{"id":491,"date":"2005-07-16T07:34:28","date_gmt":"2005-07-16T07:34:28","guid":{"rendered":"http:\/\/vafs.dungnq.local\/2005\/07\/16\/mot-so-ket-qua-ung-dung-cong-nghe-sinh-hoc-trong-nhan-giong-cay-lam-nghiep\/"},"modified":"2019-09-24T11:06:41","modified_gmt":"2019-09-24T04:06:41","slug":"mot-so-ket-qua-ung-dung-cong-nghe-sinh-hoc-trong-nhan-giong-cay-lam-nghiep","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/mot-so-ket-qua-ung-dung-cong-nghe-sinh-hoc-trong-nhan-giong-cay-lam-nghiep\/","title":{"rendered":"M\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc trong nh\u00e2n gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p"},"content":{"rendered":"

\u0110o\u00e0n Th\u1ecb Mai, L\u01b0\u01a1ng Th\u1ecb Hoan, L\u00ea S\u01a1n<\/i><\/b><\/p>\n

Trung t\u00e2m Nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y R\u1eebng<\/i><\/p>\n

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

C\u00f4ng ngh\u1ec7 sinh h\u1ecdc (CNSH) l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m, \u0111\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong ch\u01b0\u01a1ng tr\u00ecnh c\u1ea3i thi\u1ec7n gi\u1ed1ng.<\/p>\n

Ng\u00e0y nay, nh\u1edd \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc m\u00e0 vi\u1ec7c ch\u1ecdn t\u1ea1o gi\u1ed1ng c\u00e2y tr\u1ed3ng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh nhanh h\u01a1n v\u00e0 c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 kh\u00f3 kh\u0103n m\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn gi\u1ed1ng truy\u1ec1n th\u1ed1ng kh\u00f3 v\u01b0\u1ee3t qua.<\/p>\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, vi\u1ec7c nh\u00e2n nhanh gi\u1ed1ng c\u00e2y tr\u1ed3ng c\u00f3 ph\u1ea9m ch\u1ea5t di truy\u1ec1n t\u1ed1t b\u1eb1ng c\u00f4ng ngh\u1ec7 m\u00f4 hom \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u cho c\u00e2y l\u00e2m nghi\u1ec7p. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c ?ngh\u0129a to l\u1edbn c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ed1i v\u1edbi s\u1ea3n xu\u1ea5t gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p c\u00f3 ph\u1ea9m ch\u1ea5t t\u1ed1t, Trung t\u00e2m nghi\u00ean c\u1ee9u gi\u1ed1ng c\u00e2y r\u1eebng thu\u1ed9c Vi\u1ec7n KHLN- VN \u0111\u00e3 \u0111\u1ea7u t\u01b0 x\u00e2y d\u1ef1ng c\u01a1 s\u1edf nh\u00e2n gi\u1ed1ng b\u1eb1ng nu\u00f4i c\u1ea5y m\u00f4, gi\u00e2m hom v\u00e0 s\u1eed d\u1ee5ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed v\u00e0o c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng, \u0111\u1ebfn nay c\u01a1 s\u1edf n\u00e0y \u0111\u00e3 nh\u00e2n gi\u1ed1ng th\u00e0nh c\u00f4ng cho m\u1ed9t s\u1ed1 gi\u1ed1ng c\u00e2y r\u1eebng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n c\u00f3 k\u1ebft qu\u1ea3 t\u1ed1t.<\/p>\n

