{"id":8583,"date":"2009-03-24T02:19:45","date_gmt":"2009-03-23T19:19:45","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/03\/ky-thuat-nhan-giong-vo-tinh-cay-tre-tau-sirocalamus-aff-latiflorus-mcclure-o-nam-bo\/"},"modified":"2019-09-25T10:21:12","modified_gmt":"2019-09-25T03:21:12","slug":"ky-thuat-nhan-giong-vo-tinh-cay-tre-tau-sirocalamus-aff-latiflorus-mcclure-o-nam-bo","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ky-thuat-nhan-giong-vo-tinh-cay-tre-tau-sirocalamus-aff-latiflorus-mcclure-o-nam-bo\/","title":{"rendered":"K\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng v\u00f4 t\u00ednh c\u00e2y Tre t\u00e0u (Sirocalamus aff latiflorus McClure) \u1edf Nam b\u1ed9"},"content":{"rendered":"

Ph\u00f9ng C\u1ea9m Th\u1ea1ch, Ho\u00e0ng Ch\u01b0\u00ad\u01a1ng<\/em><\/strong><\/p>\n

Nguy\u1ec5n B\u1ed9i Qu\u1ef3nh, Tr\u1ea7n v\u0103n H\u1ea3i<\/em><\/strong><\/p>\n

Ph\u00e2n Vi\u1ec7n Khoa h\u1ecdc L\u00e2m Nghi\u1ec7p <\/em>Nam<\/em>b\u1ed9<\/em><\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m Nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/p>\n

Tre t\u00e0u (Sirocalamus aff latiflorus <\/em>McClure) l\u00e0 m\u1ed9t lo\u00e0i c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb trong t\u1eadp \u0111o\u00e0n c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng \u1edf nhi\u1ec1u t\u1ec9nh thu\u1ed9c mi\u1ec1n Nam Trung b\u1ed9 v\u00e0 mi\u1ec1n \u0110\u00f4ng Namb\u1ed9 c\u1ee7a n\u00ad\u01b0\u1edbc ta. Trong c\u00e1c m\u00f4 h\u00ecnh \u1edf qui m\u00f4 h\u1ed9 gia \u0111\u00ecnh, c\u00e2y tre t\u00e0u l\u1ea1i c\u00e0ng c\u00f3 \u00fd ngh\u0129a \u0111\u1eb7c bi\u1ec7t v\u00ec tr\u1ed3ng tre mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf nhanh h\u01a1n nhi\u1ec1u lo\u00e0i c\u00e2y l\u00e2m nghi\u1ec7p v\u00e0 c\u00f4ng nghi\u1ec7p kh\u00e1c. Ngo\u00e0i nh\u1eefng gi\u00e1 tr\u1ecb chung c\u1ee7a c\u00e1c lo\u00e0i tre tr\u00fac nh\u01b0\u00ad b\u1ea3o v\u1ec7 \u0111\u1ea5t, ch\u1ed1ng x\u00f3i m\u00f2n, h\u1ea1n ch\u1ebf d\u00f2ng ch\u1ea3y trong m\u00f9a m\u01b0\u00ada, tre t\u00e0u c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 gi\u00e1 tr\u1ecb ri\u00eang r\u1ea5t \u0111\u00e1ng q\u00fay l\u00e0: M\u0103ng tre t\u00e0u l\u00e0m th\u1ef1c ph\u1ea9m \u1edf d\u1ea1ng t\u00ad\u01b0\u01a1i s\u1ed1ng ho\u1eb7c qua ch\u1ebf bi\u1ebfn v\u1edbi k\u1ef9 thu\u1eadt kh\u00e1c nhau \u0111\u1ec1u c\u00f3 gi\u00e1 tr\u1ecb th\u01b0\u00ad\u01a1ng ph\u1ea9m r\u1ea5t cao c\u1ea3 \u1edf th\u1ecb tr\u01b0\u00ad\u1eddng trong n\u01b0\u00ad\u1edbc c\u0169ng nh\u01b0\u00ad xu\u1ea5t kh\u1ea9u; th\u00e2n tre t\u00e0u c\u00f3 th\u1ec3 d\u00f9ng ch\u1ebf bi\u1ebfn nguy\u00ean li\u1ec7u gi\u1ea5y, l\u00e0m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, ch\u1ebf bi\u1ebfn v\u00e1n \u00e9p, t\u0103m, \u0111\u0169a, chi\u1ebfu … v\u00e0 c\u00e1c \u0111\u1ed3 gia d\u1ee5ng kh\u00e1c. Song, v\u1edbi k\u1ef9 thu\u1eadt tr\u1ed3ng b\u1eb1ng gi\u1ed1ng g\u1ed1c theo truy\u1ec1n th\u1ed1ng c\u0169 th\u00ec kh\u00f4ng th\u1ec3 \u0111\u1ee7 gi\u1ed1ng \u0111\u1ec3 g\u00e2y tr\u1ed3ng r\u1ed9ng r\u00e3i lo\u00e0i tre n\u00e0y.<\/p>\n

