{"id":15957,"date":"2024-06-20T16:07:05","date_gmt":"2024-06-20T09:07:05","guid":{"rendered":"https:\/\/catlong.vn\/?p=15957"},"modified":"2025-10-17T15:18:19","modified_gmt":"2025-10-17T08:18:19","slug":"bao-ve-cay-rau-mau-mua-nang-nong","status":"publish","type":"post","link":"https:\/\/catlong.vn\/?p=15957","title":{"rendered":"B\u1ea2O V\u1ec6 C\u00c2Y RAU M\u00c0U M\u00d9A N\u1eaeNG N\u00d3NG !"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng kh\u00f4ng nh\u1ecf \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t v\u00e0 sinh ho\u1ea1t c\u1ee7a ng\u01b0\u1eddi d\u00e2n. D\u1ec5 th\u1ea5y r\u00f5 nh\u1ea5t l\u00e0 trong v\u00e0i n\u0103m g\u1ea7n \u0111\u00e2y, nhi\u1ec7t \u0111\u1ed9 c\u00f3 xu h\u01b0\u1edbng t\u0103ng d\u1ea7n theo t\u1eebng n\u0103m, l\u00e0m \u1ea3nh h\u01b0\u1edfng kh\u00f4ng nh\u1ecf \u0111\u1ebfn canh t\u00e1c c\u00e2y tr\u1ed3ng n\u00f3i chung v\u00e0 s\u1ea3n xu\u1ea5t c\u00e2y rau m\u00e0u n\u00f3i ri\u00eang. Trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft n\u1eafng n\u00f3ng k\u00e9o d\u00e0i nh\u01b0 hi\u1ec7n nay, ng\u01b0\u1eddi n\u00f4ng d\u00e2n g\u1eb7p nhi\u1ec1u kh\u00f3 kh\u0103n trong vi\u1ec7c ch\u0103m s\u00f3c rau m\u00e0u, nh\u1ea5t l\u00e0 kh\u00e2u t\u01b0\u1edbi ti\u00eau v\u00e0 qu\u1ea3n l\u00fd s\u00e2u b\u1ec7nh g\u00e2y h\u1ea1i cho <\/a>c\u00e2y tr\u1ed3ng. V\u00e0o m\u00f9a kh\u00f4, qu\u00e1 tr\u00ecnh b\u1ed1c tho\u00e1t h\u01a1i n\u01b0\u1edbc trong \u0111\u1ea5t v\u00e0 trong c\u00e2y di\u1ec5n ra r\u1ea5t nhanh sau khi t\u01b0\u1edbi. Do \u0111\u00f3, c\u00e2y d\u1ec5 b\u1ecb thi\u1ebfu n\u01b0\u1edbc c\u1ee5c b\u1ed9, n\u1ebfu cung c\u1ea5p n\u01b0\u1edbc t\u01b0\u1edbi kh\u00f4ng \u0111\u1ee7, c\u00e2y sinh tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n k\u00e9m, kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ed9i v\u1edbi s\u00e2u b\u1ec7nh k\u00e9m v\u00e0 gi\u1ea3m n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n

V\u00ec v\u1eady, khi canh t\u00e1c rau m\u00e0u, ng\u01b0\u1eddi n\u00f4ng d\u00e2n c\u1ea7n l\u01b0u \u00fd m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p sau:<\/p>\n\n\n\n

1. S\u1eed d\u1ee5ng gi\u1ed1ng ch\u1ed1ng ch\u1ecbu (gi\u1ed1ng ch\u1ecbu h\u1ea1n) th\u00edch \u1ee9ng v\u1edbi bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu:<\/p>\n\n\n\n