1. \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc trong c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng.<\/b><\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e2y r\u1eebng l\u00e0 \u0111\u1eddi s\u1ed1ng d\u00e0i ng\u00e0y, l\u00e2u ra hoa, k\u1ebft qu\u1ea3, l\u00e2u thu ho\u1ea1ch s\u1ea3n ph\u1ea9m, th\u1eddi gian ch\u1ecdn l\u1ecdc v\u00e0 kh\u1ea3o nghi\u1ec7m k\u00e9o d\u00e0i trong nhi\u1ec1u n\u0103m. M\u1ed9t th\u00e0nh c\u00f4ng ho\u1eb7c th\u1ea5t b\u1ea1i trong c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng ph\u1ea3i m\u1ea5t 5-7 n\u0103m, th\u1eadm ch\u00ed ph\u1ea3i h\u00e0ng ch\u1ee5c n\u0103m m\u1edbi c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y. V\u00ec th\u1ebf, ch\u1ecdn t\u1ea1o gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p kh\u00f4ng nh\u1eefng ph\u1ea3i tu\u00e2n th\u1ee7 nh\u1eefng quy lu\u1eadt chung c\u1ee7a bi\u1ebfn d\u1ecb di truy\u1ec1n v\u00e0 nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a ch\u1ecdn gi\u1ed1ng th\u1ef1c v\u1eadt v\u00e0 ch\u1ecdn gi\u1ed1ng c\u00e2y ng\u1eafn ng\u00e0y, m\u00e0 c\u00f2n ph\u1ea3i c\u00f3 nh\u1eefng c\u00e1ch \u0111i ph\u00f9 h\u1ee3p m\u1edbi mau \u0111\u1ea1t hi\u1ec7u qu\u1ea3 mong mu\u1ed1n. Trong l\u00e2m nghi\u1ec7p, c\u00f4ng ngh\u1ec7 sinh h\u1ecdc \u0111ang \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn gi\u1ed1ng truy\u1ec1n th\u1ed1ng \u0111\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 ch\u1ecdn t\u1ea1o c\u00e1c gi\u1ed1ng c\u00e2y r\u1eebng c\u00f3 n\u0103ng su\u1ea5t cao, c\u00f3 t\u00ednh ch\u1ed1ng ch\u1ecbu b\u1ec7nh v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea5t l\u1ee3i c\u0169ng nh\u01b0 s\u1ef1 ph\u1ed1i h\u1ee3p vi nh\u00e2n gi\u1ed1ng b\u1eb1ng nu\u00f4i c\u1ea5y m\u00f4 ph\u00e2n sinh v\u1edbi nh\u00e2n gi\u1ed1ng b\u1eb1ng hom tr\u00ean quy m\u00f4 c\u00f4ng nghi\u1ec7p \u0111ang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i \u1edf nhi\u1ec1u n\u01a1i trong c\u1ea3 n\u01b0\u1edbc. Ngo\u00e0I ra vi\u1ec7c d\u00f9ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed \u0111\u1ec3 nh\u1eadn bi\u1ebft v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u00fang gi\u1ed1ng c\u0169ng \u0111\u00e3 b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho m\u1ed9t s\u1ed1 lo\u00e0i.<\/p>\n

2. M\u1ed9t s\u1ed1 th\u00e0nh t\u1ef1u v\u1ec1 \u1ee9ng d\u1ee5ng CNSH trong nh\u00e2n gi\u1ed1ng c\u00e2y r\u1eebng.<\/b><\/p>\n

C\u00f4ng ngh\u1ec7 nu\u00f4i c\u1ea5y m\u00f4 v\u00e0 t\u1ebf b\u00e0o, \u0111\u1eb7c bi\u1ec7t l\u00e0 nu\u00f4i c\u1ea5y m\u00f4 ph\u00e2n sinh \u0111\u1ec9nh sinh tr\u01b0\u1edfng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u trong s\u1ea3n xu\u1ea5t n\u00f4ng l\u00e2m nghi\u1ec7p v\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ec3 n\u00e2ng cao s\u1ea3n l\u01b0\u1ee3ng c\u0169ng nh\u01b0 hi\u1ec7u qu\u1ea3 c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y tr\u1ed3ng. N\u1ec1n t\u1ea3ng khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a l\u0129nh v\u1ef1c n\u00e0y l\u00e0 h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 sinh h\u1ecdc m\u00e0 \u0111\u1ec9nh cao l\u00e0 c\u00f4ng ngh\u1ec7 di truy\u1ec1n (c\u00f4ng ngh\u1ec7 t\u00e1i t\u1ed5 h\u1ee3p gen), m\u1ed9t trong nh\u1eefng ng\u00e0nh c\u00f4ng ngh\u1ec7 quan tr\u1ecdng c\u1ee7a th\u1ebf k\u1ef7 21.<\/p>\n

