{"id":290,"date":"2005-07-06T23:26:59","date_gmt":"2005-07-06T23:26:59","guid":{"rendered":"http:\/\/vafs.dungnq.local\/2005\/07\/06\/cac-loai-tre-voi-du-an-trong-moi-5-trieu-ha-rung\/"},"modified":"2019-09-25T10:39:16","modified_gmt":"2019-09-25T03:39:16","slug":"cac-loai-tre-voi-du-an-trong-moi-5-trieu-ha-rung","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/cac-loai-tre-voi-du-an-trong-moi-5-trieu-ha-rung\/","title":{"rendered":"C\u00e1c lo\u00e0i tre v\u1edbi d\u1ef1 \u00e1n tr\u1ed3ng m\u1edbi 5 tri\u1ec7u ha r\u1eebng"},"content":{"rendered":"

Nguy\u1ec5n T\u1eed \u01af\u1edfng<\/i><\/b><\/p>\n

Vi\u1ec7n khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/i><\/h5>\n

 <\/p>\n

N\u01b0\u1edbc ta c\u00f3 kho\u1ea3ng 150 lo\u00e0i tre (c\u00e2y tre l\u00e0 t\u00ean g\u1ecdi chung cho c\u00e1c lo\u00e0i thu\u1ed9c h\u1ecd ph\u1ee5 tre- Bambusoidac<\/i>), ph\u00e2n b\u1ed1 r\u1ed9ng kh\u1eafp t\u1eeb B\u1eafc v\u00e0o Nam, t\u1eeb ven bi\u1ec3n \u0111\u1ebfn \u0111\u1ed3ng b\u1eb1ng v\u00e0 tr\u00ean n\u00fai cao.<\/p>\n

Theo “K\u1ebft qu\u1ea3 ki\u1ec3m k\u00ea r\u1eebng t\u1ef1 nhi\u00ean” 1993, trong t\u1ed5ng s\u1ed1 5.168.952 ha r\u1eebng t\u1ef1 nhi\u00ean gi\u00e0nh cho s\u1ea3n xu\u1ea5t kinh doanh c\u00f3 896.391 ha r\u1eebng tre- chi\u1ebfm 17% (tre thu\u1ea7n lo\u1ea1i l\u00e0 580.120 ha, tre h\u1ed7n giao v\u1edbi g\u1ed7 l\u00e0 316.271 ha) v\u1edbi tr\u1eef l\u01b0\u1ee3ng 3.908.066.000 c\u00e2y<\/p>\n

Theo “S\u1ed1 li\u1ec7u t\u00e0i nguy\u00ean r\u1eebng n\u0103m 1990”, trong t\u1ed5ng s\u1ed1 744.900 ha r\u1eebng tr\u1ed3ng \u0111\u00e3 c\u00f3 43.700 ha l\u00e0 tre chi\u1ebfm 5,9% v\u1edbi tr\u1eef l\u01b0\u1ee3ng 47.100.000 c\u00e2y.<\/p>\n

Tre l\u00e0 lo\u00e0i c\u00e2y c\u00f3 nhi\u1ec1u t\u00e1c d\u1ee5ng; \u1edf \u0111\u00e2u ng\u01b0\u1eddi d\u00e2n c\u0169ng ti\u1ebfp x\u00fac v\u1edbi c\u00e2y tre v\u00e0 s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb tre trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. Th\u00e2n tre l\u00e0m nh\u00e0 v\u00e0 c\u00e1c v\u1eadt d\u1ee5ng h\u00e0ng ng\u00e0y cho con ng\u01b0\u1eddi, l\u00e0m nguy\u00ean li\u1ec7u trong c\u00f4ng nghi\u1ec7p gi\u1ea5y , c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn, h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7 v\u00e0 xu\u1ea5t kh\u1ea9u. M\u0103ng tre \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn l\u00e0m th\u1ef1c ph\u1ea9m h\u00e0ng ng\u00e0y v\u00e0 xu\u1ea5t kh\u1ea9u- m\u0103ng tre \u0103n ngon l\u1ea1i c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m thu\u1ed1c.<\/p>\n

Qu\u1ea7n th\u1ec3 tre c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng; tr\u1ed3ng ven \u0111\u00ea ch\u1eafn s\u00f3ng, tr\u1ed3ng bao \u0111\u1ed3i, bao l\u00e0ng, l\u00e0m h\u00e0ng r\u00e0o ch\u1ed1ng s\u00f3i m\u00f2n, b\u1ea3o v\u1ec7 \u0111\u1ea5t, ch\u1ed1ng th\u00fa r\u1eebng v\u00e0 gia s\u00fac \u0111\u1ec3 b\u1ea3o v\u1ec7 hoa m\u00e0u. Tre th\u00edch h\u1ee3p v\u1edbi nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu v\u00e0 \u0111\u1ea5t \u0111ai, d\u1ec5 tr\u1ed3ng v\u00e0 d\u1ec5 d\u00e0ng ph\u00e1t tri\u1ec3n trong r\u1eebng th\u1ee9 sinh, nhanh ch\u00f3ng cho s\u1ea3n ph\u1ea9m v\u00e0 khai th\u00e1c trong nhi\u1ec1u n\u0103m. Khi khai th\u00e1c b\u1ea5t k\u1ef3 lo\u00e0i tre n\u00e0o \u0111\u1ec1u \u00e1p d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c ch\u1eb7t ch\u1ecdn n\u00ean \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i. Tre l\u00e0 c\u00e2y c\u1ee9u \u0111\u00f3i cho ng\u01b0\u1eddi ngh\u00e8o, c\u00e1c gia \u0111\u00ecnh c\u00f3 tr\u1ed3ng tre c\u1ea7n ti\u1ec1n l\u00fac n\u00e0o c\u0169ng c\u00f3 th\u1ec3 khai th\u00e1c tre \u0111em b\u00e1n.<\/p>\n

