{"id":489,"date":"2023-04-16T13:23:58","date_gmt":"2023-04-16T13:23:58","guid":{"rendered":"https:\/\/vattutrongtrot.net\/?p=489"},"modified":"2023-04-16T13:23:58","modified_gmt":"2023-04-16T13:23:58","slug":"ky-thuat-trong-va-cham-soc-cay-dua","status":"publish","type":"post","link":"https:\/\/vattutrongtrot.net\/index.php\/2023\/04\/16\/ky-thuat-trong-va-cham-soc-cay-dua\/","title":{"rendered":"K\u1ef8 THU\u1eacT TR\u1ed2NG V\u00c0 CH\u0102M S\u00d3C C\u00c2Y D\u1eeaA"},"content":{"rendered":"

I.Quy tr\u00ecnh tr\u1ed3ng c\u00e2y d\u1eeba \u1edf \u0111\u00f4 th\u1ecb \u0111\u01b0\u1eddng ph\u1ed1 v\u00e0 resort \u2026 :<\/strong><\/p>\n

\u2013 B\u01b0\u1edbc 1. \u0110\u1ecbnh v\u1ecb v\u1ecb tr\u00ed tr\u1ed3ng c\u00e2y:<\/em><\/strong><\/p>\n

* \u0110\u1ed1i v\u1edbi c\u00e1c tuy\u1ebfn ph\u1ed1\u00a0tr\u1ed3ng m\u1edbi tr\u00ean to\u00e0n tuy\u1ebfn:<\/em><\/p>\n

\u2013 X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u00e2y tr\u1ed3ng \u0111\u1ea7u h\u00e0ng v\u00e0 c\u00e2y tr\u1ed3ng cu\u1ed1i h\u00e0ng theo thi\u1ebft k\u1ebf, d\u00f9ng d\u00e2y \u0111\u1ec3 c\u0103ng th\u1eb3ng, s\u1eed d\u1ee5ng th\u01b0\u1edbc \u0111o chia kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c c\u00e2y \u0111\u1ea3m b\u1ea3o \u0111\u1ec1u nhau (t\u1eeb 3m \u2013 8m).<\/p>\n

\u2013 \u0110\u1ecbnh v\u1ecb x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed s\u01a1 \u0111\u1ed3 tr\u1ed3ng c\u00e2y c\u1ee7a t\u1eebng tuy\u1ebfn (\u0111\u00e1nh d\u1ea5u s\u01a1n ho\u1eb7c \u0111\u00f3ng c\u1ecdc) \u0111\u1ea3m b\u1ea3o c\u00e2y tr\u1ed3ng \u0111\u01b0\u1ee3c th\u1eb3ng h\u00e0ng, kho\u1ea3ng c\u00e1ch \u0111\u1ec1u, \u0111\u1ed1i x\u1ee9ng nhau (n\u1ebfu tr\u1ed3ng th\u00e0nh 2 h\u00e0ng tr\u1edf l\u00ean) t\u1ea1o c\u1ea3nh quan \u0111\u1ec1u, \u0111\u1eb9p m\u1eaft.<\/p>\n

\u2013 Tr\u1ed3ng theo thi\u1ebft k\u1ebf v\u00e0 h\u1ed1 tr\u1ed3ng c\u1ee7a d\u1ef1 \u00e1n (\u0111\u1ed1i v\u1edbi d\u1ef1 \u00e1n \u0111\u00e3 thi c\u00f4ng c\u00f3 s\u1eb5n h\u1ed1).<\/p>\n

* \u0110\u1ed1i v\u1edbi vi\u1ec7c tr\u1ed3ng b\u1ed5 sung c\u00e2y v\u00e0o h\u1ed1 tr\u1ed1ng, v\u1ecb tr\u00ed tr\u1ed1ng:<\/em><\/p>\n

\u2013 Th\u1ef1c hi\u1ec7n tr\u1ed3ng th\u1eb3ng h\u00e0ng, kho\u1ea3ng c\u00e1ch t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u nhau v\u1edbi c\u00e2y li\u1ec1n k\u1ec1 tr\u00ean tuy\u1ebfn ph\u1ed1 v\u00e0 theo th\u1ef1c t\u1ebf m\u1eb7t b\u1eb1ng.<\/p>\n

B\u01b0\u1edbc 2:<\/em><\/strong>\u00a0Chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng, v\u1eadt li\u1ec7u tr\u1ed3ng c\u00e2y g\u1ed3m \u0111\u1ea5t m\u00e0u, gi\u00e1 th\u1ec3 x\u01a1 d\u1eeba, m\u00f9n h\u1eefu c\u01a1 (ph\u00e2n b\u00f2), bao t\u1ea3i, ph\u00e2n h\u1eefu c\u01a1\u2026v\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 lao \u0111\u1ed9ng, m\u00e1y m\u00f3c thi c\u00f4ng tr\u01b0\u1edbc khi tr\u1ed3ng c\u00e2y.<\/p>\n

B\u01b0\u1edbc\u00a03. \u0110\u00e0o h\u1ed1\u00a0tr\u1ed3ng c\u00e2y:<\/em><\/strong><\/p>\n

\u2013 Ti\u1ebfn h\u00e0nh: T\u1eeb v\u1ecb tr\u00ed tim h\u1ed1, ng\u01b0\u1eddi c\u00f4ng nh\u00e2n \u0111\u00e0o h\u1ed1 h\u00ecnh vu\u00f4ng c\u00f3 c\u1ea1nh t\u1ed1i thi\u1ec3u L(m) = K\u00edch th\u01b0\u1edbc b\u1ea7u c\u00e2y + 0,2m. \u0110\u00e0o h\u1ed1 \u0111\u1ebfn chi\u1ec1u s\u00e2u h\u01a1n k\u00edch th\u01b0\u1edbc chi\u1ec1u cao b\u1ea7u c\u00e2y t\u1ed1i thi\u1ec3u 0,3m \u0111\u1ed1i v\u1edbi m\u1eb7t b\u1eb1ng tr\u1ed3ng c\u00e2y c\u00f3 \u0111\u1ea5t t\u1ef1 nhi\u00ean ph\u00f9 h\u1ee3p cho c\u00e2y tr\u1ed3ng.<\/p>\n

\u2013 Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ea5t kh\u00f4ng \u0111\u1ea3m b\u1ea3o (\u0111\u1ea5t b\u00f9n s\u00e9t, c\u00e1t, tr\u1ea1c v\u1eefa, b\u1ea1c m\u00e0u\u2026), v\u1eadn chuy\u1ec3n \u0111\u1ea5t ph\u1ebf th\u1ea3i v\u00e0 \u0111\u00e0o r\u1ed9ng h\u1ed1 \u0111\u1ec3 b\u1ed5 sung \u0111\u1ea5t m\u00e0u, m\u00f9n h\u1eefu c\u01a1, gi\u00e1 th\u1ec3 x\u01a1 d\u1eeba, ph\u00e2n h\u1eefu c\u01a1 (ph\u00e2n b\u00f2)\u2026 ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o cho s\u1ef1 sinh tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y.<\/p>\n

B\u01b0\u1edbc 4.\u00a0C\u00f4ng t\u00e1c v\u1eadn chuy\u1ec3n:<\/em><\/strong><\/p>\n

\u2013 S\u1eed d\u1ee5ng \u00f4 t\u00f4 ho\u1eb7c xe c\u1ea9u v\u1eadn chuy\u1ec3n c\u00e2y \u0111\u1ebfn n\u01a1i tr\u1ed3ng. Qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n ph\u1ea3i \u0111\u1ea3m b\u1ea3o b\u1ea7u c\u00e2y kh\u00f4ng b\u1ecb n\u1ee9t, v\u1ee1. D\u00f9ng bao t\u1ea3i b\u00f3 quanh th\u00e2n c\u00e2y \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00e2n c\u00e2y trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 gi\u1ea3m tho\u00e1t h\u01a1i n\u01b0\u1edbc, (n\u1ebfu c\u1ea7n).<\/p>\n

