{"id":8609,"date":"2009-05-24T02:27:20","date_gmt":"2009-05-23T19:27:20","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/03\/cay-vau-dang\/"},"modified":"2020-05-05T06:13:33","modified_gmt":"2020-05-04T23:13:33","slug":"cay-vau-dang","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/cay-vau-dang\/","title":{"rendered":"C\u00e2y v\u1ea7u \u0111\u1eafng"},"content":{"rendered":"

Nguy\u1ec5n T\u1eed \u01af\u1edfng<\/em><\/strong><\/p>\n

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

T\u00ean Vi\u1ec7t Nam: V\u1ea7u \u0111\u1eafng<\/em><\/strong><\/p>\n

T\u00ean \u0111\u1ecba ph\u01b0\u01a1ng: V\u1ea7u l\u00e1 nh\u1ecf<\/em><\/p>\n

T\u00ean khoa h\u1ecdc: Indosasa amabilis<\/em><\/strong> McClure<\/strong><\/p>\n

1. \u0110\u1eb7c \u0111i\u1ec3m nh\u1eadn bi\u1ebft<\/strong><\/p>\n

V\u1ea7u \u0111\u1eafng (Indosasa amabilis<\/em> McClure) l\u00e0 lo\u1ea1i tre kh\u00f4ng gai, m\u1ecdc ph\u00e2n t\u00e1n \u0111\u01a1n \u0111\u1ed9c t\u1eebng c\u00e2y. K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n tre cao 17m, th\u1eb3ng \u0111\u1ee9ng, \u0111\u01b0\u1eddng k\u00ednh 10 cm, l\u00f3ng d\u00e0i 35cm, v\u00e1ch th\u00e2n d\u1ea7y 1cm, th\u00e2n tre t\u01b0\u01a1i n\u1eb7ng 30 kg – \u0110\u00e2y l\u00e0 lo\u00e0i \u0111i\u1ec3n h\u00ecnh cho nh\u00f3m tre m\u1ecdc t\u1ea3n c\u00f3 k\u00edch th\u01b0\u1edbc th\u00e2n l\u1edbn \u1edf Vi\u1ec7t nam. Ph\u1ea7n th\u00e2n tre kh\u00f4ng c\u00f3 c\u00e0nh th\u00ec tr\u00f2n \u0111\u1ec1u, v\u00f2ng \u0111\u1ed1t kh\u00f4ng n\u1ed5i r\u00f5. Ph\u1ea7n th\u00e2n tre c\u00f3 c\u00e0nh th\u01b0\u1eddng c\u00f3 v\u1ebft l\u00f5m d\u1ecdc d\u00f3ng, v\u00f2ng \u0111\u1ed1t ph\u00ecnh to n\u1ed5i g\u1edd cao. Th\u00e2n non m\u1ea7u xanh v\u00e0 c\u00f3 l\u00f4ng, th\u1ecbt tr\u1eafng. Th\u00e2n gi\u00e0 m\u1ea7u xanh x\u00e1m, c\u00f3 \u0111\u1ecba y loang l\u1ed5, th\u1ecbt h\u01a1i h\u1ed3ng. C\u00e0nh th\u01b0\u1eddng c\u00f3 t\u1eeb 1\/2 th\u00e2n v\u1ec1 ph\u00eda ng\u1ecdn. M\u1ed7i \u0111\u1ed1t c\u00f3 3 c\u00e0nh, c\u00e0nh to \u1edf gi\u1eefa, 2 c\u00e0nh nh\u1ecf b\u1eb1ng nhau m\u1ecdc hai b\u00ean c\u00e0nh to. L\u00e1 m\u1ea7u xanh s\u1eabm h\u00ecnh ng\u1ecdn gi\u00e1o, \u0111\u1ea7u v\u00fat nh\u1ecdn, \u0111u\u00f4i t\u00f9, d\u00e0i 32 cm, r\u1ed9ng 4 cm. Th\u00e2n mo h\u00ecnh chu\u00f4ng, \u0111\u1ec9nh nh\u00f4 cao, \u0111\u00e1y h\u01a1i xo\u00e8 r\u1ed9ng, m\u1eb7t trong nh\u1eb5n, m\u1eb7t ngo\u00e0i c\u00f3 nhi\u1ec1u l\u00f4ng nhung m\u1ea7u t\u00edm s\u1edbm r\u1ee5ng. L\u00e1 mo h\u00ecnh ng\u1ecdn gi\u00e1o. Tai mo tho\u00e1i ho\u00e1 th\u00e0nh m\u1ed9t h\u00e0ng l\u00f4ng. Th\u00eca l\u00eca l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng g\u1edd, x\u1ebb r\u0103ng nh\u01b0 l\u00f4ng, s\u1edbm r\u1ee5ng. Mo s\u1edbm r\u1ee5ng, khi c\u00e2y m\u0103ng to\u1ea3 \u0111u\u00f4i \u00e9n th\u00ec mo tr\u00ean th\u00e2n c\u0169ng r\u1ee5ng g\u1ea7n h\u1ebft.<\/p>\n