\u0110\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 c\u1ee7a d\u1ef1 \u00e1n tr\u1ed3ng m\u1edbi 5 tri\u1ec7u ha r\u1eebng, m\u1ed9t s\u1ed1 lo\u00e0i tre c\u00f3 th\u1ec3 th\u00edch h\u1ee3p v\u00e0 \u0111\u00e3 c\u00f3 m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u ph\u1ee5c v\u1ee5 thi\u1ebft th\u1ef1c cho s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c k\u1ec3 \u0111\u1ebfn l\u00e0:<\/p>\n

1. <\/b>Tre trong r\u1eebng t\u1ef1 nhi\u00ean c\u00f3 th\u1ec3 khoanh nu\u00f4i t\u00e1i sinh<\/b><\/p>\n

Nh\u1eefng lo\u00e0i tre n\u00e0y th\u01b0\u1eddng c\u00f3 s\u1eb5n trong r\u1eebng t\u1ef1 nhi\u00ean m\u00e0 t\u1eeb tr\u01b0\u1edbc t\u1edbi nay th\u01b0\u1eddng b\u1ecb l\u1ea1m d\u1ee5ng khai th\u00e1c, \u00edt \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, ch\u0103m s\u00f3c. N\u1ebfu trong “1 tri\u1ec7u ha cho khoanh nu\u00f4i t\u00e1i sinh<\/u>, k\u1ebft h\u1ee3p tr\u1ed3ng b\u1ed5 sung thu\u1ed9c r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n, ph\u1ee5c h\u1ed3i sinh th\u00e1i r\u1eebng \u0111\u1eb7c d\u1ee5ng” c\u00f3 c\u00e1c lo\u00e0i N\u1ee9a, V\u1ea7u \u0111\u1eafng, M\u1ea1y sang, L\u1ed3 \u00f4 th\u00ec c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u0103m s\u00f3c ch\u00fang. Sau th\u1eddi gian 5 n\u0103m ch\u00fang s\u1ebd ph\u00e1t huy vai tr\u00f2 gi\u1eef \u0111\u1ea5t, gi\u1eef n\u01b0\u1edbc v\u00e0 cho thu ho\u1ea1ch s\u1ea3n ph\u1ea9m.<\/p>\n

N\u1ee9a<\/i> – Neohouzeaua dullooa<\/i> (Gamble) A.Cams<\/p>\n

Trong r\u1eebng t\u1ef1 nhi\u00ean c\u00f3 hai d\u1ea1ng l\u00e0 N\u1ee9a l\u00e1 nh\u1ecf<\/i> (c\u00f2n g\u1ecdi l\u00e0 N\u1ee9a t\u00e9p)<\/i> v\u00e0 N\u1ee9a l\u00e1 to<\/i> (c\u00f2n g\u1ecdi l\u00e0 N\u1ee9a ng\u1ed9).<\/i> N\u1ee9a ph\u00e2n b\u1ed1 r\u1ed9ng kh\u1eafp nh\u01b0ng c\u00f3 nhi\u1ec1u \u1edf v\u00f9ng Trung t\u00e2m B\u1eafc b\u1ed9 v\u00e0 B\u1eafc Trung b\u1ed9. V\u00e0o th\u1eadp k\u1ef7 70 r\u1eebng N\u1ee9a ra hoa k\u1ebft qu\u1ea3 r\u1ed3i ch\u1ebft h\u00e0ng lo\u1ea1t, t\u00e1i sinh b\u1eb1ng h\u1ea1t \u00edt \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c n\u00ean di\u1ec7n t\u00edch r\u1eebng N\u1ee9a sau \u0111\u00f3 b\u1ecb thu h\u1eb9p.<\/p>\n

N\u1ee9a l\u00e0 lo\u00e0i tre kh\u00f4ng gai, th\u00e2n ng\u1ea7m d\u1ea1ng c\u1ee7, th\u00e2n tre m\u1ecdc qu\u1ea7n t\u1ee5 th\u00e0nh t\u1eebng c\u1ee5m c\u00f3 khi t\u1edbi h\u00e0ng m\u1ea5y tr\u0103m c\u00e2y. Tu\u1ef3 m\u1ee9c \u0111\u1ed9 r\u1eebng b\u1ecb t\u00e1c \u0111\u1ed9ng m\u00e0 r\u1eebng N\u1ee9a pha l\u1eabn \u00edt nhi\u1ec1u c\u00e2y g\u1ed7 ho\u1eb7c thu\u1ea7n lo\u1ea1i.<\/p>\n

