{"id":9438,"date":"2010-10-20T20:56:29","date_gmt":"2010-10-20T13:56:29","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/10\/danh-gia-sinh-truong-cua-may-nep-trong-trong-vuon-ho-va-duoi-tan-rung-bac-kan\/"},"modified":"2015-05-19T14:29:49","modified_gmt":"2015-05-19T07:29:49","slug":"danh-gia-sinh-truong-cua-may-nep-trong-trong-vuon-ho-va-duoi-tan-rung-bac-kan","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/danh-gia-sinh-truong-cua-may-nep-trong-trong-vuon-ho-va-duoi-tan-rung-bac-kan\/","title":{"rendered":"\u0110\u00e1nh gi\u00e1 sinh tr\u01b0\u1edfng c\u1ee7a M\u00e2y n\u1ebfp tr\u1ed3ng trong v\u01b0\u1eddn h\u1ed9 v\u00e0 d\u01b0\u1edbi t\u00e1n r\u1eebng B\u1eafc K\u1ea1n"},"content":{"rendered":"<p><strong>L\u00ea Thu Hi\u1ec1n, L\u01b0u Qu\u1ed1c Th\u00e0nh, Nguy\u1ec5n Quang H\u01b0ng<\/strong><\/p>\n<p><em>Ph\u00f2ng Nghi\u00ean c\u1ee9u T\u00e0i nguy\u00ean Th\u1ef1c v\u1eadt r\u1eebng<\/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><\/p>\n<p>Hi\u1ec7n nay, M\u00e2y n\u1ebfp \u0111\u01b0\u1ee3c g\u00e2y tr\u1ed3ng kh\u00e1 ph\u1ed5 bi\u1ebfn theo 2 ph\u01b0\u01a1ng th\u1ee9c: Tr\u1ed3ng trong v\u01b0\u1eddn h\u1ed9 v\u00e0 d\u01b0\u1edbi t\u00e1n r\u1eebng. M\u00e2y n\u1ebfp tr\u1ed3ng l\u00e0m h\u00e0ng r\u00e0o quanh v\u01b0\u1eddn h\u1ed9 \u1edf x\u00e3 Quang Thu\u1eadn, huy\u1ec7n B\u1ea1ch Th\u00f4ng, t\u1ec9nh B\u1eafc K\u1ea1n sau 4,5 n\u0103m c\u00f3 t\u1ef7 l\u1ec7 s\u1ed1ng \u0111\u1ea1t 91-95%, cho sinh tr\u01b0\u1edfng v\u1ec1 chi\u1ec1u cao 220-455cm, sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh l\u00e0 0,7-1cm, 100% M\u00e2y n\u1ebfp \u0111\u00e3 c\u00f3 2 nh\u00e1nh tr\u1edf l\u00ean; trong \u0111\u00f3 m\u00f4 h\u00ecnh 6 (tr\u1ed3ng m\u00e2y theo r\u1ea1ch, \u0111\u1eb7t b\u1ea7u c\u00e1ch nhau kho\u1ea3ng 2-3cm, 10-12b\u1ea7u\/m) c\u00f3 chi\u1ec1u cao trung b\u00ecnh cao nh\u1ea5t, \u0111\u1ea1t 455cm. M\u00e2y n\u1ebfp tr\u1ed3ng d\u01b0\u1edbi t\u00e1n r\u1eebng \u1edf v\u01b0\u1eddn qu\u1ed1c gia Ba B\u1ec3, t\u1ec9nh B\u1eafc K\u1ea1n sau 3,5 n\u0103m tu\u1ed5i c\u00f3 t\u1ef7 l\u1ec7 s\u1ed1ng 85-90%, sinh tr\u01b0\u1edfng v\u1ec1 chi\u1ec1u cao \u0111\u1ea1t 52-67cm, sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh l\u00e0 0,9-1,1cm, t\u1ef7 l\u1ec7 \u0111\u1ebb nh\u00e1nh t\u1eeb 24,9 \u0111\u1ebfn 43,2%; trong \u0111\u00f3 m\u00f4 h\u00ecnh 1 (250 c\u1ee5m\/ha, m\u1ed7i c\u1ee5m 3 h\u1ed1, m\u1ed7i h\u1ed1 tr\u1ed3ng 1 c\u00e2y) cho sinh tr\u01b0\u1edfng v\u1ec1 chi\u1ec1u cao l\u00e0 l\u1edbn nh\u1ea5t, \u0111\u1ea1t 108cm (\u1edf khu Trung t\u00e2m) v\u00e0 58cm (\u1edf khu \u0110\u1ed3n \u0110\u00e8n.