2. \u0110\u1eb7c t\u00ednh sinh h\u1ecdc, sinh th\u00e1i h\u1ecdc<\/strong><\/p>\n

* \u0110i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean<\/em><\/strong><\/p>\n

Kh\u00ed h\u1eadu \u00edt n\u00f3ng, m\u01b0a nhi\u1ec1u, \u0111\u1ed9 \u1ea9m cao; H\u00e0ng n\u0103m nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n 21-22 0<\/sup>C, l\u01b0\u1ee3ng m\u01b0a tr\u00ean 1600mm (B\u1eafc Quang – H\u00e0 Giang t\u1edbi 4730mm), \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed 85-95%.<\/p>\n

\u0110\u1ecba h\u00ecnh \u0111\u1ed3i n\u00fai l\u1edbn c\u00f3 th\u1ec3 b\u1ecb chia c\u1eaft h\u00ecnh th\u00e0nh thung l\u0169ng, \u0111\u1ed9 d\u1ed1c kho\u1ea3ng 300<\/sup>. \u0110\u1ed9 cao so v\u1edbi m\u1eb7t bi\u1ec3n th\u01b0\u1eddng l\u00e0 700 \u0111\u1ebfn 1200m.<\/p>\n

\u0110\u1ea5t h\u00ecnh th\u00e0nh t\u1eeb c\u00e1c lo\u1ea1i \u0111\u00e1 phi\u1ebfn, phong ho\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i k\u00e9m. Th\u00e0nh ph\u1ea7n c\u01a1 gi\u1edbi l\u00e0 \u0111\u1ea5t th\u1ecbt c\u00f3 \u0111\u00e1 l\u1eabn. T\u1ea7ng \u0111\u1ea5t th\u01b0\u1eddng s\u00e2u 50-80cm. \u0110\u1ea5t th\u01b0\u1eddng c\u00f3 m\u1ea7u n\u00e2u v\u00e0ng, pH (KCl) = 3,2 – 4,6, C\/N = 8,3 – 9,9, m\u00f9n t\u1ed5ng s\u1ed1 (%) = 0,7 – 4,4, \u0111\u1ea1m t\u1ed5ng s\u1ed1 (%) = 0,08 – 0,32.<\/p>\n

* \u0110\u1eb7c \u0111i\u1ec3m qu\u1ea7n th\u1ec3, sinh s\u1ea3n, sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n<\/em><\/strong><\/p>\n

R\u1eebng V\u1ea7u \u0111\u1eafng l\u00e0 lo\u1ea1i r\u1eebng th\u1ee9 sinh h\u00ecnh th\u00e0nh sau khi r\u1eebng g\u1ed7 nguy\u00ean sinh b\u1ecb ph\u00e1 h\u1ea1i. Tu\u1ef3 tr\u1ea1ng th\u00e1i r\u1eebng l\u00e0 h\u1ed7n giao v\u1edbi c\u00e2y g\u1ed7 hay thu\u1ea7n lo\u1ea1i, l\u00e0 m\u1edbi ph\u1ee5c h\u1ed3i hay \u0111\u00e3 qua khai th\u00e1c ho\u1eb7c r\u1eebng t\u1ef1 nhi\u00ean \u1ed5n \u0111\u1ecbnh m\u00e0 m\u1eadt \u0111\u1ed9 c\u00e2y tr\u00ean 1ha bi\u1ebfn \u0111\u1ed9ng t\u1eeb 1300 \u0111\u1ebfn 6000 c\u00e2y. T\u1ef7 l\u1ec7 c\u00e2y gi\u00e0 \u1edf r\u1eebng \u1ed5n \u0111\u1ecbnh th\u01b0\u1eddng g\u1ea5p h\u01a1n 2 l\u1ea7n \u1edf r\u1eebng m\u1edbi ph\u1ee5c h\u1ed3i v\u00e0 ng\u01b0\u1ee3c l\u1ea1i t\u1ef7 l\u1ec7 c\u00e2y non \u1edf r\u1eebng gi\u00e0 ch\u1ec9 b\u1eb1ng 1\/4 \u1edf r\u1eebng ph\u1ee5c h\u1ed3i. V\u1ea7u \u0111\u1eafng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu b\u00f3ng, \u01b0a \u1ea9m. V\u1ea7u \u0111\u1eafng sinh tr\u01b0\u1edfng t\u1ed1t \u1edf r\u1eebng c\u00f3 c\u00e2y g\u1ed7 \u1edf t\u1ea7ng tr\u00ean, s\u01b0\u1eddn \u00e2m, ch\u00e2n \u0111\u1ed3i ho\u1eb7c theo c\u00e1c khe n\u00fai; \u1edf nh\u1eefng n\u01a1i r\u1eebng th\u01b0a, nhi\u1ec1u \u00e1nh s\u00e1ng V\u1ea7u \u0111\u1eafng sinh tr\u01b0\u1edfng c\u00f3 v\u1ebb k\u00e9m h\u01a1n.<\/p>\n