B\u01b0\u1edbc 5. B\u00f3n ph\u00e2n v\u00e0 \u0111\u1ea5t tr\u1ed3ng c\u00e2y:<\/em><\/strong><\/p>\n

\u2013 Cho \u0111\u1ea5t m\u00e0u \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn m\u00f9n, gi\u00e1 th\u1ec3 x\u01a1 d\u1eeba, ph\u00e2n h\u1eefu c\u01a1 (ph\u00e2n b\u00f2)\u2026xu\u1ed1ng h\u1ed1 \u0111\u1ec3 \u0111\u1ed9 cao ph\u00f9 h\u1ee3p. Sau khi c\u1ea9u c\u00e2y tr\u1ed3ng \u0111\u01b0a xu\u1ed1ng h\u1ed1 tr\u1ed3ng ph\u1ea3i th\u00e1o b\u1ecf bao b\u1ea7u c\u00e2y (\u0111\u1ed1i v\u1edbi v\u1ecf b\u1ea7u kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 ph\u00e2n h\u1ee7y), c\u1eaft h\u1ebft d\u00e2y bu\u1ed9c, \u0111\u1eb7t b\u1ea7u c\u00e2y v\u00e0o ch\u00ednh gi\u1eefa h\u1ed1 \u0111\u1ea3m b\u1ea3o c\u00e2y tr\u1ed3ng th\u1eb3ng \u0111\u1ee9ng (ki\u1ec3m tra theo 2 h\u01b0\u1edbng: song song v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi v\u1ec9a h\u00e8) \u0111\u1eb7t c\u00e2y sao cho c\u1ed5 r\u1ec5 th\u1ea5p h\u01a1n cao \u0111\u1ed9 m\u1eb7t h\u00e8.<\/p>\n

\u2013 \u0110i\u1ec1u ch\u1ec9nh cho c\u00e2y th\u1eb3ng \u0111\u1ee9ng, khi \u0111\u00e3 \u0111\u1ea1t y\u00eau c\u1ea7u cho \u0111\u1ea5t m\u00e0u tr\u1ed9n gi\u00e1 th\u1ec3 x\u01a1 d\u1eeba\u00a0 + ph\u00e2n h\u1eefu c\u01a1 (ph\u00e2n b\u00f2) v\u00e0o h\u1ed1, l\u1ea5p \u0111\u1ebfn qu\u00e1 n\u1eeda h\u1ed1 r\u1ed3i n\u00e8n ch\u1eb7t xung quanh b\u1ea7u, t\u01b0\u1edbi nh\u1eb9 n\u01b0\u1edbc (\u0111\u00e3 \u0111\u01b0\u1ee3c pha ch\u1ea5t k\u00edch th\u00edch ra r\u1ec5) \u0111\u1ec1u quanh b\u1ea7u c\u00e2y.<\/p>\n

\u2013 Ti\u1ebfp t\u1ee5c l\u1ea5p \u0111\u1ea5t xung quanh b\u1ea7u c\u00e2y v\u00e0 l\u00e8n ch\u1eb7t \u0111\u1ebfn mi\u1ec7ng h\u1ed1. Ti\u1ebfn h\u00e0nh t\u01b0\u1edbi \u0111\u1eabm n\u01b0\u1edbc v\u00e0 l\u00e0m v\u1eebng xung quanh g\u1ed1c \u0111\u1ec3 gi\u1eef n\u01b0\u1edbc kh\u00f4ng tr\u00e0n ra ngo\u00e0i h\u1ed1 tr\u1ed3ng.<\/p>\n

B\u01b0\u1edbc 6. C\u1ecdc ch\u1ed1ng cho c\u00e2y:<\/em><\/strong><\/p>\n

\u2013 D\u00f9ng c\u1ecdc g\u1ed7 ch\u1ed1ng gi\u1eef c\u00e2y tr\u1ed3ng lu\u00f4n \u0111\u01b0\u1ee3c th\u1eb3ng \u0111\u1ee9ng kh\u00f4ng b\u1ecb nghi\u00eang, \u0111\u1ed5 do gi\u00f3 v\u00e0 \u1ed5n \u0111\u1ecbnh b\u1ed9 \u0111\u01b0\u1ee3c r\u1ec5.<\/p>\n

\u2013 Chi\u1ec1u cao c\u1ee7a c\u1ecdc ch\u1ed1ng sau khi \u0111\u00e3 l\u1eafp gh\u00e9p (tr\u00ean m\u1eb7t \u0111\u1ea5t) t\u1ed1i thi\u1ec3u b\u1eb1ng 1\/3 chi\u1ec1u cao c\u00e2y tr\u1edf l\u00ean.<\/p>\n

\u2013 V\u1ecb tr\u00ed ch\u1ed1ng c\u1ecdc v\u00e0o th\u00e2n c\u00e2y c\u00e1ch g\u1ed1c kho\u1ea3ng 1\/3 chi\u1ec1u cao c\u00e2y v\u1edbi \u0111\u1ed9 nghi\u00eang g\u00f3c ch\u1ed1ng t\u1ed1i \u01b0u t\u1eeb 30\u00b0- 40\u00b0. Ch\u00e2n c\u1ecdc \u0111\u00f3ng s\u00e2u xu\u1ed1ng \u0111\u1ea5t t\u1ed1i thi\u1ec3u 5cm \u0111\u1ec3 c\u00f3 \u0111i\u1ec3m ch\u1ed1ng.<\/p>\n

\u2013 Trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng th\u1ec3 \u0111\u1eb7t ch\u00e2n c\u1ecdc g\u1ecdn trong h\u1ed1 tr\u1ed3ng c\u00e2y do g\u00f3c ch\u1ed1ng h\u1eb9p kh\u00f4ng \u0111\u1ea3m b\u1ea3o vi\u1ec7c ch\u1ed1ng gi\u1eef c\u00e2y c\u00f3 th\u1ec3 \u0111\u1eb7t v\u1ecb tr\u00ed ch\u00e2n c\u1ecdc n\u1eb1m tr\u00ean v\u1ec9a h\u00e8 s\u00e2u xu\u1ed1ng \u0111\u1ea5t t\u1ed1i thi\u1ec3u 5cm.<\/p>\n

\u2013 Th\u1eddi gian s\u1eed d\u1ee5ng c\u1ecdc ch\u1ed1ng cho c\u00e2y:<\/p>\n

+ \u0110\u1ed1i v\u1edbi c\u00e2y \u0111\u01b0\u1eddng k\u00ednh t\u1eeb <15 cm: T\u1ed1i thi\u1ec3u 2 n\u0103m.<\/p>\n

+ \u0110\u1ed1i v\u1edbi c\u00e2y c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 15cm tr\u1edf l\u00ean: T\u1ed1i thi\u1ec3u 3 n\u0103m. C\u00f3 th\u1ec3 d\u00f9ng c\u1ecdc ch\u1ed1ng c\u00f3 tu\u1ed5i th\u1ecd cao (theo thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c duy\u1ec7t) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n l\u00e2u d\u00e0i cho c\u00e2y. Ph\u1ea7n c\u1ecdc ti\u1ebfp x\u00fac v\u1edbi th\u00e2n c\u00e2y \u0111\u01b0\u1ee3c \u0111\u1ec7m l\u00f3t \u0111\u1ec3 tr\u00e1nh x\u00e2y, x\u01b0\u1edbc ho\u1eb7c tr\u00f3c v\u1ecf c\u00e2y. S\u1eed d\u1ee5ng 1 ho\u1eb7c 2 t\u1ea7ng g\u00f4ng \u0111\u1ec3 li\u00ean k\u1ebft 4 c\u1ecdc ch\u1ed1ng; h\u00e0n ch\u1ebft ho\u1eb7c k\u1ebft h\u1ee3p \u0111\u1ec7m cao su c\u00f3 li\u00ean k\u1ebft bul\u00f4ng d\u1ec5 n\u1edbi l\u1ecfng khi c\u00e2y ph\u00e1t tri\u1ec3n.<\/p>\n

