{"id":805,"date":"2024-07-26T15:31:19","date_gmt":"2024-07-26T08:31:19","guid":{"rendered":"https:\/\/bacte.vn\/nguyen-nhan-va-bien-phap-phong-tru-benh-heo-ru-heo-cay-heo-vang-kho-cu\/"},"modified":"2026-07-21T11:45:53","modified_gmt":"2026-07-21T04:45:53","slug":"nguyen-nhan-va-bien-phap-phong-tru-benh-heo-ru-heo-cay-heo-vang-kho-cu","status":"publish","type":"post","link":"https:\/\/bacte.vn\/en\/nguyen-nhan-va-bien-phap-phong-tru-benh-heo-ru-heo-cay-heo-vang-kho-cu\/","title":{"rendered":"Nguy\u00ean nh\u00e2n v\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb b\u1ec7nh h\u00e9o r\u0169, h\u00e9o c\u00e2y, h\u00e9o v\u00e0ng kh\u00f4 c\u1ee7"},"content":{"rendered":"

T\u00ean khoa h\u1ecdc:\u00a0<\/b><\/strong>Fusarium sp.<\/p>\n

T\u00ean ti\u1ebfng Anh:<\/b><\/strong>\u00a0Fusarium wilt<\/p>\n

T\u00e1c nh\u00e2n g\u00e2y h\u1ea1i:<\/b><\/strong>\u00a0do n\u1ea5m\u00a0Fusarium sp., bao g\u1ed3m: Fusarium Oxysporum,\u00a0Fusarium orthoceras Appel…<\/p>\n

Quy lu\u1eadt ph\u00e1t sinh\u00a0g\u00e2y h\u1ea1i c\u1ee7a b\u1ec7nh h\u00e9o r\u0169 ch\u1ebft v\u00e0ng:<\/strong><\/h2>\n

– N\u1ea5m ph\u00e1t tri\u1ec3n nhanh \u1edf th\u1eddi ti\u1ebft n\u00f3ng \u1ea5m (nhi\u1ec7t \u0111\u1ed9 25-30oC). Ru\u1ed9ng \u0111\u1ea5t c\u00e1t, chua (pH 4-5), thi\u1ebfu \u0111\u1ea1m v\u00e0 l\u00e2n th\u01b0\u1eddng b\u1ecb b\u1ec7nh nhi\u1ec1u.<\/p>\n

– \u0110\u1ea5t tr\u1ea7m th\u1ee7y, \u00fang n\u01b0\u1edbc trong m\u00f9a m\u01b0a. \u0110\u1ea5t tr\u1ed3ng \u0111\u1ed9c canh c\u00e2y b\u1ea7u b\u00ed d\u01b0a c\u0169ng l\u00e0 nguy c\u01a1 b\u1ecb nhi\u1ec5m b\u1ec7nh cao. N\u1ea5m b\u1ec7nh c\u0169ng d\u1ec5 d\u00e0ng l\u00e2y lan qua v\u1ebft th\u01b0\u01a1ng c\u01a1 gi\u1edbi hay tuy\u1ebfn tr\u00f9ng, c\u00f4n tr\u00f9ng ch\u00edch h\u00fat r\u1ec5 c\u00e2y.<\/p>\n

– B\u1ec7nh c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o c\u1ee7 th\u00f4ng qua v\u1ebft th\u01b0\u01a1ng x\u00e2y x\u00e1t khi thu ho\u1ea1ch v\u00e0 g\u00e2y th\u1ed1i kh\u00f4 c\u1ee7 trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n<\/p>\n

\"b\u1ec7nh<\/p>\n

Tri\u1ec7u ch\u1ee9ng b\u1ec7nh h\u00e9o r\u0169, ch\u1ebft v\u00e0ng tr\u00ean c\u00e2y tr\u1ed3ng:<\/b><\/strong><\/h2>\n

\u0110\u00ednh b\u00e0o t\u1eed c\u1ee7a n\u1ea5m b\u1ec7nh c\u00f3 hai d\u1ea1ng l\u00e0 ti\u1ec3u \u0111\u00ednh b\u00e0o t\u1eed (micro-conidia) v\u00e0 \u0111\u1ea1i \u0111\u00ednh b\u00e0o t\u1eed (macro-conidia), ch\u00fang \u0111\u01b0\u1ee3c lan truy\u1ec1n nh\u1edd gi\u00f3 v\u00e0 n\u01b0\u1edbc.<\/p>\n