Vi\u1ec7c nghi\u00ean c\u1ee9u x\u00e2y d\u1ef1ng quy tr\u00ecnh k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng m\u1edbi b\u1eb1ng m\u00f4 – hom nh\u1eb1m n\u00e2ng cao h\u1ec7 s\u1ed1 nh\u00e2n gi\u1ed1ng, t\u1ea1o \u0111\u00ad\u01b0\u1ee3c ngu\u1ed3n gi\u1ed1ng m\u1edbi nhanh nhi\u1ec1u, thay th\u1ebf k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng c\u0169 s\u1ebd l\u00e0 m\u1ed9t \u0111\u1ed9ng l\u1ef1c th\u00fac \u0111\u1ea9y vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e2y tre t\u00e0u m\u1ed9t c\u00e1ch h\u1eefu hi\u1ec7u, cung c\u1ea5p \u0111\u01b0\u00ad\u1ee3c gi\u1ed1ng c\u00e2y tre t\u00e0u v\u1edbi quy m\u00f4 l\u1edbn nh\u1eb1m ph\u1ee5c v\u1ee5 cho nhu c\u1ea7u gi\u1ed1ng c\u00e2y \u0111\u1ec3 g\u00e2y tr\u1ed3ng h\u00e0ng n\u0103m.<\/p>\n

1. \u0110\u1eb7c \u0111i\u1ec3m sinh th\u00e1i c\u00e2y tre t\u00e0u<\/strong><\/p>\n

– Tre t\u00e0u thu\u1ed9c nh\u00f3m th\u00e2n ng\u1ea7m h\u1ee3p tr\u1ee5c (th\u00e2n ng\u1ea7m d\u1ea1ng c\u1ee7), c\u00e1c th\u00e2n kh\u00ed sinh m\u1ecdc th\u00e0nh c\u1ee5m, cao 13 – 15m, c\u00f3 n\u01a1i 20 – 25m, \u0111\u00ad\u1eddng k\u00ednh th\u00e2n 10 – 14cm, ng\u1ecdn th\u00e2n cong. Th\u00e2n m\u00e0u xanh l\u1ee5c th\u1eabm, mo th\u00e2n l\u1edbn, bao k\u00edn g\u1ea7n h\u1ebft gi\u00f3ng th\u00e2n, m\u00e0u xanh l\u1ee5c v\u00e0ng \u0111\u1ebfn hung v\u00e0ng, l\u00e1 tre c\u00f3 k\u00edch th\u01b0\u00ad\u1edbc r\u1ea5t thay \u0111\u1ed5i, d\u00e0i t\u1eeb 11-42cm, r\u1ed9ng t\u1eeb 3-9cm.<\/p>\n

– Tre t\u00e0u \u0111\u01b0\u1ee3c tr\u1ed3ng t\u1eeb \u0111\u1ed9 cao 1 \u20132m t\u1edbi 700 \u2013 800m so v\u1edbi m\u1eb7t bi\u1ec3n. Tre t\u00e0u \u01b0a kh\u00ed h\u1eadu n\u00f3ng \u1ea9m (bi\u00ean \u0111\u1ed9 t\u1eeb 22 \u2013 300<\/sup>C l\u00e0 th\u00edch h\u1ee3p nh\u1ea5t), \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed 85% tr\u1edf l\u00ean, l\u01b0\u1ee3ng m\u01b0a trung b\u00ecnh h\u00e0ng n\u0103m > 1600mm, \u0111\u1ed9 d\u1ed1c < 300<\/sup>. Tre t\u00e0u \u01b0a \u0111\u1ea5t s\u00e2u \u1ea9m, \u0111\u1ed9 s\u00e2u > 70cm. \u0110\u1ea5t ph\u00f9 sa c\u1ed5 b\u1ed3i t\u1ee5 ph\u00e1t tri\u1ec3n tr\u00ean \u0111\u00e1 Ph\u1ecdcphia, Bazan, phi\u1ebfn th\u1ea1ch s\u00e9t c\u00f3 th\u00e0nh ph\u1ea7n c\u01a1 gi\u1edbi nh\u1eb9, tho\u00e1t n\u01b0\u1edbc t\u1ed1t, pH > 4,5.<\/p>\n