<\/p>\n<p><strong>T\u1eeb kho\u00e1<\/strong>: M\u00e2y, <em>Calamus tetradactylus <\/em>Hance, V\u01b0\u1eddn h\u1ed9, D\u01b0\u1edbi t\u00e1n r\u1eebng<strong><\/strong><\/p>\n<p><strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n<p>Do c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh b\u1ec1n, b\u00f3ng \u0111\u1eb9p, d\u1ebbo, d\u1ec5 u\u1ed1n n\u00ean M\u00e2y n\u1ebfp <em>(Calamus tetradactylus <\/em>Hance<em>)<\/em> l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u m\u1eb7t h\u00e0ng nh\u01b0 \u0111\u1ed3 gia d\u1ee5ng, b\u00e0n gh\u1ebf, s\u1ea3n ph\u1ea9m m\u1ef9 ngh\u1ec7 d\u00f9ng trong n\u01b0\u1edbc v\u00e0 xu\u1ea5t kh\u1ea9u. Hi\u1ec7n nay, M\u00e2y n\u1ebfp \u0111\u01b0\u1ee3c g\u00e2y tr\u1ed3ng kh\u00e1 ph\u1ed5 bi\u1ebfn theo 2 ph\u01b0\u01a1ng th\u1ee9c: Tr\u1ed3ng trong v\u01b0\u1eddn h\u1ed9 v\u00e0 d\u01b0\u1edbi t\u00e1n r\u1eebng, nh\u01b0 \u1edf m\u1ed9t s\u1ed1 t\u1ec9nh: Th\u00e1i B\u00ecnh, Ph\u00fa Th\u1ecd, H\u00e0 T\u00e2y, Ho\u00e0 B\u00ecnh, Ngh\u1ec7 An,&#8230;. B\u1eafc K\u1ea1n l\u00e0 t\u1ec9nh mi\u1ec1n n\u00fai c\u00f3 di\u1ec7n t\u00edch r\u1eebng chi\u1ebfn t\u1edbi 49,1%, h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00e2n sinh s\u1ed1ng trong khu v\u1ef1c c\u00f3 r\u1eebng l\u00e0 ng\u01b0\u1eddi d\u00e2n t\u1ed9c thi\u1ec3u s\u1ed1, cu\u1ed9c s\u1ed1ng ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o s\u1ea3n xu\u1ea5t n\u00f4ng l\u00e2m nghi\u1ec7p \u0111\u1eddi s\u1ed1ng g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn v\u1edbi c\u00e1c ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt c\u00f2n r\u1ea5t h\u1ea1n ch\u1ebf. Do v\u1eady, vi\u1ec7c tham gia x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh tr\u1ed3ng M\u00e2y n\u1ebfp gi\u00fap ng\u01b0\u1eddi d\u00e2n n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c k\u1ef9 thu\u1eadt tr\u1ed3ng v\u00e0 n\u00e2ng cao nh\u1eadn th\u1ee9c v\u1ec1 vai tr\u00f2 c\u1ee7a c\u00e2y M\u00e2y n\u1ebfp. Trong giai \u0111o\u1ea1n 2004-2008, ph\u00f2ng Nghi\u00ean c\u1ee9u T\u00e0i nguy\u00ean Th\u1ef1c v\u1eadt r\u1eebng th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i <em>&#8220;X\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh tr\u1ed3ng M\u00e2y n\u1ebfp (Calamus tetradactylus <\/em>Hance<em>) d\u01b0\u1edbi t\u00e1n r\u1eebng v\u00e0 trong v\u01b0\u1eddn h\u1ed9 \u1edf B\u1eafc K\u1ea1n&#8221;<\/em>thu\u1ed9c ch\u01b0\u01a1ng tr\u00ecnh 661. B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 v\u1ec1 t\u00ecnh h\u00ecnh sinh tr\u01b0\u1edfng c\u1ee7a M\u00e2y n\u1ebfp tr\u1ed3ng trong v\u01b0\u1eddn h\u1ed9 \u1edf th\u00f4n Khu\u1ed5i Pi\u1ec3u \u2013 x\u00e3 Quang Thu\u1eadn \u2013 huy\u1ec7n B\u1ea1ch Th\u00f4ng v\u00e0 M\u00e2y n\u1ebfp tr\u1ed3ng d\u01b0\u1edbi t\u00e1n r\u1eebng \u1edf V\u01b0\u1eddn qu\u1ed1c gia Ba B\u1ec3 \u2013 t\u1ec9nh B\u1eafc K\u1ea1n.