{"id":8844,"date":"2009-03-24T04:32:36","date_gmt":"2009-03-23T21:32:36","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/03\/dac-diem-sinh-truong-phat-trien-than-ngam-va-nhan-giong-truc-sao-phyllostachys-pubescens-mazel-ex-de-lehaie-bang-giam-hom\/"},"modified":"2019-09-24T10:51:05","modified_gmt":"2019-09-24T03:51:05","slug":"dac-diem-sinh-truong-phat-trien-than-ngam-va-nhan-giong-truc-sao-phyllostachys-pubescens-mazel-ex-de-lehaie-bang-giam-hom","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/dac-diem-sinh-truong-phat-trien-than-ngam-va-nhan-giong-truc-sao-phyllostachys-pubescens-mazel-ex-de-lehaie-bang-giam-hom\/","title":{"rendered":"\u0110\u1eb7c \u0111i\u1ec3m sinh tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n th\u00e2n ng\u1ea7m v\u00e0 Nh\u00e2n gi\u1ed1ng tr\u00fac s\u00e0o (Phyllostachys pubescens Mazel Ex de Lehaie ) b\u1eb1ng gi\u00e2m hom"},"content":{"rendered":"

\u0110\u1eb7c \u0111i\u1ec3m sinh tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n th\u00e2n ng\u1ea7m v\u00e0 Nh\u00e2n gi\u1ed1ngtr\u00fac s\u00e0o (Phyllostachys pubescens <\/em>Mazel Ex de Lehaie )<\/em> b\u1eb1ng gi\u00e2m <\/strong>hom<\/strong><\/p>\n

D\u01b0\u01a1ng M\u1ed9ng H\u00f9ng<\/strong> <\/em><\/p>\n

Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc L\u00e2m nghi\u1ec7p<\/em><\/p>\n

Tr\u00fac s\u00e0o (Phyllostachys pubescens <\/em>Mazel Ex de Lehaie )<\/em> c\u00f2n c\u00f3 t\u00ean \u0111\u1ecba ph\u01b0\u01a1ng g\u1ecdi l\u00e0 M\u1ea1y kho\u00e1n c\u00e1o, R\u00e0o P\u1ebfn, l\u00e0 lo\u00e0i c\u00e2y \u00e1 nhi\u1ec7t \u0111\u1edbi, \u1edf n\u01b0\u1edbc ta \u0111\u01b0\u1ee3c tr\u1ed3ng nhi\u1ec1u t\u1ea1i c\u00e1c t\u1ec9nh Cao B\u1eb1ng, B\u1eafc K\u1ea1n v\u00e0 v\u1ea7 m\u1ed9t s\u1ed1 huy\u1ec7n ph\u00eda B\u1eafc Th\u00e1i Nguy\u00ean. Trong c\u00e1c t\u1ec9nh tr\u00ean, Cao B\u1eb1ng c\u00f3 di\u1ec7n t\u00edch Tr\u00fac l\u1edbn nh\u1ea5t. Nhi\u1ec1u n\u0103m qua, Tr\u00fac s\u00e0o l\u00e0 nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ed1 m\u1eb7t h\u00e0ng xu\u1ea5t kh\u1ea9u c\u00f3 gi\u00e1 tr\u1ecb c\u1ee7a Cao B\u1eb1ng nh\u01b0m\u00e0nh , chi\u1ebfu Tr\u00fac, b\u00e0n, gh\u1ebf\u2026 . Th\u00e2n Tr\u00fac s\u00e0o th\u1eb3ng, m\u1ecdc t\u1ea3n , \u0111\u1ed9 th\u00f3t ng\u1ecdn nh\u1ecf , n\u00ean h\u1ec7 s\u1ed1 s\u1eed d\u1ee5ng cao, v\u00e1ch th\u00e2n d\u00e0y n\u00ean \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 l\u00e0m v\u00e1n gh\u00e9p, h\u00e0m l\u01b0\u1ee3ng Xellulo cao (60%), s\u1ee3i d\u00e0i trung binh 2mm n\u00ean l\u00e0m b\u1ed9t gi\u1ea5y t\u1ed1t. G\u1ed1c, r\u1ec5 c\u00e2y \u0111\u01b0\u1ee3c l\u00e0m \u0111\u1ed3 m\u1ef9 ngh\u1ec7 c\u00f3 gi\u00e1 tr\u1ecb. M\u1ed7i ha c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c trung b\u00ecnh 1000kg m\u0103ng t\u01b0\u01a1i, trong \u0111\u00f3 ch\u1ee9a t\u1edbi 17 lo\u1ea1i a xit amin. \u1edf Trung Qu\u1ed1c, l\u00e1 Tr\u00fac s\u00e0o c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ebf bi\u1ebfn th\u00e0nh n\u01b0\u1edbc u\u1ed1ng c\u00f3 t\u00e1c d\u1ee5ng gi\u1ea3i nhi\u1ec7t t\u1ed1t. \u0110\u1eb7c bi\u1ec7t, Tr\u00fac s\u00e0o c\u00f3 h\u1ec7 th\u00e2n ng\u1ea7m v\u00e0 b\u1ed9 r\u1ec5 ph\u00e1t tri\u1ec3n ch\u1eb1ng ch\u1ecbt \u1edf d\u01b0\u1edbi \u0111\u1ea5t n\u00ean c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef \u0111\u1ea5t, gi\u1eef n\u01b0\u1edbc tr\u00ean v\u00f9ng \u0111\u1ed3i n\u00fai d\u1ed1c r\u1ea5t t\u1ed1t.<\/p>\n