– Nh\u1ecbp sinh tr\u01b0\u00ad\u1edfng c\u1ee7a tre t\u00e0u: c\u0169ng nh\u01b0\u00ad ph\u1ea7n l\u1edbn c\u00e1c lo\u00e0i tre tr\u00fac kh\u00e1c nh\u1ecbp sinh tr\u01b0\u00ad\u1edfng c\u1ee7a tre t\u00e0u ch\u00ednh l\u00e0 nh\u1ecbp sinh tr\u01b0\u00ad\u1edfng c\u1ee7a m\u0103ng m\u1edbi m\u1ecdc \u0111\u1ebfn khi c\u00e2y \u0111\u1ecbnh h\u00ecnh. Tre t\u00e0u ra m\u0103ng su\u1ed1t c\u1ea3 m\u00f9a m\u01b0\u00ada b\u1eaft \u0111\u1ea7u t\u1eeb cu\u1ed1i th\u00e1ng t\u01b0\u00ad \u0111\u1ebfn h\u1ebft th\u00e1ng 10 – 11. L\u01b0\u00ad\u1ee3ng m\u0103ng ra nhi\u1ec1u nh\u1ea5t v\u00e0o c\u00e1c th\u00e1ng 6,7, tr\u00f9ng v\u1edbi c\u00e1c th\u00e1ng c\u00f3 l\u01b0\u00ad\u1ee3ng m\u01b0\u00ada nhi\u1ec1u nh\u1ea5t. T\u1eeb khi m\u0103ng m\u1edbi nh\u00fa kh\u1ecfi m\u1eb7t \u0111\u1ea5t t\u1edbi l\u00fac \u0111\u1ecbnh h\u00ecnh th\u00e0nh c\u00e2y kh\u00ed sinh ho\u00e0n ch\u1ec9nh tre t\u00e0u c\u1ea7n kho\u1ea3ng 70 – 120 ng\u00e0y t\u00f9y thu\u1ed9c v\u00e0o h\u00ecnh th\u00e1i c\u00e2y v\u00e0 \u0111i\u1ec1u ki\u1ec7n sinh th\u00e1i.<\/p>\n

2. Nh\u00e2n gi\u1ed1ng b\u1eb1ng c\u00e1ch chi\u1ebft c\u00e0nh tr\u00ean th\u00e2n kh\u00ed sinh<\/strong><\/p>\n

* X\u00e1c \u0111\u1ecbnh m\u00f9a v\u1ee5 chi\u1ebft<\/em><\/strong><\/p>\n

` K\u1ef9 thu\u1eadt chi\u1ebft hom th\u00e0nh c\u00f4ng nh\u1ea5t v\u00e0o m\u00f9a m\u01b0\u00ada (t\u1ef7 l\u1ec7 ra r\u1ec5 40 – 96%). M\u00f9a kh\u00f4 t\u1ef7 l\u1ec7 c\u00e0nh chi\u1ebft ra r\u1ec5 th\u1ea5p v\u00e0 th\u1eddi gian ra r\u1ec5 l\u00e2u.<\/p>\n

* X\u00e1c \u0111\u1ecbnh tu\u1ed5i c\u00e2y m\u1eb9 \u0111\u1ec3 chi\u1ebft<\/em><\/strong><\/p>\n