\u2013 Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ed1i v\u1edbi c\u1ecdc s\u1eaft; thay th\u1ebf c\u1ecdc g\u1ed7 b\u1ecb g\u1eaby h\u1ecfng.<\/p>\n

B\u01b0\u1edbc 7:<\/em><\/strong>\u00a0Ch\u0103m s\u00f3c c\u00e2y sau khi tr\u1ed3ng:<\/p>\n

\u2013 K\u1ef9 thu\u1eadt ch\u0103m s\u00f3c c\u00e2y sau khi tr\u1ed3ng: Sau khi tr\u1ed3ng, \u0111\u01a1n v\u1ecb thi c\u00f4ng tr\u1ed3ng c\u00e2y c\u00f3 tr\u00e1ch nhi\u1ec7m ch\u0103m s\u00f3c, b\u1ea3o d\u01b0\u1ee1ng c\u00e2y t\u1ed1i thi\u1ec3u 03 th\u00e1ng tr\u01b0\u1edbc khi b\u00e0n giao cho \u0111\u01a1n v\u1ecb qu\u1ea3n l\u00fd, duy tr\u00ec c\u00e2y trong 02 n\u0103m \u0111\u1ea7u theo quy \u0111\u1ecbnh.<\/p>\n

\u2013 T\u01b0\u1edbi n\u01b0\u1edbc: T\u01b0\u1edbi \u0111\u1eabm \u0111\u1ea5t xung quanh g\u1ed1c c\u00e2y, th\u1eddi gian t\u01b0\u1edbi v\u00e0o s\u00e1ng s\u1edbm ho\u1eb7c chi\u1ec1u t\u1ed1i (kh\u00f4ng t\u01b0\u1edbi khi tr\u1eddi n\u1eafng g\u1eaft). T\u00f9y theo th\u1eddi ti\u1ebft v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a \u0111\u1ea5t \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u1ebf \u0111\u1ed9 t\u01b0\u1edbi, l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi. Vi\u1ec7c t\u01b0\u1edbi n\u01b0\u1edbc kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m x\u00f3i m\u00f2n \u0111\u1ea5t xung quanh g\u1ed1c nh\u01b0ng v\u1eabn t\u1ea1o \u0111\u1ee7 \u0111\u1ed9 \u1ea9m cho c\u00e2y.<\/p>\n

+ Th\u1eddi ch\u0103m s\u00f3c: 90 ng\u00e0y.<\/p>\n

+ S\u1ed1 l\u1ea7n t\u01b0\u1edbi:<\/p>\n

* 15 ng\u00e0y \u0111\u1ea7u t\u01b0\u1edbi li\u00ean t\u1ee5c: 1 ng\u00e0y\/1 l\u1ea7n.<\/p>\n

* 30 ng\u00e0y sau t\u01b0\u1edbi 2 ng\u00e0y\/l\u1ea7n.<\/p>\n

* C\u00e1c ng\u00e0y ti\u1ebfp theo (45 ng\u00e0y) t\u01b0\u1edbi trung b\u00ecnh: 3 ng\u00e0y \/l\u1ea7n.<\/p>\n

+ L\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi: 17 l\u00edt\/ l\u1ea7n t\u01b0\u1edbi.<\/p>\n

\u2013 Theo d\u00f5i t\u00ecnh h\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y \u0111\u1ec3 x\u1eed l\u00fd, n\u1ebfu ph\u00e1t hi\u1ec7n s\u00e2u b\u1ec7nh ph\u1ea3i phun thu\u1ed1c ngay, l\u00e0m c\u1ecf d\u1ea1i xung quanh g\u1ed1c c\u00e2y.<\/p>\n

\u2013 C\u1eaft t\u1ec9a c\u00e1c ch\u1ed3i, c\u00e0nh m\u1ecdc l\u00e0m l\u1ec7ch t\u00e1n \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng ph\u00e1t tri\u1ec3n t\u00e1n c\u00e2y c\u00e2n \u0111\u1ed1i.<\/p>\n

\u2013 Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra c\u1ecdc ch\u1ed1ng v\u00e0 b\u1ed5 sung k\u1ecbp th\u1eddi cho c\u00e2y m\u1edbi tr\u1ed3ng, n\u1ebfu c\u00e2y nghi\u00eang ph\u1ea3i d\u1ef1ng l\u1ea1i ngay th\u1eb3ng.<\/p>\n

II. S\u00e2u b\u1ec7nh h\u1ea1i v\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb :<\/strong><\/p>\n

1.B\u1ecd d\u1eeba :<\/strong><\/p>\n

– B\u1ecd d\u1eeba tr\u1ea3i qua 4 giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n l\u00e0 tr\u1ee9ng, \u1ea5u tr\u00f9ng, nh\u1ed9ng v\u00e0 th\u00e0nh tr\u00f9ng. B\u1ecd c\u00f3 k\u00edch th\u01b0\u1edbc t\u1eeb 9-10mm, ngang 2-2,25mm, r\u00e2u d\u00e0i 2,75mm, c\u00f3 t\u1eadp t\u00ednh ho\u1ea1t \u0111\u1ed9ng v\u1ec1 \u0111\u00eam. V\u00f2ng \u0111\u1eddi c\u1ee7a b\u1ecd c\u00e1nh c\u1ee9ng t\u1eeb 130-135 ng\u00e0y. Con c\u00e1i b\u1eaft \u0111\u1ea7u \u0111\u1ebb tr\u1ee9ng khi \u0111\u01b0\u1ee3c 2 tu\u1ea7n tu\u1ed5i v\u00e0 n\u00f3 c\u00f3 th\u1ec3 \u0111\u1ebb \u0111\u1ebfn 120 tr\u1ee9ng trong su\u1ed1t v\u00f2ng \u0111\u1eddi.<\/p>\n

– Th\u00e0nh tr\u00f9ng v\u00e0 \u1ea5u tr\u00f9ng \u0111\u1ec1u g\u00e2y h\u1ea1i. B\u1ecd d\u1eeba kh\u00f4ng th\u00edch \u00e1nh s\u00e1ng, ch\u00fang ch\u1ec9 x\u00e2m nh\u1eadp v\u00e0o c\u00e1c k\u1ebb l\u00e1 d\u1eeba non c\u00f2n x\u1ebfp, ch\u01b0a bung ra v\u00e0 g\u00e2y h\u1ea1i b\u1eb1ng c\u00e1ch \u0103n bi\u1ec3u b\u00ec tr\u00ean m\u1eb7t l\u00e1 non theo t\u1eebng h\u00e0ng song song v\u1edbi g\u00e2n ch\u00ednh.<\/p>\n

– Nh\u1eefng v\u1ec7t c\u1eafn ph\u00e1 t\u1ea1o th\u00e0nh nh\u1eefng v\u1ebft c\u00f3 m\u00e0u n\u00e2u, l\u00e0m cho l\u00e1 b\u1ecb cong v\u1eb9o v\u00e0 kh\u00f4 gi\u1ed1ng nh\u01b0 b\u1ecb ch\u00e1y, b\u1ecb r\u00e1ch v\u00e0 c\u00e2y tr\u1edf n\u00ean x\u01a1 x\u00e1c.<\/p>\n

– N\u1ebfu tr\u00ean c\u00e2y c\u00f3 t\u1eeb 8 l\u00e1 b\u1ecb h\u1ea1i th\u00ec n\u0103ng su\u1ea5t gi\u1ea3m, n\u1eb7ng h\u01a1n c\u00e2y c\u00f3 th\u1ec3 b\u1ecb ch\u1ebft.<\/p>\n

* Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/strong><\/p>\n

– Bi\u1ec7n ph\u00e1p c\u01a1 h\u1ecdc:<\/strong>\u00a0Ch\u0103m s\u00f3c t\u1ed1t c\u00e2y d\u1eeba \u0111\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian n\u1edf bung b\u00f3 l\u00e1 ng\u1ecdn, h\u1ea1n ch\u1ebf m\u00f4i tr\u01b0\u1eddng sinh s\u1ea3n c\u1ee7a b\u1ecd c\u00e1nh c\u1ee9ng v\u00e0 t\u0103ng s\u1ee9c \u0111\u1ec1 kh\u00e1ng cho c\u00e2y; c\u1eaft b\u1ecf, ti\u00eau h\u1ee7y l\u00e1 b\u1ecb b\u1ecd c\u00e1nh c\u1ee9ng t\u1ea5n c\u00f4ng. \u0110\u1ed1i v\u1edbi nh\u1eefng c\u00e2y d\u1eeba con trong v\u01b0\u1eddn \u01b0\u01a1m v\u00e0 d\u1eeba m\u1edbi tr\u1ed3ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng \u00edt n\u00ean b\u1eaft th\u1ee7 c\u00f4ng.<\/p>\n

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

+ D\u00f9ng\u00a0Padan 95SP, Actara 25WG, Diaphos 10GR,\u2026\u00a0tr\u1ed9n v\u1edbi m\u1ea1t c\u01b0a t\u00fam v\u00e0o bao v\u1ea3i m\u1ecfng treo \u1edf ng\u1ecdn c\u00e2y \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao v\u00e0 hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ebfn 90 ng\u00e0y.<\/p>\n

+ Actara 25WG b\u01a1m v\u00e0o th\u00e2n c\u00e2y d\u1eeba, c\u00e1ch g\u1ed1c d\u1eeba 1-1,5m. \u0110\u1ee5c l\u1ed5 nghi\u00eang 45 \u0111\u1ed9, s\u00e2u kho\u1ea3ng 3-4cm, b\u01a1m thu\u1ed1c, d\u00f9ng \u0111\u1ea5t s\u00e9t b\u00edt l\u1ed7 l\u1ea1i.<\/p>\n

– Bi\u1ec7n ph\u00e1p sinh h\u1ecdc:<\/strong>\u00a0D\u00f9ng ong k\u00fd sinh, lo\u00e0i ong n\u00e0y c\u00f3 k\u00edch th\u01b0\u1edbc r\u1ea5t nh\u1ecf, c\u00f3 m\u00e0u \u0111en, h\u00fat m\u1eadt hoa v\u00e0 khi \u0111\u1ebb tr\u1ee9ng v\u00e0o b\u00ean trong c\u01a1 th\u1ec3 nh\u1ed9ng c\u1ee7a b\u1ecd c\u00e1nh c\u1ee9ng v\u00e0 cu\u1ed1i c\u00f9ng ti\u00eau di\u1ec7t nh\u1ed9ng.<\/p>\n

    \n
  1. Con \u0110u\u00f4ng d\u1eeba:<\/strong><\/li>\n<\/ol>\n

    \u00a0<\/strong>\u0110u\u00f4ng l\u00e0 c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i nguy hi\u1ec3m nh\u1ea5t b\u1edfi v\u00ec r\u1ea5t kh\u00f3 ph\u00e1t hi\u1ec7n khi n\u00f3 b\u1eaft \u0111\u1ea7u t\u1ea5n c\u00f4ng \u0111\u1ecdt non, \u0111\u1ebfn khi ph\u00e1t hi\u1ec7n ra th\u00ec \u0111\u1ec9nh sinh tr\u01b0\u1edfng \u0111\u00e3 b\u1ecb ph\u00e1 h\u1ee7y, c\u00e2y d\u1eeba ch\u1ebft m\u00e0 kh\u00f4ng th\u1ec3 c\u1ee9u \u0111\u01b0\u1ee3c. Ngo\u00e0i ra, \u0111\u1ed1i v\u1edbi c\u00e2y c\u00f2n t\u01a1 hay c\u00e2y s\u1eafp v\u01b0\u01a1n l\u00f3ng \u0111u\u00f4ng c\u0169ng c\u00f3 th\u1ec5 t\u1ea5n c\u00f4ng \u1edf g\u1ed1c th\u00e2n. Nh\u00ecn chung, c\u00e2y d\u1eeba t\u1eeb 2-15 n\u0103m tu\u1ed5i \u0111\u1ec1u c\u00f3 th\u1ec3 b\u1ecb \u0111u\u00f4ng t\u1ea5n c\u00f4ng nh\u01b0ng c\u00e2y d\u1eeba t\u1eeb 3-6 n\u0103m tu\u1ed5i l\u00e0 giai \u0111o\u1ea1n b\u1eaft \u0111\u1ea7u h\u00ecnh th\u00e0nh g\u1ed1c v\u00e0 th\u00e2n th\u00ec d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng h\u01a1n.<\/p>\n

    \u00a0<\/strong>V\u00f2ng \u0111\u1eddi c\u1ee7a \u0111u\u00f4ng d\u1eeba tr\u1ea3i qua 4 giai \u0111o\u1ea1n l\u00e0 tr\u1ee9ng, \u1ea5u tr\u00f9ng, nh\u1ed9ng v\u00e0 th\u00e0nh tr\u00f9ng. Trong \u0111\u00f3, ch\u1ec9 c\u00f3 \u1ea5u tr\u00f9ng g\u00e2y h\u1ea1i c\u00e2y d\u1eeba.<\/p>\n

    – Tr\u1ee9ng:<\/strong>\u00a0M\u1ed9t con \u0111u\u00f4ng c\u00e1i c\u00f3 th\u1ec3 \u0111\u1ebb trung b\u00ecnh 240 tr\u1ee9ng, tr\u1ee9ng n\u1edf sau 3-5 ng\u00e0y. N\u00f3 \u0111\u1ebb tr\u1ee9ng tr\u00ean v\u1ebft n\u1ee9t, n\u01a1i b\u1ecb t\u1ed5n th\u01b0\u01a1ng c\u1ee7a th\u00e2n v\u00e0 ng\u1ecdn c\u00e2y g\u00e2y ra b\u1edfi con ng\u01b0\u1eddi, \u0111\u1ed9ng v\u1eadt kh\u00e1c ho\u1eb7c c\u00f4n tr\u00f9ng, v\u00ed d\u1ee5 nh\u01b0 ki\u1ebfn v\u01b0\u01a1ng… Tr\u1ee9ng c\u00f3 m\u00e0u kem v\u00e0 h\u01a1i d\u00e0i.<\/p>\n

    – \u1ea4u tr\u00f9ng:<\/strong>\u00a0Giai \u0111o\u1ea1n g\u00e2y h\u1ea1i c\u1ee7a \u0111u\u00f4ng. \u1ea4u tr\u00f9ng c\u00f3 m\u00e0u kem, \u0111\u00e0n h\u1ed3i v\u00e0 d\u00e0i, kh\u00f4ng ch\u00e2n v\u1edbi \u0111\u1ea7u m\u00e0u n\u00e2u. \u1ea4u tr\u00f9ng \u0103n c\u00e2y d\u1eeba \u0111\u1ec3 s\u1ed1ng trong v\u00f2ng 50 ng\u00e0y.<\/p>\n

    – Nh\u1ed9ng:<\/strong>\u00a0Nh\u1ed9ng n\u1eb1m trong 1 c\u00e1i k\u00e9n l\u00e0m b\u1eb1ng m\u00f4 g\u1ed7 d\u1eeba (ph\u1ea7n m\u1ec1m g\u1ea7n v\u1ecf c\u00e2y). Sau 19 ng\u00e0y ph\u00e1t tri\u1ec3n th\u00e0nh th\u00e0nh tr\u00f9ng.<\/p>\n

