\n\nL\u00e0 m\u1ed9t n\u01b0\u1edbc n\u1eb1m \u1edf c\u1ef1c \u0110\u00f4ng Nam b\u00e1n \u0111\u1ea3o \u0110\u00f4ng D\u01b0\u01a1ng, v\u1edbi \u0111\u01b0\u1eddng b\u1edd bi\u1ec3n d\u00e0i 3.260 km (kh\u00f4ng k\u1ec3 c\u00e1c \u0111\u1ea3o), Vi\u1ec7t Nam ch\u1ecbu \u1ea3nh h\u01b0\u1edfng r\u1ea5t nhi\u1ec1u c\u1ee7a kh\u00ed h\u1eadu bi\u1ec3n, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u1ec1n s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p, trong \u0111\u00f3 c\u00f3 n\u1ec1n s\u1ea3n xu\u1ea5t l\u00faa n\u01b0\u1edbc. Hi\u1ec7n nay, c\u00f9ng v\u1edbi s\u1ef1 n\u00f3ng l\u00ean c\u1ee7a kh\u00ed h\u1eadu to\u00e0n c\u1ea7u v\u00e0 s\u1ef1 gia t\u0103ng khai th\u00e1c n\u01b0\u1edbc ng\u1ecdt t\u1eeb ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n \u0111\u00e3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng thi\u1ebfu n\u01b0\u1edbc ng\u1ecdt v\u00e0 n\u01b0\u1edbc bi\u1ec3n x\u00e2m l\u1ea5n s\u00e2u v\u00e0o \u0111\u1ea5t li\u1ec1n, \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn s\u1ea3n xu\u1ea5t l\u00faa n\u01b0\u1edbc t\u1ea1i c\u00e1c v\u00f9ng \u0111\u1ed3ng b\u1eb1ng ven bi\u1ec3n.\n\n<\/p>\n\n\n\n
Tr\u01b0\u1edbc t\u00ecnh h\u00ecnh th\u1ef1c t\u1ebf n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i t\u00ecm ra \u0111\u01b0\u1ee3c c\u00e1c gi\u1ed1ng l\u00faa c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu m\u1eb7n c\u0169ng nh\u01b0 nghi\u00ean c\u1ee9u c\u00e1c \u0111\u1eb7c t\u00ednh n\u00f4ng sinh h\u1ecdc li\u00ean quan \u0111\u1ebfn t\u00ednh ch\u1ecbu m\u1eb7n s\u1ebd g\u00f3p ph\u1ea7n canh t\u00e1c l\u00faa n\u01b0\u1edbc hi\u1ec7u qu\u1ea3 tr\u00ean v\u00f9ng \u0111\u1ea5t b\u1ecb nhi\u1ec5m m\u1eb7n. V\u00ec v\u1eady, vi\u1ec7c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u00e1c gi\u1ed1ng l\u00faa trong \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf, t\u1eadp trung khai th\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean di truy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng ch\u1ecbu m\u1eb7n \u0111\u00e3 tr\u1edf th\u00e0nh c\u1ea5p thi\u1ebft \u0111\u1ec3 g\u00f3p ph\u1ea7n \u1ed5n \u0111\u1ecbnh an ninh l\u01b0\u01a1ng th\u1ef1c, \u0111\u1ea3m b\u1ea3o thu nh\u1eadp, ph\u00e1t tri\u1ebfn kinh t\u1ebf c\u00e1c v\u00f9ng ven bi\u1ec3n nhi\u1ec5m m\u1eb7n.<\/p>\n\n\n\n
Th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed trong 3 v\u1ee5 tr\u00ean v\u00f9ng \u0111\u1ea5t nhi\u1ec5m m\u1eb7n t\u1ea1i Th\u1ecb tr\u1ea5n R\u1ea1ng \u0110\u00f4ng, Ngh\u0129a H\u01b0ng, Nam \u0110\u1ecbnh, nh\u1eb1m \u0111\u00e1nh gi\u00e1 \u0111\u1eb7c \u0111i\u1ec3m n\u00f4ng sinh h\u1ecdc c\u1ee7a 4 gi\u1ed1ng l\u00faa trong ngu\u1ed3n gen l\u00faa ch\u1ecbu m\u1eb7n bao g\u1ed3m C\u01b0\u1eddm d\u1ea1ng 1 (S\u0110K6188), Chi\u00eam rong (S\u0110K6191), N\u1ebfp \u1ed0c (S\u0110K:6192), N\u1ebfp N\u00f5n tre (S\u0110K6196) so v\u1edbi 3 gi\u1ed1ng l\u00faa \u0111\u1ed1i ch\u1ee9ng bao g\u1ed3m IR28 (m\u1eabn c\u1ea3m m\u1eb7n – \u0111\u1ed1i ch\u1ee9ng 1), Khang d\u00e2n 18 (\u0111ang tr\u1ed3ng \u0111\u1ea1i tr\u00e0 \u1edf \u0111\u1ecba ph\u01b0\u01a1ng-\u0111\u1ed1i ch\u1ee9ng 2) v\u00e0 A69-1 (kh\u00e1ng m\u1eb7n – \u0111\u1ed1i ch\u1ee9ng 3). Qua 3 