V\u1edbi c\u00e2y m\u1eb9 tu\u1ed5i gi\u00e0 h\u1ea7u nh\u01b0\u00ad kh\u00f4ng ra r\u1ec5, c\u00e2y m\u1eb9 tu\u1ed5i non c\u0169ng kh\u00f4ng ra r\u1ec5 m\u00e0 c\u00f2n s\u1edbm b\u1ecb ch\u1ebft. Nh\u00e2n gi\u1ed1ng b\u1eb1ng c\u00e1ch chi\u1ebft \u0111\u1ed1i v\u1edbi tre t\u00e0u h\u1ea7u nh\u01b0\u00ad ch\u1ec9 th\u00e0nh c\u00f4ng tr\u00ean lo\u1ea1i c\u00e2y c\u00f3 tu\u1ed5i b\u00e1nh t\u1ebb.<\/p>\n

* X\u00e1c \u0111\u1ecbnh k\u1ef9 thu\u1eadt chi\u1ebft<\/em><\/strong><\/p>\n

– C\u00e1ch th\u1ee9 nh\u1ea5t: <\/em><\/p>\n

C\u01b0\u00ada n\u1eeda th\u00e2n c\u00e2y \u1edf g\u1ea7n \u0111o\u1ea1n g\u1ed1c, r\u1ed3i k\u00e9o cho c\u00e2y ng\u1ea3 r\u1ea1p xu\u1ed1ng, t\u1ec9a b\u1ecf b\u1edbt c\u00e0nh ch\u00e9t nh\u1ecf \u1edf m\u1ed7i b\u00ean m\u1eaft l\u00f3ng, ch\u1ec9 gi\u1eef l\u1ea1i 1 c\u00e0nh ch\u00e9t m\u1eadp nh\u1ea5t, c\u1eaft ng\u1eafn, \u0111\u1ec3 d\u00e0i kho\u1ea3ng 25- 60cm (2-3 m\u1eaft), l\u1ea5y m\u1ed9t trong 3 lo\u1ea1i gi\u00e1 th\u1ec3 chi\u1ebft \u0111\u1eafp k\u00edn g\u1ed1c m\u1eaft c\u00e0nh chi\u1ebft, d\u00f9ng ni l\u00f4ng b\u00f3 ch\u1eb7t l\u1ea1i, sau 3 – 6 tu\u1ea7n ki\u1ec3m tra th\u1ea5y m\u1eaft n\u00e0o ra r\u1ec5 th\u00ec c\u1eaft \u0111o\u1ea1n th\u00e2n c\u00e2y c\u00f3 m\u1eaft c\u00e0nh \u0111\u00ad\u01b0a v\u00e0o v\u00ad\u01b0\u1eddn \u00ad\u01b0\u01a1m (ho\u1eb7c c\u1eaft l\u1ea5y c\u00e0nh chi\u1ebft), \u00ad\u01b0\u01a1m trong v\u01b0\u00ad\u1eddn \u01b0\u00ad\u01a1m 2 – 3 th\u00e1ng c\u00e2y \u0111\u1ee7 ti\u00eau chu\u1ea9n tr\u1ed3ng r\u1eebng.<\/p>\n

– C\u00e1ch th\u1ee9 hai: <\/em><\/p>\n

C\u00e1ch chi\u1ebft n\u00e0y c\u0169ng t\u00ad\u01b0\u01a1ng t\u1ef1 nh\u00ad\u01b0 c\u00e1ch th\u1ee9 nh\u1ea5t, ch\u1ec9 kh\u00e1c l\u00e0 c\u00e2y m\u1eb9 \u0111\u1ec3 chi\u1ebft c\u00e0nh v\u1eabn \u0111\u1ec3 nguy\u00ean kh\u00f4ng c\u01b0a n\u1eeda th\u00e2n k\u00e9o r\u1ea1p xu\u1ed1ng, m\u00e0 c\u01b0\u00ada 1\/ 2 g\u1ed1c c\u00e0nh ch\u00e9t \u0111\u1ecbnh chi\u1ebft.<\/p>\n

* X\u00e1c \u0111\u1ecbnh gi\u00e1 th\u1ec3 chi\u1ebft v\u00e0 c\u00e1c ch\u1ea5t \u0111i\u1ec1u h\u00f2a sinh tr\u01b0\u00ad\u1edfng<\/em><\/strong><\/p>\n

– Gi\u00e1 th\u1ec3: S\u01a1 d\u1eeba t\u01a1i, t\u00ad\u01b0\u1edbi \u1ea9m b\u1eb1ng dung d\u1ecbch KTR 100ppm l\u00e0 cho k\u1ebft q\u1ee7a t\u1ed1t nh\u1ea5t.<\/p>\n

