{"id":10190,"date":"2020-01-18T02:07:44","date_gmt":"2020-01-18T02:07:44","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=10190"},"modified":"2020-01-18T02:07:44","modified_gmt":"2020-01-18T02:07:44","slug":"broccoli-pest-control-guide","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/agriculture\/broccoli-pest-control-guide\/","title":{"rendered":"Ki\u1ec3m so\u00e1t s\u00e2u b\u1ec7nh to\u00e0n di\u1ec7n cho c\u00e2y s\u00fap l\u01a1: B\u00ed quy\u1ebft b\u1ea3o v\u1ec7 c\u00e2y tr\u1ed3ng hi\u1ec7u qu\u1ea3"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Ki\u1ec3m so\u00e1t s\u00e2u b\u1ec7nh tr\u00ean c\u00e2y s\u00fap l\u01a1: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/h2>\n\n<h2 class=\"wp-block-heading\">Nh\u1eadn d\u1ea1ng v\u00e0 ti\u00eau di\u1ec7t c\u00e1c lo\u1ea1i s\u00e2u b\u1ec7nh th\u00f4ng th\u01b0\u1eddng tr\u00ean c\u00e2y s\u00fap l\u01a1<\/h2>\n\n<p>S\u00fap l\u01a1, m\u1ed9t lo\u1ea1i rau h\u1ecd c\u1ea3i, d\u1ec5 b\u1ecb nhi\u1ec1u lo\u1ea1i s\u00e2u b\u1ec7nh c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 n\u0103ng su\u1ea5t c\u1ee7a c\u00e2y. Hi\u1ec3u r\u00f5 c\u00e1c lo\u00e0i s\u00e2u b\u1ec7nh c\u1ee5 th\u1ec3 g\u00e2y h\u1ea1i cho s\u00fap l\u01a1 v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec s\u1ee9c kh\u1ecfe cho c\u00e2y v\u00e0 mang l\u1ea1i n\u0103ng su\u1ea5t cao.<\/p>\n\n<h2 class=\"wp-block-heading\">R\u1ec7p<\/h2>\n\n<p>Nh\u1eefng lo\u00e0i c\u00f4n tr\u00f9ng nh\u1ecf n\u00e0y th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi ki\u1ebfn, lo\u00e0i \u0103n d\u1ecbch ng\u1ecdt m\u00e0 ch\u00fang ti\u1ebft ra. R\u1ec7p c\u00f3 th\u1ec3 l\u00e0m c\u00e2y y\u1ebfu \u0111i b\u1eb1ng c\u00e1ch h\u00fat h\u1ebft ch\u1ea5t dinh d\u01b0\u1ee1ng. C\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c \u1ed5 nh\u1ecf b\u1eb1ng v\u00f2i phun n\u01b0\u1edbc m\u1ea1nh ho\u1eb7c x\u00e0 ph\u00f2ng di\u1ec7t c\u00f4n tr\u00f9ng.<\/p>\n\n<h2 class=\"wp-block-heading\">S\u00e2u t\u01a1<\/h2>\n\n<p>S\u00e2u t\u01a1 l\u00e0 nh\u1eefng con s\u00e2u b\u01b0\u1edbm di chuy\u1ec3n theo \u0111\u00e0n, \u0103n ph\u1ea7n ng\u1ecdn c\u1ee7a c\u00e2y con v\u00e0 l\u00e0m r\u1ed7ng l\u00e1. C\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft ch\u00fang qua m\u1ed9t s\u1ecdc \u0111\u1eb7c tr\u01b0ng ch\u1ea1y d\u1ecdc theo l\u01b0ng. Nh\u1eb7t b\u1eb1ng tay c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c nh\u1eefng \u1ed5 nh\u1ecf, trong khi nh\u1eefng \u1ed5 l\u1edbn h\u01a1n c\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 ch\u1ee9a Bacillus thuringiensis (Bt).