M\u1ed7i lo\u1ea1i rau tr\u1ed3ng \u0111i\u1ec1u th\u00edch nghi v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu v\u00e0 \u0111\u1ea5t \u0111ai theo t\u1eebng v\u00f9ng sinh th\u00e1i. Tuy nhi\u00ean, v\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, nhi\u1ec7t \u0111\u1ed9 c\u00f3 xu h\u01b0\u1edbng t\u0103ng d\u1ea7n theo t\u1eebng n\u0103m \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng kh\u00f4ng nh\u1ecf \u0111\u1ebfn canh t\u00e1c c\u00e2y tr\u1ed3ng n\u00f3i chung, c\u0169ng nh\u01b0 c\u00e2y rau n\u00f3i ri\u00eang, v\u00ec th\u1ebf c\u1ea7n s\u1eed d\u1ee5ng nh\u1eefng gi\u1ed1ng rau c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n, ch\u1ecbu m\u1eb7n th\u00edch \u1ee9ng v\u1edbi bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu. C\u00e1c gi\u1ed1ng rau c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n t\u1ed1t nh\u01b0: nh\u00f3m c\u00e2y h\u1ecd b\u1ea7u-b\u00ed-d\u01b0a, rau mu\u1ed1ng, rau d\u1ec1n, \u0111\u1eadu \u0111\u0169a, c\u00e0 chua ch\u1ecbu nhi\u1ec7t,…ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c gi\u1ed1ng rau gh\u00e9p g\u1ed1c \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t nh\u01b0: c\u00e0 chua gh\u00e9p g\u1ed1c c\u00e0 t\u00edm, kh\u1ed5 qua gh\u00e9p g\u1ed1c m\u01b0\u1edbp,…<\/p>\n\n\n\n

2. L\u1ef1a ch\u1ecdn \u0111\u1ea5t tr\u1ed3ng rau m\u00e0u:<\/p>\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u1ea5t tr\u1ed3ng rau trong m\u00f9a kh\u00f4 r\u1ea5t quan tr\u1ecdng, n\u1ebfu tr\u1ed3ng rau m\u00e0u tr\u00ean n\u1ec1n \u0111\u1ea5t c\u00e1t th\u00ec s\u1ebd g\u1eb7p kh\u00f3 kh\u0103n h\u01a1n, do \u0111\u1ea5t c\u00e1t kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc k\u00e9m h\u01a1n so v\u1edbi nh\u1eefng lo\u1ea1i \u0111\u1ea5t kh\u00e1c v\u00ec th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o c\u1ee7a \u0111\u1ea5t c\u00e1t l\u00e0 nh\u1eefng h\u1ea1t r\u1eddi r\u1ea1c, kh\u00f4ng k\u1ebft d\u00ednh nhau. Do \u0111\u00f3 khi t\u01b0\u1edbi, n\u01b0\u1edbc s\u1ebd th\u1ea5m nhanh xu\u1ed1ng t\u1ea7ng b\u00ean d\u01b0\u1edbi v\u00ec v\u1eady ph\u1ea3i t\u01b0\u1edbi n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean v\u00e0 t\u01b0\u1edbi nhi\u1ec1u h\u01a1n, t\u1ed1t nh\u1ea5t n\u00ean ch\u1ecdn \u0111\u1ea5t s\u00e9t pha th\u1ecbt ho\u1eb7c \u0111\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc t\u1ed1t \u0111\u1ec3 tr\u1ed3ng rau m\u00e0u.<\/p>\n\n\n\n

3. Ph\u1ee7 li\u1ebfp tr\u1ed3ng \u0111\u1ec3 gi\u1eef \u1ea9m cho c\u00e2y:<\/p>\n\n\n\n

Trong m\u00f9a n\u1eafng n\u00f3ng, khi nhi\u1ec7t \u0111\u1ed9 c\u00e0ng cao th\u00ec l\u01b0\u1ee3ng n\u01b0\u1edbc trong \u0111\u1ea5t b\u1ed1c h\u01a1i c\u00e0ng nhanh, qu\u00e1 tr\u00ecnh tho\u00e1t n\u01b0\u1edbc trong c\u00e2y di\u1ec5n ra nhanh ch\u00f3ng, n\u1ebfu th\u1eddi \u0111i\u1ec3m n\u00e0y kh\u00f4ng t\u01b0\u1edbi \u0111\u1ee7 n\u01b0\u1edbc k\u1ecbp th\u1eddi th\u00ec c\u00e2y d\u1ec5 b\u1ecb h\u00e9o, n\u1ebfu thi\u1ebfu n\u01b0\u1edbc k\u00e9o d\u00e0i d\u1eabn \u0111\u1ebfn c\u00e2y ch\u1ebft. V\u00ec v\u1eady, \u0111\u1ec3 gi\u1eef \u1ea9m cho \u0111\u1ea5t c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng r\u01a1m r\u1ea1 \u0111\u1ec3 ph\u1ee7 li\u1ebfp, ho\u1eb7c ph\u1ee7 li\u1ebfp b\u1eb1ng m\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p s\u1ebd gi\u00fap h\u1ea1n ch\u1ebf b\u1ed1c tho\u00e1t h\u01a1i n\u01b0\u1edbc, c\u00e2y rau sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n thu\u1eadn l\u1ee3i h\u01a1n.<\/p>\n\n\n\n

4. Ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi n\u01b0\u1edbc:<\/p>\n\n\n\n

C\u00f3 r\u1ea5t nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi ti\u00eau cho c\u00e2y rau, ngo\u00e0i ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi truy\u1ec1n th\u1ed1ng tr\u01b0\u1edbc \u0111\u00e2y: t\u01b0\u1edbi th\u00f9ng, t\u01b0\u1edbi r\u00e3nh, t\u01b0\u1edbi phun th\u1ee7 c\u00f4ng,…tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi n\u00e0y s\u1ebd kh\u00f4ng \u0111\u1ea3m b\u1ea3o cung c\u1ea5p \u0111\u1ee7 n\u01b0\u1edbc cho c\u00e2y rau trong m\u00f9a kh\u00f4, g\u00e2y l\u00e3ng ph\u00ed n\u01b0\u1edbc, \u0111\u1ed3ng th\u1eddi t\u1ed1n nhi\u1ec1u c\u00f4ng s\u1ee9c v\u00e0 th\u1eddi gian t\u01b0\u1edbi. Hi\u1ec7n nay, d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, l\u00e0m cho nhi\u1ec7t \u0111\u1ed9 gia t\u0103ng, h\u1ea1n h\u00e1n k\u00e9o d\u00e0i, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi nh\u1eefng v\u00f9ng tr\u1ed3ng rau thi\u1ebfu ngu\u1ed3n n\u01b0\u1edbc t\u01b0\u1edbi th\u00ec ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi ti\u1ebft ki\u1ec7m n\u01b0\u1edbc l\u00e0 ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec1u n\u00f4ng d\u00e2n \u00e1p d\u1ee5ng, \u0111i\u1ec3n h\u00ecnh l\u00e0 t\u01b0\u1edbi phun m\u01b0a t\u1ef1 \u0111\u1ed9ng, t\u01b0\u1edbi nh\u1ecf gi\u1ecdt,… ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi n\u00e0y mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao cho c\u00e2y tr\u1ed3ng, v\u1eeba cung c\u1ea5p \u0111\u1ee7 n\u01b0\u1edbc t\u01b0\u1edbi cho c\u00e2y, v\u1eeba ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c th\u1eddi gian t\u01b0\u1edbi, l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi trong m\u00f9a n\u1eafng kho\u1ea3ng 40 – 50%, ti\u1ebft ki\u1ec7m chi ph\u00ed lao \u0111\u1ed9ng (c\u00f4ng t\u01b0\u1edbi), \u0111\u1ed3ng th\u1eddi t\u0103ng n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng t\u1eeb 15-30% so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n

