{"id":37,"date":"2025-09-18T15:43:00","date_gmt":"2025-09-18T08:43:00","guid":{"rendered":"http:\/\/phangahuucosk.com\/?p=37"},"modified":"2025-09-18T15:43:00","modified_gmt":"2025-09-18T08:43:00","slug":"phong-tru-sau-benh-bang-phuong-phap-sinh-hoc-khong-dung-thuoc-hoa-hoc","status":"publish","type":"post","link":"https:\/\/phangahuucosk.com\/?p=37","title":{"rendered":"Ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc kh\u00f4ng d\u00f9ng thu\u1ed1c h\u00f3a h\u1ecdc"},"content":{"rendered":"<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/phangahuucosk.com\/wp-content\/uploads\/2026\/06\/bc_5946_1725.jpg\" alt=\"\"\/><\/figure>\n<p>Trong canh t\u00e1c truy\u1ec1n th\u1ed1ng, m\u1ed7i khi c\u00e2y b\u1ecb s\u00e2u b\u1ec7nh ph\u1ea3n \u1ee9ng \u0111\u1ea7u ti\u00ean c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi l\u00e0 t\u00ecm \u0111\u1ebfn thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt. Tuy nhi\u00ean vi\u1ec7c l\u1ea1m d\u1ee5ng thu\u1ed1c h\u00f3a h\u1ecdc \u0111\u1ec3 l\u1ea1i nhi\u1ec1u h\u1ec7 l\u1ee5y nh\u01b0 d\u01b0 l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i tr\u00ean n\u00f4ng s\u1ea3n, \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, ti\u00eau di\u1ec7t c\u1ea3 thi\u00ean \u0111\u1ecbch c\u00f3 l\u1ee3i v\u00e0 khi\u1ebfn s\u00e2u b\u1ec7nh ng\u00e0y c\u00e0ng kh\u00e1ng thu\u1ed1c. Ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc l\u00e0 h\u01b0\u1edbng \u0111i an to\u00e0n v\u00e0 b\u1ec1n v\u1eefng, d\u1ef1a tr\u00ean vi\u1ec7c t\u1eadn d\u1ee5ng c\u00e1c quy lu\u1eadt t\u1ef1 nhi\u00ean \u0111\u1ec3 ki\u1ec3m so\u00e1t d\u1ecbch h\u1ea1i thay v\u00ec ti\u00eau di\u1ec7t b\u1eb1ng h\u00f3a ch\u1ea5t.<\/p>\n<h2>Thay \u0111\u1ed5i t\u01b0 duy t\u1eeb ti\u00eau di\u1ec7t sang c\u00e2n b\u1eb1ng<\/h2>\n<p>N\u1ec1n t\u1ea3ng c\u1ee7a ph\u00f2ng tr\u1eeb sinh h\u1ecdc kh\u00f4ng ph\u1ea3i l\u00e0 ti\u00eau di\u1ec7t s\u1ea1ch m\u1ecdi lo\u00e0i c\u00f4n tr\u00f9ng m\u00e0 l\u00e0 duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng trong h\u1ec7 sinh th\u00e1i v\u01b0\u1eddn. Trong t\u1ef1 nhi\u00ean, s\u00e2u h\u1ea1i lu\u00f4n c\u00f3 thi\u00ean \u0111\u1ecbch kh\u1ed1ng ch\u1ebf. Khi ta phun thu\u1ed1c h\u00f3a h\u1ecdc, ta ti\u00eau di\u1ec7t c\u1ea3 s\u00e2u h\u1ea1i l\u1eabn thi\u00ean \u0111\u1ecbch, nh\u01b0ng s\u00e2u h\u1ea1i th\u01b0\u1eddng ph\u1ee5c h\u1ed3i nhanh h\u01a1n n\u00ean v\u1ec1 l\u00e2u d\u00e0i d\u1ecbch h\u1ea1i c\u00e0ng b\u00f9ng ph\u00e1t m\u1ea1nh v\u00e0 kh\u00f3 ki\u1ec3m so\u00e1t.