K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n cao 10m, \u0111\u01b0\u1eddng k\u00ednh 4 cm, ng\u1ecdn cong r\u1ee7 xu\u1ed1ng d\u00e0i 2m, l\u00f3ng d\u00e0i 35 cm, v\u00e1ch th\u00e2n d\u1ea7y 0,35 cm, th\u00e2n c\u00e2y t\u01b0\u01a1i n\u1eb7ng 3 kg.<\/p>\n

Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt: B\u1ea3o v\u1ec7, ph\u00e1t d\u1ecdn c\u00e2y kh\u00f4, c\u00e2y s\u00e2u b\u1ec7nh trong kh\u00f3m; khi khai th\u00e1c th\u00ec ch\u1eb7t c\u00e2y gi\u00e0 t\u1eeb tu\u1ed5i 3 tr\u1edf l\u00ean, s\u1ed1 c\u00e2y \u0111\u1ec3 l\u1ea1i g\u1ea5p 2 l\u1ea7n s\u1ed1 c\u00e2y \u0111\u1ebb m\u0103ng trong c\u1ee5m, chu k\u1ef3 ch\u1eb7t kh\u00f4ng qu\u00e1 3 n\u0103m.<\/p>\n

V\u1ea7u \u0111\u1eafng –<\/i> Indosasa augustata<\/i> McClure<\/p>\n

V\u1ea7u \u0111\u1eafng c\u00f3 nhi\u1ec1u \u1edf v\u00f9ng Trung t\u00e2m B\u1eafc b\u1ed9 v\u00e0 \u0110\u00f4ng B\u1eafc b\u1ed9. 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 ho\u1ea1i. V\u1ea7u \u0111\u1eafng l\u00e0 lo\u00e0i tre kh\u00f4ng gai, th\u00e2n ng\u1ea7m d\u1ea1ng roi, th\u00e2n tre m\u1ecdc ph\u00e2n t\u00e1n t\u1eebng c\u00e2y, ph\u00e1t tri\u1ec3n r\u1ea5t t\u1ed1t d\u01b0\u1edbi t\u00e1n th\u01b0a c\u1ee7a r\u1eebng c\u00e2y g\u1ed7 nh\u1ea5t l\u00e0 \u1edf c\u00e1c khe h\u1ebbm , thung l\u0169ng. V\u1ea7u \u0111\u1eafng l\u00e0 lo\u00e0i \u0111i\u1ec3n h\u00ecnh cho nh\u00f3m m\u1ecdc t\u1ea3n, c\u00f3 k\u00edch th\u01b0\u1edbc th\u00e2n l\u1edbn c\u1ee7a n\u01b0\u1edbc ta.<\/p>\n

K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n cao 17m, \u0111\u01b0\u1eddng k\u00ednh 10cm, l\u00f3ng d\u00e0i 35cm, v\u00e1ch th\u00e2n d\u1ea7y 1 cm, th\u00e2n t\u01b0\u01a1i n\u1eb7ng 30kg.<\/p>\n

Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt: B\u1ea3o v\u1ec7, ch\u1eb7t c\u00e2y gi\u00e0 t\u1eeb tu\u1ed5i 4 tr\u1edf l\u00ean, chu k\u1ef3 ch\u1eb7t kh\u00f4ng qu\u00e1 4 n\u0103m.<\/p>\n

M\u1ea1y sang –<\/i>Dendrocalamus sericeus<\/i> Munro<\/p>\n

M\u1ea1y sang m\u1ecdc t\u1ef1 nhi\u00ean \u1edf v\u00f9ng T\u00e2y b\u1eafc. Trong th\u1eadp k\u1ef7 60 M\u1ea1y sang \u1edf T\u00e2y b\u1eafc \u0111\u00e3 ra hoa, k\u1ebft h\u1ea1t r\u1ed3i ch\u1ebft h\u00e0ng lo\u1ea1t; sau \u0111\u00f3, M\u1ea1y sang t\u00e1i sinh t\u1ef1 nhi\u00ean t\u1eeb h\u1ea1t v\u00e0 h\u1ea1t c\u0169ng \u0111\u01b0\u1ee3c \u0111em tr\u1ed3ng \u1edf \u0111\u00e2y v\u00e0 \u1edf v\u00f9ng Trung t\u00e2m B\u1eafc B\u1ed9. M\u1ea1y sang l\u00e0 lo\u00e0i tre kh\u00f4ng gai, th\u00e2n ng\u1ea7m d\u1ea1ng c\u1ee7, m\u1ecdc qu\u1ea7n t\u1ee5 th\u00e0nh c\u1ee5m d\u01b0\u1edbi 100 c\u00e2y, M\u1ea1y sang c\u00f3 th\u1ec3 h\u1ed7n giao v\u1edbi c\u00e2y g\u1ed7 ho\u1eb7c thu\u1ea7n lo\u00e0i.<\/p>\n

K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n cao 14m, \u0111\u01b0\u1eddng k\u00ednh 7cm, l\u00f3ng d\u00e0i 22 cm, v\u00e1ch th\u00e2n d\u1ea7y 1,3cm, th\u00e2n t\u01b0\u01a1i n\u1eb7ng 19kg.<\/p>\n

Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt: B\u1ea3o v\u1ec7, ph\u00e1t d\u1ecdn c\u00e2y kh\u00f4, c\u00e2y s\u00e2u b\u1ec7nh trong kh\u00f3m; khi khai th\u00e1c th\u00ec ch\u1eb7t c\u00e2y gi\u00e0 t\u1eeb tu\u1ed5i 4 tr\u1edf l\u00ean, chu k\u1ef3 ch\u1eb7t kh\u00f4ng qu\u00e1 4 n\u0103m.<\/p>\n

L\u1ed3 \u00f4<\/i> – Bambusa procera<\/i> A.Chev. et A.Cams<\/p>\n

L\u1ed3 \u00f4 m\u1ecdc t\u1ef1 nhi\u00ean \u1edf v\u00f9ng \u0110\u00f4ng Nam B\u1ed9 v\u00e0 T\u00e2y Nguy\u00ean, t\u1eadp trung nhi\u1ec1u \u1edf v\u00f9ng \u0110\u00f4ng Nam B\u1ed9.<\/p>\n

L\u1ed3 \u00f4 l\u00e0 lo\u00e0i tre kh\u00f4ng gai, th\u00e2n ng\u1ea7m d\u1ea1ng c\u1ee7, m\u1ecdc qu\u1ea7n t\u1ee5 th\u00e0nh c\u1ee5m d\u01b0\u1edbi 100 c\u00e2y, m\u1ecdc thu\u1ea7n lo\u1ea1i ho\u1eb7c h\u1ed7n giao v\u1edbi c\u00e2y g\u1ed7.<\/p>\n

K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n cao 16m, \u0111\u01b0\u1eddng k\u00ednh 7,6 cm, ng\u1ecdn cong 1,5 cm, l\u00f3ng d\u00e0i 42cm, v\u00e1ch th\u00e2n d\u00e0y 1 cm, th\u00e2n t\u01b0\u01a1i n\u1eb7ng 15 kg.<\/p>\n

Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt: B\u1ea3o v\u1ec7, ph\u00e1t d\u1ecdn c\u00e2y kh\u00f4, c\u00e2y s\u00e2u b\u1ec7nh trong kh\u00f3m, khi khai th\u00e1c th\u00ec ch\u1eb7t c\u00e2y gi\u00e0 t\u1eeb 4 tu\u1ed5i tr\u1edf l\u00ean, chu k\u1ef3 ch\u1eb7t kh\u00f4ng qu\u00e1 4 n\u0103m.<\/p>\n

2.- Tre trong tr\u1ed3ng r\u1eebng<\/b><\/p>\n

Trong k\u1ebf ho\u1ea1ch tr\u1ed3ng “1 tri\u1ec7u ha r\u1eebng tr\u1ed3ng m\u1edbi<\/u> thu\u1ed9c r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n, r\u1eebng ph\u00f2ng h\u1ed9 ch\u1eafn gi\u00f3, ch\u1ed1ng c\u00e1t bay, ch\u1eafn s\u00f3ng b\u1ea3o v\u1ec7 \u0111\u00ea s\u00f4ng, \u0111\u00ea bi\u1ec3n v\u00e0 v\u00f9ng d\u00e2n c\u01b0 v\u00f9ng \u0111\u1ed3i n\u00fai \u0111\u1ed3ng b\u1eb1ng<\/u>“, “2 tri\u1ec7u ha tr\u1ed3ng r\u1eebng t\u1eadp trung \u0111\u1ec3 l\u1ea5y g\u1ed7 l\u00e0m nguy\u00ean li\u1ec7u gi\u1ea5y<\/u>, g\u1ed7 tr\u1ee5 m\u1ecf, g\u1ed7 l\u1edbn, \u0111\u1eb7c s\u1ea3n, tre tr\u00fac<\/u>” v\u00e0 “50 tri\u1ec7u c\u00e2y ph\u00e2n t\u00e1n<\/u>\/n\u0103m \u1edf quanh nh\u00e0.<\/u> . .” ch\u00fang ta c\u00f3 th\u1ec3 tr\u1ed3ng c\u00e1c lo\u00e0i sau \u0111\u00e2y:<\/p>\n

Tre gai<\/i> – Bambusa stenostachya<\/i> Hack<\/p>\n

Tre gai \u0111\u01b0\u1ee3c tr\u1ed3ng r\u1ed9ng r\u00e3i nh\u1ea5t \u1edf Vi\u1ec7t Nam-T\u1eeb B\u1eafc v\u00e0o Nam, t\u1eeb \u0111\u1ed3ng b\u1eb1ng \u0111\u1ebfn mi\u1ec1n n\u00fai, nh\u01b0ng \u1edf mi\u1ec1n B\u1eafc tr\u1ed3ng nhi\u1ec1u h\u01a1n.<\/p>\n

