{"id":604,"date":"2017-03-09T11:02:49","date_gmt":"2017-03-09T04:02:49","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=604"},"modified":"2017-03-09T11:02:49","modified_gmt":"2017-03-09T04:02:49","slug":"moi-quan-he-giua-mo-hinh-kinh-te-vuon-va-da-dang-cay-trong-trong-vuon-gia-dinh-tai-ba-diem-sinh-thai-mien-bac-viet-nam","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=604","title":{"rendered":"M\u1ed1i quan h\u1ec7 gi\u1eefa m\u00f4 h\u00ecnh kinh t\u1ebf v\u01b0\u1eddn v\u00e0 \u0111a d\u1ea1ng c\u00e2y tr\u1ed3ng trong v\u01b0\u1eddn gia \u0111\u00ecnh t\u1ea1i ba \u0111i\u1ec3m sinh th\u00e1i mi\u1ec1n B\u1eafc Vi\u1ec7t Nam"},"content":{"rendered":"\n\n\n\n
\n
\u00a0\u00a0 T\u00e0i nguy\u00ean di truy\u1ec1n th\u1ef1c v\u1eadt \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 lo\u1ea1i t\u00e0i s\u1ea3n v\u00f4 gi\u00e1 c\u1ee7a lo\u00e0i ng\u01b0\u1eddi, ch\u00fang t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n song song v\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 v\u00e0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a x\u00e3 h\u1ed9i lo\u00e0i ng\u01b0\u1eddi. Trong c\u00e1c qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n kinh t\u1ebf x\u00e3 h\u1ed9i, ngu\u1ed3n t\u00e0i nguy\u00ean n\u00e0y ng\u00e0y c\u00e0ng kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u00ed tr\u00ed quan tr\u1ecdng kh\u00f4ng th\u1ec3 thay th\u1ec3 c\u1ee7a n\u00f3. Tuy nhi\u00ean hi\u1ec7n nay ngu\u1ed3n t\u00e0i nguy\u00ean n\u00e0y \u0111ang b\u1ecb khai th\u00e1c v\u00e0 s\u1eed d\u1ee5ng qu\u00e1 m\u1ee9c, \u0111\u00f2i h\u1ecfi c\u1ea7n c\u00f3 nh\u1eefng nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 \u0111\u00fang \u0111\u1eafn. <\/span>
\n\u00a0\u00a0\u00a0\u00a0 Hi\u1ec7n nay c\u00e1c nghi\u00ean c\u1ee9u chia b\u1ea3o t\u1ed3n l\u01b0u gi\u1eef an to\u00e0n t\u00e0i nguy\u00ean di truy\u1ec1n th\u1ef1c v\u1eadt ra th\u00e0nh hai ph\u1ea7n n\u1ed5i b\u1eadt l\u00e0 b\u1ea3o t\u1ed3n in-situ v\u00e0 ex-situ. B\u1ea3o t\u1ed3n c\u00e2y tr\u1ed3ng trong v\u01b0\u1eddn gia \u0111\u00ecnh l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c c\u1ee7a b\u1ea3o t\u1ed3n in-situ v\u00e0 l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1ecba ch\u1ec9 tin c\u1eady cho vi\u1ec7c b\u1ea3o t\u1ed3n s\u1eed d\u1ee5ng b\u1ec1n v\u1eefng ngu\u1ed3n