– Ch\u1ea5t \u0111i\u1ec1u h\u00f2a sinh tr\u00ad\u01b0\u1edfng: KTR d\u1ea1ng c\u00f4ng nghi\u1ec7p cho k\u1ebft q\u1ee7a t\u1ed1t nh\u1ea5t v\u1ec1 t\u1ef7 l\u1ec7 ra r\u1ec5 v\u00e0 gi\u00e1 th\u00e0nh.<\/p>\n

3. Nh\u00e2n gi\u1ed1ng b\u1eb1ng k\u1ef9 thu\u1eadt gi\u00e2m hom c\u00e0nh ch\u00e9t<\/strong><\/p>\n

T\u1eeb c\u00e1c k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m, b\u00ad\u01b0\u1edbc \u0111\u1ea7u c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn l\u00e0 k\u1ef9 thu\u1eadt gi\u00e2m hom tre t\u00e0u th\u00e0nh c\u00f4ng v\u1edbi h\u1ec7 s\u1ed1 nh\u00e2n gi\u1ed1ng cao theo c\u00f4ng ngh\u1ec7 gi\u00e2m hom nh\u01b0\u00ad sau:<\/p>\n

* M\u00f9a v\u1ee5 gi\u00e2m hom<\/em><\/strong><\/p>\n

M\u00f9a v\u1ee5 gi\u00e2m hom t\u1ed1t nh\u1ea5t l\u00e0 v\u00e0o cu\u1ed1i m\u00f9a kh\u00f4 (cu\u1ed1i th\u00e1ng 2 \u0111\u1ebfn th\u00e1ng 4), tr\u00f9ng v\u1edbi th\u1eddi \u0111i\u1ec3m tre t\u00e0u b\u1eaft \u0111\u1ea7u chuy\u1ec3n v\u00e0o m\u00f9a sinh tr\u00ad\u01b0\u1edfng v\u00e0 sinh m\u0103ng. Hom gi\u00e2m v\u00e0o m\u00f9a n\u00e0y t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng t\u1eeb 76 – 85%, c\u00e1c th\u00e1ng kh\u00e1c trong n\u0103m t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng th\u1ea5p ho\u1eb7c th\u1ea5t b\u1ea1i ho\u00e0n to\u00e0n.<\/p>\n

* Tu\u1ed5i c\u1ee7a c\u00e0nh hom<\/em><\/strong><\/p>\n

Tu\u1ed5i c\u1ee7a hom gi\u00e2m l\u1ec7 thu\u1ed9c ch\u1eb7t ch\u1ebd v\u00e0o tu\u1ed5i c\u1ee7a c\u00e0nh ch\u00e9t t\u1ea1o hom. Ch\u1ec9 c\u00f3 c\u00e0nh ch\u00e9t \u1edf tu\u1ed5i b\u00e1nh t\u1ebb m\u1edbi cho hom \u0111\u00e2m ch\u1ed3i v\u00e0 ra r\u1ec5. C\u00e1c hom l\u1ea5y t\u1eeb c\u00e0nh ch\u00e9t tu\u1ed5i non khi gi\u00e2m cho ra r\u1ec5 nhi\u1ec1u v\u00e0 kh\u00e1 d\u1ec5 d\u00e0ng, song kh\u00f4ng n\u1ea3y ch\u1ed3i v\u00e0 ch\u1ebft l\u1ee5i d\u1ea7n, trong khi \u0111\u00f3 hom \u1edf tu\u1ed5i gi\u00e0 l\u1ea1i \u0111\u00e2m ch\u1ed3i kh\u00e1 m\u1ea1nh nh\u00ad\u01b0ng kh\u00f4ng ra r\u1ec5 n\u00ean c\u0169ng b\u1ecb ch\u1ebft kh\u00f4 d\u1ea7n (Th\u00ed nghi\u1ec7m \u0111\u1ed1i ch\u1ee9ng: n\u1ebfu ch\u1ecdn hom k\u1ef9, \u0111\u00fang tu\u1ed5i kh\u00f4ng c\u1ea7n ch\u1ea5t \u0111i\u1ec1u h\u00f2a sinh tr\u00ad\u01b0\u1edfng c\u0169ng ra r\u1ec5 95%, song r\u1ea5t kh\u00f3 l\u1ea5y \u0111\u01b0\u00ad\u1ee3c nhi\u1ec1u hom).<\/p>\n