<\/p>\n\n<h2 class=\"wp-block-heading\">S\u00e2u xanh b\u1eafp c\u1ea3i<\/h2>\n\n<p>S\u00e2u xanh b\u1eafp c\u1ea3i l\u00e0 \u1ea5u tr\u00f9ng g\u00e2y h\u1ea1i b\u1eb1ng c\u00e1ch \u0103n nh\u1eefng l\u1ed7 th\u1ee7ng tr\u00ean l\u00e1 v\u00e0 \u0111\u1ee5c l\u1ed7 tr\u00ean b\u1eafp c\u1ea3i. Ch\u00fang di chuy\u1ec3n theo h\u00ecnh v\u00f2ng n\u00ean m\u1edbi c\u00f3 t\u00ean g\u1ecdi nh\u01b0 v\u1eady. Nh\u1eb7t ch\u00fang v\u00e0o x\u00f4 n\u01b0\u1edbc ho\u1eb7c d\u00f9ng d\u1ea7u Neem \u0111\u1ec3 ti\u00eau di\u1ec7t ch\u00fang c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a ch\u00fang.<\/p>\n\n<h2 class=\"wp-block-heading\">S\u00e2u \u0111\u1ee5c r\u1ec5 c\u00e2y c\u1ea3i<\/h2>\n\n<p>S\u00e2u \u0111\u1ee5c r\u1ec5 c\u00e2y c\u1ea3i \u0103n d\u01b0\u1edbi \u0111\u1ea5t, t\u1ea5n c\u00f4ng c\u00e2y con. Kh\u00f4ng th\u1ec3 ti\u00eau di\u1ec7t ch\u00fang b\u1eb1ng thu\u1ed1c tr\u1eeb s\u00e2u, do \u0111\u00f3, ph\u00f2ng ng\u1eeba l\u00e0 ch\u00ednh. Tr\u00e1nh b\u00f3n qu\u00e1 nhi\u1ec1u ph\u00e2n v\u00e0o \u0111\u1ea5t v\u00e0 tr\u1ed3ng c\u00e2y con kh\u1ecfe m\u1ea1nh thay v\u00ec gieo h\u1ea1t tr\u1ef1c ti\u1ebfp.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbm \u0111\u00eam ph\u00e1 ho\u1ea1i b\u1eafp c\u1ea3i<\/h2>\n\n<p>B\u01b0\u1edbm \u0111\u00eam ph\u00e1 ho\u1ea1i b\u1eafp c\u1ea3i c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft qua th\u00e2n m\u00e0u x\u00e1m v\u00e0ng \u0111\u1ebfn m\u00e0u r\u00e1m n\u1eafng v\u00e0 \u0111\u1ea7u m\u00e0u \u0111en. Ch\u00fang t\u1ea1o k\u00e9n v\u00e0 \u0103n ch\u1ed3i, ng\u1ecdn v\u00e0 th\u00e2n c\u00e2y s\u00fap l\u01a1. Bacillus thuringiensis \u0111\u01b0\u1ee3c khuy\u1ebfn c\u00e1o \u0111\u1ec3 s\u1eed d\u1ee5ng s\u1edbm, nh\u01b0ng s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng kh\u00e1ng thu\u1ed1c.<\/p>\n\n<h2 class=\"wp-block-heading\">S\u00e2u c\u1ea3i c\u00f3 s\u1ecdc ngang<\/h2>\n\n<p>Nh\u1eefng con s\u00e2u b\u01b0\u1edbm n\u00e0y t\u1ea1o ra nh\u1eefng l\u1ed7 c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u tr\u00ean l\u00e1, ch\u1ec9 \u0111\u1ec3 l\u1ea1i c\u00e1c g\u00e2n l\u00e1. Ch\u00fang c\u00f3 nh\u1eefng s\u1ecdc \u0111en tr\u1eafng \u0111\u1eb7c bi\u1ec7t tr\u00ean th\u00e2n v\u00e0 nh\u1eefng \u0111\u01b0\u1eddng k\u1ebb m\u00e0u v\u00e0ng d\u1ecdc theo hai b\u00ean. L\u1edbp ph\u1ee7 h\u00e0ng n\u1ed5i c\u00f3 th\u1ec3 ng\u0103n con c\u00e1i \u0111\u1ebb tr\u1ee9ng, trong khi nh\u1eb7t b\u1eb1ng tay c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t s\u1ed1 l\u01b0\u1ee3ng \u00edt.<\/p>\n\n<h2 class=\"wp-block-heading\">S\u00e2u b\u01b0\u1edbm kim c\u01b0\u01a1ng<\/h2>\n\n<p>S\u00e2u b\u01b0\u1edbm kim c\u01b0\u01a1ng c\u00f3 m\u00e0u xanh l\u1ee5c nh\u1ea1t v\u00e0 c\u00f3 h\u00ecnh thon. Ch\u00fang kh\u00e1ng nhi\u1ec1u lo\u1ea1i thu\u1ed1c tr\u1eeb s\u00e2u, k\u1ec3 c\u1ea3 Bt. M\u01b0a ho\u1eb7c t\u01b0\u1edbi n\u01b0\u1edbc phun m\u01b0a c\u00f3 th\u1ec3 ti\u00eau di\u1ec7t nh\u1eefng con s\u00e2u n\u00e0y.