{"id":8775,"date":"2009-03-24T04:27:04","date_gmt":"2009-03-23T21:27:04","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/03\/tien-bo-ky-thuat-ve-giong-cay-lam-nghiep-o-dong-nam-bo\/"},"modified":"2019-09-24T11:01:35","modified_gmt":"2019-09-24T04:01:35","slug":"tien-bo-ky-thuat-ve-giong-cay-lam-nghiep-o-dong-nam-bo","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/tien-bo-ky-thuat-ve-giong-cay-lam-nghiep-o-dong-nam-bo\/","title":{"rendered":"TI\u1ebeN B\u1ed8 K\u1ef8 THU\u1eacT V\u1ec0 GI\u1ed0NG C\u00c2Y L\u00c2M NGHI\u1ec6P \u1ede \u0110\u00d4NG NAM B\u1ed8"},"content":{"rendered":"

Nguy\u1ec5n Ti\u1ebfn \u0110\u1ea1i, Ph\u1ea1m V\u0103n Chi\u1ebfn<\/em><\/strong><\/p>\n

Trung t\u00e2m KH&SX L\u00e2m nghi\u1ec7p \u0110.N.B\u1ed9<\/h3>\n

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

Ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t h\u00e0ng ho\u00e1 c\u00f3 s\u1eed \u0111\u1ee5ng nguy\u00ean li\u1ec7u t\u1eeb g\u1ed7 lu\u00f4n ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng t\u0103ng v\u1ec1 d\u00e2n s\u1ed1 v\u00e0 kinh t\u1ebf \u1edf h\u1ea7u h\u1ebft c\u00e1c qu\u1ed1c gia tr\u00ean th\u1ebf gi\u1edb\u00ec. Ng\u00e0y nay, khi m\u00e0 l\u01b0\u1ee3ng g\u1ed7 \u0111\u01b0\u1ee3c khai th\u00e1c t\u1eeb r\u1eebng t\u1ef1 nhi\u00ean tr\u00ean th\u1ebf gi\u1edbi \u0111\u00e3 b\u1ecb s\u00fat gi\u1ea3m m\u1ea1nh \u0111o tr\u1eef l\u01b0\u1ee3ng g\u1ed7 ng\u00e0y m\u1ed9t c\u1ea1n ki\u1ec7t, di\u1ec7n t\u00edch r\u1eebng ng\u00e0y m\u1ed9t thu h\u1eb9p th\u00ec c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ph\u00e1t tri\u1ec3n nhanh c\u00f3 v\u1ecb tr\u00ed quan tr\u1ecdng trong c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t b\u1ed9t gi\u1ea5y, v\u00e1n nh\u00e2n t\u1ea1o, \u0111\u1ed3 g\u1ed7 gia d\u1ee5ng v\u00e0 g\u1ed7 x\u00e2y d\u1ef1ng … <\/em>B\u1edfi v\u1eady nhi\u1ec1u qu\u1ed1c gia \u0111ang n\u1ed7 l\u1ef1c t\u00ecm ki\u1ebfm nh\u1eefng lo\u00e0i c\u00e2y m\u1ecdc nhanh, th\u00edch h\u1ee3p trong v\u00f9ng nh\u01b0 b\u1ea1ch \u0111\u00e0n (Eucalyptus), <\/em>keo (Acacia), <\/em>keo lai (Acacia hybrid), <\/em>b\u1ed3 \u0111\u1ec1 (Styrax tonkinensis), <\/em>mu\u1ed3ng gi\u1ea5y (Parranevianthesfansacaria)… <\/em>\u0111\u1ec3 ph\u00e1t tri\u1ec3n r\u1eebng tr\u1ed3ng c\u00f4ng nghi\u1ec7p h\u1ea7u mong thay th\u1ebf g\u1ed7 r\u1eebng t\u1ef1 nhi\u00ean.<\/p>\n