* L\u01b0u \u00fd: N\u00ean l\u1ef1a ch\u1ecdn th\u1eddi \u0111i\u1ec3m t\u01b0\u1edbi n\u01b0\u1edbc cho c\u00e2y rau th\u00edch h\u1ee3p, t\u1ed1t nh\u1ea5t n\u00ean t\u01b0\u1edbi kho\u1ea3ng 2-3 l\u1ea7n\/ng\u00e0y. T\u01b0\u1edbi v\u00e0o bu\u1ed5i s\u00e1ng (trong kho\u1ea3ng t\u1eeb 7-10 gi\u1edd), bu\u1ed5i chi\u1ec1u b\u1eaft \u0111\u1ea7u t\u01b0\u1edbi t\u1eeb 15-16 gi\u1edd . Kh\u00f4ng \u0111\u01b0\u1ee3c t\u01b0\u1edbi n\u01b0\u1edbc cho c\u00e2y v\u00e0o th\u1eddi \u0111i\u1ec3m t\u1eeb 11-14 gi\u1edd, v\u00ec l\u00fac n\u00e0y bu\u1ed5i tr\u1eddi n\u1eafng n\u00f3ng, nhi\u1ec7t \u0111\u1ed9 t\u0103ng cao, c\u00e2y rau b\u1ecb thi\u1ebfu n\u01b0\u1edbc c\u1ee5c b\u1ed9, n\u1ebfu t\u01b0\u1edbi n\u01b0\u1edbc phun l\u00ean l\u00e1, n\u01b0\u1edbc \u0111\u1ed9ng l\u1ea1i tr\u00ean l\u00e1 khi g\u1eb7p nhi\u1ec7t \u0111\u1ed9 cao s\u1ebd h\u1ea5p thu nhi\u1ec7t, x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng l\u00e1 b\u1ecb b\u1ecfng, d\u1eabn \u0111\u1ebfn l\u00e1 b\u1ecb ch\u00e1y, kh\u00f4 v\u00e0 r\u1ee5ng.<\/p>\n\n\n\n

5. B\u00f3n ph\u00e2n h\u1eefu c\u01a1 k\u1ebft h\u1ee3p v\u00f4 c\u01a1 cho dinh d\u01b0\u1ee1ng \u0111\u1ea7y \u0111\u1ee7 :<\/p>\n\n\n\n

Trong m\u00f9a n\u1eafng n\u00f3ng, ngo\u00e0i vi\u1ec7c cung c\u1ea5p \u0111\u1ee7 n\u01b0\u1edbc, ph\u1ee7 li\u1ebfp gi\u1eef \u1ea9m cho c\u00e2y th\u00ec vi\u1ec7c b\u00f3n ph\u00e2n c\u0169ng r\u1ea5t quan tr\u1ecdng. \u01afu \u0111i\u1ec3m khi b\u00f3n ph\u00e2n h\u1eefu c\u01a1 s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac \u0111\u1ea5t, \u0111\u1ea5t tr\u1ed3ng t\u01a1i x\u1ed1p h\u01a1n, ph\u00e2n h\u1eefu c\u01a1 gi\u00fap gi\u1eef \u1ea9m v\u00e0 dinh d\u01b0\u1ee1ng t\u1ed1t, b\u1ed9 r\u1ec5 c\u00e2y ph\u00e1t tri\u1ec3n t\u1ed1i \u01b0u, ph\u00e2n v\u00f4 c\u01a1 h\u00e0m l\u01b0\u1ee3ng v\u1eeba \u0111\u1ee7 s\u1ebd gi\u00fap cho c\u00e2y c\u00f3 \u0111\u1ee7 ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 ch\u1ed1ng l\u1ea1i b\u1ec7nh. T\u1eeb \u0111\u00f3 c\u00e2y tr\u1ed3ng kh\u1ecfe m\u1ea1nh, ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi \u0111i\u1ec1u ki\u1ec7n b\u1ea5t l\u1ee3i c\u1ee7a m\u00f4i tr\u01b0\u1eddng (h\u1ea1n h\u00e1n, ng\u1eadp \u00fang, ch\u1ed1ng ch\u1ecbu s\u00e2u b\u1ec7nh t\u1ed1t h\u01a1n). Ph\u00e2n b\u00f3n h\u1eefu c\u01a1 NPK \u0110\u00ecnh V\u0169 Orgamax 02 v\u00e0 NPK \u0110\u00ecnh V\u0169 13-5-9 l\u00e0 2 m\u00e3 s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c \u0111\u1ea7y \u0111\u1ee7 nh\u1eefng nhu c\u1ea7u thi\u1ebft y\u1ebfu cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y v\u00e0 nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a b\u00e0 con : Ti\u1ebft ki\u1ec7m chi ph\u00ed – \u0110\u1ea7y \u0111\u1ee7 h\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng – An to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