C\u00f3 h\u00e0ng ng\u00e0n ha r\u1eebng V\u1ea7u \u0111\u1eafng t\u1ef1 nhi\u00ean thu\u1ea7n lo\u1ea1i ho\u1eb7c h\u1ed7n giao v\u1edbi nhi\u1ec1u lo\u1ea1i c\u00e2y g\u1ed7 – g\u1eb7p nhi\u1ec1u nh\u1ea5t l\u00e0 c\u00e2y trong h\u1ecd \u0110\u1eadu (Leguminosae<\/em>), h\u1ecd Re (Lauraceae<\/em>), h\u1ecd Ba m\u1ea3nh v\u1ecf (Euphorbiaceae<\/em>). D\u01b0\u1edbi t\u00e1n r\u1eebng V\u1ea7u \u0111\u1eafng \u1ed5n \u0111\u1ecbnh th\u01b0\u1eddng g\u1eb7p c\u00e1c lo\u00e0i c\u00e2y \u01b0a \u1ea9m v\u00e0 \u01b0a b\u00f3ng nh\u01b0 Thi\u00ean ni\u00ean ki\u1ec7n (Homalomena occulta<\/em> (Lour.) Schott), Sa nh\u00e2n (Amomum villosum<\/em> Lour.) \u0111\u1eb7c bi\u1ec7t c\u00e2y L\u00e1 dong (Phrynium placentarium<\/em> (Lour.) Merr.) nh\u01b0 l\u00e0 c\u00e2y ch\u1ec9 th\u1ecb cho \u0111\u1ea5t r\u1eebng V\u1ea7u \u0111\u1eafng – n\u01a1i n\u00e0o L\u00e1 dong m\u1ecdc t\u1ed1t th\u00ec \u1edf \u0111\u1ea5y r\u1eebng V\u1ea7u \u0111\u1eafng c\u0169ng t\u1ed1t. Th\u1ef1c v\u1eadt ngo\u1ea1i t\u1ea7ng kh\u00e1 ph\u1ed5 bi\u1ebfn l\u00e0 Song m\u00e2y (Calamus spp.).<\/em><\/p>\n

V\u1ea7u \u0111\u1eafng ra hoa \u0111\u1ea7u c\u00e0nh, b\u00f4ng ch\u00e9t d\u00e0i t\u1edbi 10 cm mang nhi\u1ec1u hoa. Hoa k\u1ebft h\u1ea1t n\u1ea9y m\u1ea7m cho m\u1ed9t th\u1ebf h\u1ec7 m\u1edbi nh\u01b0ng ch\u01b0a theo d\u00f5i \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y t\u00e1i sinh t\u1eeb h\u1ea1t. Sau khi ra hoa th\u00ec c\u00e2y ch\u1ebft. V\u1ea7u \u0111\u1eafng c\u0169ng c\u00f3 th\u1ec3 ra hoa l\u1ebb t\u1ebb nh\u01b0ng th\u01b0\u1eddng ra hoa r\u1ed3i ch\u1ebft h\u00e0ng l\u1ecdat – V\u00e0o th\u1eadp k\u1ef7 70 h\u1ea7u h\u1ebft V\u1ea7u \u0111\u1eafng ra hoa r\u1ed3i ch\u1ebft. Chuk\u1ef3 ra hoa ch\u01b0a \u0111\u01b0\u1ee3c theo d\u00f5i nh\u01b0ng theo ng\u01b0\u1eddi d\u00e2n th\u00ec c\u0169ng kh\u00e1 d\u00e0i, kho\u1ea3ng tr\u00ean 50 n\u0103m.<\/p>\n