Hi\u1ec7n nay \u1edf m\u1ed9t s\u1ed1 n\u01b0\u1edbc, do k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c c\u00f4ng t\u00e1c ch\u1ecdn gi\u1ed1ng, k\u0129 thu\u1eadt t\u1ea1o c\u00e2y con b\u1eb1ng m\u00f4-hom v\u00e0 k\u0129 thu\u1eadt th\u00e2m canh trong tr\u1ed3ng r\u1eebng d\u00f2ng v\u00f4 t\u00ednh m\u00e0 \u0111\u00e3 \u0111\u01b0a \u0111\u01b0\u1ee3c n\u0103ng su\u1ea5t t\u1eeb 5 m3<\/sup>\/ha\/n\u0103m l\u00ean 15 m3<\/sup>\/ha\/n\u0103m tr\u00ean \u0111\u1ea5t x\u1ea5u. N\u0103ng su\u1ea5t tr\u1ed3ng r\u1eebng B\u1ea1ch \u0111\u00e0n \u0111\u1ea1t 30 m3<\/sup>\/ha\/n\u0103m \u1edf Zimbabu\u00ea, 30 m3<\/sup>\/ha\/n\u0103m \u1edf C\u00f4ng g\u00f4, \u1edf Brazin 50 m3<\/sup>\/ha\/n\u0103m \u0111\u1eb7c bi\u1ec7t c\u00f3 n\u01a1i n\u0103ng su\u1ea5t \u0111\u1ea1t 75- 100 m3<\/sup>\/ha\/n\u0103m .<\/p>\n

\u1edf Vi\u1ec7t Nam, nu\u00f4i c\u1ea5y m\u00f4 ph\u00e2n sinh ph\u1ed1i h\u1ee3p v\u1edbi gi\u00e2m hom t\u1ea1o th\u00e0nh c\u00f4ng ngh\u1ec7 m\u00f4-hom \u0111ang \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 nh\u00e2n nhanh gi\u1ed1ng cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 y\u1ebfu. T\u1eeb n\u0103m 1994, ng\u00e0nh l\u00e2m nghi\u1ec7p \u0111\u00e3 nh\u1eadp c\u00f4ng ngh\u1ec7, thi\u1ebft b\u1ecb v\u00e0 gi\u1ed1ng g\u1ed1c B\u1ea1ch \u0111\u00e0n \u0111\u1ec3 nu\u00f4i c\u1ea5y m\u00f4 cho m\u1ed9t s\u1ed1 c\u01a1 s\u1edf. \u0110\u1ebfn nay, nhi\u1ec1u c\u01a1 s\u1edf nu\u00f4i c\u1ea5y m\u00f4 v\u00e0 gi\u00e2m hom cho c\u00e2y r\u1eebng \u0111ang ho\u1ea1t \u0111\u1ed9ng c\u00f3 k\u1ebft qu\u1ea3, \u0111\u00e3 x\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng ngh\u1ec7 nh\u00e2n gi\u1ed1ng v\u00e0 tr\u1ef1c ti\u1ebfp s\u1ea3n xu\u1ea5t h\u00e0ng tri\u1ec7u c\u00e2y hom v\u00e0 c\u00e2y m\u00f4 m\u1ed9t s\u1ed1 lo\u00e0i l\u00e0m v\u1eadt li\u1ec7u tr\u1ed3ng r\u1eebng. Nh\u1eefng c\u01a1 s\u1edf n\u00e0y bao g\u1ed3m c\u1ea3 c\u00e1c c\u01a1 quan nghi\u00ean c\u1ee9u v\u00e0 c\u01a1 quan s\u1ea3n xu\u1ea5t nh\u01b0 Trung t\u00e2m Nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y R\u1eebng (Keo lai, B\u1ea1ch \u0111\u00e0n lai, L\u00e1t hoa, Bao \u0111\u1ed3ng, T\u1ebfch, Tr\u1ea7m h\u01b0\u01a1ng\u2026). Trung t\u00e2m Khoa h\u1ecdc v\u00e0 S\u1ea3n xu\u1ea5t L\u00e2m nghi\u1ec7p \u0110\u00f4ng Nam B\u1ed9 (Keo lai), X\u00ed nghi\u1ec7p gi\u1ed1ng Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh (B\u1ea1ch \u0111\u00e0n, Keo lai), N\u00f4ng l\u00e2m tr\u01b0\u1eddng th\u1ef1c nghi\u1ec7m Y\u00ean L\u1eadp – Qu\u1ea3ng Ninh (B\u1ea1ch \u0111\u00e0n, Keo lai). \u0110\u1eb7c bi\u1ec7t Trung t\u00e2m B\u1ea3o v\u1ec7 r\u1eebng s\u1ed1 II Thanh Ho\u00e1 (nh\u1eadn chuy\u1ec3n giao c\u00f4ng ngh\u1ec7 gi\u00e2m hom trong dung d\u1ecbch) \u0111\u00e3 th\u00e0nh c\u00f4ng trong nh\u00e2n gi\u1ed1ng Phi lao. Ngo\u00e0i ra, nhi\u1ec1u c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t l\u00e2m nghi\u1ec7p \u1edf c\u00e1c t\u1ec9nh \u0111\u00e3 nh\u00e2n gi\u1ed1ng hom h\u00e0ng lo\u1ea1t cho c\u00e2y Keo lai v\u00e0 \u0111ang b\u01b0\u1edbc \u0111\u1ea7u nu\u00f4i c\u1ea5y m\u00f4 c\u00f3 hi\u1ec7u qu\u1ea3.<\/p>\n