* Ch\u1ea5t \u0111i\u1ec1u h\u00f2a sinh tr\u00ad\u01b0\u1edfng<\/em><\/strong><\/p>\n

K\u1ebft q\u1ee7a kh\u1ea3o nghi\u1ec7m cho th\u1ea5y: Hom \u0111\u00ad\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng IAA n\u1ed3ng \u0111\u1ed9 100ppm ho\u1eb7c Atonic n\u1ed3ng \u0111\u1ed9 1\/3000 t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i kh\u00e1c (IAA: 84 – 95%, Atonic: 73 – 87%).<\/p>\n

* N\u1ec1n v\u00e0 gi\u00e1 th\u1ec3 gi\u00e2m hom<\/em><\/strong><\/p>\n

Hom gi\u00e2m trong t\u00fai b\u1ea7u d\u1ec5 ch\u0103m s\u00f3c v\u00e0 di chuy\u1ec3n, gi\u00e2m tr\u00ean c\u00e1t v\u00e0 n\u1ec1n \u0111\u1ea5t ra r\u1ec5 k\u00e9m, khi v\u1eadn chuy\u1ec3n \u0111i l\u1ea1i kh\u00f3 h\u01a1n, khi tr\u1ed3ng t\u1ef7 l\u1ec7 ch\u1ebft nhi\u1ec1u h\u01a1n. Gi\u00e1 th\u1ec3 \u00ad\u01b0\u01a1m hom t\u1ed1t nh\u1ea5t: \u0110\u1ea5t v\u01b0\u00ad\u1eddn+ ph\u00e2n chu\u1ed3ng hoai .<\/p>\n

* K\u1ef9 thu\u1eadt ch\u0103m s\u00f3c<\/em><\/strong><\/p>\n

Quan tr\u1ecdng nh\u1ea5t l\u00e0 ph\u1ea3i gi\u00e2m hom trong m\u00f4i tr\u00ad\u01b0\u1eddng \u1ea9m \u0111\u00ad\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng k\u1ef9 thu\u1eadt phun m\u00f9 \u0111\u1ecbnh k\u1ef3 nh\u1eb1m t\u1ea1o \u1ea9m \u0111\u1ed9 trong kh\u00f4ng kh\u00ed >85% v\u00e0 \u0111\u1ea5t trong trong b\u1ea7u kh\u00f4ng qu\u00e1 \u00ad\u01b0\u1edbt. Th\u1eddi k\u1ef3 \u0111\u1ea7u n\u00ean che 70 – 80% \u00e1nh s\u00e1ng \u0111\u1ec3 tr\u00e1nh hom nhanh b\u1ecb kh\u00f4 d\u00ad\u01b0\u1edbi \u00e1nh s\u00e1ng m\u1ea1nh; sau khi hom n\u1ea3y ch\u1ed3i v\u00e0 ra r\u1ec5 m\u1edbi \u0111\u00ad\u01b0a d\u1ea7n ra s\u00e1ng m\u1ea1nh h\u01a1n nh\u00ad\u01b0ng tr\u00e1nh thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t l\u00e0m hom d\u1ec5 b\u1ecb ch\u1ebft.<\/p>\n

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

Tre tàu (Sirocalamus aff latiflorus McClure) là m\u1ed9t loài cây có giá tr\u1ecb trong t\u1eadp \u0111oàn các loài cây tr\u1ed3ng r\u1eebng \u1edf nhi\u1ec1u t\u1ec9nh thu\u1ed9c mi\u1ec1n Nam Trung b\u1ed9 và mi\u1ec1n \u0110ông Namb\u1ed9 c\u1ee7a n­\u01b0\u1edbc ta. Trong các mô hình \u1edf qui mô h\u1ed9 gia \u0111ình, cây tre tàu l\u1ea1i càng có ý ngh\u0129a \u0111\u1eb7c bi\u1ec7t vì tr\u1ed3ng tre mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf nhanh h\u01a1n nhi\u1ec1u loài cây lâm nghi\u1ec7p và công nghi\u1ec7p khác.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15,18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8583"}],"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=8583"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8583\/revisions"}],"predecessor-version":[{"id":19318,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8583\/revisions\/19318"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}