Tr\u00fac s\u00e0o sinh s\u1ea3n ch\u1ee7 y\u1ebfu b\u1eb1ng th\u00e2n ng\u1ea7m. Tuy nhi\u00ean c\u0169ng c\u00f3 n\u0103m ra hoa k\u1ebft h\u1ea1t. \u1edf n\u01b0\u1edbc ta Tr\u00fac s\u00e0o l\u00e1c \u0111\u00e1c c\u00f3 ra hoa nh\u01b0ng t\u1ef7 l\u1ec7 k\u1ebft h\u1ea1t r\u1ea5t th\u1ea5p, h\u1ea1t kh\u00f4ng c\u00f3 s\u1ee9c s\u1ed1ng. Tr\u00ean th\u1ef1c t\u1ebf, nh\u00e2n d\u00e2n \u0111\u1ecba ph\u01b0\u01a1ng s\u1eed d\u1ee5ng g\u1ed1c c\u00e2y 1-2 n\u0103m tu\u1ed5i c\u00f3 m\u1ed9t \u0111o\u1ea1n th\u00e2n ng\u1ea7m ho\u1eb7c \u0111o\u1ea1n th\u00e2n ng\u1ea7m d\u00e0i t\u1eeb 50-60 cm l\u00e0m v\u1eadt li\u1ec7u gi\u1ed1ng tr\u1ed3ng r\u1eebng. L\u01b0\u1ee3ng v\u1eadt li\u1ec7u gi\u1ed1ng nh\u01b0 v\u1eady kh\u00f4ng \u0111\u1ee7 cung c\u1ea5p cho tr\u1ed3ng r\u1eebng qui m\u00f4 h\u00e0ng ng\u00e0n ha m\u1ed7i n\u0103m. Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n c\u1ee7a th\u00e2n ng\u1ea7m v\u00e0 bi\u1ec7n ph\u00e1p nh\u00e2n gi\u1ed1ng cho Tr\u00fac s\u00e0o \u0111\u1ec3 cung c\u1ea5p c\u01a1 s\u1edf khoa h\u1ecdc nghi\u00ean c\u1ee9u nh\u00e2n gi\u1ed1ng t\u1ed1t cho ph\u00e1t tri\u1ec3n tr\u1ed3ng r\u1eebng, \u0111\u1ed3ng th\u1eddi g\u00f3p th\u00eam c\u01a1 s\u1edf cho kinh doanh r\u1eebng Tr\u00fac s\u00e0o n\u0103ng su\u1ea5t cao v\u00e0 b\u1ec1n v\u1eefng l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft.<\/p>\n

1. N\u1ed9i dung nghi\u00ean c\u1ee9u <\/strong><\/p>\n

1.1.\u0110\u1eb7c \u0111i\u1ec3m sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n th\u00e2n ng\u1ea7m Tr\u00fac s\u00e0o.<\/strong> <\/em><\/p>\n