<\/p>\n<p>(Trang 1256-1261) <strong><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial\"><font size=\"2\">Hi\u1ec7n nay, M&acirc;y n\u1ebfp \u0111\u01b0\u1ee3c g&acirc;y tr\u1ed3ng kh&aacute; ph\u1ed5 bi\u1ebfn theo 2 ph\u01b0\u01a1ng th\u1ee9c: Tr\u1ed3ng trong v\u01b0\u1eddn h\u1ed9 v&agrave; d\u01b0\u1edbi t&aacute;n r\u1eebng. M&acirc;y n\u1ebfp tr\u1ed3ng l&agrave;m h&agrave;ng r&agrave;o quanh v\u01b0\u1eddn h\u1ed9 \u1edf x&atilde; Quang Thu\u1eadn, huy\u1ec7n B\u1ea1ch Th&ocirc;ng, t\u1ec9nh B\u1eafc K\u1ea1n sau 4,5 n\u0103m c&oacute; t\u1ef7 l\u1ec7 s\u1ed1ng \u0111\u1ea1t 91-95%, cho sinh tr\u01b0\u1edfng v\u1ec1 chi\u1ec1u cao 220-455cm, sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k&iacute;nh l&agrave; 0,7-1cm, 100% M&acirc;y n\u1ebfp \u0111&atilde; c&oacute; 2 nh&aacute;nh tr\u1edf l&ecirc;n; trong \u0111&oacute; m&ocirc; h&igrave;nh 6 (tr\u1ed3ng m&acirc;y theo r\u1ea1ch, \u0111\u1eb7t b\u1ea7u c&aacute;ch nhau kho\u1ea3ng 2-3cm, 10-12b\u1ea7u\/m) c&oacute; chi\u1ec1u cao trung b&igrave;nh cao nh\u1ea5t, \u0111\u1ea1t 455cm. M&acirc;y n\u1ebfp tr\u1ed3ng d\u01b0\u1edbi t&aacute;n r\u1eebng \u1edf v\u01b0\u1eddn qu\u1ed1c gia Ba B\u1ec3, t\u1ec9nh B\u1eafc K\u1ea1n sau 3,5 n\u0103m tu\u1ed5i c&oacute; t\u1ef7 l\u1ec7 s\u1ed1ng 85-90%, sinh tr\u01b0\u1edfng v\u1ec1 chi\u1ec1u cao \u0111\u1ea1t 52-67cm, sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k&iacute;nh l&agrave; 0,9-1,1cm, t\u1ef7 l\u1ec7 \u0111\u1ebb nh&aacute;nh t\u1eeb 24,9 \u0111\u1ebfn 43,2%; trong \u0111&oacute; m&ocirc; h&igrave;nh 1 (250 c\u1ee5m\/ha, m\u1ed7i c\u1ee5m 3 h\u1ed1, m\u1ed7i h\u1ed1 tr\u1ed3ng 1 c&acirc;y) cho sinh tr\u01b0\u1edfng v\u1ec1 chi\u1ec1u cao l&agrave; l\u1edbn nh\u1ea5t, \u0111\u1ea1t 108cm (\u1edf khu Trung t&acirc;m) v&agrave; 58cm (\u1edf khu \u0110\u1ed3n \u0110&egrave;n.<\/font><\/span><\/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\/9438"}],"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=9438"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9438\/revisions"}],"predecessor-version":[{"id":15272,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9438\/revisions\/15272"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}