Th\u00e2n ng\u1ea7m th\u01b0\u1eddng b\u00f2 lan \u1edf \u0111\u1ed9 s\u00e2u 20-30cm c\u00f3 ch\u1ed7 ch\u1ed3i c\u1ea3 l\u00ean m\u1eb7t \u0111\u1ea5t, h\u00e0ng n\u0103m th\u00e2n ng\u1ea7m sinh tr\u01b0\u1edfng t\u1eeb th\u00e1ng 6 \u0111\u1ebfn th\u00e1ng 11, m\u1ea7m m\u0103ng ph\u00e1t tri\u1ec3n d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t t\u1eeb th\u00e1ng 12 \u0111\u1ebfn th\u00e1ng 1 n\u0103m sau, m\u0103ng l\u00ean kh\u1ecfi m\u1eb7t \u0111\u1ea5t \u0111\u1ebfn l\u00fac \u0111\u1ecbnh h\u00ecnh t\u1eeb th\u00e1ng 2 \u0111\u1ebfn th\u00e1ng 5 – nh\u01b0 v\u1eady m\u00f9a m\u0103ng V\u1ea7u \u0111\u1eafng l\u00e0 m\u00f9a kh\u00f4, \u0111\u1ea7u m\u00f9a m\u01b0a ( kh\u00e1c v\u1edbi c\u00e1c lo\u00e0i tre m\u1ecdc c\u1ee5m m\u00f9a m\u0103ng th\u01b0\u1eddng v\u00e0o m\u00f9a m\u01b0a). M\u0103ng tuy \u0111\u00e3 l\u00ean kh\u1ecfi m\u1eb7t \u0111\u1ea5t nh\u01b0ng ch\u1ec9 s\u1ed1ng 50% \u0111\u1ec3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00e2y, s\u1ed1 m\u0103ng ch\u1ebft th\u01b0\u1eddng \u1edf \u0111\u1ed9 cao d\u01b0\u1edbi 1m. V\u00ec v\u1eady, c\u00f3 th\u1ec3 khai th\u00e1c 1\/2 s\u1ed1 m\u0103ng \u0111\u1ec3 l\u00e0m rau \u0103n m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng g\u00ec \u0111\u1ebfn r\u1eebng V\u1ea7u.<\/p>\n

C\u00e2y 1-2 n\u0103m l\u00e0 tu\u1ed5i non, c\u00e2y 3-4 n\u0103m l\u00e0 tu\u1ed5i v\u1eeba, t\u1eeb 5 n\u0103m tr\u1edf l\u00ean l\u00e0 gi\u00e0, tu\u1ed5i th\u1ecd kh\u00f4ng qu\u00e1 10 n\u0103m, tu\u1ed5i khai th\u00e1c l\u00e0 tr\u00ean 4 n\u0103m.<\/p>\n

Sau khi b\u1ecb t\u00e1c \u0111\u1ed9ng, r\u1eebng V\u1ea7u \u0111\u1eafng c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i nhanh v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng (c\u00e2y\/ha) nh\u01b0ng \u0111\u01b0\u1eddng k\u00ednh th\u00ec ph\u1ee5c h\u1ed3i r\u1ea5t ch\u1eadm ch\u1ea1p.<\/p>\n

3. V\u00f9ng ph\u00e2n b\u1ed1<\/strong><\/p>\n

V\u1ea7u \u0111\u1eafng m\u1ecdc t\u1ef1 nhi\u00ean v\u00e0 c\u00f3 nhi\u1ec1u \u1edf c\u00e1c t\u1ec9nh L\u00e0o Cai, Y\u00ean B\u00e1i, H\u00e0 Giang, Tuy\u00ean Quang, B\u1eafc C\u1ea1n, Ph\u00fa Th\u1ecd, Th\u00e1i Nguy\u00ean, c\u0169ng c\u00f3 v\u00e0 c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n \u1edf Cao B\u1eb1ng, L\u1ea1ng S\u01a1n, Qu\u1ea3ng Ninh, S\u01a1n La, Ho\u00e0 B\u00ecnh, Thanh Ho\u00e1.<\/p>\n

4. Gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng<\/strong><\/p>\n

V\u1ea7u \u0111\u1eafng c\u00f3 t\u1ef7 l\u1ec7 Xenlulo 43%, Lignin 25%, Pentosan 16%, s\u1ee3i th\u01b0\u1eddng c\u00f3 chi\u1ec1u d\u00e0i 2,726 mm chi\u1ec1u r\u1ed9ng 22,7m, v\u00e1ch t\u1ebf b\u00e0o d\u1ea7y 10,34m. So v\u1edbi m\u1ed9t s\u1ed1 lo\u00e0i tre kh\u00e1c th\u00ec V\u1ea7u \u0111\u1eafng c\u00f3 t\u1ef7 l\u1ec7 Xenlulo h\u01a1i th\u1ea5p, ng\u01b0\u1ee3c l\u1ea1i t\u1ef7 l\u1ec7 Lignin v\u00e0 Pentosan l\u1ea1i cao. T\u1eeb n\u0103m 1969 nh\u00e0 m\u00e1y gi\u1ea5y Ho\u00e0ng V\u0103n Th\u1ee5 c\u0169ng \u0111\u00e3 \u0111\u01b0a V\u1ea7u \u0111\u1eafng l\u00e0m nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t gi\u1ea5y. V\u1ea7u \u0111\u1eafng \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t \u0111\u0169a xu\u1ea5t kh\u1ea9u nh\u01b0ng s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t v\u1eabn l\u00e0 trong x\u00e2y d\u1ef1ng.<\/p>\n

M\u0103ng V\u1ea7u \u0111\u1eafng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m th\u1ef1c ph\u1ea9m, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0103n t\u01b0\u01a1i nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 mu\u1ed1i chua ho\u1eb7c ph\u01a1i kh\u00f4; m\u0103ng \u0111\u1ea7u m\u00f9a th\u01b0\u1eddng ng\u1ecdt, m\u0103ng cu\u1ed1i v\u1ee5 c\u00f3 v\u1ecb \u0111\u1eafng.<\/p>\n

5. K\u1ef9 thu\u1eadt kinh doanh<\/strong><\/p>\n

* G\u00e2y tr\u1ed3ng<\/em>:<\/strong><\/p>\n

Theo kinh nghi\u1ec7m c\u1ee7a nh\u00e2n d\u00e2n v\u00e0 k\u1ebft qu\u1ea3 th\u0103m d\u00f2 g\u00e2y tr\u1ed3ng c\u1ee7a \u0110o\u00e0n \u0111i\u1ec1u tra 5 c\u1ee7a Vi\u1ec7n \u0111i\u1ec1u tra quy ho\u1ea1ch r\u1eebng th\u00ec c\u00f3 th\u1ec3 tr\u1ed3ng V\u1ea7u \u0111\u1eafng b\u1eb1ng gi\u1ed1ng th\u00e2n kh\u00ed sinh 1 tu\u1ed5i c\u00f3 mang c\u00e0nh l\u00e1 v\u00e0 m\u1ed9t \u0111o\u1ea1n th\u00e2n ng\u1ea7m 50-80cm; Tr\u1ed3ng v\u00e0o \u0111\u1ea7u m\u00f9a xu\u00e2n, t\u1ef7 l\u1ec7 s\u1ed1ng \u0111\u1ea1t 80-90% v\u00e0 ph\u00e1t tri\u1ec3n m\u1ea1nh.<\/p>\n

Th\u00f4ng th\u01b0\u1eddng ch\u1ec9 c\u1ea7n b\u1ea3o v\u1ec7 m\u0103ng, gi\u1eef r\u1eebng, khai th\u00e1c h\u1ee3p l\u00fd th\u00ec r\u1eebng V\u1ea7u \u0111\u1eafng c\u0169ng ph\u00e1t tri\u1ec3n nhanh.<\/p>\n

