{"id":2749,"date":"2022-04-25T10:35:46","date_gmt":"2022-04-25T03:35:46","guid":{"rendered":"http:\/\/crafs.vnua.edu.vn\/?p=2749"},"modified":"2022-04-25T11:04:11","modified_gmt":"2022-04-25T04:04:11","slug":"135-1","status":"publish","type":"post","link":"https:\/\/crafs.vnua.edu.vn\/?p=2749&lang=vi","title":{"rendered":"\u0110i\u1ec1u tra kh\u1ea3o s\u00e1t v\u1ec1 b\u1ec7nh v\u00e0ng l\u00e1 tr\u00ean v\u01b0\u1eddn cam"},"content":{"rendered":"

T\u1eeb ng\u00e0y 06\/04\/2022 \u0111\u1ebfn ng\u00e0y 09\/04\/2022, nh\u00f3m nghi\u00ean c\u1ee9u H\u1ec7 th\u1ed1ng n\u00f4ng nghi\u1ec7p-th\u1ef1c ph\u1ea9m th\u00edch \u1ee9ng v\u1edbi kh\u00ed h\u1eadu (CRAFS) \u0111\u00e3 \u0111i\u1ec1u tra kh\u1ea3o s\u00e1t v\u00e0 thu th\u1eadp m\u1eabu b\u1ec7nh cam c\u00f3 bi\u1ec3u hi\u1ec7n v\u00e0ng l\u00e1 t\u1ea1i th\u00f4n N\u00f4ng Tr\u01b0\u1eddng, x\u00e3 Th\u01b0\u1ee3ng B\u1eb1ng La, huy\u1ec7n V\u0103n Ch\u1ea5n, t\u1ec9nh Y\u00ean B\u00e1i. M\u1ee5c ti\u00eau c\u1ee7a chuy\u1ebfn \u0111i l\u1ea5y m\u1eabu b\u1ec7nh l\u00e0 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1ef1 c\u00f3 m\u1eb7t v\u00e0 m\u1ee9c \u0111\u1ed9 nhi\u1ec5m c\u1ee7a c\u00e1c t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh nh\u01b0 vi khu\u1ea9n g\u00e2y b\u1ec7nh v\u00e0ng l\u00e1 Greening (Ca. Las), virus tristeza g\u00e2y h\u1ed9i ch\u1ee9ng suy gi\u1ea3m mi\u1ec5n d\u1ecbch (CTV) v\u00e0 c\u00e1c lo\u1ea1i n\u1ea5m b\u1ec7nh c\u00f3 ngu\u1ed3n g\u1ed1c trong \u0111\u1ea5t (Phytophthora v\u00e0 Pythium) t\u1ea1i v\u00f9ng tr\u1ed3ng cam ch\u00ednh c\u1ee7a huy\u1ec7n V\u0103n Ch\u1ea5n.<\/p>\n

Qua kh\u1ea3o s\u00e1t c\u00e1c v\u01b0\u1eddn cam \u0111ang trong giai \u0111o\u1ea1n ki\u1ebfn thi\u1ebft c\u01a1 b\u1ea3n v\u00e0 giai \u0111o\u1ea1n kinh doanh, nh\u00f3m nghi\u00ean c\u1ee9u quan s\u00e1t th\u1ea5y c\u00e1c tri\u1ec7u ch\u1ee9ng nh\u01b0 v\u00e0ng l\u00e1, th\u1ed1i g\u1ed1c r\u1ec5 v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1m bi\u1ebfn v\u00e0ng kh\u00f4ng \u0111\u1ed1i x\u1ee9ng. Qua \u0111\u00e1nh gi\u00e1 s\u01a1 b\u1ed9, ph\u1ea7n l\u1edbn c\u00e1c c\u00e2y bi\u1ec3u hi\u1ec7n tri\u1ec7u ch\u1ee9ng li\u00ean quan \u0111\u1ebfn thi\u1ebfu dinh d\u01b0\u1ee1ng v\u00e0\/ho\u1eb7c nhi\u1ec5m vi khu\u1ea9n g\u00e2y b\u1ec7nh v\u00e0ng l\u00e1 Greening \u00a0(Ca.Las).<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \"\" \"\" \"\"<\/p>\n

Nh\u00f3m nghi\u00ean c\u1ee9u ph\u1ecfng v\u1ea5n ng\u01b0\u1eddi d\u00e2n tr\u1ed3ng cam v\u00e0 l\u1ea5y m\u1eabu b\u1ec7nh cam<\/strong><\/p>\n