N\u1ea5m b\u1ec7nh l\u01b0u t\u1ed3n trong \u0111\u1ea5t v\u00e0 trong x\u00e1c c\u00e2y b\u1ec7nh. N\u1ea5m x\u00e2m nhi\u1ec5m v\u00e0o r\u1ec5 qua c\u00e1c v\u1ebft th\u01b0\u01a1ng (do c\u01a1 h\u1ecdc ho\u1eb7c do tuy\u1ebfn tr\u00f9ng ch\u00edch h\u00fat r\u1ec5) r\u1ed3i ph\u00e1t tri\u1ec3n l\u00ean th\u00e2n, ch\u1ee7 y\u1ebfu l\u00e0 l\u00e0m ngh\u1ebdn s\u1ef1 v\u1eadn chuy\u1ec3n n\u01b0\u1edbc v\u00e0 ch\u1ea5t dinh d\u01b0\u1ee1ng trong c\u00e2y, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng v\u00e0ng l\u00e1 v\u00e0 h\u00e9o c\u00e2y, ngo\u00e0i ra n\u1ea5m c\u00f2n ti\u1ebft \u0111\u1ed9c ch\u1ea5t h\u1ea1i c\u00e2y.<\/p>\n

B\u1ec7nh xu\u1ea5t hi\u1ec7n \u1edf c\u00e2y con v\u00e0 c\u1ea3 c\u00e2y tr\u01b0\u1edfng th\u00e0nh, c\u00e1c l\u00e1 d\u01b0\u1edbi th\u1ea5p b\u1ecb v\u00e0ng tr\u01b0\u1edbc r\u1ed3i lan d\u1ea7n l\u00ean c\u00e1c l\u00e1 tr\u00ean, sau c\u00f9ng c\u1ea3 c\u00e2y b\u1ecb v\u00e0ng h\u00e9o, l\u00e1 r\u1ee5ng d\u1ea7n.<\/p>\n

R\u1ec5 b\u1ecb th\u1ed1i, ph\u00e1t tri\u1ec3n k\u00e9m. G\u1ed1c th\u00e2n c\u00f3 nhi\u1ec1u s\u1ee3i n\u1ea5m tr\u1eafng bao quanh d\u00e0y \u0111\u1eb7c. Trong th\u00e2n, c\u00e1c m\u00f4 d\u1eabn truy\u1ec1n c\u00f3 m\u00e0u n\u00e2u v\u00e0 c\u00f3 n\u1ea5m ph\u00e1t tri\u1ec3n.<\/p>\n

Tri\u1ec7u ch\u1ee9ng b\u1ec7nh h\u00e9o r\u0169 ch\u1ebft v\u00e0ng tr\u00ean c\u00e2y c\u00e0 chua Fusarium Oxysporum:<\/b><\/strong><\/h3>\n

B\u1ec7nh th\u01b0\u1eddng g\u00e2y h\u1ea1i tr\u00ean c\u00e2y \u0111\u00e3 tr\u01b0\u1edfng th\u00e0nh ho\u1eb7c \u0111ang mang tr\u00e1i.<\/p>\n

\u0110\u1ea7u ti\u00ean l\u00e0 c\u00e1c l\u00e1 ng\u1ecdn b\u1ecb h\u00e9o r\u0169 v\u00e0o bu\u1ed5i tr\u01b0a, v\u00e0 t\u01b0\u01a1i l\u1ea1i v\u00e0o bu\u1ed5i chi\u1ec1u m\u00e1t, sau v\u00e0i ng\u00e0y c\u00e2y b\u1ec7nh ch\u1ebft h\u1eb3n kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng h\u1ed3i ph\u1ee5c.<\/p>\n

N\u1ebfu c\u00e2y ch\u1ebft nhanh v\u00e0 ta quan s\u00e1t \u1edf g\u1ed1c n\u01a1i m\u1eb7t \u0111\u1ea5t th\u1ea5y th\u00e2n c\u00e2y t\u00f3p nh\u1ecf l\u1ea1i v\u00e0 \u0111\u00f4i khi c\u00f3 l\u1edbp t\u01a1 m\u1ecfng m\u00e0u tr\u1eafng bao ph\u1ee7 l\u00e0 do n\u1ea5m\u00a0Fusarium oxysporum. C\u00e1c l\u00e1 gi\u00e0 khi c\u00e2y ch\u1ebft c\u00f3 m\u00e0u v\u00e0ng v\u00e0 kh\u00f4.<\/p>\n

N\u1ebfu c\u00e2y ch\u1ebft ch\u1eadm h\u01a1n, quan s\u00e1t ph\u1ea7n g\u1ed1c c\u00e2y v\u1eabn b\u00ecnh th\u01b0\u1eddng, nh\u1ed5 c\u00e2y l\u00ean t\u00e1ch ph\u1ea7n v\u1ecf ra ta th\u1ea5y c\u00f3 nh\u1eefng s\u1ecdc \u0111en ch\u1ea1y d\u1ecdc theo th\u00e2n l\u00e0 do vi khu\u1ea9n\u00a0Pseudomonas solanacaerum\u2002Smith\u00a0l\u00e0m ngh\u1ebdn m\u1ea1ch nh\u1ef1a.<\/p>\n