Ri\u00eang Trung t\u00e2m nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y r\u1eebng thu\u1ed9c Vi\u1ec7n KHLN Vi\u1ec7t Nam sau khi nh\u00e2n gi\u1ed1ng cho c\u00e1c d\u00f2ng Keo lai t\u1ef1 nhi\u00ean v\u00e0 B\u1ea1ch \u0111\u00e0n cao s\u1ea3n b\u1eb1ng c\u00f4ng ngh\u1ec7 m\u00f4- hom th\u00e0nh c\u00f4ng, \u0111\u00e3 chuy\u1ec3n giao c\u00f4ng ngh\u1ec7 n\u00e0y v\u00e0 gi\u1ed1ng g\u1ed1c cho m\u1ed9t s\u1ed1 c\u01a1 s\u1edf trong n\u01b0\u1edbc v\u00e0 trao \u0111\u1ed5i v\u1edbi n\u01b0\u1edbc ngo\u00e0i. Trung t\u00e2m \u0111\u00e3 nu\u00f4i c\u1ea5y m\u00f4 th\u00e0nh c\u00f4ng cho m\u1ed9t s\u1ed1 c\u00e2y r\u1eebng ch\u1ee7 l\u1ef1c kh\u00e1c nh\u01b0: Phi lao, Keo tai t\u01b0\u1ee3ng, Keo l\u00e1 tr\u00e0m, Bao \u0111\u1ed3ng, T\u1ebfch, Tr\u1ea7m h\u01b0\u01a1ng, L\u00e1t hoa\u2026v\u00e0 c\u0169ng l\u00e0 \u0111\u01a1n v\u1ecb \u0111\u1ea7u ti\u00ean nh\u00e2n gi\u1ed1ng th\u00e0nh c\u00f4ng cho Keo d\u1eadu lai KX2, Ch\u00e8 \u0111\u1eafng, c\u0169ng nh\u01b0 c\u00e1c lo\u00e0i c\u00e2y kinh t\u1ebf, c\u00e1c lo\u00e0i q\u00fay? hi\u1ebfm kh\u00e1c nh\u01b0: Th\u00f4ng Caribe, Sao, D\u1ea7u, B\u00e1ch xanh, B\u00e1ch t\u00e1n\u2026Trung t\u00e2m c\u0169ng \u0111\u00e3 nghi\u00ean c\u1ee9u \u1ee9ng d\u1ee5ng th\u00e0nh c\u00f4ng c\u00f4ng ngh\u1ec7 m\u00f4- hom cho m\u1ed9t s\u1ed1 gi\u1ed1ng c\u00e2y r\u1eebng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ra r\u1ec5 tr\u1ef1c ti\u1ebfp t\u1eeb c\u00e1c m\u1ea7m nu\u00f4i c\u1ea5y invitro ch\u1ea5m thu\u1ed1c b\u1ed9t ( TTG), c\u1ea5y v\u00e0o gi\u00e1 th\u1ec3 b\u1ea7u \u0111\u1ea5t v\u00e0 c\u00e1t \u1ea9m cho t\u1ef7 l\u1ec7 ra r\u1ec5 cao nh\u01b0: Keo lai, Tr\u1ea7m h\u01b0\u01a1ng, T\u1ebfch, L\u00e1t hoa. \u00e1p d\u1ee5ng th\u00e0nh c\u00f4ng c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 \u00fd ?ngh\u0129a r\u1ea5t l\u1edbn trong s\u1ea3n xu\u1ea5t, m\u1ed9t m\u1eb7t gi\u1ea3m \u0111\u01b0\u1ee3c nh\u00e2n c\u00f4ng, v\u1eadt t\u01b0 ho\u00e1 ch\u1ea5t, m\u1eb7t kh\u00e1c r\u00fat ng\u1eafn th\u1eddi gian s\u1ea3n xu\u1ea5t n\u00ean \u0111\u00e3 gi\u1ea3m \u0111\u01b0\u1ee3c gi\u00e1 th\u00e0nh c\u00e2y gi\u1ed1ng v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t ti\u1ebfp nh\u1eadn. Ngo\u00e0i ra, Trung t\u00e2m c\u0169ng \u0111\u00e3 h\u1ee3p t\u00e1c v\u1edbi CSIRO b\u01b0\u1edbc \u0111\u1ea7u th\u00ed nghi\u1ec7m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a h\u1ea1t gi\u1ed1ng \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c r\u1eebng gi\u1ed1ng, v\u01b0\u1eddn gi\u1ed1ng Keo tai t\u01b0\u1ee3ng b\u1eb1ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed, \u0111\u00e1nh gi\u00e1 \u0111a d\u1ea1ng di truy\u1ec1n c\u00e1c xu\u1ea5t x\u1ee9 L\u00e1t hoa c\u1ee7a L\u00e0o, Th\u00e1i Lan, Vi\u1ec7t Nam. M\u1ed9t k\u1ebft qu\u1ea3 \u0111\u00e1ng ghi nh\u1eadn t\u1eeb c\u00e1c ho\u00f3c m\u00f4n th\u00f4ng th\u01b0\u1eddng nh\u01b0 IAA (Indol acetic acide<\/i>), IBA (Indol Butyric acide<\/i>) Trung t\u00e2m \u0111\u00e3 t\u00ecm ra c\u00e1c lo\u1ea1i ch\u1ea5t n\u1ec1n \u0111\u1ec3 pha ch\u1ebf th\u00e0nh c\u00f4ng thu\u1ed1c b\u1ed9t (TTG) v\u1eeba r\u1ebb ti\u1ec1n, v\u1eeba thu\u1eadn ti\u1ec7n, hi\u1ec7u qu\u1ea3 ra r\u1ec5 cao n\u00ean \u0111\u01b0\u1ee3c nhi\u1ec1u c\u01a1 s\u1edf trong n\u01b0\u1edbc v\u00e0 ngo\u00e0i n\u01b0\u1edbc s\u1eed d\u1ee5ng.<\/p>\n