<\/p>\n<p>Ng\u01b0\u1eddi l\u00e0m n\u00f4ng theo h\u01b0\u1edbng sinh h\u1ecdc ch\u1ea5p nh\u1eadn s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf s\u00e2u h\u1ea1i nh\u01b0 m\u1ed9t ph\u1ea7n t\u1ef1 nhi\u00ean c\u1ee7a v\u01b0\u1eddn, mi\u1ec5n l\u00e0 ch\u00fang kh\u00f4ng g\u00e2y thi\u1ec7t h\u1ea1i \u0111\u00e1ng k\u1ec3. M\u1ee5c ti\u00eau l\u00e0 gi\u1eef cho qu\u1ea7n th\u1ec3 s\u00e2u h\u1ea1i \u1edf m\u1ee9c th\u1ea5p th\u00f4ng qua c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed5ng h\u1ee3p, \u0111\u1ec3 c\u00e2y tr\u1ed3ng v\u1eabn kh\u1ecfe m\u1ea1nh v\u00e0 cho n\u0103ng su\u1ea5t t\u1ed1t m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn h\u00f3a ch\u1ea5t.<\/p>\n<h2>Ph\u00f2ng b\u1ec7nh t\u1eeb g\u1ed1c v\u1edbi c\u00e2y kh\u1ecfe v\u00e0 \u0111\u1ea5t t\u1ed1t<\/h2>\n<p>Nguy\u00ean t\u1eafc quan tr\u1ecdng nh\u1ea5t l\u00e0 ph\u00f2ng h\u01a1n ch\u1ed1ng. M\u1ed9t c\u00e2y tr\u1ed3ng kh\u1ecfe m\u1ea1nh, \u0111\u01b0\u1ee3c nu\u00f4i d\u01b0\u1ee1ng tr\u00ean n\u1ec1n \u0111\u1ea5t gi\u00e0u dinh d\u01b0\u1ee1ng v\u00e0 vi sinh v\u1eadt c\u00f3 l\u1ee3i, s\u1ebd c\u00f3 s\u1ee9c \u0111\u1ec1 kh\u00e1ng t\u1ef1 nhi\u00ean cao, \u00edt b\u1ecb s\u00e2u b\u1ec7nh t\u1ea5n c\u00f4ng h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e2y y\u1ebfu \u1edbt. V\u00ec v\u1eady, n\u1ec1n t\u1ea3ng c\u1ee7a ph\u00f2ng tr\u1eeb sinh h\u1ecdc ch\u00ednh l\u00e0 ch\u0103m s\u00f3c \u0111\u1ea5t v\u00e0 c\u00e2y \u0111\u00fang c\u00e1ch.<\/p>\n<ul>\n<li>B\u00f3n ph\u00e2n h\u1eefu c\u01a1 c\u00e2n \u0111\u1ed1i \u0111\u1ec3 c\u00e2y ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh, tr\u00e1nh b\u00f3n th\u1eeba \u0111\u1ea1m l\u00e0m c\u00e2y non y\u1ebfu h\u1ea5p d\u1eabn s\u00e2u h\u1ea1i.<\/li>\n<li>Ch\u1ecdn gi\u1ed1ng c\u00e2y kh\u1ecfe, ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng b\u1ec7nh t\u1ed1t.<\/li>\n<li>Lu\u00e2n canh v\u00e0 xen canh c\u00e2y tr\u1ed3ng \u0111\u1ec3 c\u1eaft \u0111\u1ee9t v\u00f2ng \u0111\u1eddi c\u1ee7a s\u00e2u b\u1ec7nh chuy\u00ean bi\u1ec7t.<\/li>\n<li>Gi\u1eef v\u01b0\u1eddn th\u00f4ng tho\u00e1ng, v\u1ec7 sinh s\u1ea1ch s\u1ebd, thu d\u1ecdn t\u00e0n d\u01b0 c\u00e2y b\u1ec7nh \u0111\u1ec3 h\u1ea1n ch\u1ebf ngu\u1ed3n l\u00e2y.<\/li>\n<\/ul>\n<h2>S\u1eed d\u1ee5ng thi\u00ean \u0111\u1ecbch v\u00e0 c\u00f4n tr\u00f9ng c\u00f3 \u00edch<\/h2>\n<p>M\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd nh\u1ea5t c\u1ee7a ph\u00f2ng tr\u1eeb sinh h\u1ecdc l\u00e0 t\u1eadn d\u1ee5ng thi\u00ean \u0111\u1ecbch t\u1ef1 nhi\u00ean. Trong v\u01b0\u1eddn c\u00f3 r\u1ea5t nhi\u1ec1u lo\u00e0i c\u00f4n tr\u00f9ng c\u00f3 \u00edch chuy\u00ean \u0103n th\u1ecbt ho\u1eb7c k\u00fd sinh tr\u00ean s\u00e2u h\u1ea1i. B\u1ecd r\u00f9a \u0103n r\u1ec7p, ong k\u00fd sinh \u0111\u1ebb tr\u1ee9ng v\u00e0o s\u00e2u, b\u1ecd ng\u1ef1a v\u00e0 nh\u1ec7n s\u0103n m\u1ed3i \u0111\u1ec1u l\u00e0 nh\u1eefng tr\u1ee3 th\u1ee7 \u0111\u1eafc l\u1ef1c gi\u00fap ki\u1ec3m so\u00e1t d\u1ecbch h\u1ea1i.