\"b\u1ec7nh<\/p>\n

Tri\u1ec7u ch\u1ee9ng b\u1ec7nh h\u00e9o r\u0169, ch\u1ebft v\u00e0ng, th\u1ed1i kh\u00f4 c\u1ee7 tr\u00ean c\u00e2y khoai t\u00e2y\u00a0Fusarium Oxysporum<\/b><\/strong><\/b><\/h3>\n

 <\/p>\n

\"b\u1ec7nh<\/p>\n

– B\u1ec7nh th\u01b0\u1eddng th\u1ec3 hi\u1ec7n tri\u1ec7u ch\u1ee9ng th\u1ed1i g\u1ed1c, l\u00e0m c\u00e2y h\u00e9o r\u0169 ch\u1ebft v\u00e0ng, b\u1ec7nh ph\u00e1 h\u1ea1i c\u00e1c giai \u0111o\u1ea1n sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y nh\u01b0ng n\u1eb7ng nh\u1ea5t l\u00e0 v\u00e0o cu\u1ed1i giai \u0111o\u1ea1n sinh tr\u01b0\u1edfng.<\/p>\n

– Ph\u1ea7n gi\u00e1p v\u1ebft b\u1ec7nh c\u00f3 m\u00e0u n\u00e2u hay m\u00e0u x\u00e1m nham nh\u1edf. Th\u00e2n gi\u00e1p m\u1eb7t \u0111\u1ea5t th\u01b0\u1eddng kh\u00f4 t\u00f3p v\u00e0 c\u00f3 m\u00e0u v\u00e0ng nh\u1ea1t, ranh gi\u1edbi kh\u00f4ng r\u00f5 r\u00e0ng. Tr\u00ean v\u1ebft b\u1ec7nh c\u00f3 l\u1edbp n\u1ea5m tr\u1eafng m\u1ecbn, ph\u1edbt h\u1ed3ng.<\/p>\n

– B\u1ec7nh h\u1ea1i \u1edf c\u1ee7 l\u00e0m cho c\u1ee7 b\u1ecb th\u1ed1i, m\u1ea7m b\u1ecb thui ch\u1ebft, c\u00e2y con b\u1ecb b\u1ec7nh kh\u00f4ng l\u1edbn \u0111\u01b0\u1ee3c, d\u1ecb h\u00ecnh v\u00e0 kh\u00f4 h\u00e9o.<\/p>\n

– B\u1ec7nh xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7, l\u00fac \u0111\u1ea7u c\u00f3 m\u1ea7u n\u00e2u ho\u1eb7c x\u00e1m, h\u01a1i l\u00f5m xu\u1ed1ng, sau lan d\u1ea7n ra th\u00e0nh c\u00e1c v\u00f2ng \u0111\u1ed3ng t\u00e2m. Th\u1ecbt c\u1ee7 b\u1ecb th\u1ed1i \u1edf b\u00ean trong tr\u1edf n\u00ean x\u1ed1p v\u00e0 c\u00f3 m\u00e0u x\u00e1m tro hay ph\u1edbt h\u1ed3ng. C\u1ee7 gi\u1ed1ng khoai t\u00e2y d\u1ea7n d\u1ea7n tr\u1edf n\u00ean kh\u00f4 v\u00e0 c\u1ee9ng kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng m\u1ecdc th\u00e0nh c\u00e2y.<\/p>\n

\"H\u00ecnh<\/p>\n

Tri\u1ec7u ch\u1ee9ng\u00a0b\u1ec7nh h\u00e9o r\u0169 tr\u00ean c\u00e2y \u0111\u1eadu t\u01b0\u01a1ng (Fusarium orthoceras Appel v\u00e0 Wr., F. oxysporum f. sp. glycines)<\/b><\/strong><\/h3>\n

\u0110\u00ednh b\u00e0o t\u1eed c\u1ee7a n\u1ea5m b\u1ec7nh c\u00f3 hai d\u1ea1ng l\u00e0 ti\u1ec3u \u0111\u00ednh b\u00e0o t\u1eed (micro-conidia) v\u00e0 \u0111\u1ea1i \u0111\u00ednh b\u00e0o t\u1eed (macro-conidia), ch\u00fang \u0111\u01b0\u1ee3c lan truy\u1ec1n nh\u1edd gi\u00f3 v\u00e0 n\u01b0\u1edbc.<\/p>\n

N\u1ea5m b\u1ec7nh l\u01b0u t\u1ed3n trong \u0111\u1ea5t v\u00e0 trong x\u00e1c c\u00e2y b\u1ec7nh. N\u1ea5m x\u00e2m nhi\u1ec5m v\u00e0o r\u1ec5 qua c\u00e1c v\u1ebft th\u01b0\u01a1ng (do c\u01a1 h\u1ecdc ho\u1eb7c do tuy\u1ebfn tr\u00f9ng ch\u00edch h\u00fat r\u1ec5) r\u1ed3i ph\u00e1t tri\u1ec3n l\u00ean th\u00e2n, ch\u1ee7 y\u1ebfu l\u00e0 l\u00e0m ngh\u1ebdn s\u1ef1 v\u1eadn chuy\u1ec3n n\u01b0\u1edbc v\u00e0 ch\u1ea5t dinh d\u01b0\u1ee1ng trong c\u00e2y, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng v\u00e0ng l\u00e1 v\u00e0 h\u00e9o c\u00e2y, ng\u00f2ai ra n\u1ea5m c\u00f2n ti\u1ebft \u0111\u1ed9c ch\u1ea5t h\u1ea1i c\u00e2y.<\/p>\n