gen c\u00e2y tr\u1ed3ng. Trong v\u01b0\u1eddn gia \u0111\u00ecnh (VG\u0110), ngu\u1ed3n gen \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef d\u01b0\u1edbi d\u1ea1ng v\u1eadt th\u1ec3 s\u1ed1ng n\u00ean ch\u00fang th\u00edch \u1ee9ng v\u1edbi nh\u1eefng bi\u1ebfn \u0111\u1ed5i t\u1ef1 nhi\u00ean, \u0111\u1ed3ng th\u1eddi l\u00e0 ngu\u1ed3n v\u1eadt li\u1ec7u di truy\u1ec1n s\u1eb5n c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u t\u1ea1o gi\u1ed1ng c\u1ea5p th\u1eddi. <\/span>
\n \u00a0\u00a0\u00a0\u00a0 Ngo\u00e0i nh\u1eefng gi\u00e1 tr\u1ecb v\u1ec1 khoa h\u1ecdc, t\u00e0i nguy\u00ean th\u1ef1c v\u1eadt trong VG\u0110 c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 l\u00e0 ph\u01b0\u01a1ng k\u1ebf ki\u1ebfm s\u1ed1ng c\u1ee7a n\u00f4ng d\u00e2n \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u1ed9 ngh\u00e8o \u1edf c\u00e1c khu v\u1ef1c n\u00f4ng th\u00f4n. Ch\u00ednh t\u00e0i nguy\u00ean c\u00e2y tr\u1ed3ng trong VG\u0110 tr\u1edf th\u00e0nh ngu\u1ed3n nguy\u00ean nhi\u00ean li\u1ec7u ch\u00ednh \u0111\u1ec3 ph\u00e1t tri\u1ec3n m\u00f4 h\u00ecnh kinh t\u1ebf v\u01b0\u1eddn. Nhi\u1ec1u m\u00f4 h\u00ecnh kinh t\u1ebf v\u01b0\u1eddn nh\u01b0 v\u01b0\u1eddn ao chu\u1ed3ng (VAC), v\u01b0\u1eddn ao chu\u1ed3ng \u0111\u1ed3i (VACD)… \u0111\u1eb5 kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 kinh t\u1ebf x\u00e3 h\u1ed9i v\u00e0 m\u00f4i tr\u01b0\u1eddng h\u01a1n h\u1eb3n c\u00e1c m\u00f4 h\u00ecnh kinh t\u1ebf kh\u00e1c. C\u00e1c m\u00f4 h\u00ecnh kinh t\u1ebf v\u01b0\u1eddn t\u1ed5ng h\u1ee3p c\u00f2n gi\u1eef vai tr\u00f2 quan tr\u1ecdng cho qu\u00e1 tr\u00ecnh \u0111\u1ed1i ph\u00f3 v\u1edbi s\u1ef1 thay \u0111\u1ed5i kh\u00ed h\u1eadu hi\u1ec7n nay. S\u1ef1 v\u01b0\u1ee3t tr\u1ed9i tr\u00ean l\u00e0 do s\u1ef1 \u0111\u00f3 g\u00f3p to l\u1edbn c\u1ee7a ch\u00ednh s\u1ef1 gi\u00e0u c\u00f3 v\u1ec1 \u0111a d\u1ea1ng sinh h\u1ecdc \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u00e0i nguy\u00ean th\u1ef1c v\u1eadt.<\/span>