1.2.Nghi\u00ean c\u1ee9u gi\u00e2m hom th\u00e2n ng\u1ea7m Tr\u00fac s\u00e0o.<\/em><\/p>\n

1..2.1.\u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t s\u1ed1 ch\u1ea5t \u0111i\u1ec1u ho\u00e0 sinh tr\u01b0\u1edfng (ABT1<\/sub>, NAA v\u00e0 2,4 D) \u0111\u1ebfn h\u00ecnh th\u00e0nh c\u00e2y hom. C\u00e1c n\u1ed3ng \u0111\u1ed9 nghi\u00ean c\u1ee9u: \u0110\u1ed1i ch\u1ee9ng (kh\u00f4ng x\u1eed l\u00fd), ABT1<\/sub>, NAA: 25, 50v\u00e0 100ppm. 2,4D: 10,20 v\u00e0 40 ppm.<\/p>\n

ABT1<\/sub>: Ch\u1ea5t \u0111i\u1ec1u ho\u00e0 sinh tr\u01b0\u1edfng do Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p B\u1eafc Kinh, Trung Qu\u1ed1c t\u1ed5ng h\u1ee3p.<\/p>\n

NAA : AxitNaphtalen Axetic.<\/p>\n

2,4 D : AxitDichlorophenoxyaxetic.<\/p>\n

Th\u1eddi gian x\u1eed l\u00fd: ng\u00e2m hom trong c\u00e1c dung d\u1ecbch ch\u1ea5t \u0111i\u1ec1u ho\u00e0 sinh tr\u01b0\u1edfng (\u0110HST) 12 gi\u1edd v\u00e0o ban \u0111\u00eam.<\/p>\n

1.2.2. \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 d\u00e0i hom (s\u1ed1 \u0111\u1ed1t) \u0111\u1ebfn h\u00ecnh th\u00e0nh c\u00e2y hom<\/p>\n

Hom 2 \u0111\u1ed1t, 4 \u0111\u1ed1t v\u00e0 6 \u0111\u1ed1t, m\u1ed7i hom c\u00f3 \u00edt nh\u1ea5t 1 ch\u1ed3i ng\u1ee7.<\/p>\n

1.2.3.\u1ea3nh h\u01b0\u1edfng c\u1ee7a tu\u1ed5i hom \u0111\u1ebfn h\u00ecnh th\u00e0nh c\u00e2y hom : Tu\u1ed5i 1 (Th\u00e2n ng\u1ea7m ra v\u00e0o n\u0103m l\u00e0m th\u00ed nghi\u1ec7m: 2002), tu\u1ed5i 2 (Th\u00e2n ng\u1ea7m ra n\u0103m 2001) v\u00e0 tu\u1ed5i 3 (Th\u00e2n ng\u1ea7m ra n\u0103m 2000).<\/p>\n

2. Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u <\/strong><\/p>\n

Tr\u00ean di\u1ec7n t\u00edch r\u1eebng Tr\u00fac s\u00e0o 5 tu\u1ed5i t\u1ea1i Lang M\u00f4n \u2014 Nguy\u00ean B\u00ecnh \u2014 Cao B\u1eb1ng thi\u1ebft l\u1eadp 3 \u00f4 ti\u1ec3u chu\u1ea9n \u0111i\u1ec3n h\u00ecnh, di\u1ec7n t\u00edch \u00f4 ti\u00eau chu\u1ea9n 200m2<\/sup> \u0111\u1ec3 \u0111o \u0111\u1ebfm x\u00e1c \u0111\u1ecbnh c\u00e2y ti\u00eau chu\u1ea9n trung b\u00ecnh. \u0110\u00e0o h\u1ec7 th\u00e2n ng\u1ea7m c\u1ee7a 30 c\u00e2y ti\u00eau chu\u1ea9n trung b\u00ecnh.<\/p>\n

Th\u00e2n ng\u1ea7m Tr\u00fac s\u00e0o \u0111\u01b0\u1ee3c l\u1ea5y t\u1ea1i Nguy\u00ean B\u00ecnh- Cao B\u1eb1ng, \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 gi\u00e2m t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng. Hom \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c th\u00ed nghi\u1ec7m 2.1. v\u00e0 2.3 c\u00f3 4 \u0111\u1ed1t. Hom \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c th\u00ed nghi\u1ec7m 2.1. v\u00e0 2.2 \u1edf tu\u1ed5i 2.<\/p>\n