6. Qu\u1ea3n l\u00fd v\u00e0 ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh h\u1ea1i:<\/p>\n\n\n\n

Ngo\u00e0i vi\u1ec7c t\u01b0\u1edbi \u0111\u1ee7 n\u01b0\u1edbc cho c\u00e2y trong m\u00f9a kh\u00f4, b\u00ean c\u1ea1nh \u0111\u00f3 ng\u01b0\u1eddi n\u00f4ng d\u00e2n c\u1ea7n quan t\u00e2m \u0111\u1ebfn m\u1ed9t s\u1ed1 s\u00e2u b\u1ec7nh h\u1ea1i ch\u00ednh sau:<\/p>\n\n\n\n

* R\u1ea7y m\u1ec1m, b\u1ecd ph\u1ea5n tr\u1eafng, b\u1ecd tr\u0129 (nh\u00f3m g\u00e2y h\u1ea1i ch\u1ee7 y\u1ebfu tr\u00ean h\u1ecd b\u1ea7u, b\u00ed, d\u01b0a v\u00e0 h\u1ecd c\u00e0, \u1edbt)<\/p>\n\n\n\n

+ \u0110i\u1ec1u ki\u1ec7n ph\u00e1t sinh v\u00e0 g\u00e2y h\u1ea1i: ph\u00e1t tri\u1ec3n trong \u0111i\u1ec1u ki\u1ec7n n\u1eafng n\u00f3ng v\u00e0 kh\u00f4. G\u00e2y h\u1ea1i n\u1eb7ng \u1edf th\u1eddi k\u1ef3 c\u00e2y con t\u1eeb khi ra l\u00e1 \u0111\u1ebfn khi c\u00f3 b\u00f4ng.<\/p>\n\n\n\n

+ Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb: v\u1ec7 sinh \u0111\u1ed3ng ru\u1ed9ng, sau khi thu ho\u1ea1ch n\u00ean gom h\u1ebft t\u00e0n d\u01b0 (th\u00e2n, d\u00e2y, ch\u00e8o) ra kh\u1ecfi ru\u1ed9ng, l\u00e0m s\u1ea1ch c\u1ecf xung quanh ru\u1ed9ng rau \u0111\u1ec3 h\u1ea1n ch\u1ebf n\u01a1i c\u01b0 tr\u00fa c\u1ee7a c\u00e1c s\u00e2u h\u1ea1i; n\u00ean tr\u1ed3ng \u0111\u1ed3ng lo\u1ea1t v\u00e0 tr\u00e1nh g\u1ed1i v\u1ee5, ki\u1ec3m tra ru\u1ed9ng th\u1eadt k\u1ef9 \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm thu\u1eadn l\u1ee3i trong vi\u1ec7c ph\u00f2ng tr\u1eeb; ch\u0103m s\u00f3c cho c\u00e2y kh\u1ecfe. \u0110\u1ed1i v\u1edbi rau tr\u1ed3ng trong m\u00f9a n\u1eafng n\u00f3ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p \u0111\u1ec3 ph\u00f2ng ng\u1eeba b\u1ecd tr\u0129, b\u1ecd ph\u1ea5n tr\u1eafng; t\u01b0\u1edbi phun m\u01b0a \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 \u1ea9m trong \u0111\u1ea5t. \u2026Khi c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thu\u1ed1c c\u00f3 ho\u1ea1t ch\u1ea5t nh\u01b0 Pymetrozin, Abamectin, Spinetoram v\u00e0 k\u1ebft h\u1ee3p v\u1edbi d\u1ea7u kho\u00e1ng \u0111\u1ec3 ph\u00f2ng tr\u1eeb \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao.<\/p>\n\n\n\n

* S\u00e2u t\u01a1, s\u00e2u xanh, b\u1ecd nh\u1ea3y<\/p>\n\n\n\n

+ \u0110i\u1ec1u ki\u1ec7n ph\u00e1t sinh v\u00e0 g\u00e2y h\u1ea1i: G\u00e2y h\u1ea1i n\u1eb7ng trong m\u00f9a n\u1eafng n\u00f3ng t\u1eeb giai \u0111o\u1ea1n c\u00e2y ra l\u00e1 \u0111\u1ebfn giai \u0111o\u1ea1n s\u1eafp thu ho\u1ea1ch<\/p>\n\n\n\n

+ Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb: Sau thu ho\u1ea1ch v\u1ec7 sinh \u0111\u1ed3ng ru\u1ed9ng, kh\u00f4ng tr\u1ed3ng li\u00ean t\u1ee5c nhi\u1ec1u v\u1ee5 h\u1ecd th\u1eadp t\u1ef1 tr\u00ean c\u00f9ng m\u1ed9t ch\u00e2n \u0111\u1ea5t, lu\u00e2n canh v\u1edbi c\u00e2y kh\u00e1c h\u1ecd nh\u01b0: x\u00e0 l\u00e1ch, rau d\u1ec1n, m\u1ed3ng t\u01a1i,… ho\u1eb7c rau m\u00f9i. T\u1ed1t nh\u1ea5t n\u00ean lu\u00e2n canh v\u1edbi b\u1eafp v\u00e0 l\u00faa n\u01b0\u1edbc. N\u1ebfu c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thu\u1ed1c c\u00f3 ho\u1ea1t ch\u1ea5t \u0111\u1ec3 tr\u1eeb s\u00e2u h\u1ea1i nh\u01b0: BT, Pyrethrin, Rotenone,…<\/p>\n\n\n\n

* B\u1ec7nh h\u00e9o c\u00e2y con<\/p>\n\n\n\n

+ \u0110i\u1ec1u ki\u1ec7n ph\u00e1t sinh v\u00e0 g\u00e2y h\u1ea1i: Th\u1eddi ti\u1ebft n\u00f3ng, \u1ea9m \u0111\u1ed9 cao (khi c\u00f3 \u0111\u1ee3t m\u01b0a tr\u00e1i m\u00f9a trong m\u00f9a kh\u00f4). N\u1ea5m b\u1ec7nh t\u1ed3n t\u1ea1i tr\u00ean c\u00e1c lo\u1ea1i r\u01a1m r\u1ea1, c\u1ecf d\u1ea1i, h\u1ea1ch n\u1ea5m t\u1ed3n t\u1ea1i trong \u0111\u1ea5t sau c\u00e1c m\u00f9a v\u1ee5 tr\u01b0\u1edbc, g\u00e2y h\u1ea1i ch\u1ee7 y\u1ebfu trong v\u01b0\u1eddn \u01b0\u01a1m, giai \u0111o\u1ea1n c\u00e2y con m\u1edbi tr\u1ed3ng.<\/p>\n\n\n\n

+ Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb: Ch\u1ecdn gi\u1ed1ng ch\u1ed1ng ch\u1ecbu b\u00eanh; kh\u1eed gi\u1ed1ng tr\u01b0\u1edbc khi tr\u1ed3ng(ng\u00e2m h\u1ea1t gi\u1ed1ng rau tr\u01b0\u1edbc khi gieo b\u1eb1ng n\u01b0\u1edbc \u1ea5m \u0111\u1ec3 h\u1ea1n ch\u1ebf b\u1ec7nh); lu\u00e2n canh, b\u00f3n v\u00f4i cho \u0111\u1ea5t c\u00f3 \u0111\u1ed9 pH th\u1ea5p; l\u00ean li\u1ebfp cao. \u0110\u1ec3 ph\u00f2ng ng\u1eeba ch\u1ebft h\u00e9o c\u00e2y con c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ebf ph\u1ea9m Tricoderma t\u01b0\u1edbi l\u00ean \u0111\u1ea5t li\u1ec1u l\u01b0\u1ee3ng theo khuy\u1ebfn c\u00e1o c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t tr\u01b0\u1edbc khi tr\u1ed3ng.<\/p>\n\n\n\n

* B\u1ec7nh kh\u1ea3m(do virus): Ch\u1ee7 y\u1ebfu g\u00e2y h\u1ea1i tr\u1ebfn nh\u00f3m rau h\u1ecd b\u1ea7u, b\u00ed, d\u01b0a v\u00e0 h\u1ecd c\u00e0 \u1edbt<\/p>\n\n\n\n