<\/p>\n<p>\u0110\u1ec3 thu h\u00fat v\u00e0 duy tr\u00ec thi\u00ean \u0111\u1ecbch, ng\u01b0\u1eddi l\u00e0m n\u00f4ng n\u00ean tr\u1ed3ng c\u00e1c lo\u1ea1i c\u00e2y c\u00f3 hoa quanh v\u01b0\u1eddn \u0111\u1ec3 cung c\u1ea5p m\u1eadt v\u00e0 ph\u1ea5n cho c\u00f4n tr\u00f9ng c\u00f3 \u00edch, h\u1ea1n ch\u1ebf phun thu\u1ed1c l\u00e0m ch\u1ebft thi\u00ean \u0111\u1ecbch, v\u00e0 t\u1ea1o n\u01a1i tr\u00fa \u1ea9n t\u1ef1 nhi\u00ean cho ch\u00fang. Khi qu\u1ea7n th\u1ec3 thi\u00ean \u0111\u1ecbch \u0111\u1ee7 l\u1edbn, ch\u00fang s\u1ebd t\u1ef1 \u0111\u1ed9ng ki\u1ec3m so\u00e1t s\u00e2u h\u1ea1i m\u00e0 kh\u00f4ng c\u1ea7n con ng\u01b0\u1eddi can thi\u1ec7p nhi\u1ec1u.<\/p>\n<h2>Ch\u1ebf ph\u1ea9m sinh h\u1ecdc v\u00e0 thu\u1ed1c th\u1ea3o m\u1ed9c t\u1ef1 l\u00e0m<\/h2>\n<p>Khi s\u00e2u b\u1ec7nh ph\u00e1t sinh \u0111\u1ebfn m\u1ee9c c\u1ea7n can thi\u1ec7p, ng\u01b0\u1eddi l\u00e0m n\u00f4ng h\u1eefu c\u01a1 c\u00f3 nhi\u1ec1u l\u1ef1a ch\u1ecdn an to\u00e0n thay cho thu\u1ed1c h\u00f3a h\u1ecdc. C\u00e1c ch\u1ebf ph\u1ea9m sinh h\u1ecdc ch\u1ee9a n\u1ea5m v\u00e0 vi khu\u1ea9n c\u00f3 l\u1ee3i c\u00f3 kh\u1ea3 n\u0103ng ti\u00eau di\u1ec7t s\u00e2u h\u1ea1i m\u1ed9t c\u00e1ch ch\u1ecdn l\u1ecdc m\u00e0 kh\u00f4ng g\u00e2y h\u1ea1i cho thi\u00ean \u0111\u1ecbch, con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, nhi\u1ec1u lo\u1ea1i thu\u1ed1c th\u1ea3o m\u1ed9c t\u1ef1 l\u00e0m t\u1ea1i nh\u00e0 c\u0169ng ph\u00e1t huy t\u00e1c d\u1ee5ng t\u1ed1t. Dung d\u1ecbch t\u1ecfi \u1edbt g\u1eebng ng\u00e2m r\u01b0\u1ee3u c\u00f3 t\u00ednh xua \u0111u\u1ed5i c\u00f4n tr\u00f9ng m\u1ea1nh. N\u01b0\u1edbc ng\u00e2m t\u1eeb m\u1ed9t s\u1ed1 lo\u1ea1i l\u00e1 c\u00e2y c\u00f3 t\u00ednh kh\u00e1ng khu\u1ea9n, xua s\u00e2u t\u1ef1 nhi\u00ean. Dung d\u1ecbch x\u00e0 ph\u00f2ng sinh h\u1ecdc lo\u00e3ng c\u00f3 th\u1ec3 di\u1ec7t r\u1ec7p m\u1ec1m. Nh\u1eefng ch\u1ebf ph\u1ea9m n\u00e0y r\u1ebb ti\u1ec1n, d\u1ec5 l\u00e0m v\u00e0 an to\u00e0n, tuy t\u00e1c d\u1ee5ng ch\u1eadm h\u01a1n thu\u1ed1c h\u00f3a h\u1ecdc nh\u01b0ng b\u1ec1n v\u1eefng v\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i d\u01b0 l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i.<\/p>\n<h2>Bi\u1ec7n ph\u00e1p th\u1ee7 c\u00f4ng v\u00e0 b\u1eaby c\u00f4n tr\u00f9ng<\/h2>\n<p>\u0110\u1eebng \u0111\u00e1nh gi\u00e1 th\u1ea5p hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c bi\u1ec7n ph\u00e1p th\u1ee7 c\u00f4ng \u0111\u01a1n gi\u1ea3n. Vi\u1ec7c th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra v\u01b0\u1eddn, b\u1eaft s\u00e2u b\u1eb1ng tay, ng\u1eaft b\u1ecf l\u00e1 v\u00e0 c\u00e0nh b\u1ecb b\u1ec7nh n\u1eb7ng gi\u00fap ng\u0103n d\u1ecbch h\u1ea1i l\u00e2y lan ngay t\u1eeb \u0111\u1ea7u. V\u1edbi v\u01b0\u1eddn quy m\u00f4 nh\u1ecf, \u0111\u00e2y th\u01b0\u1eddng l\u00e0 c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m nh\u1ea5t.