K\u1ebft lu\u1eadn.<\/b><\/p>\n

C\u00f4ng ngh\u1ec7 sinh h\u1ecdc l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c m\u1edbi \u0111ang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u1ea3i thi\u1ec7n c\u00e2y r\u1eebng \u1edf Vi\u1ec7t Nam. Tuy v\u1eady, nu\u00f4i c\u00e2y m\u00f4 v\u00e0 gi\u00e2m hom \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng c\u00f3 k\u1ebft qu\u1ea3 t\u1ed1t v\u00e0 \u0111ang ph\u00e1t tri\u1ec3n m\u1ea1nh trong c\u1ea3 n\u01b0\u1edbc. Song c\u1ea7n ph\u1ea3i nh\u1eadn th\u1ee9c r\u00f5 l\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p nh\u00e2n gi\u1ed1ng b\u1eb1ng m\u00f4- hom ch\u1ec9 l\u00e0 c\u00f4ng c\u1ee5 c\u1ee7a ch\u1ecdn gi\u1ed1ng, n\u00f3 ch\u1ec9 c\u00f3 \u00fd ngh\u0129a kinh t\u1ebf khi \u0111\u01b0\u1ee3c g\u1eafn li\u1ec1n v\u1edbi m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ch\u1ecdn gi\u1ed1ng nghi\u00eam t\u00fac. \u0110\u1ecbnh h\u01b0\u1edbng c\u1ee7a \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc trong th\u1eddi gian t\u1edbi l\u00e0 nghi\u00ean c\u1ee9u chuy\u1ec3n n\u1ea1p gen, lai gi\u1ed1ng m\u1edbi c\u00f3 t\u00ednh \u01b0u vi\u1ec7t. \u0110\u1ec3 c\u00f3 hi\u1ec7u qu\u1ea3 c\u00f4ng ngh\u1ec7 n\u00e0y tr\u01b0\u1edbc h\u1ebft c\u1ea7n nghi\u00ean c\u1ee9u ho\u00e0n thi\u1ec7n c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t c\u00e2y gi\u1ed1ng b\u1eb1ng nu\u00f4i c\u1ea5y m\u00f4 v\u00e0 gi\u00e2m hom, ph\u1ed1i h\u1ee3p gi\u1eefa c\u00f4ng ngh\u1ec7 sinh h\u1ecdc hi\u1ec7n \u0111\u1ea1i v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn t\u1ea1o gi\u1ed1ng truy\u1ec1n th\u1ed1ng s\u1ebd g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y nhanh c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng, t\u1ea1o ra c\u00e1c gi\u1ed1ng c\u00e2y m\u1edbi c\u00f3 n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng kinh t\u1ebf \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao.<\/p>\n