* Khai th\u00e1c<\/em><\/strong>:<\/strong><\/p>\n

C\u0169ng theo k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 chu k\u1ef3 khai th\u00e1c V\u1ea7u \u0111\u1eafng c\u1ee7a \u0111o\u00e0n \u0111i\u1ec1u tra 5 Vi\u1ec7n \u0111i\u1ec1u tra quy ho\u1ea1ch r\u1eebng th\u00ec k\u1ef9 thu\u1eadt khai th\u00e1c t\u1ed1t l\u00e0 ch\u1eb7t 1\/3 s\u1ed1 c\u00e2y hi\u1ec7n c\u00f3, chu k\u1ef3 4 n\u0103m; c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c: ch\u1eb7t 1\/2 s\u1ed1 c\u00e2y hi\u1ec7n c\u00f3, chu k\u1ef3 4 n\u0103m cho l\u1ea7n ch\u1eb7t \u0111\u1ea7u ti\u00ean r\u1eebng V\u1ea7u \u0111\u1eafng \u1ed5n \u0111\u1ecbnh trong t\u1ef1 nhi\u00ean c\u00f3 m\u1eadt \u0111\u1ed9 6000 c\u00e2y\/ha v\u00e0 t\u1ef7 l\u1ec7 c\u00e2y gi\u00e0 60-70%.<\/p>\n

6. Hi\u1ec7n tr\u1ea1ng s\u1ea3n xu\u1ea5t<\/strong><\/p>\n

V\u1ea7u \u0111\u1eafng r\u1ea5t \u00edt \u0111\u01b0\u1ee3c tr\u1ed3ng, ng\u01b0\u1eddi d\u00e2n th\u01b0\u1eddng tr\u1ed3ng V\u1ea7u ng\u1ecdt.<\/p>\n

L\u01b0\u1ee3ng m\u0103ng khai th\u00e1c h\u00e0ng n\u0103m kh\u00e1 nhi\u1ec1u (nh\u1ea5t l\u00e0 m\u0103ng \u0111\u1ea7u m\u00f9a) n\u00ean \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n r\u1eebng V\u1ea7u \u0111\u1eafng.<\/p>\n

H\u00e0ng n\u0103m khai th\u00e1c th\u00e2n tre r\u1ea5t nhi\u1ec1u nh\u01b0ng khai th\u00e1c c\u00f2n tu\u1ef3 ti\u1ec7n. R\u1eebng V\u1ea7u \u0111\u1eafng v\u1eabn \u0111\u01b0\u1ee3c coi l\u00e0 c\u1ee7a t\u1ef1 nhi\u00ean n\u00ean ch\u01b0a \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd ch\u1eb7t ch\u1ebd, \u00edt \u0111\u01b0\u1ee3c ch\u00fa \u00fd ch\u0103m s\u00f3c b\u1ea3o v\u1ec7, tu b\u1ed5 n\u00ean r\u1eebng V\u1ea7u \u0111\u1eafng c\u0169ng d\u1ea7n c\u1ea1n ki\u1ec7t.<\/p>\n

7. Khuy\u1ebfn ngh\u1ecb<\/strong><\/p>\n

– V\u1ea7u \u0111\u1eafng l\u00e0 lo\u00e0i c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb trong r\u1eebng t\u1ef1 nhi\u00ean th\u1ee9 sinh, c\u1ea7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd ch\u1eb7t ch\u1ebd v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang k\u1ef9 thu\u1eadt khai th\u00e1c \u0111\u1ec3 duy tr\u00ec v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u cung c\u1ea5p l\u00e0m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, nguy\u00ean li\u1ec7u c\u00f4ng nghi\u1ec7p gi\u1ea5y v\u00e0 ch\u1ebf bi\u1ebfn l\u00e0m c\u00e1c m\u1eb7t h\u00e0ng trong n\u01b0\u1edbc v\u00e0 xu\u1ea5t kh\u1ea9u. Ngo\u00e0i ra c\u00f3 th\u1ec3 khai th\u00e1c m\u0103ng. Tr\u01b0\u1edbc m\u1eaft \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p khoanh nu\u00f4i b\u1ea3o v\u1ec7 t\u1ed1t nh\u1eefng khu r\u1eebng c\u00f2n \u00edt ho\u1eb7c ngh\u00e8o ki\u1ec7t, khai th\u00e1c h\u1ee3p l\u00fd v\u00ec V\u1ea7u \u0111\u1eafng ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng lan tr\u00e0n v\u00e0 ph\u1ee5c h\u1ed3i nhanh v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng c\u00e2y tr\u00ean ha. Trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 g\u00e2y tr\u1ed3ng.<\/p>\n