B\u1ec7nh xu\u1ea5t hi\u1ec7n \u1edf c\u00e2y con \u0111\u1eadu t\u01b0\u01a1ng (\u0111\u1eadu n\u00e0nh) v\u00e0 c\u1ea3 c\u00e2y tr\u01b0\u1edfng th\u00e0nh, c\u00e1c l\u00e1 d\u01b0\u1edbi th\u1ea5p b\u1ecb v\u00e0ng tr\u01b0\u1edbc r\u1ed3i lan d\u1ea7n l\u00ean c\u00e1c l\u00e1 tr\u00ean, sau c\u00f9ng c\u1ea3 c\u00e2y b\u1ecb v\u00e0ng h\u00e9o, l\u00e1 r\u1ee5ng d\u1ea7n.<\/p>\n

R\u1ec5 b\u1ecb th\u1ed1i, ph\u00e1t tri\u1ec3n k\u00e9m. G\u1ed1c th\u00e2n c\u00f3 nhi\u1ec1u s\u1ee3i n\u1ea5m tr\u1eafng bao quanh d\u00e0y \u0111\u1eb7c. Trong th\u00e2n, c\u00e1c m\u00f4 d\u1eabn truy\u1ec1n c\u00f3 m\u00e0u n\u00e2u v\u00e0 c\u00f3 n\u1ea5m ph\u00e1t tri\u1ec3n.<\/p>\n

\"c\u00e1c<\/p>\n

Tri\u1ec7u ch\u1ee9ng\u00a0b\u1ec7nh h\u00e9o r\u0169 ch\u1ebft v\u00e0ng tr\u00ean c\u00e2y \u1edbt<\/strong><\/h3>\n

\u0110\u1eb7c tr\u01b0ng c\u1ee7a b\u1ec7nh n\u00e0y l\u00e0 c\u00e1c l\u00e1 d\u01b0\u1edbi b\u1ecb v\u00e0ng tr\u01b0\u1edbc sau \u0111\u00f3 v\u00e0ng lan l\u00ean c\u00e1c l\u00e1 tr\u00ean. Tri\u1ec7u ch\u1ee9ng h\u00e9o r\u0169 ho\u1eb7c bi\u1ebfn v\u00e0ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n m\u1ed9t v\u00e0i c\u00e0nh tr\u00ean c\u00e2y hay c\u1ea3 c\u00e2y, c\u00e2y b\u1ecb nhi\u1ec5m b\u1ec7nh c\u00e1c l\u00e1 b\u1ecb v\u00e0ng, h\u00e9o sau \u0111\u00f3 c\u00e2y ch\u1ebft, c\u1eaft ngang th\u00e2n c\u00e2y b\u1ecb b\u1ec7nh c\u00e1c t\u1ebf b\u00e0o th\u01b0\u1eddng h\u00f3a n\u00e2u.<\/p>\n

Th\u1eddi gian ph\u00e1t b\u1ec7nh:\u00a0B\u1ec7nh th\u01b0\u1eddng g\u00e2y h\u1ea1i n\u1eb7ng \u1edf nh\u1eefng ru\u1ed9ng nhi\u1ec5m b\u1ec7nh v\u1ee5 tr\u01b0\u1edbc. \u0110i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 t\u1eeb 18 \u2013 34oC, \u1ea9m \u0111\u1ed9 cao th\u00edch h\u1ee3p cho n\u1ea5m ph\u00e1t tri\u1ec3n.<\/p>\n

\"b\u1ec7nh<\/p>\n

Tri\u1ec7u ch\u1ee9ng b\u1ec7nh h\u00e9o c\u00e2y, h\u00e9o r\u0169, ch\u1ebft v\u00e0ng tr\u00ean c\u00e2y h\u1ecd b\u1ea7u, b\u00ed, d\u01b0a<\/b><\/strong><\/h3>\n