T\u00e0i li\u1ec7u tham kh\u1ea3o.<\/b><\/p>\n

1. L\u00ea Tr\u1ea7n B\u00ecnh, H\u1ed3 H\u1eefu Nh\u1ecb, L\u00ea Th\u1ecb Mu\u1ed9i (1984). CNSH trong c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y tr\u1ed3ng, NXB N\u00f4ng Nghi\u1ec7p H\u00e0 N\u1ed9i.<\/p>\n

2. D\u01b0\u01a1ng M\u1ed9ng H\u00f9ng (1977), H\u1ed9i th\u1ea3o khoa h\u1ecdc \u1ee9ng d\u1ee5ng khoa h\u1ecdc c\u00f4ng ngh\u1ec7 nu\u00f4i c\u1ea5y m\u00f4 v\u00e0 gi\u00e2m hom trong l\u00e2m nghi\u1ec7p, TPHCM 1997.<\/p>\n

3. L\u00ea \u0110\u00ecnh Kh\u1ea3, T\u1ea1p Ch\u00ed khoa h\u1ecdc c\u00f4ng ngh\u1ec7 c\u1ee7a b\u1ed9 N\u00f4ng nghi\u1ec7p Ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n 2002<\/p>\n

4. Ph\u1ea1m v\u0103n Tu\u1ea5n, H\u1ed9i th\u1ea3o khoa h\u1ecdc \u1ee9ng d\u1ee5ng khoa h\u1ecdc c\u00f4ng ngh\u1ec7 nu\u00f4i c\u1ea5y m\u00f4 v\u00e0 gi\u00e2m trong l\u00e2m nghi\u1ec7p, TPHCM 1997.<\/p>\n

5. Nguy\u1ec5n Quang Th\u1ea1ch (1996). CNSH th\u1ef1c v\u1eadt, Tr\u01b0\u1eddng \u0110H N\u00f4ng nghi\u1ec7p 1 H\u00e0 N\u1ed9i<\/p>\n

6. \u0110\u1ed7 N\u0103ng V\u1ecbnh, 2002. CNSH c\u00e2y tr\u1ed3ng NXB N\u00f4ng Nghi\u1ec7p H\u00e0 N\u1ed9i.<\/p>\n

Some results of application of biotechnology in forest tree propagation<\/b><\/p>\n

Summary<\/b><\/p>\n

 <\/p>\n

Applications of biotechnology are micro-propagation by tissue culture, transgenic technology, molecular makers and cutting propagation. Integration of biotechnology in forest tree propagation had created high yield forest species and increased effectiveness of forest tree breeding to make economic forest planting effective.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f4ng ngh\u1ec7 sinh h\u1ecdc (CNSH) l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m, \u0111\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong ch\u01b0\u01a1ng tr\u00ecnh c\u1ea3i thi\u1ec7n gi\u1ed1ng.<\/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\/491"}],"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=491"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/491\/revisions"}],"predecessor-version":[{"id":19105,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/491\/revisions\/19105"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}