phap-ky-thuat-gay-trong-trai-ly-vu-huong-va-sua-nham-phuc-hoi-cac-trang-thai-rung-ngheo-kiet-tai-tay-bac","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-cac-bien-phap-ky-thuat-gay-trong-trai-ly-vu-huong-va-sua-nham-phuc-hoi-cac-trang-thai-rung-ngheo-kiet-tai-tay-bac\/","title":{"rendered":"Nghi\u00ean c\u1ee9u c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng Trai l\u00fd, V\u00f9 h\u01b0\u01a1ng, v\u00e0 S\u01b0a nh\u1eb1m ph\u1ee5c h\u1ed3i c\u00e1c tr\u1ea1ng th\u00e1i r\u1eebng ngh\u00e8o ki\u1ec7t t\u1ea1i T\u00e2y B\u1eafc"},"content":{"rendered":"<p> <strong>Ths. H\u00e0 V\u0103n Ti\u1ec7p<\/strong> <\/p>\n<p> <em>Trung t\u00e2m Khoa h\u1ecdc s\u1ea3n xu\u1ea5t L\u00e2m nghi\u1ec7p v\u00f9ng T\u00e2y B\u1eafc<\/em><strong><\/strong> <\/p>\n<p> <strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> Trai l\u00fd (<em>Garcinia fagraeoides<\/em> A.Chev), V\u00f9 h\u01b0\u01a1ng (<em>Cinnamomum balanseae <\/em>Lec) v\u00e0 S\u01b0a (<em>Dalbergia tonkinensis <\/em>Prain) l\u00e0 c\u00e1c lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba c\u00f3 gi\u00e1 tr\u1ecb cao v\u1ec1 sinh th\u00e1i v\u00e0 kinh t\u1ebf t\u1ea1i v\u00f9ng T\u00e2y B\u1eafc, Vi\u1ec7t Nam. Ch\u00fang \u0111\u00e3 b\u1ecb khai th\u00e1c ki\u1ec7t trong r\u1eebng t\u1ef1 nhi\u00ean. Do v\u1eady, m\u1ee5c ti\u00eau c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y l\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng, g\u00e2y tr\u1ed3ng v\u00e0 bi\u00ean so\u1ea1n t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng \u0111\u1ec3 tr\u1ed3ng ph\u1ee5c h\u1ed3i r\u1eebng t\u1ef1 nhi\u00ean ngh\u00e8o ki\u1ec7t. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y:\u0110\u1ed1i v\u1edbi lo\u00e0i Trai l\u00fd, h\u1ea1t \u0111\u01b0\u1ee3c ng\u00e2m trong n\u01b0\u1edbc \u1ea5m 40<sup>0<\/sup>C trong 12 gi\u1edd cho t\u1ef7 l\u1ec7 h\u1ea1t n\u1ea3y m\u1ea7m cao nh\u1ea5t \u0111\u1ea1t 84,8%. Che b\u00f3ng 75% l\u00e0 ph\u00f9 h\u1ee3p cho c\u00e2y con sinh tr\u01b0\u1edfng trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m. Tr\u1ea1ng th\u00e1i r\u1eebng tr\u1ed3ng ph\u1ee5c h\u1ed3i v\u00e0 m\u1eadt \u0111\u1ed9 tr\u1ed3ng kh\u00f4ng \u1ea3nh h\u01b0\u1edfng r\u00f5 \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y tr\u1ed3ng trong th\u1eddi gian theo d\u00f5i th\u00ed nghi\u1ec7m. Th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n 0,2kg (NPK) c\u00f3 \u1ea3nh h\u01b0\u1edfng t\u00edch c\u1ef1c nh\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u00e2y tr\u1ed3ng. <\/p>\n<p> \u0110\u1ed1i v\u1edbi lo\u00e0i V\u00f9 h\u01b0\u01a1ng, s\u1eed d\u1ee5ng thu\u1ed1c k\u00edch th\u00edch ABT1 n\u1ed3ng \u0111\u1ed9 1,5% cho t\u1ef7 l\u1ec7 hom ra r\u1ec5 cao nh\u1ea5t \u0111\u1ea1t 78,9%. Tr\u1ea1ng th\u00e1i r\u1eebng tr\u1ed3ng ph\u1ee5c h\u1ed3i sau khai th\u00e1c c\u00f3 \u1ea3nh h\u01b0\u1edfng t\u00edch c\u1ef1c nh\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng. M\u1eadt \u0111\u1ed9 c\u00e2y tr\u1ed3ng kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng, nh\u01b0ng l\u1ea1i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ef7 l\u1ec7 s\u1ed1ng. M\u1eadt \u0111\u1ed9 tr\u1ed3ng 400 c\u00e2y \/ha cho t\u1ef7 l\u1ec7 s\u1ed1ng cao nh\u1ea5t \u0111\u1ea1t 93,75%. C\u00f4ng th\u1ee9c b\u00f3n 3kg ph\u00e2n chu\u1ed3ng\/h\u1ed1 c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ed9i nh\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng.  <\/p>\n<p> \u0110\u00f4\u0301i v\u1edbi lo\u00e0i S\u01b0a, h\u1ea1t \u0111\u01b0\u1ee3c ng\u00e2m trong n\u01b0\u1edbc \u1ea5m 40<sup>0<\/sup>C, trong 12 gi\u1edd cho t\u1ef7 l\u1ec7 h\u1ea1t n\u1ea3y m\u1ea7m cao nh\u1ea5t \u0111\u1ea1t 92,8%. Che b\u00f3ng 50% l\u00e0 ph\u00f9 h\u1ee3p cho c\u00e2y con sinh tr\u01b0\u1edfng trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m. Tr\u1ea1ng th\u00e1i r\u1eebng tr\u1ed3ng ph\u1ee5c h\u1ed3i sau khai th\u00e1c c\u00f3 \u1ea3nh h\u01b0\u1edfng t\u00edch c\u1ef1c nh\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng. M\u1eadt \u0111\u1ed9 tr\u1ed3ng 830c\/ha c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ed9i nh\u1ea5t \u0111\u1ebfn chi\u1ec1u cao, nh\u01b0ng m\u1eadt \u0111\u1ed9 400c\/ha l\u1ea1i c\u00f3 \u1ea3nh tr\u1ed9i nh\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c. B\u00f3n 3 kg ph\u00e2n chu\u1ed3ng\/h\u1ed1 c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ed9i nh\u1ea5t \u0111\u1ebfn sinh t\u01b0\u1edfng c\u1ee7a c\u00e2y tr\u1ed3ng. <\/p>\n<p> \u0110\u1ef1a tr\u00ean c\u00e1c k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m, \u0111\u1ec1 t\u00e0i \u0111\u00e3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c ba h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng cho ba lo\u00e0i c\u00e2y nghi\u00ean c\u1ee9u. <\/p>\n<p> <strong>T\u1eeb kh\u00f3a: <\/strong>Trai l\u00fd, V\u00f9 h\u01b0\u01a1ng, S\u01b0a, T\u00e2y B\u1eafc.<strong><\/strong> <\/p>\n<p> <strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong>  <\/p>\n<p> Trai l\u00fd (<em>Garcinia fagraeoides<\/em> A.Chev) thu\u1ed9c h\u1ecd M\u0103ng c\u1ee5t (<em>Clusiaceae<\/em> Lindl), V\u00f9 h\u01b0\u01a1ng hay c\u00f2n g\u1ecdi l\u00e0 G\u00f9 h\u01b0\u01a1ng (<em>Cinnamomum balanseae <\/em>Lec) thu\u1ed9c h\u1ecd Long n\u00e3o (Lauraceae) v\u00e0 S\u01b0a hay c\u00f2n g\u1ecdi l\u00e0 Tr\u1eafc th\u1ed1i, \u0111\u00e2y l\u00e0 3 lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba, c\u00f3 gi\u00e1 tr\u1ecb cao v\u1ec1 sinh th\u00e1i v\u00e0 kinh t\u1ebf t\u1ea1i v\u00f9ng T\u00e2y B\u1eafc. Hi\u1ec7n nay c\u00e1c lo\u00e0i c\u00e2y n\u00e0y \u0111\u00e3 b\u1ecb khai th\u00e1c ki\u1ec7t ngo\u00e0i t\u1ef1 nhi\u00ean, kh\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 ph\u1ee5c h\u1ed3i, c\u1ea3 3 lo\u00e0i n\u00e0y hi\u1ec7n nay \u0111\u00e3 c\u00f3 t\u00ean trong s\u00e1ch \u0111\u1ecf Vi\u1ec7t Nam thu\u1ed9c nh\u00f3m th\u1ef1c v\u1eadt qu\u00fd hi\u1ebfm, c\u1ea7n ph\u1ea3i b\u1ea3o t\u1ed3n. Do v\u1eady, \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u n\u00e0y \u0111\u01b0\u1ee3c tri\u1ec3n khai nh\u1eb1m g\u00f3p ph\u1ea7n cung c\u1ea5p c\u01a1 s\u1edf khoa h\u1ecdc cho tr\u1ed3ng ph\u1ee5c h\u1ed3i r\u1eebng ngh\u00e8o ki\u1ec7t t\u1ea1i v\u00f9ng T\u00e2y B\u1eafc b\u1eb1ng nh\u1eefng lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba c\u00f3 gi\u00e1 tr\u1ecb.  <\/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 181-186)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; font-size: 10pt\">Trai l&yacute; (<em>Garcinia fagraeoides<\/em> A.Chev) thu\u1ed9c h\u1ecd M\u0103ng c\u1ee5t (<em>Clusiaceae<\/em> Lindl), V&ugrave; h\u01b0\u01a1ng hay c&ograve;n g\u1ecdi l&agrave; G&ugrave; h\u01b0\u01a1ng (<em>Cinnamomum balanseae <\/em>Lec) thu\u1ed9c h\u1ecd Long n&atilde;o (Lauraceae) v&agrave; S\u01b0a hay c&ograve;n g\u1ecdi l&agrave; Tr\u1eafc th\u1ed1i, \u0111&acirc;y l&agrave; 3 lo&agrave;i c&acirc;y b\u1ea3n \u0111\u1ecba, c&oacute; gi&aacute; tr\u1ecb cao v\u1ec1 sinh th&aacute;i v&agrave; kinh t\u1ebf t\u1ea1i v&ugrave;ng T&acirc;y B\u1eafc. Hi\u1ec7n nay c&aacute;c lo&agrave;i c&acirc;y n&agrave;y \u0111&atilde; b\u1ecb khai th&aacute;c ki\u1ec7t ngo&agrave;i t\u1ef1 nhi&ecirc;n, kh&oacute; c&oacute; kh\u1ea3 n\u0103ng t\u1ef1 ph\u1ee5c h\u1ed3i, c\u1ea3 3 lo&agrave;i n&agrave;y hi\u1ec7n nay \u0111&atilde; c&oacute; t&ecirc;n trong s&aacute;ch \u0111\u1ecf Vi\u1ec7t Nam thu\u1ed9c nh&oacute;m th\u1ef1c v\u1eadt qu&yacute; hi\u1ebfm, c\u1ea7n ph\u1ea3i b\u1ea3o t\u1ed3n.<\/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\/9756"}],"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=9756"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9756\/revisions"}],"predecessor-version":[{"id":11208,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9756\/revisions\/11208"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}