    – Th\u00e0nh tr\u00f9ng:<\/strong>\u00a0C\u00f3 m\u00e0u n\u00e2u h\u01a1i \u0111\u1ecf ho\u1eb7c m\u00e0u \u0111en. C\u00f3 m\u1ed9t c\u00e1i s\u1eebng d\u00e0i v\u1edbi m\u0169i s\u1eebng h\u01a1i cong xu\u1ed1ng. Th\u00e0nh tr\u00f9ng s\u1ed1ng \u0111u\u1ee3c 3-4 th\u00e1ng. V\u00f2ng \u0111\u1eddi c\u1ee7a \u0111u\u00f4ng l\u00e0 195 ng\u00e0y t\u1eeb tr\u1ee9ng \u0111\u1ebfn khi tr\u01b0\u1edfng th\u00e0nh<\/p>\n

    – Con \u0111u\u00f4ng tr\u01b0\u1edfng th\u00e0nh \u0111\u1ebb tr\u1ee9ng tr\u00ean th\u00e2n d\u1eeba b\u1ecb th\u01b0\u01a1ng v\u00e0 tr\u00ean nh\u1eefng v\u1ebft n\u1ee9t c\u1ee7a th\u00e2n. Khi tr\u1ee9ng n\u1edf, \u1ea5u tr\u00f9ng kho\u00e9t nh\u1eefng l\u1ed5 nh\u1ecf tr\u00ean th\u00e2n ho\u1eb7c tr\u00ean ng\u1ecdn c\u00e2y. Ch\u00fang \u0103n theo m\u1ecdi h\u01b0\u1edbng th\u1eadm ch\u00ed kho\u00e9t nh\u1eefng l\u1ed5 l\u1edbn v\u00e0 s\u00e2u h\u01a1n. Nh\u1eefng \u0111i\u1ec3m b\u1ecb \u0111u\u00f4ng t\u1ea5n c\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 l\u1ea1i x\u00e1c b\u1ea3 c\u1ee7a c\u00e1c g\u1ed7 d\u1eeba v\u00e0 nh\u1ef1a m\u00e0u n\u00e2u h\u01a1i \u0111\u1ecf. Khi \u1ea5u tr\u00f9ng b\u1eaft \u0111\u1ea7u t\u1ea5n c\u00f4ng v\u00e0 \u0103n \u0111\u1ecdt d\u1eeba, nh\u1eefng l\u00e1 non b\u1eaft \u0111\u1ea7u h\u00e9o v\u00e0 ng\u00e3 xu\u1ed1ng, b\u00e1o hi\u1ec7u c\u00e2y d\u1eeba s\u1eafp ch\u1ebft.<\/p>\n

    * Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/strong><\/p>\n

    – Khi x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nh\u1eefng \u0111i\u1ec3m t\u1ea5n c\u00f4ng c\u1ee7a \u0111u\u00f4ng tr\u00ean c\u00e2y d\u1eeba. C\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh ph\u00f2ng tr\u1eeb b\u1eb1ng c\u00e1ch khoan s\u00e2u v\u00e0o th\u00e2n c\u00e2y kho\u1ea3ng 10-25cm h\u01b0\u1edbng l\u1ec7ch xu\u1ed1ng 15cm b\u00ean tr\u00ean v\u00f9ng b\u1ecb t\u1ea5n c\u00f4ng. C\u00f3 th\u1ec3 khoan 1- 2 l\u1ed5 \u1edf m\u1ed7i \u0111i\u1ec3m b\u1ecb \u0111u\u00f4ng t\u1ea5n c\u00f4ng. Sau \u0111\u00f3 cho v\u00e0o l\u1ed5 khoan c\u00e1c lo\u1ea1i thu\u1ed1c tr\u1eeb s\u00e2u nh\u01b0 Vibasu 10GR. B\u1ecbt k\u00edn l\u1ed7 l\u1ea1i b\u1eb1ng \u0111\u1ea5t s\u00e9t. Sau 3-4 ng\u00e0y, ki\u1ec3m tra hi\u1ec7u qu\u1ea3 c\u1ee7a thu\u1ed1c b\u1eb1ng c\u00e1ch k\u1ec1 tai v\u00e0o th\u00e2n d\u1eeba, n\u1ebfu v\u1eabn nghe ti\u1ebfng r\u1ea1o r\u1ea1o v\u00e0 nh\u1ef1a m\u1edbi t\u1eeb th\u00e2n ti\u1ebfp t\u1ee5c ch\u1ea3y ra th\u00ec n\u00ean x\u1eed l\u00fd thu\u1ed1c l\u1ea1i l\u1ea7n hai, n\u1ebfu \u0111u\u00f4ng \u0111\u00e3 ch\u1ebft kh\u00f4ng c\u00f2n g\u00e2y h\u1ea1i th\u00ec c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ea5t s\u00e9t b\u1ecbt k\u00edn l\u1ed7 l\u1ea1i hay h\u00e0n k\u00edn c\u00e1c l\u1ed7 l\u1ea1i v\u0129nh vi\u1ec5n b\u1eb1ng m\u1ed9t m\u00e3nh g\u1ed7 c\u00f3 chi\u1ec1u r\u1ed9ng v\u00e0 chi\u1ec1u s\u00e2u h\u01a1i l\u1edbn h\u01a1n k\u00edch th\u01b0\u1edbc c\u1ee7a l\u1ed7. Th\u00eam v\u00e0o \u0111\u00f3 l\u1eafp c\u00e1c l\u1ed7 l\u1ea1i v\u00e0 s\u01a1n c\u00e1c v\u1ebft s\u1eb9o th\u00e2n b\u1eb1ng m\u1ed9t lo\u1ea1i b\u1ed9t than.<\/p>\n

    – Nh\u1eb1m ng\u0103n c\u1ea3n s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a \u0111u\u00f4ng c\u1ea7n tr\u00e1nh nh\u1eefng t\u1ed5n th\u01b0\u01a1ng tr\u00ean th\u00e2n d\u1eeba, l\u00e0 n\u01a1i t\u1ea1o ch\u1ed5 \u0111\u1ebb tr\u1ee9ng cho \u0111u\u00f4ng. D\u00f9ng b\u1ed9t than \u0111\u1ec3 s\u01a1n l\u00ean c\u00e1c v\u1ebft th\u01b0\u01a1ng c\u1ee7a c\u00e2y con. Ki\u1ec3m so\u00e1t ki\u1ebfn v\u01b0\u01a1ng b\u1edfi v\u00ec c\u00e1c \u0111i\u1ec3m t\u1ea5n c\u00f4ng c\u1ee7a ki\u1ebfn v\u01b0\u01a1ng c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh n\u01a1i \u0111\u1ebb tr\u1ee9ng cho \u0111u\u00f4ng. \u0110\u1ed1n v\u00e0 \u0111\u1ed1t nh\u1eefng c\u00e2y d\u1eeba \u0111\u00e3 b\u1ecb \u1ea3nh h\u01b0\u1edfng n\u1eb7ng c\u1ee7a \u0111u\u00f4ng v\u00e0 gi\u1ebft nh\u1eefng c\u00f4n tr\u00f9ng \u1edf t\u1ea5t c\u1ea3 nh\u1eefng giai \u0111o\u1ea1n kh\u00e1c nhau. Lo\u1ea1i b\u1ecf x\u00e1c c\u00e2y d\u1eeba non, g\u1ed1c d\u1eeba \u0111\u00e3 ch\u1ebft, n\u01a1i c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh ch\u1ed5 \u0111\u1ebb tr\u1ee9ng c\u1ee7a \u0111u\u00f4ng. Th\u0103m v\u00e0 ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ph\u00e1t hi\u1ec7n k\u1ecbp th\u1eddi s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a \u0111u\u00f4ng. B\u1eaft \u0111u\u00f4ng v\u00e0 c\u00e1c c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i kh\u00e1c \u1edf giai \u0111o\u1ea1n ph\u00e1 ho\u1ea1i ch\u1ee7 y\u1ebfu c\u1ee7a ch\u00fang v\u00e0 s\u01a1n ph\u1ee7 c\u00e1c v\u1ebft s\u01a1n b\u1eb1ng m\u1ed9t l\u1edbp b\u1ed9t than.<\/p>\n