\n\u00a0\u00a0\u00a0\u00a0 Xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c t\u1ebf tr\u00ean ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u \u201cM\u1ed1i quan h\u1ec7 gi\u1eefa m\u00f4 h\u00ecnh kinh t\u1ebf v\u01b0\u1eddn v\u00e0 \u0111a d\u1ea1ng c\u00e2y tr\u1ed3ng trong VG\u0110 t\u1ea1i ba \u0111i\u1ec3m sinh th\u00e1i mi\u1ec1n B\u1eafc Vi\u1ec7t Nam\u201d. B\u00e0i vi\u1ebft s\u1ebd \u0111\u00e1nh gi\u00e1 s\u1ef1 \u0111a d\u1ea1ng ngu\u1ed3n gen c\u00e2y tr\u1ed3ng trong m\u1ed1i li\u00ean quan gi\u1eefa c\u00e1c m\u00f4 h\u00ecnh kinh t\u1ebf v\u01b0\u1eddn nh\u1eb1m ph\u00e1t tri\u1ec3n VG\u0110 th\u00e0nh \u0111i\u1ec3m b\u1ea3o t\u1ed3n in-situ b\u1ec1n v\u1eefng ngu\u1ed3n gen c\u00e2y tr\u1ed3ng c\u0169ng nh\u01b0 \u0111\u1ec1 xu\u1ea5t gi\u1ea3i ph\u00e1p b\u1ea3o t\u1ed3n v\u00e0 s\u1eed d\u1ee5ng b\u1ec1n v\u1eefng t\u00e0i nguy\u00ean th\u1ef1c v\u1eadt trong VG\u0110. <\/span>
\n\u00a0\u00a0\u00a0\u00a0 T\u1ea1i Nho Quan, m\u00f4 h\u00ecnh VAC l\u00e0 m\u00f4 h\u00ecnh v\u01b0\u1eddn c\u00f3 t\u1ea7n su\u1ea5t xu\u1ea5t hi\u1ec7n gi\u1ed1ng c\u00e2y tr\u1ed3ng \u1edf c\u00e1c nh\u00f3m cao nh\u1ea5t. \u0110\u1ed1i v\u1edbi CAQ c\u00f3 t\u1edbi 31 gi\u1ed1ng xu\u1ea5t hi\u1ec7n trong m\u00f4 h\u00ecnh VAC, 16 gi\u1ed1ng xu\u1ea5t hi\u1ec7n trong m\u00f4 h\u00ecnh v\u01b0\u1eddn ao (VA) v\u00e0 v\u01b0\u1eddn chu\u1ed3ng (VC). \u0110\u1ed3ng th\u1eddi khi \u00e1p d\u1ee5ng m\u00f4 h\u00ecnh n\u00e0y th\u00ec c\u00e1c h\u1ed9 gia \u0111\u00ecnh \u0111\u1ec1u tr\u1ed3ng t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i c\u00e2y b\u1edfi v\u00ec t\u00ednh ph\u00f9 h\u1ee3p c\u1ee7a lo\u1ea1i h\u00ecnh kinh t\u1ebf v\u01b0\u1eddn n\u00e0y. <\/span>
\n\u00a0\u00a0\u00a0\u00a0 T\u1ea1i K\u1ef3 S\u01a1n, t\u1ea5t c\u1ea3 c\u00e1c nh\u00f3m gi\u1ed1ng c\u00e2y tr\u1ed3ng \u0111\u1ec1u \u0111\u01b0\u1ee3c h\u1ed9 n\u00f4ng d\u00e2n tr\u1ed3ng \u1edf t\u1ea5t c\u1ea3 c\u00e1c m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, nh\u01b0ng do \u01b0u \u0111i\u1ec3m v\u1ec1 di\u1ec7n t\u00edch n\u00ean s\u1ed1 c\u00e2y tr\u1ed3ng trung b\u00ecnh xu\u1ea5t hi\u1ec7n cao \u1edf m\u00f4 h\u00ecnh ch\u1ec9 c\u00f3 v\u01b0\u1eddn (V), cao nh\u1ea5t l\u00e0 c\u00e1c nh\u00f3m Rau, c\u00e2y thu\u1ed1c, c\u00e2y c\u1ea3nh v\u00e0 c\u00e2y kh\u00e1c. S\u1ef1 ch\u00eanh l\u1ec7ch xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c nh\u00f3m c\u00e2y trong c\u00e1c m\u00f4 h\u00ecnh nh\u00ecn chung kh\u00f4ng c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch l\u1edbn. <\/span>