Trong t\u1ed5ng s\u1ed1 132 m\u1eabu l\u00e1 v\u00e0 33 m\u1eabu r\u1ec5 b\u1ec7nh cam \u0111\u00e3 \u0111\u01b0\u1ee3c thu th\u1eadp t\u1ea1i huy\u1ec7n V\u0103n Ch\u1ea5n, c\u00f3 8 tri\u1ec7u ch\u1ee9ng \u0111\u01b0\u1ee3c quan s\u00e1t th\u1ea5y bao g\u1ed3m:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
STT<\/strong><\/td>\nTri\u1ec7u ch\u1ee9ng<\/strong><\/td>\nNguy\u00ean nh\u00e2n c\u00f3 th\u1ec3<\/strong><\/td>\n<\/tr>\n
1<\/td>\nTh\u1ed1i g\u1ed1c r\u1ec5<\/td>\nPhytophthora, Pythium (N\u1ea5m b\u1ec7nh c\u00f3 ngu\u1ed3n g\u1ed1c trong \u0111\u1ea5t), Ca.Las (Vi khu\u1ea9n g\u00e2y b\u1ec7nh v\u00e0ng l\u00e1 Greening)<\/td>\n<\/tr>\n
2<\/td>\nV\u00e0ng l\u00e1<\/td>\nThi\u1ebfu Nit\u01a1 (N), thi\u1ebfu l\u01b0u hu\u1ef3nh (S), thi\u1ebfu s\u1eaft (Fe)<\/td>\n<\/tr>\n
3<\/td>\nV\u00e0ng l\u00e1 \u2013 V\u00e0ng g\u00e2n<\/td>\nThi\u1ebfu N, Ca.Las<\/td>\n<\/tr>\n
4<\/td>\nV\u00e0ng l\u00e1 d\u1ea1ng ch\u1eef V<\/td>\nThi\u1ebfu Ma-gi\u00ea (Mg)<\/td>\n<\/tr>\n
5<\/td>\n\u00e0ng nh\u1ea1t l\u00e1 g\u00e2n xanh<\/td>\nThi\u1ebfu M\u0103ng-gan (Mn)<\/td>\n<\/tr>\n
6<\/td>\nV\u00e0ng l\u00e1 g\u00e2n xanh<\/td>\nThi\u1ebfu k\u1ebdm (Zn), Ca.Las<\/td>\n<\/tr>\n
7<\/td>\nPh\u1ed3ng g\u00e2n<\/td>\nThi\u1ebfu Bo, Ca. Las (vi khu\u1ea9n g\u00e2y b\u1ec7nh v\u00e0ng l\u00e1 Greening), CTV (Virus tristeza g\u00e2y h\u1ed9i ch\u1ee9ng suy gi\u1ea3m mi\u1ec5n d\u1ecbch)<\/td>\n<\/tr>\n
8<\/td>\n\u0110\u1ed1m bi\u1ebfn v\u00e0ng kh\u00f4ng \u0111\u1ed1i x\u1ee9ng<\/td>\nCa.Las (vi khu\u1ea9n g\u00e2y b\u1ec7nh v\u00e0ng l\u00e1 Greening)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"\" \"\" \"\" \"\"<\/p>\n

C\u00e1c tri\u1ec7u ch\u1ee9ng gi\u1ed1ng thi\u1ebfu dinh d\u01b0\u1ee1ng v\u00e0\/ho\u1eb7c gi\u1ed1ng nhi\u1ec5m Ca.Las v\u00e0 CTV quan s\u00e1t th\u1ea5y tr\u00ean c\u00e2y c\u00f3 m\u00fai t\u1ea1i V\u0103n Ch\u1ea5n-Y\u00ean B\u00e1i n\u0103m 2022.<\/strong><\/p>\n