C\u00e2y b\u1ecb m\u1ea5t n\u01b0\u1edbc, ch\u1ebft kh\u00f4 t\u1eeb \u0111\u1ecdt, th\u00e2n \u0111\u00f4i khi b\u1ecb n\u1ee9t, tr\u00ean c\u00e2y con b\u1ec7nh l\u00e0m ch\u1ebft r\u1ea1p t\u1eebng \u0111\u00e1m. Tr\u00ean c\u00e2y tr\u01b0\u1edfng th\u00e0nh, n\u1ea5m g\u00e2y h\u1ea1i t\u1eeb th\u1eddi k\u1ef3 ra hoa \u0111\u1ebfn t\u01b0\u1ee3ng tr\u00e1i, c\u00e2y d\u01b0a b\u1ecb h\u00e9o t\u1eebng nh\u00e1nh, sau \u0111\u00f3 h\u00e9o \u0111\u1ed9t ng\u1ed9t nh\u01b0 b\u1ecb thi\u1ebfu n\u01b0\u1edbc r\u1ed3i ch\u1ebft c\u1ea3 c\u00e2y. Vi sinh v\u1eadt l\u01b0u t\u1ed3n trong \u0111\u1ea5t nhi\u1ec1u n\u0103m, b\u1ec7nh n\u00e0y c\u00f3 li\u00ean quan \u00edt nhi\u1ec1u \u0111\u1ebfn tuy\u1ebfn tr\u00f9ng v\u00e0 \u1ea9m \u0111\u1ed9 \u0111\u1ea5t. N\u1ea5m\u00a0Phytophthora\u00a0sp. c\u0169ng \u0111\u01b0\u1ee3c ghi nh\u1eadn g\u00e2y n\u00ean b\u1ec7nh n\u00e0y.<\/p>\n

Tri\u1ec7u ch\u1ee9ng b\u1ec7nh h\u00e9o r\u0169, ch\u1ebft v\u00e0ng tr\u00ean c\u00e2y v\u1eebng (m\u00e8)<\/b><\/strong><\/h3>\n

Bi\u1ec3u hi\u1ec7n \u0111\u1ea7u ti\u00ean d\u1ec5 nh\u1eadn th\u1ea5y l\u00e0 c\u00e2y sinh tr\u01b0\u1edfng k\u00e9m, c\u00e1c l\u00e1 gi\u00e0 ph\u00eda d\u01b0\u1edbi bi\u1ebfn v\u00e0ng, sau \u0111\u00f3 l\u1ea7n l\u01b0\u1ee3t \u0111\u1ebfn c\u00e1c l\u00e1 ph\u00eda tr\u00ean, g\u1ed1c c\u00e2y c\u00f3 v\u1ebft n\u00e2u \u0111en, b\u1ed5 d\u1ecdc th\u00e2n c\u00e2y th\u1ea5y m\u1ea1ch d\u1eabn g\u1ea7n g\u1ed1c b\u1ecb ho\u00e1 n\u00e2u. Khi c\u00e2y b\u1ecb b\u1ec7nh n\u1eb7ng, to\u00e0n c\u00e2y h\u00e9o v\u00e0ng v\u00e0 kh\u00f4 ch\u1ebft. N\u1ea5m b\u1ec7nh ph\u00e1t tri\u1ec3n th\u00edch h\u1ee3p \u1edf nhi\u1ec7t \u0111\u1ed9 30 \u2013 35oC. S\u1ee3i n\u1ea5m v\u00e0 b\u00e0o t\u1eed t\u1ed3n t\u1ea1i tr\u00ean t\u00e0n d\u01b0 c\u00e2y b\u1ec7nh v\u00e0 h\u1ea1t gi\u1ed1ng lan truy\u1ec1n sang v\u1ee5 sau.<\/p>\n

Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1ecb b\u1ec7nh h\u00e9o r\u0169, ch\u1ebft v\u00e0ng, th\u1ed1i c\u1ee7 tr\u00ean c\u00e2y tr\u1ed3ng:<\/b><\/strong><\/h2>\n

Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1ecb\u00a0b\u1ec7nh\u00a0h\u00e9o r\u0169 ch\u1ebft v\u00e0ng tr\u00ean c\u00e2y c\u00e0 chua<\/b><\/strong><\/h3>\n

– \u0110\u1ed1i v\u1edbi vi khu\u1ea9n, nh\u1ed5 v\u00e0 ti\u00eau h\u1ee7y c\u00e2y b\u1ecb b\u1ec7nh, d\u00f9ng v\u00f4i b\u1ed9t ho\u1eb7c Copper zinc 85 WP r\u00e3i v\u00e0o \u0111\u1ea5t n\u01a1i c\u00e2y \u0111\u00e3 nh\u1ed5 v\u00e0 tr\u1ed9n \u0111\u1ec1u. Khi c\u00e2y m\u1edbi ch\u1edbm b\u1ec7nh c\u00f3 th\u1ec3 phun thu\u1ed1c c\u00f3 g\u1ed1c metalaxyl, macozeb, fosetyl – aluminium.<\/p>\n

D\u00f9ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc BACTE CISA<\/a> phun ph\u00f2ng b\u1ec7nh \u0111\u1ea7u m\u00f9a m\u01b0a, di\u1ec7t c\u00e1c t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh ho\u1eb7c phun \u0111i\u1ec1u \u00a0tr\u1ecb khi c\u00e2y \u0111ang b\u1ecb b\u1ec7nh. Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb\u00a0b\u1ec7nh h\u00e9o r\u0169, ch\u1ebft v\u00e0ng, th\u1ed1i c\u1ee7 tr\u00ean c\u00e2y c\u00e0 chua.<\/span><\/h3>\n