      \n
    1. S\u00e2u n\u00e1i\u00a0:<\/strong>Kh\u00e1c v\u1edbi con b\u1ecd d\u1eeba, s\u00e2u n\u00e1i \u0103n l\u00e1 d\u1eeba gi\u00e0, tr\u01b0\u1eddng h\u1ee3p g\u00e2y h\u1ea1i n\u1eb7ng t\u00e1n l\u00e1 tr\u1edf n\u00ean x\u01a1 x\u00e1c, c\u00e2y kh\u00f4ng quang h\u1ee3p \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ebfn gi\u1ea3m n\u0103ng su\u1ea5t d\u1eeba.<\/li>\n<\/ol>\n

      – Tr\u1ee9ng:<\/strong>\u00a0tr\u01a1n la\u0301ng co\u0301 hi\u0300nh tro\u0300n ho\u0103\u0323c b\u00e2\u0300u du\u0323c, th\u01b0\u01a1\u0300ng \u0111\u01b0\u01a1\u0323c \u0111e\u0309 \u01a1\u0309 m\u0103\u0323t d\u01b0\u01a1\u0301i la\u0301, tha\u0300nh t\u01b0\u0300ng nho\u0301m t\u01b0\u0300 10-20 tr\u01b0\u0301ng.<\/p>\n

      – \u1ea4u tr\u00f9ng:<\/strong>\u00a0\u00a0Ma\u0300u xanh la\u0301 c\u00e2y, co\u0301 ki\u0301ch th\u01b0\u01a1\u0301c l\u01a1\u0301n, da\u0300i khoa\u0309ng 25-30 mm, c\u00f3 nhi\u1ec1u ch\u00f9m l\u00f4ng s\u1eafp x\u1ebfp \u0111\u1ec1u \u0111\u1eb7n d\u1ecdc theo th\u00e2n s\u00e2u, 4 ch\u00f9m l\u00f4ng \u1edf g\u1ea7n \u0111\u1ea7u v\u00e0 ph\u00eda sau \u0111u\u00f4i m\u00e0u \u0111\u1ecf v\u00e0 ng\u1eafn.<\/p>\n

      – Nh\u00f4\u0323ng:<\/strong>\u00a0da\u0300i khoa\u0309ng 15 mm, \u0111\u01b0\u01a1\u0323c bao bo\u0323c b\u01a1\u0309i ke\u0301n ma\u0300u n\u00e2u, b\u00ean ngoa\u0300i phu\u0309 m\u00f4\u0323t l\u01a1\u0301p t\u01a1 tr\u0103\u0301ng.<\/p>\n

      –\u00a0Th\u00e0nh tr\u00f9ng<\/strong>:\u00a0la\u0300 m\u00f4\u0323t loa\u0300i b\u01b0\u01a1\u0301m ma\u0300u xanh la\u0301 c\u00e2y,\u00a0c\u00f3 m\u1ed9t \u0111\u1ed1m m\u00e0u n\u00e2u \u1edf g\u1ea7n c\u1ea1nh tr\u01b0\u1edbc v\u00e0 d\u1ecdc c\u1ea1nh ngo\u00e0i c\u1ee7a c\u00e1nh tr\u01b0\u1edbc v\u00e0 c\u00e1nh sau c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng vi\u1ec1n l\u1edbn m\u00e0u n\u00e2u nh\u1ea1t v\u1edbi \u0111\u01b0\u1eddng vi\u1ec1n m\u00e0u n\u00e2u \u0111\u1eadm \u1edf ph\u00eda ng\u00a0o\u00e0i.<\/p>\n

      – Giai \u0111oa\u0323n tr\u01b0\u0301ng khoa\u0309ng 7 nga\u0300y, giai \u0111oa\u0323n s\u00e2u non 40 -45 nga\u0300y, giai \u0111oa\u0323n nh\u00f4\u0323ng 30-45 nga\u0300y, giai \u0111oa\u0323n tr\u01b0\u01a1\u0309ng tha\u0300nh 7-10 nga\u0300y.<\/p>\n

      –\u00a0Giai \u0111o\u1ea1n \u1ea5u tr\u00f9ng l\u00e0 giai \u0111o\u1ea1n ph\u00e1 ho\u1ea1i ch\u1ee7 y\u1ebfu c\u1ee7a lo\u00e0i s\u00e2u n\u00e0y. \u1ede giai \u0111o\u1ea1n \u0111\u1ea7u \u1ea5u tr\u00f9ng \u0103n l\u1edbp bi\u1ec3u b\u00ec b\u00ean d\u01b0\u1edbi c\u1ee7a l\u00e1. \u0110\u1ebfn khi gi\u00e0 ch\u00fang \u0103n to\u00e0n b\u1ed9 phi\u1ebfn l\u00e1 ch\u1ec9 \u0111\u1ec3 l\u1ea1i g\u00e2n l\u00e1. N\u1ebfu g\u00e2y h\u1ea1i n\u1eb7ng \u1ea5u tr\u00f9ng c\u00f3 th\u1ec3 l\u00e0m r\u1ee5ng l\u00e1.\u00a0Ban ng\u00e0y s\u00e2u n\u1eb1m b\u1ea5t \u0111\u1ed9ng \u1edf m\u1eb7t d\u01b0\u1edbi l\u00e1. S\u00e2u r\u1ea5t ng\u1ee9a khi ch\u1ea1m ph\u1ea3i v\u00ec c\u00e1c l\u00f4ng nh\u1ecdn v\u00e0 d\u1ec5 g\u00e3y trong da, ch\u1ed5 g\u00e3y c\u1ee7a l\u00f4ng s\u1ebd ti\u1ebft ra ch\u1ea5t \u0111\u1ed9c g\u00e2y ng\u01b0\u0301a ho\u0103\u0323c ca\u0309m gia\u0301c no\u0301ng bo\u0309ng, ra\u0301t khi ti\u00ea\u0301p xu\u0301c v\u01a1\u0301i da ng\u01b0\u01a1\u0300i.<\/p>\n

      * Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/strong>\u00a0Ph\u00f2ng tr\u1eeb s\u00e2u n\u00e1i r\u1ea5t kh\u00f3 kh\u0103n, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c c\u00e2y d\u1eeba cao. Tuy nhi\u00ean, n\u1ebfu \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p sau \u0111\u00e2y c\u00f3 th\u1ec3 gi\u1ea3m t\u1ed1i thi\u1ec3u t\u00e1c h\u1ea1i c\u1ee7a s\u00e2u n\u00e1i:<\/p>\n

      – Bi\u1ec7n ph\u00e1p sinh h\u1ecdc<\/strong>: S\u1eed d\u1ee5ng c\u00f4n tr\u00f9ng k\u00fd sinh nh\u01b0 l\u00e0 ru\u1ed3i v\u00e0 ong b\u1eafp c\u00e0y gi\u1ea3m t\u1ed1i thi\u1ec3u s\u1ef1 g\u00e2y h\u1ea1i c\u1ee7a s\u00e2u n\u00e1i. Ch\u00fang \u0111\u1ebb tr\u1ee9ng tr\u00ean \u1ea5u tr\u00f9ng v\u00e0 nh\u1ed9ng c\u1ee7a s\u00e2u n\u00e1i. Khi nh\u1eefng con s\u00e2u non nh\u00f4 ra kh\u1ecfi tr\u1ee9ng, s\u1ebd l\u00e0m m\u1ed3i cho nh\u1eefng con c\u00f4n tr\u00f9ng k\u00fd sinh n\u00e0y.<\/p>\n