C\u00e1n b\u1ed9 \u0111\u1ecba ph\u01b0\u01a1ng th\u00f4n N\u00f4ng Tr\u01b0\u1eddng v\u00e0 x\u00e3 Th\u01b0\u1ee3ng B\u1eb1ng La cho bi\u1ebft: hi\u1ec7n t\u1ea1i c\u00e1c v\u01b0\u1eddn cam ch\u1ebft b\u1ecb ch\u1eb7t b\u1ecf sau \u0111\u00f3 tr\u1ed3ng t\u00e1i canh l\u1ea1i nh\u01b0ng v\u1eabn b\u1ecb v\u00e0ng l\u00e1. Do v\u1eady, kh\u1ea3 n\u0103ng ng\u01b0\u1eddi d\u00e2n ti\u1ebfp t\u1ee5c ch\u1eb7t b\u1ecf v\u00e0 chuy\u1ec3n sang tr\u1ed3ng c\u00e1c c\u00e2y tr\u1ed3ng kh\u00e1c l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i cao. Ngo\u00e0i ra, v\u1ea5n \u0111\u1ec1 t\u00e1i canh c\u00e2y cam t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng \u0111ang g\u1eb7p nhi\u1ec1u kh\u00f3 kh\u0103n, bao g\u1ed3m: (i)<\/em><\/strong> tr\u00ean to\u00e0n v\u00f9ng kh\u00f4ng c\u00f3 c\u00e2y gi\u1ed1ng \u0111\u1ea7u d\u00f2ng hay v\u01b0\u1eddn c\u00e2y m\u1eb9; (ii)<\/em><\/strong> gi\u1ed1ng \u0111a ph\u1ea7n \u0111\u1ec1u do n\u00f4ng d\u00e2n t\u1ef1 s\u1ea3n xu\u1ea5t ho\u1eb7c mua tr\u00f4i n\u1ed5i tr\u00ean th\u1ecb tr\u01b0\u1eddng; (iii)<\/em><\/strong> m\u1eaft gh\u00e9p n\u00f4ng d\u00e2n s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu l\u1ef1a ch\u1ecdn \u1edf c\u00e1c v\u01b0\u1eddn s\u1ea3n xu\u1ea5t t\u1ef1 ph\u00e1t do \u0111\u00f3 kh\u00f4ng th\u1ec3 truy nguy\u00ean ngu\u1ed3n g\u1ed1c, ch\u1ea5t l\u01b0\u1ee3ng gi\u1ed1ng.<\/p>\n

Theo nh\u00f3m nghi\u00ean c\u1ee9u, gi\u1ea3i ph\u00e1p ban \u0111\u1ea7u \u0111\u1ec3 h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c b\u1ec7nh v\u00e0ng l\u00e1 tr\u00ean cam \u0111\u00f3 l\u00e0 si\u1ebft ch\u1eb7t c\u00f4ng t\u00e1c qu\u1ea3n l\u00fd gi\u1ed1ng. Ngo\u00e0i ra, c\u1ea7n ph\u1ea3i c\u00f3 khu nh\u00e0 l\u01b0\u1edbi c\u00e1ch ly l\u01b0u gi\u1eef c\u00e2y \u0111\u1ea7u d\u00f2ng, v\u01b0\u1eddn c\u00e2y gi\u1ed1ng \u0111\u1ea7u d\u00f2ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t m\u1eaft gh\u00e9p.<\/p>\n

K\u1ebft qu\u1ea3 s\u01a1 b\u1ed9 t\u1eeb chuy\u1ebfn kh\u1ea3o s\u00e1t, thu th\u1eadp m\u1eabu b\u1ec7nh cam \u0111\u00e3 cung c\u1ea5p nh\u1eefng th\u00f4ng tin quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra b\u1ec7nh v\u00e0ng l\u00e1 cam, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra c\u00e1c bi\u1ec7n ph\u00e1p c\u1ee5 th\u1ec3 \u0111\u1ec3 gi\u1ea3i quy\u1ebft t\u1eebng \u0111\u1ed1i t\u01b0\u1ee3ng g\u00e2y h\u1ea1i.<\/p>\n

 <\/p>\n

Nguy\u1ec5n Tu\u1ea5n C\u01b0\u1eddng – CRAFS<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

T\u1eeb ng\u00e0y 06\/04\/2022 \u0111\u1ebfn ng\u00e0y 09\/04\/2022, nh\u00f3m nghi\u00ean c\u1ee9u H\u1ec7 th\u1ed1ng n\u00f4ng nghi\u1ec7p-th\u1ef1c ph\u1ea9m th\u00edch \u1ee9ng v\u1edbi kh\u00ed h\u1eadu (CRAFS) \u0111\u00e3 \u0111i\u1ec1u tra kh\u1ea3o s\u00e1t v\u00e0 thu th\u1eadp m\u1eabu b\u1ec7nh cam c\u00f3 bi\u1ec3u hi\u1ec7n v\u00e0ng l\u00e1 t\u1ea1i th\u00f4n N\u00f4ng Tr\u01b0\u1eddng, x\u00e3 Th\u01b0\u1ee3ng B\u1eb1ng La, huy\u1ec7n V\u0103n Ch\u1ea5n, t\u1ec9nh Y\u00ean B\u00e1i. M\u1ee5c ti\u00eau c\u1ee7a chuy\u1ebfn \u0111i…<\/p>\n","protected":false},"author":1,"featured_media":2757,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-2749","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/2749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2749"}],"version-history":[{"count":0,"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/2749\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/media\/2757"}],"wp:attachment":[{"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/crafs.vnua.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}