 <\/p>\n

\"\"<\/p>\n

Ch\u1ebf ph\u1ea9m sinh h\u1ecdc BACTE CISA<\/em><\/p>\n

– Bi\u1ec7n ph\u00e1p canh t\u00e1c, k\u1ef9 thu\u1eadt:<\/b><\/strong><\/h4>\n

+ Ch\u1ecdn c\u1ee7 gi\u1ed1ng s\u1ea1ch b\u1ec7nh. C\u1ee7 gi\u1ed1ng c\u1ea7n ph\u1ea3i l\u1ef1a ch\u1ecdn \u1edf ngo\u00e0i ru\u1ed9ng v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n ri\u00eang.<\/p>\n

+ Thu ho\u1ea1ch \u0111\u00fang l\u00fac. Khi thu ho\u1ea1ch c\u1ea7n thu v\u00e0 \u0111\u1ec3 ri\u00eang nh\u1eefng c\u00e2y b\u1ecb h\u00e9o r\u0169 \u0111\u1ec3 s\u1eed d\u1ee5ng tr\u01b0\u1edbc.<\/p>\n

+ Lu\u00e2n canh tri\u1ec7t \u0111\u1ec3 t\u1eeb 3-4 n\u0103m tr\u00ean c\u00e1c ru\u1ed9ng b\u1ecb b\u1ec7nh n\u1eb7ng v\u1edbi c\u00e1c c\u00e2y tr\u1ed3ng kh\u00e1c h\u1ecd.<\/p>\n

+ Kh\u00f4ng t\u01b0\u1edbi n\u01b0\u1edbc qu\u00e1 \u1ea9m.<\/p>\n

+ Tr\u1ed3ng c\u00e2y tr\u00ean nh\u1eefng ch\u00e2n \u0111\u1ea5t cao r\u00e1o, d\u1ec5 tho\u00e1t n\u01b0\u1edbc, \u0111\u00e1nh r\u1ea3nh tho\u00e1t n\u01b0\u1edbc.<\/p>\n

+ B\u00f3n v\u00f4i b\u1ed9t \u0111\u1ec3 n\u00e2ng pH \u0111\u1ea5t tr\u00ean \u0111\u1ea5t chua.<\/p>\n

+ B\u00f3n ph\u00e2n h\u1eefu c\u01a1 hoai m\u1ee5c<\/p>\n

+\u00a0D\u00f9ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc Bacte Cinsan phun ph\u00f2ng b\u1ec7nh \u00a0\u0111\u1ea7u m\u00f9a m\u01b0a, di\u1ec7t c\u00e1c t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh ho\u1eb7c phun \u00a0\u0111i\u1ec1u \u00a0tr\u1ecb khi c\u00e2y \u0111ang b\u1ecb b\u00eanh.<\/p>\n

– Bi\u1ec7n ph\u00e1p h\u00f3a h\u1ecdc:<\/b><\/strong><\/h4>\n

S\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 lo\u1ea1i thu\u1ed1c sau \u0111\u1ec3 ph\u00f2ng tr\u1eeb:\u00a0Ningnanmycin (Niclosat 2SL);\u00a0Trichoderma\u00a0viride(Biobus 1.00 WP); Ph\u00f2ng ng\u1eeba tuy\u1ebfn tr\u00f9ng h\u1ea1i r\u1ec5 (t\u1ea1o \u201cc\u1eeda ng\u00f5\u201d cho n\u1ea5m t\u1ea5n c\u00f4ng) b\u1eb1ng c\u00e1ch t\u01b0\u1edbi\u00a0\u0111\u1ecbnh k\u1ef3 ch\u1ebf ph\u1ea9m sinh h\u1ecdc Trichoderma Bacillus & EM HLC \u0111\u1eb7c tr\u1ecb tuy\u1ebfn tr\u00f9ng t\u1eeb giai \u0111o\u1ea1n c\u00e2y con \u0111\u1ebfn giai \u0111o\u1ea1n thu ho\u1ea1ch \u0111\u1ec3 gi\u00fap ph\u00f2ng tr\u1eeb c\u00e1c b\u1ec7nh th\u1ed1i r\u1ec5, th\u1ed1i g\u1ed1c, h\u00e9o xanh, h\u00e9o v\u00e0ng,….<\/p>\n

Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1ecb b\u1ec7nh h\u00e9o r\u0169 tr\u00ean c\u00e2y \u0111\u1eadu t\u01b0\u01a1ng<\/b><\/strong><\/h3>\n