v\u1ee5 th\u00ed nghi\u1ec7m cho th\u1ea5y, sau c\u1ea5y 7 ng\u00e0y, \u0110C1 c\u00f3 t\u1ef7 l\u1ec7 c\u00e2y ch\u1ebft cao (50% -70% ) v\u00e0 ch\u1ebft nhi\u1ec1u h\u01a1n n\u1eefa l\u00e0 \u0110C2 (80% – 90%). C\u00e1c gi\u1ed1ng l\u00faa th\u00ed nghi\u1ec7m c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i sau c\u1ea5y nhanh h\u01a1n n\u00ean ra l\u00e1 v\u00e0 \u0111\u1ebb nh\u00e1nh s\u1edbm h\u01a1n so v\u1edbi \u0110C1 v\u00e0 \u0110C2. \u1ede c\u1ea3 ba giai \u0111o\u1ea1n \u0111\u1ebb nh\u00e1nh t\u1ed1i \u0111a, tr\u1ed7 v\u00e0 ch\u00edn s\u00e1p nh\u00ecn chung ch\u1ec9 s\u1ed1 di\u1ec7n t\u00edch l\u00e1 c\u1ee7a c\u00e1c gi\u1ed1ng l\u00faa th\u00ed nghi\u1ec7m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u0110C3 v\u00e0 \u0111\u1ec1u cao h\u01a1n c\u1ea3 \u0110C1 v\u00e0 \u0110C2. \u0110\u1eb7c bi\u1ec7t, gi\u1ed1ng N\u1ebfp \u1ed0c c\u00f3 ch\u1ec9 s\u1ed1 di\u1ec7n t\u00edch l\u00e1 cao h\u01a1n \u1edf m\u1ee9c \u00fd ngh\u0129a so v\u1edbi c\u1ea3 3 gi\u1ed1ng \u0110C. \u1ede giai \u0111o\u1ea1n tr\u1ed7, ch\u1ec9 s\u1ed1 SPAD (m\u1ed9t ch\u1ec9 ti\u00eau t\u01b0\u01a1ng quan thu\u1eadn v\u1edbi h\u00e0m l\u01b0\u1ee3ng di\u1ec7p l\u1ee5c) c\u1ee7a hai gi\u1ed1ng C\u01b0\u1eddm d\u1ea1ng 1 v\u00e0 Chi\u00eam rong \u0111\u1ec1u cao h\u01a1n so v\u1edbi c\u1ea3 3 gi\u1ed1ng \u0111\u1ed1i ch\u1ee9ng. Giai \u0111o\u1ea1n ch\u00edn s\u00e1p, C\u01b0\u1eddm d\u1ea1ng 1 c\u00f3 ch\u1ec9 s\u1ed1 SPAD l\u1edbn h\u01a1n \u0110C1 v\u00e0 \u0110C2. \u1ede c\u1ea3 3 giai \u0111o\u1ea1n, c\u00e1c gi\u1ed1ng l\u00faa th\u00ed nghi\u1ec7m \u0111\u1ec1u c\u00f3 l\u01b0\u1ee3ng ch\u1ea5t kh\u00f4 t\u00edch l\u0169y \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n \u1edf m\u1ee9c \u00fd ngh\u0129a so v\u1edbi 3 gi\u1ed1ng \u0110C. Trong c\u1ea3 3 v\u1ee5, n\u0103ng su\u1ea5t th\u1ef1c thu c\u1ee7a c\u00e1c gi\u1ed1ng l\u00faa th\u00ed nghi\u1ec7m \u0111\u1ec1u cao h\u01a1n \u0110C1 v\u00e0 \u0110C2. Trong \u0111\u00f3 C\u01b0\u1eddm d\u1ea1ng 1 v\u00e0 N\u1ebfp \u1ed0c cho n\u0103ng su\u1ea5t cao h\u01a1n c\u1ea3 3 \u0110C. Nh\u01b0 v\u1eady, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c gi\u1ed1ng \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n s\u1ea3n xu\u1ea5t t\u1ea1i c\u00e1c v\u00f9ng \u0111\u1ea5t nhi\u1ec5m m\u1eb7n t\u1ea1i Nam \u0110\u1ecbnh.<\/p>\n\n\n\n
D\u01b0\u01a1ng Th\u1ecb H\u1ed3ng Mai & cs <\/p>\n","protected":false},"excerpt":{"rendered":"
L\u00e0 m\u1ed9t n\u01b0\u1edbc n\u1eb1m \u1edf c\u1ef1c \u0110\u00f4ng Nam b\u00e1n \u0111\u1ea3o \u0110\u00f4ng D\u01b0\u01a1ng, v\u1edbi \u0111\u01b0\u1eddng b\u1edd bi\u1ec3n d\u00e0i 3.260 km (kh\u00f4ng<\/p>\n","protected":false},"author":4,"featured_media":1512,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[47],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/612"}],"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=612"}],"version-history":[{"count":2,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/612\/revisions"}],"predecessor-version":[{"id":3276,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/612\/revisions\/3276"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/1512"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}