\n\u00a0\u00a0\u00a0\u00a0 T\u1ea1i H\u1ea3i H\u1eadu, trong c\u00e1c nh\u00f3m c\u00e2y ch\u00ednh nh\u01b0 CAQ, rau, gia v\u1ecb v\u00e0 c\u00e2y c\u00f3 c\u1ee7 th\u00ec c\u0169ng kh\u00f4ng c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 s\u1ed1 gi\u1ed1ng trong c\u1ea3 b\u1ed1n m\u00f4 h\u00ecnh kinh t\u1ebf v\u01b0\u1eddn. \u1ede c\u00e1c nh\u00f3m c\u00e2y kh\u00e1c nh\u01b0 c\u00e2y thu\u1ed1c, c\u00e2y c\u1ea3nh v\u00e0 c\u00e2y kh\u00e1c th\u00ec s\u1ed1 gi\u1ed1ng xu\u1ea5t hi\u1ec7n trong m\u00f4 h\u00ecnh VAC chi\u1ebfm \u0111a s\u1ed1. \u0110\u1ed1i v\u1edbi nh\u00f3m c\u00e2y c\u1ea3nh th\u00ec s\u1ed1 gi\u1ed1ng trong m\u00f4 h\u00ecnh v\u01b0\u1eddn chu\u1ed3ng (VC) chi\u1ebfm cao nh\u1ea5t l\u00e0 11 gi\u1ed1ng.<\/span>
\n\u00a0\u00a0\u00a0\u00a0 Qua ph\u00e2n t\u00edch ta th\u1ea5y bi\u1ebfn \u0111\u1ed9ng s\u1ed1 gi\u1ed1ng trong VG\u0110 theo m\u00f4 h\u00ecnh v\u01b0\u1eddn \u1edf c\u00e1c nh\u00f3m c\u00e2y t\u1ea1i c\u00e1c \u0111i\u1ec3m sinh th\u00e1i nh\u00ecn chung l\u00e0 cao. M\u00f4 h\u00ecnh VAC th\u00ec s\u1ed1 gi\u1ed1ng \u1edf nh\u00f3m CAQ dao \u0111\u1ed9ng l\u00e0 cao nh\u1ea5t t\u1ea1i Nho Quan l\u00e0 t\u1eeb 4 – 31 gi\u1ed1ng v\u00e0 t\u1ea1i H\u1ea3i H\u1eadu l\u00e0 4 \u2013 20 gi\u1ed1ng. T\u1ea1i K\u1ef3 S\u01a1n bi\u1ebfn \u0111\u1ed9ng s\u1ed1 gi\u1ed1ng trong m\u00f4 h\u00ecnh V \u1edf nh\u00f3m c\u00e2y thu\u1ed1c l\u00e0 cao nh\u1ea5t t\u1eeb 1 \u2013 31 gi\u1ed1ng. Nh\u01b0 v\u1eady th\u1ea5y r\u00f5 l\u00e0 v\u1edbi m\u1ed7i v\u00f9ng sinh th\u00e1i kh\u00e1c nhau tu\u1ef3 thu\u1ed9c v\u00e0o c\u00e1c \u0111i\u1ec1u ki\u00ean t\u1ef1 nhi\u00ean kinh t\u1ebf x\u00e3 h\u1ed9i kh\u00e1c nhau m\u00e0 c\u00f3 c\u00e1c m\u00f4 h\u00ecnh kinh t\u1ebf v\u01b0\u1eddn kh\u00e1c nhau v\u00e0 s\u1ef1 \u0111a d\u1ea1ng c\u00e1c gi\u1ed1ng trong c\u00e1c m\u00f4 h\u00ecnh c\u0169ng kh\u00e1c nhau. V\u1eady t\u1eeb m\u1ed7i v\u00f9ng kh\u00e1c nhau ta ch\u1ecdn ra c\u00e1c m\u00f4 h\u00ecnh v\u01b0\u1eddn ph\u00f9 h\u1ee3p l\u00e0m \u0111i\u1ec3m b\u1ea3o t\u1ed3n in-situ c\u00e1c gi\u1ed1ng c\u00e2y tr\u1ed3ng \u1edf c\u00e1c nh\u00f3m c\u00e2y tr\u1ed3ng kh\u00e1c nhau.<\/span>
\n\u00a0\u00a0\u00a0\u00a0\u00a0 K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra cho th\u1ea5y:<\/span>