– Vun g\u1ed1c c\u00e2y con \u0111\u01b0\u1ee3c v\u1eefng ch\u1eafc, tr\u00e1nh g\u00e2y th\u01b0\u01a1ng t\u00edch cho g\u1ed1c th\u00e2n v\u00e0 r\u1ec5 trong l\u00fac ch\u0103m s\u00f3c. Tr\u00e1nh tr\u1ed3ng \u0111\u1eadu t\u01b0\u01a1ng (\u0111\u1eadu n\u00e0nh) n\u01a1i \u0111\u1ea5t b\u1ecb \u00fang n\u01b0\u1edbc.<\/p>\n

– Ng\u0103n ng\u1eeba tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t.<\/p>\n

– Phun thu\u1ed1c Ph\u00f2ng tr\u1ecb b\u1ec7nh b\u1ec7nh nh\u01b0 Copper B, TOPAN 70WP.<\/p>\n

Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1ecb\u00a0b\u1ec7nh h\u00e9o r\u0169 ch\u1ebft v\u00e0ng tr\u00ean c\u00e2y \u1edbt:<\/b><\/strong><\/h3>\n

– Bi\u1ec7n ph\u00e1p canh t\u00e1c, k\u1ef9 thu\u1eadt:<\/b><\/strong><\/h4>\n

+ Lu\u00e2n canh c\u00e2y tr\u1ed3ng kh\u00e1c h\u1ecd. N\u00ean ch\u1ecdn \u0111\u1ea5t c\u00f3 \u0111i\u1ec1u ki\u1ec7n tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<\/p>\n

+ S\u1eed d\u1ee5ng gi\u1ed1ng kh\u00e1ng. X\u1eed l\u00fd h\u1ea1t gi\u1ed1ng b\u1eb1ng n\u01b0\u1edbc n\u00f3ng 500C trong 25 ph\u00fat<\/p>\n

+ B\u00f3n v\u00f4i tr\u01b0\u1edbc khi tr\u1ed3ng. D\u00f9ng ph\u00e2n h\u1eefu c\u01a1 hoai m\u1ee5c, c\u00f3 nhi\u1ec1u vi sinh v\u1eadt \u0111\u1ed1i kh\u00e1ng l\u00e0m h\u1ea1n ch\u1ebf ngu\u1ed3n b\u1ec7nh, b\u00f3n ph\u00e2n c\u00e2n \u0111\u1ed1i \u0111\u1ec3 c\u00e2y kh\u1ecfe.<\/p>\n

+ Tr\u00e1nh t\u1ea1o v\u1ebft th\u01b0\u01a1ng cho c\u00e2y.<\/p>\n

+ Nh\u1ed5 b\u1ecf c\u00e2y b\u1ecb b\u1ec7nh.<\/p>\n

– Bi\u1ec7n ph\u00e1p sinh h\u1ecdc cho b\u1ec7nh h\u00e9o r\u0169:<\/b><\/strong><\/h4>\n

– D\u00f9ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc BACTE CISA<\/strong> phun ph\u00f2ng b\u1ec7nh \u00a0\u0111\u1ea7u m\u00f9a m\u01b0a, di\u1ec7t c\u00e1c t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh ho\u1eb7c phun \u00a0\u0111i\u1ec1u tr\u1ecb khi c\u00e2y \u0111ang b\u1ecb b\u1ec7nh.<\/p>\n

– Bi\u1ec7n ph\u00e1p h\u00f3a h\u1ecdc:<\/b><\/strong><\/h4>\n

Khi b\u1ec7nh xu\u1ea5t hi\u1ec7n v\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i thu\u1ed1c BVTV \u0111\u1ec3 ph\u00f2ng tr\u1ecb.<\/p>\n

Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb\u00a0b\u1ec7nh h\u00e9o r\u0169, ch\u1ebft\u00a0v\u00e0ng, th\u1ed1i c\u1ee7 tr\u00ean c\u00e2y h\u1ecd d\u01b0a, b\u1ea7u, b\u00ed<\/b><\/strong><\/h3>\n

– L\u00ean l\u00edp cao, l\u00e0m \u0111\u1ea5t th\u00f4ng tho\u00e1ng.<\/p>\n

– B\u00f3n th\u00eam ph\u00e2n chu\u1ed3ng, tro tr\u1ea5u \u0111\u00e3 \u1ee7 hoai m\u1ee5c- Nh\u1ed5 c\u00e2y b\u1ec7nh ti\u00eau h\u1ee7y.<\/p>\n

– Tr\u00e1nh tr\u1ed3ng d\u01b0a leo v\u00e0 c\u00e1c c\u00e2y c\u00f9ng nh\u00f3m nh\u01b0 b\u00ed \u0111\u1ecf, b\u00ed \u0111ao, d\u01b0a h\u1ea5u li\u00ean t\u1ee5c nhi\u1ec1u n\u0103m tr\u00ean c\u00f9ng m\u1ed9t th\u1eeda ru\u1ed9ng.<\/p>\n