Tre gai l\u00e0 lo\u1ea1i tre c\u00f3 nhi\u1ec1u c\u00e0nh v\u00e0 nhi\u1ec1u gai c\u1ee9ng nh\u1ecdn. Th\u00e2n ng\u1ea7m d\u1ea1ng c\u1ee7, th\u00e2n tre m\u1ecdc qu\u1ea7n t\u1ee5 chen kh\u00edt th\u00e0nh t\u1eebng c\u1ee5m d\u01b0\u1edbi 100 c\u00e2y.<\/p>\n

K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n cao 14m \u0111\u01b0\u1eddng k\u00ednh 7 cm, ng\u1ecdn cong 1m, l\u00f3ng d\u00e0i 28cm, v\u00e1ch th\u00e2n d\u1ea7y 1,8cm, th\u00e2n t\u01b0\u01a1i n\u1eb7ng 30kg<\/p>\n

Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt: Tr\u1ed3ng b\u1eb1ng g\u1ed1c, ch\u00e9t ho\u1eb7c th\u00e2n tr\u00ean nhi\u1ec1u lo\u1ea1i \u0111\u1ea5t. Ng\u01b0\u1eddi d\u00e2n c\u00f3 t\u1eadp qu\u00e1n tr\u1ed3ng th\u00e0nh t\u1eebng h\u00e0ng \u1edf ch\u00e2n \u0111\u00ea \u0111\u1ec3 ch\u1eafn s\u00f3ng b\u1ea3o v\u1ec7 \u0111\u00ea; tr\u1ed3ng \u1edf ch\u00e2n \u0111\u1ed3i, b\u1edd ao, xung quanh v\u01b0\u1eddn r\u00eca l\u00e0ng \u0111\u1ec3 ch\u1ed1ng s\u00f3i l\u1edf, ng\u0103n th\u00fa r\u1eebng, gia s\u00fac ph\u00e1 ho\u1ea1i hoa m\u1ea7u.<\/p>\n

Ng\u01b0\u1eddi d\u00e2n c\u00f3 th\u00f3i quen khi khai th\u00e1c l\u00e0 ch\u1eb7t h\u1ebft s\u1ed1 c\u00e2y trong c\u1ee5m v\u00e0 g\u1ed1c ch\u1eb7t kh\u00e1 cao v\u00ec th\u00e2n tre m\u1ecdc chen kh\u00edt. G\u1ed1c ch\u1eb7t kh\u00f4ng n\u00ean cao qu\u00e1 30 cm v\u00e0 sau khi ch\u1eb7t n\u00ean \u0111\u1ed5 th\u00eam \u0111\u1ea5t b\u00f9n v\u00e0o g\u1ed1c. C\u00f3 th\u1ec3 ch\u1eb7t lu\u00e2n phi\u00ean c\u00e1ch h\u00e0ng ho\u1eb7c c\u00e1ch kh\u00f3m \u0111\u1ec3 lu\u00f4n ph\u00e1t huy kh\u1ea3 n\u0103ng ph\u00f2ng h\u1ed9 nh\u1ea5t l\u00e0 ng\u0103n s\u00f3ng cho \u0111\u00ea.<\/p>\n

Lu\u1ed3ng<\/i> – Dendrocalamus membranaceus<\/i> Munro<\/p>\n

Lu\u1ed3ng \u0111\u01b0\u1ee3c tr\u1ed3ng nhi\u1ec1u \u1edf B\u1eafc Trung B\u1ed9. D\u1eabn gi\u1ed1ng tr\u1ed3ng \u1edf v\u00f9ng Trung T\u00e2m B\u1eafc B\u1ed9 v\u00e0 v\u00f9ng \u0110\u00f4ng Nam B\u1ed9 \u0111\u1ec1u sinh tr\u01b0\u1edfng kh\u00e1.<\/p>\n

Lu\u1ed3ng l\u00e0 lo\u00e0i tre kh\u00f4ng gai, th\u00e2n ng\u1ea7m d\u1ea1ng c\u1ee7, th\u00e2n tre m\u1ecdc qu\u1ea7n t\u1ee5 th\u00e0nh c\u1ee5m d\u01b0\u1edbi 100 c\u00e2y.<\/p>\n

K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n cao 14m, \u0111\u01b0\u1eddng k\u00ednh 10cm; l\u00f3ng d\u00e0i 33cm, v\u00e1ch th\u00e2n d\u00e0y 1cm ho\u1eb7c h\u01a1n, th\u00e2n t\u01b0\u01a1i n\u1eb7ng 37kg.<\/p>\n

Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt: C\u00f3 th\u1ec3 tr\u1ed3ng Lu\u1ed3ng b\u1eb1ng g\u1ed1c, ch\u00e9t, th\u00e2n ho\u1eb7c c\u00e0nh. Hi\u1ec7n nay, gi\u1ed1ng tr\u1ed3ng \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u l\u00e0 gi\u1ed1ng c\u00e0nh b\u00f3 b\u1ea7u tr\u00ean th\u00e2n c\u00f3 qua th\u1eddi gian \u01b0\u01a1m \u1edf v\u01b0\u1eddn \u01b0\u01a1m. \u0110\u1ea5t tr\u1ed3ng th\u01b0\u1eddng l\u00e0 \u0111\u1ea5t r\u1eebng th\u1ee9 sinh ch\u1ec9 c\u00f2n c\u00e2y nh\u1ee1, c\u00e2y b\u1ee5i. Lu\u1ed3ng \u0111\u01b0\u1ee3c tr\u1ed3ng t\u1eadp trung th\u00e0nh r\u1eebng tr\u00ean di\u1ec7n t\u00edch l\u1edbn v\u00e0 c\u0169ng \u0111\u01b0\u1ee3c tr\u1ed3ng r\u1ea3i r\u00e1c m\u1ed9t s\u1ed1 c\u1ee5m xung quanh nh\u00e0. C\u00e2y g\u1ed7 h\u1ed7n giao t\u1ed3n t\u1ea1i l\u00e2u d\u00e0i v\u1edbi Lu\u1ed3ng c\u00f3 Lim xanh (Erythrophloeum fordii Oliv.). Nh\u1eefng n\u0103m m\u1edbi tr\u1ed3ng, khi r\u1eebng ch\u01b0a kh\u00e9p t\u00e1n c\u00f3 th\u1ec3 tr\u1ed3ng xen c\u00e2y n\u00f4ng nghi\u1ec7p nh\u01b0 \u0111\u1ed7, l\u1ea1c. . . T\u1eeb n\u0103m th\u1ee9 5 c\u00f3 th\u1ec3 ch\u1eb7t t\u1ec9a nh\u1eefng c\u00e2y x\u1ea5u, ch\u1eb7t nh\u1eefng c\u00e2y tu\u1ed5i 4 tr\u1edf l\u00ean, chu k\u1ef3 ch\u1eb7t kh\u00f4ng qu\u00e1 4 n\u0103m.<\/p>\n

Tr\u00fac s\u00e0o<\/i> – Phyllostachys pubescens<\/i> Mazel ex H.de Lehaie<\/p>\n

Tr\u00fac s\u00e0o \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf v\u00f9ng \u0110\u00f4ng B\u1eafc B\u1ed9 v\u00e0 Trung t\u00e2m B\u1eafc B\u1ed9. Tr\u00fac s\u00e0o l\u00e0 lo\u00e0i tre kh\u00f4ng gai, th\u00e2n ng\u1ea7m d\u1ea1ng roi, m\u1ecdc ph\u00e2n t\u00e1n. M\u1eadt \u0111\u1ed9 trung b\u00ecnh 10.000c\u00e2y\/ha.<\/p>\n

K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n cao 10m, \u0111\u01b0\u1eddng k\u00ednh 5cm, l\u00f3ng d\u00e0i 25cm, v\u00e1ch th\u00e2n d\u1ea7y 0,6cm, th\u00e2n c\u00e2y t\u01b0\u01a1i n\u1eb7ng 6kg.<\/p>\n

Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt: Gi\u1ed1ng Tr\u00fac s\u00e0o hi\u1ec7n nay th\u01b0\u1eddng d\u00f9ng l\u00e0 m\u1ed9t \u0111o\u1ea1n th\u00e2n ng\u1ea7m d\u00e0i 40-50cm c\u00f3 mang m\u1ed9t \u0111o\u1ea1n th\u00e2n 1-2 tu\u1ed5i d\u00e0i 50-70cm. Th\u00f4ng th\u01b0\u1eddng Tr\u00fac s\u00e0o \u0111\u01b0\u1ee3c tr\u1ed3ng thu\u1ea7n lo\u1ea1i t\u1eebng \u0111\u00e1m 1-2ha \u1edf s\u01b0\u1eddn \u0111\u1ed3i. Trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n ch\u00fang x\u00e2m l\u1ea5n v\u00e0o r\u1eebng g\u1ed7 ngh\u00e8o ki\u1ec7t \u1edf xung quanh t\u1ea1o n\u00ean r\u1eebng h\u1ed7n giao v\u1edbi c\u00e2y g\u1ed7 r\u1ea3i r\u00e1c \u1edf t\u1ea7ng tr\u00ean. Ch\u1eb7t c\u00e2y t\u1eeb tu\u1ed5i 4 tr\u1edf l\u00ean, chu k\u1ef3 ch\u1eb7t kh\u00f4ng qu\u00e1 4 n\u0103m.<\/p>\n

Di\u1ec5n tr\u1ee9ng<\/i>ho\u1eb7c Tre t\u1ea7u<\/i> – Sinocalamus latiflorus<\/i> (Munro) McClure<\/p>\n

Di\u1ec5n tr\u1ee9ng l\u00e0 lo\u00e0i tre kh\u00f4ng gai, th\u00e2n ng\u1ea7m d\u1ea1ng c\u1ee7, m\u1ecdc qu\u1ea7n t\u1ee5 th\u00e0nh c\u1ee5m d\u01b0\u1edbi 100 c\u00e2y. \u0110\u01b0\u1ee3c tr\u1ed3ng nhi\u1ec1u \u1edf v\u00f9ng Trung t\u00e2m B\u1eafc B\u1ed9 v\u00e0 \u0110\u00f4ng Nam B\u1ed9.<\/p>\n