Th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo kh\u1ed1i ng\u1eabu nhi\u00ean \u0111\u1ea7y \u0111\u1ee7, m\u1ed7i c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m c\u00f3 20 hom, l\u1eb7p l\u1ea1i 3 l\u1ea7n. C\u00e1c lu\u1ed1ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c che b\u1edbt \u00e1nh s\u00e1ng b\u1eb1ng l\u01b0\u1edbi c\u1ea3n quang, gi\u1eef \u1ea9m th\u01b0\u1eddng xuy\u00ean b\u1eb1ng th\u00f9ng t\u01b0\u1edbi hoa sen.<\/p>\n

Th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh v\u00e0o v\u1ee5 xu\u00e2n 2002, \u0111\u01b0\u1ee3c theo d\u00f5i h\u00e0ng tu\u1ea7n theo c\u00e1c ch\u1ec9 ti\u00eau: s\u1ed1 c\u00e2y c\u00f2n s\u1ed1ng, ra ch\u1ed3i m\u0103ng, ra l\u00e1. Sau 2 th\u00e1ng quan s\u00e1t b\u1ed9 r\u1ec5, thu th\u1eadp s\u1ed1 li\u1ec7u l\u1ea7n cu\u1ed7i.<\/p>\n

C\u00e1c k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u1ed1ng k\u00ea to\u00e1n h\u1ecdc.<\/p>\n

3. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u00e0 th\u1ea3o lu\u1eadn<\/strong><\/p>\n

3.1.\u0110\u1eb7c \u0111i\u1ec3m sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n c\u1ee7a th\u00e2n ng\u1ea7m Tr\u00fac s\u00e0o<\/strong> <\/em><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Ch\u1ec9 ti\u00eau<\/strong><\/td>\n\u0110V<\/strong><\/td>\nTu\u1ed5i 1<\/strong><\/td>\nTu\u1ed5i 2<\/strong><\/td>\nTu\u1ed5i 3<\/strong><\/td>\nTu\u1ed5i 4<\/strong><\/td>\nTu\u1ed5i 5<\/strong><\/td>\n<\/tr>\n
S\u1ed1 l\u01b0\u1ee3ng th\u00e2n ng\u1ea7m trungb\u00ecnh<\/td>\nc\u00e1i<\/td>\n4,0<\/td>\n3,3<\/td>\n3,0<\/td>\n1,7<\/td>\n1,0<\/td>\n<\/tr>\n
\u0110\u01b0\u01a1ng k\u00ednh th\u00e2n ng\u1ea7m trung b\u00ecnh<\/td>\ncm<\/td>\n2,0<\/td>\n1,9<\/td>\n1,7<\/td>\n1,7<\/td>\n1,5<\/td>\n<\/tr>\n
Chi\u1ec1u d\u00e0i th\u00e2n ng\u1ea7m trung b\u00ecnh<\/td>\ncm<\/td>\n85<\/td>\n102<\/td>\n107<\/td>\n183<\/td>\n123<\/td>\n<\/tr>\n
S\u1ed1 \u0111\u1ed1t th\u00e2n ng\u1ea7m trung b\u00ecnh<\/td>\n\u0110\u1ed1t<\/td>\n13<\/td>\n15<\/td>\n17<\/td>\n30<\/td>\n24<\/td>\n<\/tr>\n
S\u1ed1 \u0111\u1ed1t c\u00f3 ch\u1ed3i m\u0103ng<\/td>\n\u0110\u1ed1t<\/td>\n1<\/td>\n3,3<\/td>\n1,7<\/td>\n2<\/td>\n0<\/td>\n<\/tr>\n
\u0110\u1ed9 s\u00e2u ph\u00e2n b\u1ed1 th\u00e2n ng\u1ea7m trung b\u00ecnh<\/td>\ncm<\/td>\n20<\/td>\n18<\/td>\n22<\/td>\n20<\/td>\n18<\/td>\n<\/tr>\n
M\u00e0u s\u1eafc th\u00e2n ng\u1ea7m<\/td>\n<\/td>\nV\u00e0ng nh\u1ea1t<\/td>\nV\u00e0ng<\/td>\nV\u00e0ng \u0111\u1eadm<\/td>\nX\u00e1m<\/td>\nX\u00e1m \u0111en<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