      \u00a0Ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng canh t\u00e1c:<\/strong>\u00a0S\u1eed d\u1ee5ng m\u00e1y k\u00e9o \u0111\u1ec3 c\u00e0y x\u1edbi \u0111\u1ea5t ti\u00eau di\u1ec7t c\u00e1c k\u00e9n c\u1ee7a lo\u00e0i s\u00e2u n\u00e0y.<\/p>\n

      – Bi\u1ec7n ph\u00e1p c\u01a1 h\u1ecdc:<\/strong>\u00a0\u0110\u1ed1i v\u1edbi d\u1eeba nh\u1ecf, b\u1eaft v\u00e0 gi\u1ebft c\u00e1c con s\u00e2u kh\u00f4ng g\u00e2y ng\u1ee9a v\u00e0 k\u00e9n c\u1ee7a n\u00f3 \u0111\u1ec3 gi\u1ea3m qu\u1ea7n th\u1ec3 s\u00e2u n\u00e1i \u0111\u1ebfn m\u1ed9t m\u1ee9c \u0111\u1ed9 kh\u00f4ng g\u00e2y h\u1ea1i kinh t\u1ebf cho d\u1eeba. Khi b\u1eaft s\u00e2u n\u00e1i n\u00ean \u0111eo bao tay v\u00ec g\u00e2y ng\u1ee9a khi ti\u1ebfp x\u00fac. Nh\u1eefng con b\u01b0\u1edbm tr\u01b0\u1edfng th\u00e0nh l\u00e0 nh\u1eefng c\u00f4n tr\u00f9ng bay \u0111\u00eam, ch\u00fang b\u1ecb thu h\u00fat b\u1edfi \u00e1nh s\u00e1ng. V\u00ec v\u1eady, d\u00f9ng b\u1eaby \u00e1nh s\u00e1ng l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p c\u00f3 hi\u1ec7u qu\u1ea3. C\u00e1c b\u1eaby n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t \u1edf ngo\u00e0i \u0111\u1ed3ng khi c\u00e1c con b\u01b0\u1edbm tr\u01b0\u1edfng th\u00e0nh b\u1eaft \u0111\u1ea7u chui ra kh\u1ecfi k\u00e9n. \u0110\u1eb7t kho\u1ea3ng 10 b\u1eaby \u0111\u00e8n cho 1ha l\u00e0 h\u1ee3p l\u00fd.<\/p>\n

      \u00a0Bi\u1ec7n ph\u00e1p h\u00f3a h\u1ecdc:<\/strong>\u00a0\u01a0\u0309 nh\u01b0\u0303ng vu\u0300ng s\u00e2u na\u0301i xu\u00e2\u0301t hi\u00ea\u0323n m\u00e2\u0323t \u0111\u00f4\u0323 cao, co\u0301 th\u00ea\u0309 phun thu\u00f4\u0301c g\u00f4\u0301c Cu\u0301c t\u00f4\u0309ng h\u01a1\u0323p nh\u01b0 Sherpa 25EC, Map-Permethrin 50EC, Cyperan 10EC,\u2026<\/p>\n

      4.Ki\u1ebfn v\u01b0\u01a1ng :<\/strong><\/p>\n

      Ki\u1ebfn v\u01b0\u01a1ng l\u00e0 m\u1ed9t lo\u1ea1i c\u00f4n tr\u00f9ng ph\u1ed5 bi\u1ebfn v\u00e0 g\u00e2y thi\u1ec7t h\u1ea1i nhi\u1ec1u nh\u1ea5t cho c\u00e2y d\u1eeba. Th\u00e0nh tr\u00f9ng t\u1ea5n c\u00f4ng c\u00e2y d\u1eeba \u1edf \u0111\u1ee7 m\u1ecdi l\u1ee9a tu\u1ed5i, \u0103n c\u00e1c l\u00e1 non \u0111ang ph\u00e1t tri\u1ec3n, \u0111\u1ee5c v\u00e0o ch\u1ed3i v\u00e0 \u0111\u1ec9nh t\u0103ng tr\u01b0\u1edfng c\u1ee7a d\u1eeba, tr\u01b0\u1eddng h\u1ee3p n\u1eb7ng c\u00f3 th\u1ec3 g\u00e2y ch\u1ebft c\u00e2y d\u1eeba.<\/p>\n

      Ki\u1ebfn v\u01b0\u01a1ng tr\u1ea3i qua 4 giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n: tr\u1ee9ng, \u1ea5u tr\u00f9ng, nh\u1ed9ng v\u00e0 th\u00e0nh tr\u00f9ng:<\/p>\n

      – Tr\u1ee9ng:<\/strong>\u00a0Ki\u1ebfn v\u01b0\u01a1ng \u0111\u1ebb tr\u1ee9ng trong nh\u1eefng th\u00e2n d\u1eeba v\u00e0 g\u1ed1c d\u1eeba m\u1ee5c, \u1ea9m, \u0111\u1ed1ng r\u00e1c, ph\u00e2n tr\u00e2u b\u00f2, r\u01a1m m\u1ee5c, th\u00e2n b\u1eafp, l\u00e1 m\u00eda\u2026 Tr\u1ee9ng c\u00f3 h\u00ecnh tr\u00f2n, m\u00e0u tr\u1eafng, c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 3-4mm. Sau 7-18 ng\u00e0y tr\u1ee9ng ph\u00e1t tri\u1ec3n th\u00e0nh \u1ea5u tr\u00f9ng.<\/p>\n

      – \u1ea4u tr\u00f9ng:<\/strong>\u00a0\u1ea4u tr\u00f9ng ki\u1ebfn v\u01b0\u01a1ng c\u00f3 m\u00e0u tr\u1eafng \u0111\u1ee5c, th\u01b0\u1eddng g\u1eadp cong th\u00e2n l\u1ea1i v\u1edbi \u0111\u1ea7u m\u00e0u n\u00e2u v\u00e0 mang 3 \u0111\u00f4i ch\u00e2n. \u1ea4u tr\u00f9ng ph\u00e1t tri\u1ec3n \u0111\u1ea7y \u0111\u1ee7 c\u00f3 k\u00edch th\u01b0\u1edbc t\u1eeb 60-105mm.<\/p>\n

      – Nh\u1ed9ng<\/strong>: Nh\u1ed9ng c\u00f3 m\u00e0u n\u00e2u nh\u1ea1t, \u0111\u01b0\u1ee3c bao ph\u1ee7 b\u1edfi m\u1ed9t c\u00e1i k\u00e9n l\u00e0m t\u1eeb \u0111\u1ea5t v\u00e0 x\u01a1 d\u1eeba. Nh\u1ed9ng ph\u00e1t tri\u1ec3n trong k\u00e9n t\u1eeb 14-29 ng\u00e0y.<\/p>\n

      – Th\u00e0nh tr\u00f9ng:<\/strong>\u00a0\u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n g\u00e2y h\u1ea1i c\u1ee7a ki\u1ebfn v\u01b0\u01a1ng. Th\u00e0nh tr\u00f9ng c\u00f3 m\u00e0u \u0111en h\u01a1i n\u00e2u v\u1edbi 1 c\u00e1i s\u1eebng t\u01b0\u01a1ng \u0111\u1ed1i d\u00e0i \u1edf tr\u00ean \u0111\u1ea7u cong v\u1ec1 ph\u00eda sau. Th\u00e0nh tr\u00f9ng c\u00f3 th\u1ec3 s\u1ed1ng \u0111\u01b0\u1ee3c 4 th\u00e1ng. M\u1ed9t con c\u00e1i c\u00f3 th\u1ec3 \u0111\u1ebb t\u1eeb 70-140 tr\u1ee9ng. Ki\u1ebfn v\u01b0\u01a1ng th\u01b0\u1eddng \u0103n ch\u1ed3i v\u00e0 l\u00e1 ch\u01b0a t\u00e1ch trong b\u00f3 l\u00e1 ng\u1ecdn.<\/p>\n