\u1ede n\u01b0\u1edbc ta, vi\u1ec7c tr\u1ed3ng r\u1eebng th\u01b0\u01a1ng m\u1ea1i, tr\u1ed3ng r\u1eebng c\u00f4ng nghi\u1ec7p c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea9y m\u1ea1nh, \u0111\u1eb7c bi\u1ec7t t\u1ea1i c\u00e1c v\u00f9ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i nh\u01b0 v\u00f9ng Trung du B\u1eafc B\u1ed9, T\u00e2y Nguy\u00ean, \u0110\u00f4ng Nam B\u1ed9 v\u00e0 T\u00e2y Nam B\u1ed9. C\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u, c\u1ea3i thi\u1ec7n gi\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean h\u00e0ng \u0111\u1ea7u. Tr\u00ean \u0111\u00e0 chung \u0111\u00f3 t\u1ea1i \u0110\u00f4ng Nam B\u1ed9, th\u1eddi gian qua \u0111\u01b0\u01a1c s\u1ef1 h\u1ed7 tr\u1ee3 t\u00edch c\u1ef1c t\u1eeb Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7pt Vi\u1ec7t Nam, c\u00f9ng v\u1edbi s\u1ef1 ph\u1ed1i h\u1ee3p c\u1ee7a Trung t\u00e2m Gi\u1ed1ng c\u00e2y r\u1eebng v\u00e0 c\u00e1c \u0111\u1ecba ph\u01b0\u01a1ng, c\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng \u0111\u00e3 thu \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebft qu\u1ea3 kh\u1ea3 quan v\u00e0 \u0111\u00e3 \u0111\u01b0a nhanh \u0111\u01b0\u1ee3c gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t, g\u00f3p ph\u1ea7n th\u1ef1c hi\u1ec7n ch\u01b0\u01a1ng tnnh tr\u1ed3ng m\u1edbi 5 tri\u1ec7u ha r\u1eebng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 ch\u00ednh:<\/p>\n

1. Tuy\u1ec3n ch\u1ecdn nh\u1eefng xu\u1ea5t x\u1ee9 b\u1ea1ch \u0111\u00e0n v\u00e0 keo c\u00f3 sinh tr\u01b0\u1edfng nhanh, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba tr\u1ed3ng r\u1eebng v\u00f9ng \u0110\u00f4ng Nam B\u1ed9<\/strong><\/p>\n

Kh\u1ea3o nghi\u1ec7m tuy\u1ec3n ch\u1ecdn lo\u00e0i v\u00e0 xu\u1ea5t x\u1ee9 l\u00e0 b\u01b0\u1edbc \u0111i \u0111\u1ea7u ti\u00ean c\u1ee7a c\u00f4ng t\u00e1c c\u1ea3i thi\u1ec7n gi\u1ed1ng. Trong gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p, b\u01b0\u1edbc tuy\u1ec3n ch\u1ecdn n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i th\u01b0\u1eddng xuy\u00ean li\u00ean t\u1ee5c tr\u00ean di\u1ec7n r\u1ed9ng v\u1edbi nhi\u1ec1u d\u1ea1ng l\u1eadp \u0111\u1ecba kh\u00e1c nhau v\u00e0 di\u1ec5n ra trong th\u1eddi gian d\u00e0i, c\u00f3 th\u1ec3 l\u00e0 5 n\u0103m, 10 n\u0103m ho\u1eb7c l\u00e2u h\u01a1n.<\/p>\n

\u1ede \u0110\u00f4ng Nam B\u1ed9, c\u00f4ng t\u00e1c kh\u1ea3o nghi\u1ec7m tuy\u1ec3n ch\u1ecdn gi\u1ed1ng \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u t\u1eeb n\u0103m 1987 cho \u0111\u1ebfn n\u0103m 1996, t\u1ee9c l\u00e0 sau g\u1ea7n 10 n\u0103m tr\u00ean di\u1ec7n t\u00edch h\u01a1n 30ha t\u1ea1i c\u00e1c v\u00f9ng \u0111\u1ea5t ferelit \u1edf S\u00f4ng M\u00e2y-\u0110\u1ed3ng Nai, v\u00f9ng \u0111\u1ea5t x\u00e1m ph\u00f9 sa c\u1ed5 B\u00e0u B\u00e0ng-B\u00ecnh D\u01b0\u01a1ng v\u00e0 \u0111\u1ea5t n\u00e2u \u0111\u1ecf \u1edf M\u00e3 \u0110\u00e0-B\u00ecnh Ph\u01b0\u1edbc.C\u00e1c kh\u1ea3o nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh g\u1ed3m 10 lo\u00e0i v\u00e0 56 xu\u1ea5t x\u1ee9 b\u1ea1ch \u0111\u00e0n, 4 lo\u00e0i v\u00e0 53 xu\u1ea5t keo.<\/p>\n