K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n cao 15m; \u0111\u01b0\u1eddng k\u00ednh 8cm, ng\u1ecdn cong d\u00e0i 1m, l\u00f3ng d\u00e0i 38 cm, v\u00e1ch th\u00e2n d\u00e0y 1,1cm th\u00e2n t\u01b0\u01a1i n\u1eb7ng 22 kg.<\/p>\n

Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt: Gi\u1ed1ng tr\u1ed3ng c\u00f3 th\u1ec3 l\u00e0 g\u1ed1c, ch\u00e9t, th\u00e2n ho\u1eb7c c\u00e0nh. Ng\u01b0\u1eddi d\u00e2n th\u01b0\u1eddng tr\u1ed3ng \u1edf ch\u00e2n \u0111\u1ed3i, quanh nh\u00e0 n\u00ean \u00edt khi c\u00f3 1-2 ha. Hi\u1ec7n nay \u1edf v\u00f9ng \u0110\u00f4ng Nam B\u1ed9 \u0111\u00e3 v\u00e0 \u0111ang nghi\u00ean c\u1ee9u tr\u1ed3ng chuy\u00ean canh l\u1ea5y m\u0103ng. Ng\u01b0\u1eddi d\u00e2n c\u00f3 t\u1eadp qu\u00e1n khi ch\u1eb7t ch\u1ec9 \u0111\u1ec3 l\u1ea1i c\u00e2y 1 tu\u1ed5i. T\u1ed1t nh\u1ea5t l\u00e0 ch\u1eb7t c\u00e2y 4 tu\u1ed5i tr\u1edf l\u00ean, chu k\u1ef3 ch\u1eb7t kh\u00f4ng qu\u00e1 4 n\u0103m.<\/p>\n

M\u1ea1nh t\u00f4ng<\/i>– Dendrocalamus asper<\/i> (Schult.f.) Back ex Heyne.<\/p>\n

M\u1ea1nh t\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed3ng nhi\u1ec1u \u1edf v\u00f9ng \u0110\u00f4ng Nam B\u1ed9. M\u1ea1nh t\u00f4ng l\u00e0 lo\u00e0i tre kh\u00f4ng gai, th\u00e2n ng\u1ea7m d\u1ea1ng c\u1ee7, m\u1ecdc qu\u1ea7n t\u1ee5 th\u00e0nh c\u1ee5m d\u01b0\u1edbi 100 c\u00e2y.<\/p>\n

K\u00edch th\u01b0\u1edbc c\u00e2y trung b\u00ecnh: Th\u00e2n cao 19 m, \u0111\u01b0\u1eddng k\u00ednh 11cm, l\u00f3ng d\u00e0i 28 cm, v\u00e1ch th\u00e2n d\u00e0y 2cm, th\u00e2n c\u00e2y t\u01b0\u01a1i n\u1eb7ng 57kg.<\/p>\n

Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt: Gi\u1ed1ng tr\u1ed3ng th\u01b0\u1eddng d\u00f9ng l\u00e0 g\u1ed1c ho\u1eb7c ch\u00e9t. Ng\u01b0\u1eddi d\u00e2n th\u01b0\u1eddng tr\u1ed3ng \u1edf quanh nh\u00e0 \u0111\u1ec3 l\u1ea5y m\u0103ng v\u00ec cho nhi\u1ec1u m\u0103ng to, \u0103n ngon.<\/p>\n

Hi\u1ec7n nay \u1edf v\u00f9ng \u0110\u00f4ng Nam B\u1ed9 \u0111\u00e3 v\u00e0 \u0111ang nghi\u00ean c\u1ee9u tr\u1ed3ng chuy\u00ean canh l\u1ea5y m\u0103ngv\u00e0 d\u00f9ng gi\u1ed1ng c\u00e0nh \u0111\u01b0\u1ee3c b\u00f3 b\u1ea7u tr\u00ean th\u00e2n tre.<\/p>\n

M\u1ed9t s\u1ed1 lo\u00e0i tre tr\u1ed3ng l\u1ea5y m\u0103ng m\u1edbi nh\u1eadp n\u1ed9i<\/i><\/p>\n

V\u1eeba qua B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n c\u00f3 cho nh\u1eadp m\u1ed9t s\u1ed1 tre tr\u1ed3ng l\u1ea5y m\u0103ng, ngu\u1ed3n gi\u1ed1ng t\u1eeb Trung Qu\u1ed1c v\u00e0 \u0110\u00e0i Loan.<\/p>\n

Lo\u00e0i L\u1ee5c tr\u00fac<\/i> (Bambusa oldhamii <\/i>Munro), gi\u1ed1ng \u0111\u01b0\u1ee3c nh\u1eadp t\u1eeb \u0110\u00e0i Loan, tr\u1ed3ng n\u0103m 1997 t\u1ea1i B\u1eafc Giang. R\u1eebng tr\u1ed3ng c\u00f3 tri\u1ec3n v\u1ecdng t\u1ed1t nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed5ng k\u1ebft. Hi\u1ec7n nay lo\u00e0i L\u1ee5c tr\u00fac \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u00e2n gi\u1ed1ng \u0111em tr\u1ed3ng \u1edf m\u1ed9t s\u1ed1 n\u01a1i nh\u01b0 H\u00e0 T\u00e2y, Ho\u00e0 B\u00ecnh, Ph\u00fa Th\u1ecd, L\u1ea1ng S\u01a1n. . .<\/p>\n