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u1ecd nh\u1ea3y r\u1ec7p \u0111\u1ea5t<\/h2>\n\n<p>B\u1ecd nh\u1ea3y r\u1ec7p \u0111\u1ea5t l\u00e0 nh\u1eefng con b\u1ecd \u0111en nh\u1ecf nh\u1ea3y khi b\u1ecb qu\u1ea5y r\u1ea7y. C\u1ea3 \u1ea5u tr\u00f9ng v\u00e0 con tr\u01b0\u1edfng th\u00e0nh \u0111\u1ec1u ph\u00e1 ho\u1ea1i c\u00e2y b\u1eb1ng c\u00e1ch nhai nh\u1eefng l\u1ed7 nh\u1ecf tr\u00ean l\u00e1. L\u1edbp ph\u1ee7 h\u00e0ng c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 c\u00e2y con, trong khi d\u1ea7u Neem c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m b\u1edbt trong th\u1eddi gian ng\u1eafn.<\/p>\n\n<h2 class=\"wp-block-heading\">R\u1ec7p s\u00e1p nhi\u1ec1u m\u00e0u<\/h2>\n\n<p>R\u1ec7p s\u00e1p nhi\u1ec1u m\u00e0u l\u00e0 nh\u1eefng lo\u00e0i c\u00f4n tr\u00f9ng h\u00ecnh khi\u00ean h\u00fat d\u1ecbch t\u1eeb m\u00f4 c\u1ee7a c\u00e2y, g\u00e2y ra nh\u1eefng \u0111\u1ed1m v\u00e0ng ho\u1eb7c tr\u1eafng. Nhi\u1ec5m tr\u00f9ng n\u1eb7ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u00e9o r\u0169 v\u00e0 th\u1eadm ch\u00ed ch\u1ebft c\u00e2y. Nh\u1eb7t b\u1eb1ng tay l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c khuy\u1ebfn c\u00e1o.<\/p>\n\n<h2 class=\"wp-block-heading\">S\u00e2u c\u1ea3i b\u1eafp nh\u1eadp kh\u1ea9u<\/h2>\n\n<p>S\u00e2u c\u1ea3i b\u1eafp nh\u1eadp kh\u1ea9u l\u00e0 nh\u1eefng con s\u00e2u b\u01b0\u1edbm xanh v\u1edbi nh\u1eefng s\u1ecdc m\u00e0u v\u00e0ng. Ch\u00fang c\u00f3 th\u1ec3 \u0103n tr\u1ee5i ho\u00e0n to\u00e0n l\u00e1, ng\u0103n c\u1ea3n s\u1ef1 h\u00ecnh th\u00e0nh b\u1eafp s\u00fap l\u01a1. Bacillus thuringiensis c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 nh\u1eefng lo\u00e0i g\u00e2y h\u1ea1i n\u00e0y v\u00e0 nh\u1eefng lo\u00e0i \u0103n th\u1ecbt t\u1ef1 nhi\u00ean nh\u01b0 b\u1ecd c\u00e1nh c\u1ee9ng v\u00e0 ong b\u1eafp c\u00e0y c\u0169ng gi\u00fap ki\u1ec3m so\u00e1t s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a ch\u00fang.<\/p>\n\n<h2 class=\"wp-block-heading\">Ru\u1ed3i tr\u1eafng<\/h2>\n\n<p>Ru\u1ed3i tr\u1eafng l\u00e0 lo\u00e0i c\u00f4n tr\u00f9ng h\u00fat nh\u1ef1a c\u00e2y l\u00e0m c\u00e2y y\u1ebfu \u0111i b\u1eb1ng c\u00e1ch \u0111\u00e2m th\u1ee7ng l\u00e1 v\u00e0 th\u00e2n. Ch\u00fang c\u00f3 th\u1ec3 khi\u1ebfn l\u00e1 chuy\u1ec3n sang m\u00e0u v\u00e0ng, kh\u00f4 h\u00e9o v\u00e0 r\u1ee5ng s\u1edbm. B\u1eaby d\u00ednh, x\u00e0 ph\u00f2ng di\u1ec7t c\u00f4n tr\u00f9ng v\u00e0 d\u1ea7u Neem l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb hi\u1ec7u qu\u1ea3 \u0111\u1ec3 di\u1ec7t ru\u1ed3i tr\u1eafng.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u1ea3o v\u1ec7 c\u00e2y s\u00fap l\u01a1 c\u1ee7a b\u1ea1n kh\u1ecfi s\u00e2u b\u1ec7nh<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Ki\u1ec3m tra c\u00e2y th\u01b0\u1eddng xuy\u00ean<\/strong> \u0111\u1ec3 xem c\u00f3 d\u1ea5u hi\u1ec7u b\u1ecb s\u00e2u b\u1ec7nh g\u00e2y h\u1ea1i kh\u00f4ng.