S\u1ed1 l\u01b0\u1ee3ng th\u00e2n ng\u1ea7m trung b\u00ecnh gi\u1ea3m d\u1ea7n theo chi\u1ec1u t\u0103ng c\u1ee7a tu\u1ed5i. S\u1ed1 th\u00e2n ng\u1ea7m tu\u1ed5i 1 nhi\u1ec1u nh\u1ea5t (4 th\u00e2n), ti\u1ebfp \u0111\u00f3 l\u00e0 tu\u1ed5i 2 (3,3) th\u00e2n, tu\u1ed5i 3 (3 th\u00e2n), tu\u1ed5i 4 (1,7 th\u00e2n) v\u00e0 \u00edt nh\u1ea5t la tu\u1ed5i 1, ch\u1ec9 c\u00f3 1 th\u00e2n. Nh\u01b0 v\u1eady sau khi tr\u1ed3ng, n\u0103m ti\u1ebfp theo th\u00f4ng th\u01b0\u1eddng t\u1eeb g\u1ed1c c\u00e2y m\u1eb9 ch\u1ec9 sinh ra 1 th\u00e2n ng\u1ea7m. \u0110\u01b0\u1eddng k\u00ednh trung b\u00ecnh th\u00e2n ng\u1ea7m gi\u1ea3m d\u1ea7n, ng\u01b0\u1ee3c l\u1ea1i chi\u1ec1u d\u00e0i c\u1ee7a ch\u00fang l\u1ea1i t\u0103ng d\u1ea7n theo tu\u1ed5i. \u0110\u01b0\u1eddng k\u00ednh trung b\u00ecnh th\u00e2n ng\u1ea7m \u1edf tu\u1ed5i 1 l\u1edbn nh\u1ea5t (2,0cm) nh\u01b0ng chi\u1ec1u d\u00e0i trung b\u00ecnh l\u1ea1i ng\u1eafn nh\u1ea5t (85cm). Chi\u1ec1u d\u00e0i trung b\u00ecnh th\u00e2n ng\u1ea7m \u1edf tu\u1ed5i 4 l\u1edbn nh\u1ea5t (180cm), nh\u01b0ng \u0111\u01b0\u1eddng k\u00ednh trung b\u00ecnh ch\u1ec9 \u0111\u1ea1t 1,7cm. S\u1ed1 \u0111\u1ed1t trung b\u00ecnh c\u00f3 qui lu\u1eadt gi\u1ed1ng nh\u01b0 c\u1ee7a chi\u1ec1u d\u00e0i c\u1ee7a th\u00e2n ng\u1ea7m, bi\u1ebfn \u0111\u1ed9ng t\u1eeb 13 tu\u1ed5i 1) \u0111\u1ebfn 30 (tu\u1ed5i 4) \u0111\u1ed1t. Th\u00e2n ng\u1ea7m tu\u1ed5i 2 sinh ra nhi\u1ec1u ch\u1ed3i m\u0103ng nh\u1ea5t (trung b\u00ecnh 3,3 ch\u1ed3i m\u0103ng), tu\u1ed5i 5 kh\u00f4ng c\u00f3 ch\u1ed3i m\u0103ng n\u00e0o, tu\u1ed5i 3 v\u00e0 4 c\u00f3 trung b\u00ecnh 1,7 v\u00e0 2 ch\u1ed3i m\u0103ng. Th\u00e2n ng\u1ea7m c\u00f3 h\u01b0\u1edbng b\u00f2 kh\u00f4ng theo m\u1ed9t qui lu\u1eadt nh\u1ea5t \u0111\u1ecbnh, c\u00f3 kh\u1ea3 n\u0103ng tr\u00e1nh ch\u01b0\u1edbng ng\u1ea1i v\u1eadt v\u00e0 t\u00ecm \u0111\u1ebfn n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n s\u1ed1ng thu\u1eadn l\u1ee3i\u0111\u1ed9 \u1ea9m, dinh d\u01b0\u1ee1ng cao\u2026). \u0110\u1ed9 s\u00e2u ph\u00e2n b\u1ed1 th\u00e2n ng\u1ea7m dao \u0111\u1ed9ngt\u1eeb 18-22cm.<\/p>\n