– Kinh doanh t\u1ed5ng h\u1ee3p c\u00e1c l\u00e2m s\u1ea3n ngo\u00e0i g\u1ed7 c\u00f3 gi\u00e1 tr\u1ecb nh\u01b0 Song m\u00e2y, c\u00e2y thu\u1ed1c.<\/p>\n

T\u00e0i li\u1ec7u tham kh\u1ea3o ch\u00ednh<\/h1>\n

1.- \u0110o\u00e0n \u0111i\u1ec1u tra 5 – Vi\u1ec7n \u0111i\u1ec1u tra quy ho\u1ea1ch r\u1eebng (1980) – B\u00e1o c\u00e1o nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m r\u1eebng V\u1ea7u \u0111\u1eafng t\u1ea1i L\u00e2m tr\u01b0\u1eddng C\u1ea7u Ham – H\u00e0 Tuy\u00ean.<\/p>\n

2.- Tr\u1ea7n Xu\u00e2n Thi\u1ec7p – Vi\u1ec7n \u0111i\u1ec1u tra qui ho\u1ea1ch r\u1eebng (1978) – B\u00e1o c\u00e1o k\u1ebft qu\u1ea3 \u0111i\u1ec1u tra c\u00e2y r\u1eebng l\u00e0m nguy\u00ean li\u1ec7u gi\u1ea5y s\u1ee3i \u1edf Vi\u1ec7t nam.<\/p>\n

T\u00f3m t\u1eaft<\/p>\n

V\u1ea7u \u0111\u1eafng ( Indosasa amabilis<\/em> McClure) l\u00e0 lo\u00e0i \u0111i\u1ec3n h\u00ecnh cho nh\u00f3m tre kh\u00f4ng gai m\u1ecdc t\u1ea3n c\u00f3 k\u00edch th\u01b0\u1edbc th\u00e2n l\u1edbn \u1edf Vi\u1ec7t nam. V\u1ea7u \u0111\u1eafng c\u00f3 trong r\u1eebng t\u1ef1 nhi\u00ean th\u1ee9 sinh v\u00f9ng Trung t\u00e2m B\u1eafc B\u1ed9 v\u00e0 ph\u1ee5 c\u1eadn; n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i nhanh sau khi b\u1ecb t\u00e1c \u0111\u1ed9ng.<\/p>\n

Th\u00e2n V\u1ea7u \u0111\u1eafng \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u trong x\u00e2y d\u1ef1ng, l\u00e0m nguy\u00ean li\u1ec7u gi\u1ea5y, nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn h\u00e0ng xu\u1ea5t kh\u1ea9u. M\u0103ng V\u1ea7u \u0111\u1eafng \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u l\u00e0m th\u1ef1c ph\u1ea9m.<\/p>\n

R\u1eebng V\u1ea7u \u0111\u1eafng c\u1ea7n \u0111\u01b0\u1ee3c khoanh nu\u00f4i, b\u1ea3o v\u1ec7, khai th\u00e1c h\u1ee3p l\u00fd v\u00e0 kinh doanh t\u1ed5ng h\u1ee3p c\u00e1c l\u00e2m s\u1ea3n ngo\u00e0i g\u1ed7 c\u00f3 gi\u00e1 tr\u1ecb d\u01b0\u1edbi t\u00e1n r\u1eebng.<\/p>\n","protected":false},"excerpt":{"rendered":"

V\u1ea7u \u0111\u1eafng (Indosasa amabilis McClure) là lo\u1ea1i tre không gai, m\u1ecdc phân tán \u0111\u01a1n \u0111\u1ed9c t\u1eebng cây. Kích th\u01b0\u1edbc cây trung bình: Thân tre cao 17m, th\u1eb3ng \u0111\u1ee9ng, \u0111\u01b0\u1eddng kính 10 cm, lóng dài 35cm, vách thân d\u1ea7y 1cm, thân tre t\u01b0\u01a1i n\u1eb7ng 30 kg – \u0110ây là loài \u0111i\u1ec3n hình cho nhóm tre m\u1ecdc t\u1ea3n có kích th\u01b0\u1edbc thân l\u1edbn \u1edf Vi\u1ec7t nam. Ph\u1ea7n thân tre không có cành thì tròn \u0111\u1ec1u, vòng \u0111\u1ed1t không n\u1ed5i rõ…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":[],"categories":[81],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8609"}],"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=8609"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8609\/revisions"}],"predecessor-version":[{"id":19292,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8609\/revisions\/19292"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}