+ \u0110i\u1ec1u ki\u1ec7n ph\u00e1t sinh v\u00e0 g\u00e2y h\u1ea1i: B\u1ec7nh g\u00e2y h\u1ea1i v\u00e0o m\u00f9a n\u1eafng n\u00f3ng, nhi\u1ec7t \u0111\u1ed9 cao, th\u1eddi ti\u1ebft kh\u00f4 h\u1ea1n. C\u00f4n tr\u00f9ng ch\u00edch h\u00fat l\u00e0 m\u00f4i gi\u1edbi lan truy\u1ec1n b\u1ec7nh nh\u01b0 b\u1ecd ph\u1ea5n tr\u1eafng, b\u1ecd tr\u0129, r\u1ea7y m\u1ec1m.<\/p>\n\n\n\n

+ Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb: V\u1ec7 sinh t\u00e0n d\u01b0 c\u00e2y tr\u1ed3ng v\u1ee5 tr\u01b0\u1edbc, nh\u1ed5 v\u00e0 ti\u00eau hu\u1ef7 c\u00e1c c\u00e2y b\u1ec7nh, theo d\u00f5i m\u1eadt \u0111\u1ed9 c\u00e1c lo\u1ea1i c\u00f4n tr\u00f9ng ch\u00edch h\u00fat v\u00e0 phun thu\u1ed1c \u0111\u1ec3 ph\u00f2ng tr\u1ecb k\u1ecbp th\u1eddi.<\/p>\n\n\n\n

S\u1ea3n xu\u1ea5t rau m\u00e0u trong m\u00f9a n\u1eafng n\u00f3ng, ng\u01b0\u1eddi n\u00f4ng d\u00e2n c\u1ea7n th\u0103m \u0111\u1ed3ng thu\u1eddng xuy\u00ean, ph\u1ea3i c\u1eadp nh\u1eadt th\u00f4ng tin d\u1ef1 b\u00e1o th\u1eddi ti\u1ebft, d\u1ef1 b\u00e1o s\u00e2u b\u1ec7nh c\u1ee7a nh\u00e0 chuy\u00ean m\u00f4n ho\u1eb7c theo d\u1ef1 b\u00e1o c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng. \u0110\u1eb7c bi\u1ec7t l\u00e0 theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng v\u00e0o nh\u1eefng ng\u00e0y n\u1eafng n\u00f3ng, t\u1eeb \u0111\u00f3 \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd v\u00e0 ch\u0103m s\u00f3c c\u00e2y rau m\u00e0u ph\u00e1t tri\u1ec3n t\u1ed1t v\u00e0 \u0111\u1ea1t n\u0103ng su\u1ea5t cao.\/.<\/p>\n","protected":false},"excerpt":{"rendered":"

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng kh\u00f4ng nh\u1ecf \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t v\u00e0 sinh ho\u1ea1t c\u1ee7a ng\u01b0\u1eddi d\u00e2n. D\u1ec5 th\u1ea5y r\u00f5 nh\u1ea5t l\u00e0 trong v\u00e0i n\u0103m g\u1ea7n \u0111\u00e2y, nhi\u1ec7t \u0111\u1ed9 c\u00f3 xu h\u01b0\u1edbng t\u0103ng d\u1ea7n theo t\u1eebng n\u0103m, l\u00e0m \u1ea3nh h\u01b0\u1edfng kh\u00f4ng nh\u1ecf \u0111\u1ebfn canh t\u00e1c c\u00e2y tr\u1ed3ng n\u00f3i chung v\u00e0 s\u1ea3n xu\u1ea5t …<\/p>\n

B\u1ea2O V\u1ec6 C\u00c2Y RAU M\u00c0U M\u00d9A N\u1eaeNG N\u00d3NG !<\/span> Read More »<\/a><\/p>\n","protected":false},"author":3,"featured_media":15958,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[156],"tags":[],"class_list":["post-15957","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/posts\/15957","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15957"}],"version-history":[{"count":1,"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/posts\/15957\/revisions"}],"predecessor-version":[{"id":15962,"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/posts\/15957\/revisions\/15962"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/media\/15958"}],"wp:attachment":[{"href":"https:\/\/catlong.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}