Th\u00e2n ng\u1ea7m sinh tr\u01b0\u1edfng theo nh\u1ecbp \u0111i\u1ec7u h\u00e0ng n\u0103m, m\u1ed7i tu\u1ed5i \u1ee9ng v\u1edbi m\u1ed9t nh\u1ecbp \u0111i\u1ec7u sinh tr\u01b0\u1edfng. K\u1ebft th\u00fac m\u1ed9t nh\u1ecbp \u0111i\u1ec7u, th\u00e2n ng\u1ea7m kh\u00f4ng sinh tr\u01b0\u1edfng n\u1eefa, \u0111\u1ea7u ng\u1ecdn b\u1ecb th\u1ed1i nh\u0169n v\u00e0 thui ch\u1ed9t . Sang n\u0103m sau, ch\u1ed3i \u1edf g\u1ea7n ng\u1ecdn th\u00e2n ng\u1ea7m nh\u1ea5t n\u1ea3y m\u1ea7m th\u00e0nh m\u0103ng v\u00e0 ph\u00e1t tri\u1ec3n th\u00e0nh th\u00e2n ng\u1ea7m m\u1edbi, ti\u1ebfp t\u1ee5c m\u1ed9t nh\u1ecbp \u0111i\u1ec7u sinh tr\u01b0\u1edfng kh\u00e1c. Th\u00e2n ng\u1ea7m \u1edf tu\u1ed5i 2 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn, chi\u1ec1u d\u00e0i v\u00e0 s\u1ed1 \u0111\u1ed1t th\u00e2n kh\u00e1, s\u1ed1 l\u01b0\u1ee3ng th\u00e2n ng\u1ea7m v\u00e0 s\u1ed1 ch\u1ed3i m\u0103ng trung binh c\u00f3 tr\u00ean 1 th\u00e2n c\u0169ng l\u1edbn nh\u1ea5t, c\u00f3 m\u00e0u v\u00e0ng \u0111\u1eb7c tr\u01b0ng d\u1ec5 nh\u1eadn bi\u1ebft.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Trúc sào (Phyllostachys pubescens Mazel Ex de Lehaie ) còn có tên \u0111\u1ecba ph\u01b0\u01a1ng g\u1ecdi là M\u1ea1y khoán cáo, Rào P\u1ebfn, là loài cây á nhi\u1ec7t \u0111\u1edbi, \u1edf n\u01b0\u1edbc ta \u0111\u01b0\u1ee3c tr\u1ed3ng nhi\u1ec1u t\u1ea1i các t\u1ec9nh Cao B\u1eb1ng, B\u1eafc K\u1ea1n và v\u1ea7 m\u1ed9t s\u1ed1 huy\u1ec7n phía B\u1eafc Thái Nguyên. Trong các t\u1ec9nh trên, Cao B\u1eb1ng có di\u1ec7n tích Trúc l\u1edbn nh\u1ea5t. Nhi\u1ec1u n\u0103m qua, Trúc sào là nguyên li\u1ec7u s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ed1 m\u1eb7t hàng xu\u1ea5t kh\u1ea9u có giá tr\u1ecb c\u1ee7a Cao B\u1eb1ng nh\u01b0 mành , chi\u1ebfu Trúc, bàn, gh\u1ebf… . Thân Trúc sào th\u1eb3ng, m\u1ecdc t\u1ea3n , \u0111\u1ed9 thót ng\u1ecdn nh\u1ecf , nên h\u1ec7 s\u1ed1 s\u1eed d\u1ee5ng cao, vách thân dày nên \u0111\u01b0\u1ee3c dùng \u0111\u1ec3 làm ván ghép, hàm l\u01b0\u1ee3ng Xellulo cao (60%), s\u1ee3i dài trung binh 2mm nên làm b\u1ed9t gi\u1ea5y t\u1ed1t.<\/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\/8844"}],"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=8844"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8844\/revisions"}],"predecessor-version":[{"id":19063,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8844\/revisions\/19063"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}