Qua ph\u00e2n t\u00edch \u0111\u00e1nh gi\u00e1 tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 s\u1ef1 ph\u00f9 h\u1ee3p v\u1ec1 sinh tr\u01b0\u1edfng tr\u00ean nhi\u1ec1u d\u1ea1ng l\u1eadp \u0111\u1ecba, t\u1ed1c \u0111\u1ed9 sinh tr\u01b0\u1edfng nhanh, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu s\u00e2u b\u1ec7nh h\u1ea1i, kh\u1ea3 n\u0103ng t\u00e1i sinh,…\u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nh\u1eefng xu\u1ea5t x\u1ee9 \u01b0u vi\u1ec7t nh\u01b0 sau:<\/p>\n

B\u1ea3ng 1.Nh\u1eefng xu\u1ea5t x\u1ee9 \u01b0u vi\u1ec7t c\u1ee7a c\u00e1c lo\u00e0i b\u1ea1ch \u0111\u00e0n v\u00e0 keo \u0111\u00e3 \u0111\u01b0\u1ee3c tuy\u1ec3n ch\u1ecdn<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Ngành công nghi\u1ec7p s\u1ea3n xu\u1ea5t hàng hoá có s\u1eed \u0111\u1ee5ng nguyên li\u1ec7u t\u1eeb g\u1ed7 luôn phát tri\u1ec3n theo h\u01b0\u1edbng t\u0103ng v\u1ec1 dân s\u1ed1 và kinh t\u1ebf \u1edf h\u1ea7u h\u1ebft các qu\u1ed1c gia trên th\u1ebf gi\u1edbì. Ngày nay, khi mà l\u01b0\u1ee3ng g\u1ed7 \u0111\u01b0\u1ee3c khai thác t\u1eeb r\u1eebng t\u1ef1 nhiên trên th\u1ebf gi\u1edbi \u0111ã b\u1ecb sút gi\u1ea3m m\u1ea1nh \u0111o tr\u1eef l\u01b0\u1ee3ng g\u1ed7 ngày m\u1ed9t c\u1ea1n ki\u1ec7t, di\u1ec7n tích r\u1eebng ngày m\u1ed9t thu h\u1eb9p thì các loài cây tr\u1ed3ng r\u1eebng phát tri\u1ec3n nhanh có v\u1ecb trí quan tr\u1ecdng trong công nghi\u1ec7p s\u1ea3n xu\u1ea5t b\u1ed9t gi\u1ea5y, ván nhân t\u1ea1o, \u0111\u1ed3 g\u1ed7 gia d\u1ee5ng và g\u1ed7 xây d\u1ef1ng … B\u1edfi v\u1eady nhi\u1ec1u qu\u1ed1c gia \u0111ang n\u1ed7 l\u1ef1c tìm ki\u1ebfm nh\u1eefng loài cây m\u1ecdc nhanh, thích h\u1ee3p trong vùng nh\u01b0 b\u1ea1ch \u0111àn (Eucalyptus), keo (Acacia), keo lai (Acacia hybrid), b\u1ed3 \u0111\u1ec1 (Styrax tonkinensis), mu\u1ed3ng gi\u1ea5y (Parranevianthesfansacaria)… \u0111\u1ec3 phát tri\u1ec3n r\u1eebng tr\u1ed3ng công nghi\u1ec7p h\u1ea7u mong thay th\u1ebf g\u1ed7 r\u1eebng t\u1ef1 nhiên. <\/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\/8775"}],"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=8775"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8775\/revisions"}],"predecessor-version":[{"id":19086,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8775\/revisions\/19086"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}