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh lo\u00e0i s\u00e2u b\u1ec7nh c\u1ee5 th\u1ec3<\/strong> \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t ph\u00f9 h\u1ee3p nh\u1ea5t.<\/li>\n<li><strong>S\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt qu\u1ea3n l\u00fd d\u1ecbch h\u1ea1i t\u1ed5ng h\u1ee3p (MIP)<\/strong> \u0111\u1ec3 gi\u1ea3m thi\u1ec3u vi\u1ec7c s\u1eed d\u1ee5ng thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 th\u00fac \u0111\u1ea9y c\u00f4n tr\u00f9ng c\u00f3 l\u1ee3i.<\/li>\n<li><strong>Th\u1ef1c hi\u1ec7n lu\u00e2n canh c\u00e2y tr\u1ed3ng<\/strong> \u0111\u1ec3 ph\u00e1 v\u1ee1 chu k\u1ef3 s\u00e2u b\u1ec7nh v\u00e0 gi\u1ea3m nguy c\u01a1 nhi\u1ec5m tr\u00f9ng.<\/li>\n<li><strong>Gi\u1eef cho khu v\u01b0\u1eddn c\u1ee7a b\u1ea1n s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4ng c\u00f3 c\u1ecf d\u1ea1i<\/strong> \u0111\u1ec3 lo\u1ea1i b\u1ecf n\u01a1i \u1ea9n n\u00e1u c\u1ee7a s\u00e2u b\u1ec7nh.<\/li>\n<li><strong>C\u00e2n nh\u1eafc s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p tr\u1ed3ng xen<\/strong> \u0111\u1ec3 thu h\u00fat c\u00f4n tr\u00f9ng c\u00f3 l\u1ee3i \u0103n th\u1ecbt s\u00e2u b\u1ec7nh.<\/li>\n<\/ul>\n\n<p>B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3 c\u00e2y s\u00fap l\u01a1 c\u1ee7a m\u00ecnh kh\u1ecfi s\u00e2u b\u1ec7nh v\u00e0 \u0111\u1ea3m b\u1ea3o thu ho\u1ea1ch d\u1ed3i d\u00e0o lo\u1ea1i rau gi\u00e0u dinh d\u01b0\u1ee1ng n\u00e0y.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ki\u1ec3m so\u00e1t s\u00e2u b\u1ec7nh tr\u00ean c\u00e2y s\u00fap l\u01a1: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n Nh\u1eadn d\u1ea1ng v\u00e0 ti\u00eau di\u1ec7t c\u00e1c lo\u1ea1i s\u00e2u b\u1ec7nh th\u00f4ng th\u01b0\u1eddng tr\u00ean c\u00e2y s\u00fap l\u01a1 S\u00fap l\u01a1, m\u1ed9t&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1196],"tags":[2977,1755,8848,9488],"class_list":["post-10190","post","type-post","status-publish","format-standard","hentry","category-agriculture","tag-insects","tag-pest-control","tag-gardening","tag-broccoli"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/10190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=10190"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/10190\/revisions"}],"predecessor-version":[{"id":10191,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/10190\/revisions\/10191"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=10190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=10190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=10190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}