\n\u00a0\u00a0\u00a0\u00a0 – C\u1ea3 ba \u0111i\u1ec3m c\u00f3 s\u1ef1 \u0111a d\u1ea1ng cao t\u00e0i nguy\u00ean c\u00e2y tr\u1ed3ng trong \u0111\u00f3 v\u01b0\u1eddn c\u00f3 m\u00f4 h\u00ecnh kinh t\u1ebf VAC c\u00f3 s\u1ef1 \u0111a d\u1ea1ng cao nh\u1ea5t \u1edf v\u00f9ng \u0111\u1ed3ng b\u1eb1ng v\u00e0 trung du. Ng\u01b0\u1ee3c l\u1ea1i v\u01b0\u1eddn c\u00f3 m\u00f4 h\u00ecnh V \u1edf mi\u1ec1n n\u00fai c\u00f3 s\u1ef1 \u0111a d\u1ea1ng cao nh\u1ea5t.<\/span>
\n\u00a0\u00a0\u00a0\u00a0 – C\u00f3 s\u1ef1 phong ph\u00fa v\u1ec1 m\u00f4 h\u00ecnh l\u00e0m v\u01b0\u1eddn t\u1ea1i c\u00e1c \u0111i\u1ec3m nghi\u00ean c\u1ee9u trong \u0111\u00f3 m\u00f4 h\u00ecnh VAC l\u00e0 m\u00f4 h\u00ecnh c\u00f3 s\u1ef1 t\u1ed3n t\u1ea1i b\u1ec1n v\u1eefng c\u1ee7a gi\u1ed1ng c\u00e2y tr\u1ed3ng trong trong c\u00e1c nh\u00f3m c\u00e2y trong v\u01b0\u1eddn t\u1ea1i \u0111i\u1ec3m nghi\u00ean c\u1ee9u \u1edf \u0111\u1ed3ng b\u1eb1ng v\u00e0 trung du. Ng\u01b0\u1ee3c l\u1ea1i t\u1ea1i \u0111i\u1ec3m mi\u1ec1n n\u00fai th\u00ec m\u00f4 h\u00ecnh V. \u0110\u00e2y l\u00e0 c\u1edf s\u1edf cho vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c m\u00f4 h\u00ecnh v\u01b0\u1eddn ph\u1ee5c v\u1ee5 b\u1ea3o t\u1ed3n in-situ c\u00e2y tr\u1ed3ng trong v\u01b0\u1eddn.<\/span>
\n\u00a0\u00a0\u00a0\u00a0 – S\u1ef1 bi\u1ebfn \u0111\u1ed9ng v\u1ec1 s\u1ed1 gi\u1ed1ng c\u00e2y tr\u1ed3ng trong m\u00f4 h\u00ecnh VAC \u1edf nh\u00f3m CAQ t\u1ea1i v\u00f9ng \u0111\u1ed3ng b\u1eb1ng v\u00e0 trung du l\u00e0 cao nh\u1ea5t v\u00e0 t\u1ea1i mi\u1ec1n n\u00fai th\u00ec s\u1ef1 bi\u1ebfn \u0111\u1ed9ng s\u1ed1 gi\u1ed1ng c\u00e2y thu\u1ed1c trong m\u00f4 h\u00ecnh V l\u00e0 cao nh\u1ea5t.<\/span>
\n Xem b\u00e1o c\u00e1o chi ti\u1ebft t\u1ea1i \u0111\u00e2y<\/a><\/span><\/div>\n<\/td>\n<\/tr>\n
ThS. \u0110inh V\u0103n \u0110\u1ea1o & cs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

\u00a0\u00a0 T\u00e0i nguy\u00ean di truy\u1ec1n th\u1ef1c v\u1eadt \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 lo\u1ea1i t\u00e0i s\u1ea3n v\u00f4 gi\u00e1 c\u1ee7a lo\u00e0i ng\u01b0\u1eddi, ch\u00fang<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[47],"tags":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/604"}],"collection":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=604"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/604\/revisions"}],"predecessor-version":[{"id":605,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/604\/revisions\/605"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}