C\u00e1c lo\u00e0i B\u00e1t \u0111\u1ed9, T\u1ea1p giao nh\u1eadp gi\u1ed1ng t\u1eeb Trung Qu\u1ed1c \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u t\u1ea1i b\u1ea3n “Tin d\u1ef1 \u00e1n 5 tri\u1ec7u hecta r\u1eebng” (s\u1ed1 1 th\u00e1ng 9 n\u0103m 1999).<\/p>\n

Trong b\u00e0i vi\u1ebft ng\u1eafn n\u00e0y, v\u1ea5n \u0111\u1ec1 n\u00eau l\u00ean ch\u1ec9 l\u00e0 g\u1ee3i \u00fd v\u00e0 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt ch\u1ec9 l\u00e0 t\u00f3m l\u01b0\u1ee3c. Ch\u00fang t\u00f4i hy v\u1ecdng c\u00e2y tre s\u1ebd g\u00f3p ph\u1ea7n nh\u1ecf trong vi\u1ec7c th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 tr\u1ed3ng m\u1edbi 5 tri\u1ec7u ha r\u1eebng.<\/p>\n

T\u00e0i li\u1ec7u tham kh\u1ea3o ch\u00ednh<\/h4>\n

1.- B\u1ed9 n\u00f4ng nghi\u1ec7p v\u00e0 ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n, Tin d\u1ef1 \u00e1n 5 tri\u1ec7u hecta r\u1eebng (s\u1ed1 1 th\u00e1ng 9 n\u0103m 1999)<\/p>\n

2.- Nguy\u1ec5n \u0110\u00ecnh H\u01b0ng, Nguy\u1ec5n T\u1eed \u01af\u1edfng, Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a, Nguy\u1ec5n T\u1eed Kim, \u0110\u1ed7 \u0110\u00ecnh S\u00e2m (ch\u1ee7 bi\u00ean): T\u00e0i nguy\u00ean tre Vi\u1ec7t nam (B\u00e1o c\u00e1o qu\u1ed1c gia-2000)<\/p>\n

3.- Nguy\u1ec5n T\u1eed \u01af\u1edfng v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1: T\u00e0i nguy\u00ean tre v\u00e0 song m\u00e2y (B\u00e1o c\u00e1o \u0111\u1ec1 m\u1ee5c c\u1ee7a \u0111\u1ec1 t\u00e0i nh\u00e0 n\u01b0\u1edbc KN03-12).<\/p>\n

Summary<\/h4>\n

Bamboos in the project of planning new 5 million hectares of forest.<\/b><\/p>\n

Bamboos are useful for many purposes. They occur in natural forests and are planted as forest plantation. Neohouzeaua dulloa (Gamble) A.CAm., Indosasa augustata McClure, Dendrocalamus sericeus<\/i> Munro, Bambusa procera<\/i> A.Chev.et A.Cam., should be protected and tended if they are found in restored forests.<\/p>\n

According to the purpose of the plantation, suitable species can be selected among the following, ones: : Bambusa stenostachya<\/i> Hack, Dendrocalamus membranaceus<\/i> Munro, Phyllostachys pubescens<\/i> Mazel ex H.de Lehaie, Sinocalamus latiflorus<\/i> (Munro) McClure, Dendrocalamus asper<\/i> (Schet.f.) Back.ex Heyne and some other exotic bamboo species can also be selected for shoot production.<\/p>\n","protected":false},"excerpt":{"rendered":"

N\u01b0\u1edbc ta c\u00f3 kho\u1ea3ng 150 lo\u00e0i tre (c\u00e2y tre l\u00e0 t\u00ean g\u1ecdi chung cho c\u00e1c lo\u00e0i thu\u1ed9c h\u1ecd ph\u1ee5 tre- Bambusoidac), ph\u00e2n b\u1ed1 r\u1ed9ng kh\u1eafp t\u1eeb B\u1eafc v\u00e0o Nam, t\u1eeb ven bi\u1ec3n \u0111\u1ebfn \u0111\u1ed3ng b\u1eb1ng v\u00e0 tr\u00ean n\u00fai cao. <\/p>\n

Theo “K\u1ebft qu\u1ea3 ki\u1ec3m k\u00ea r\u1eebng t\u1ef1 nhi\u00ean” 1993, trong t\u1ed5ng s\u1ed1 5.168.952 ha r\u1eebng t\u1ef1 nhi\u00ean gi\u00e0nh cho s\u1ea3n xu\u1ea5t kinh doanh c\u00f3 896.391 ha r\u1eebng tre- chi\u1ebfm 17% (tre thu\u1ea7n lo\u1ea1i l\u00e0 580.120 ha, tre h\u1ed7n giao v\u1edbi g\u1ed7 l\u00e0 316.271 ha) v\u1edbi tr\u1eef l\u01b0\u1ee3ng 3.908.066.000 c\u00e2y <\/p>\n","protected":false},"author":2,"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\/290"}],"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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=290"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/290\/revisions"}],"predecessor-version":[{"id":19374,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/290\/revisions\/19374"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}