<\/p>\n<p>Ngo\u00e0i ra, c\u00e1c lo\u1ea1i b\u1eaby c\u0169ng r\u1ea5t h\u1eefu \u00edch. B\u1eaby d\u00ednh m\u00e0u v\u00e0ng thu h\u00fat v\u00e0 b\u1eaft nhi\u1ec1u lo\u00e0i c\u00f4n tr\u00f9ng bay, b\u1eaby \u0111\u00e8n v\u00e0o ban \u0111\u00eam d\u1eabn d\u1ee5 c\u00e1c lo\u00e0i b\u01b0\u1edbm \u0111\u00eam, b\u1eaby pheromone thu h\u00fat con \u0111\u1ef1c \u0111\u1ec3 gi\u1ea3m kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u1ee7a s\u00e2u h\u1ea1i. K\u1ebft h\u1ee3p linh ho\u1ea1t nhi\u1ec1u bi\u1ec7n ph\u00e1p kh\u00e1c nhau theo nguy\u00ean t\u1eafc qu\u1ea3n l\u00fd d\u1ecbch h\u1ea1i t\u1ed5ng h\u1ee3p ch\u00ednh l\u00e0 ch\u00eca kh\u00f3a th\u00e0nh c\u00f4ng. Khi ki\u00ean tr\u00ec \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc, b\u1ea1n kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c m\u00f9a m\u00e0ng m\u00e0 c\u00f2n x\u00e2y d\u1ef1ng m\u1ed9t khu v\u01b0\u1eddn c\u00e2n b\u1eb1ng, an to\u00e0n v\u00e0 th\u1ef1c s\u1ef1 b\u1ec1n v\u1eefng, n\u01a1i con ng\u01b0\u1eddi v\u00e0 thi\u00ean nhi\u00ean c\u00f9ng chung s\u1ed1ng h\u00e0i h\u00f2a.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong canh t\u00e1c truy\u1ec1n th\u1ed1ng, m\u1ed7i khi c\u00e2y b\u1ecb s\u00e2u b\u1ec7nh ph\u1ea3n \u1ee9ng \u0111\u1ea7u ti\u00ean c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi l\u00e0 t\u00ecm \u0111\u1ebfn thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt. Tuy nhi\u00ean vi\u1ec7c l\u1ea1m d\u1ee5ng thu\u1ed1c h\u00f3a h\u1ecdc \u0111\u1ec3 l\u1ea1i nhi\u1ec1u h\u1ec7 l\u1ee5y nh\u01b0 d\u01b0 l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i tr\u00ean n\u00f4ng s\u1ea3n, \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, ti\u00eau di\u1ec7t c\u1ea3 thi\u00ean [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":36,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-37","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chua-phan-loai"],"_links":{"self":[{"href":"https:\/\/phangahuucosk.com\/index.php?rest_route=\/wp\/v2\/posts\/37","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phangahuucosk.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phangahuucosk.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/phangahuucosk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=37"}],"version-history":[{"count":0,"href":"https:\/\/phangahuucosk.com\/index.php?rest_route=\/wp\/v2\/posts\/37\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phangahuucosk.com\/index.php?rest_route=\/wp\/v2\/media\/36"}],"wp:attachment":[{"href":"https:\/\/phangahuucosk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=37"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phangahuucosk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=37"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phangahuucosk.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=37"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}