– D\u00f9ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc BACTE CISA<\/strong> phun ph\u00f2ng b\u1ec7nh \u00a0\u0111\u1ea7u m\u00f9a m\u01b0a, di\u1ec7t c\u00e1c t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh ho\u1eb7c phun \u00a0\u0111i\u1ec1u tr\u1ecb khi c\u00e2y \u0111ang b\u1ecb b\u1ec7nh.<\/p>\n

Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb\u00a0b\u1ec7nh h\u00e9o r\u0169, ch\u1ebft\u00a0v\u00e0ng, th\u1ed1i c\u1ee7 tr\u00ean c\u00e2y v\u1eebng (m\u00e8)<\/b><\/strong><\/h3>\n

+ V\u1ec7 sinh \u0111\u1ed3ng ru\u1ed9ng, nh\u1ed5 b\u1ecf c\u00e1c c\u00e2y b\u1ecb b\u1ec7nh.<\/p>\n

+ \u0110\u1ec3 h\u1ea1n ch\u1ebf b\u1ec7nh, c\u00f3 th\u1ec3 x\u1eed l\u00fd h\u1ea1t gi\u1ed1ng b\u1eb1ng CuSO4\u00a0ho\u1eb7c Copper \u2013Zinc n\u1ed3ng \u0111\u1ed9 2\u2030.<\/p>\n

+ Khi b\u1ec7nh ch\u1edbm ph\u00e1t c\u00f3 th\u1ec3 phun Copper-B, Kocide, COC 85, tuy nhi\u00ean hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c phun thu\u1ed1c tr\u1eeb b\u1ec7nh kh\u00f4ng cao.<\/p>\n

– D\u00f9ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc BACTE CISA<\/strong> phun ph\u00f2ng b\u1ec7nh h\u00e9o r\u0169 \u0111\u1ea7u m\u00f9a m\u01b0a, di\u1ec7t c\u00e1c t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh ho\u1eb7c phun \u00a0\u0111i\u1ec1u \u00a0tr\u1ecb khi c\u00e2y \u0111ang b\u1ecb b\u00eanh.<\/p>\n

LI\u00caN H\u1ec6:<\/strong><\/p>\n

BACTE \u2013\u00a0KH\u00d4NG \u0110\u1ed8C H\u1ea0I, HI\u1ec6U QU\u1ea2 CAO<\/em><\/strong><\/p>\n

C\u00f4ng Ty TNHH Th\u01b0\u01a1ng M\u1ea1i & D\u1ecbch V\u1ee5 Qu\u1ed1c T\u1ebf Tip To M\u00e3 Lai<\/strong><\/p>\n

\ud83d\udcde Hotline: 094 240 67 68<\/p>\n

\ud83c\udf10Website: https:\/\/bacte.vn\/<\/p>\n

\ud83d\udcbbYoutube:\u00a0https:\/\/www.youtube.com\/@bactevietnam<\/a><\/p>\n

Ngu\u1ed3n tham kh\u1ea3o: camnangcaytrong.com.<\/em><\/p>\n

 <\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

T\u00ean khoa h\u1ecdc:\u00a0Fusarium sp. T\u00ean ti\u1ebfng Anh:\u00a0Fusarium wilt T\u00e1c nh\u00e2n g\u00e2y h\u1ea1i:\u00a0do n\u1ea5m\u00a0Fusarium sp., bao g\u1ed3m: Fusarium Oxysporum,\u00a0Fusarium orthoceras Appel… Quy lu\u1eadt ph\u00e1t sinh\u00a0g\u00e2y h\u1ea1i c\u1ee7a b\u1ec7nh h\u00e9o r\u0169 ch\u1ebft v\u00e0ng: – N\u1ea5m ph\u00e1t tri\u1ec3n nhanh \u1edf th\u1eddi ti\u1ebft n\u00f3ng \u1ea5m (nhi\u1ec7t \u0111\u1ed9 25-30oC). Ru\u1ed9ng \u0111\u1ea5t c\u00e1t, chua (pH 4-5), thi\u1ebfu \u0111\u1ea1m v\u00e0 l\u00e2n th\u01b0\u1eddng…<\/p>","protected":false},"author":1,"featured_media":814,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[32],"tags":[],"class_list":["post-805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tai-lieu-ky-thuat"],"acf":[],"yoast_head":"\nNguy\u00ean nh\u00e2n v\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb b\u1ec7nh h\u00e9o r\u0169, h\u00e9o c\u00e2y, h\u00e9o v\u00e0ng kh\u00f4 c\u1ee7 - Bacteri<\/title>\n<meta name=\"description\" content=\"B\u1ec7nh h\u00e9o r\u0169 ch\u1ebft v\u00e0ng do n\u1ea5m Fusarium sp. g\u00e2y h\u1ea1i tr\u00ean c\u00e0 chua, khoai t\u00e2y, \u0111\u1eadu t\u01b0\u01a1ng, \u1edbt, b\u1ea7u b\u00ed v\u00e0 v\u1eebng. 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