      – \u0110\u1ed1i v\u1edbi c\u00e2y d\u01b0\u1edbi 1 n\u0103m tu\u1ed5i ki\u1ebfn v\u01b0\u01a1ng lu\u00f4n t\u1ea5n c\u00f4ng v\u00e0o g\u1ed1c c\u1ee7a c\u00e2y n\u01a1i th\u00e2n c\u00f2n \u0111\u1ee7 m\u1ec1m. Trong m\u1ed9t v\u00e0i tr\u01b0\u1eddng h\u1ee3p, ki\u1ebfn v\u01b0\u01a1ng c\u0169ng chui qua \u0111\u1ea5t \u0111\u1ec3 kho\u00e9t v\u00e0o th\u00e2n c\u00e2y. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 ph\u00f2ng b\u1eb1ng c\u00e1ch r\u1ea3i thu\u1ed1c tr\u1eeb s\u00e2u tr\u1ed9n v\u00e0o l\u1edbp \u0111\u1ea5t m\u1eb7t. \u0110\u1ed1i v\u1edbi c\u00e2y d\u1eeba tr\u01b0\u1edfng th\u00e0nh ki\u1ebfn v\u01b0\u01a1ng t\u1ea5n c\u00f4ng v\u00e0o b\u00f3 l\u00e1 ng\u1ecdn v\u00e0 \u0111\u1ec9nh t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u00e2y d\u1eeba. V\u00ec v\u1eady khi l\u00e1 m\u1ecdc ra c\u00f3 h\u00ecnh tam gi\u00e1c v\u00e0 l\u00e1 ch\u00e9t b\u1ecb c\u1eaft c\u00f3 h\u00ecnh r\u0103ng l\u01b0\u1ee3c. N\u1ebfu li\u00ean t\u1ee5c b\u1ecb t\u1ea5n c\u00f4ng c\u00e2y s\u1ebd m\u1ea5t s\u1ee9c ph\u00e1t tri\u1ec3n do b\u1ed9 l\u00e1 b\u1ecb h\u01b0 h\u1ea1i, nh\u01b0ng nguy hi\u1ec3m nh\u1ea5t ch\u00ednh l\u00e0 \u0111u\u00f4ng, n\u1ea5m s\u1ebd x\u00e2m nh\u1eadp v\u00e0o th\u00e2n d\u1eeba qua ch\u1ed5 v\u1ebft th\u01b0\u01a1ng do ki\u1ebfn v\u01b0\u01a1ng g\u00e2y ra.<\/p>\n

      * Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/strong><\/p>\n

      – V\u1ec7 sinh v\u01b0\u1eddn:<\/strong>\u00a0V\u1ec7 sinh c\u00e2y kh\u00f4ng \u0111\u1ec3 ch\u1ed5 cho ki\u1ebfn v\u01b0\u01a1ng g\u00e2y h\u1ea1i. Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3, b\u1eaft b\u1eb1ng tay. D\u1ecdn d\u1eb9p ho\u1eb7c \u0111\u1ed1t nh\u1eefng \u0111\u1ed1ng r\u00e1c, th\u00e2n, l\u00e1 d\u1eeba hoai m\u1ee5c,.. kh\u00f4ng t\u1ea1o m\u00f4i tr\u01b0\u1eddng cho ki\u1ebfn v\u01b0\u01a1ng \u0111\u1ebb tr\u1ee9ng.<\/p>\n

      – Bi\u1ec7n ph\u00e1p sinh h\u1ecdc:\u00a0S\u1eed d\u1ee5ng<\/strong>\u00a0n\u1ea5m\u00a0Metarhizium anisopliae<\/em>\u00a0(Ometar 1.2 x 109<\/sup>\u00a0b\u00e0o t\u1eed\/g) k\u00fd sinh v\u00e0o c\u00f4n tr\u00f9ng.<\/p>\n

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

      – \u00a0D\u00f9ng m\u1ea1t c\u01b0a tr\u1ed9n v\u1edbi Regent 0,3GR ho\u1eb7c Vibasu 10GR \u2026 r\u1ea3i l\u00ean c\u00e1c n\u00e1ch l\u00e1 \u0111\u1ecdt v\u00e0i th\u00e1ng m\u1ed9t l\u1ea7n.<\/p>\n

      – D\u00f9ng 1 \u0111o\u1ea1n l\u01b0\u1edbi c\u01b0\u1edbc (l\u01b0\u1edbi b\u00e9n) c\u1ee1 m\u1eaft l\u01b0\u1edbi 2 cm, d\u00e0i 3 m x r\u1ed9ng 0,6m, qu\u1ea5n k\u00edn kho\u1ea3ng 5-6 k\u1ebb b\u1eb9 l\u00e1 ng\u1ecdn, khi ki\u1ebfn v\u01b0\u01a1ng bay v\u00e0o s\u1ebd b\u1ecb v\u01b0\u1edbng l\u01b0\u1edbi ch\u1ebft.<\/p>\n

      – N\u1ebfu ph\u00e1t hi\u1ec7n c\u00f3 ki\u1ebfn v\u01b0\u01a1ng t\u1ea5n c\u00f4ng d\u1eeba, d\u00f9ng Regent, Vibasu k\u1ebft h\u1ee3p Aliette b\u01a1m v\u00e0o c\u00e1c l\u1ed7 \u0111\u1ee5c.<\/p>\n

        \n
      1. B\u1ecd x\u00edt tr\u00e1i:\u00a0<\/strong>L\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y r\u1ee5ng tr\u00e1i non v\u00e0 d\u1eeba m\u1ee7.<\/li>\n<\/ol>\n

        B\u1ecd x\u00edt ch\u00edch h\u00fat v\u00e0o tr\u00e1i non (t\u1eeb 3 \u0111\u1ebfn 5 th\u00e1ng tu\u1ed5i) v\u00e0 ti\u1ebft \u0111\u1ed9c t\u1ed1 v\u00e0o v\u1ebft ch\u00edch, l\u00e0m cho v\u00f9ng m\u00f4 chung quanh b\u1ecb ch\u1ebft, t\u1ea1o c\u00e1c v\u1ebft m\u00e0u \u0111en d\u1ea1ng h\u00ecnh thoi x\u1ebfp kh\u00edt nhau, l\u00e0m tr\u00e1i non b\u1ecb ch\u1ea3y m\u1ee7 v\u00e0 r\u1ee5ng s\u1edbm, ho\u1eb7c ph\u00e1t tri\u1ec3n nh\u1ecf h\u01a1n b\u00ecnh th\u01b0\u1eddng, b\u1ecb nh\u0103n nheo, m\u00e9o m\u00f3, gi\u1ea3m n\u0103ng su\u1ea5t v\u00e0 gi\u00e1 tr\u1ecb th\u01b0\u01a1ng ph\u1ea9m.<\/p>\n

        * Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/em><\/strong><\/p>\n

        – V\u1ec7 sinh v\u01b0\u1eddn cho th\u00f4ng tho\u00e1ng, kh\u00f4ng tr\u1ed3ng qu\u00e1 d\u00e0y.<\/p>\n

        – Nu\u00f4i ki\u1ebfn v\u00e0ng trong v\u01b0\u1eddn d\u1eeba, v\u00ec ki\u1ebfn v\u00e0ng l\u00e0 thi\u00ean \u0111\u1ecbch tr\u1ecb b\u1ecd x\u00edt r\u1ea5t h\u1eefu hi\u1ec7u.<\/p>\n

        – Khi b\u1ecb b\u1ecd x\u00edt ph\u00e1 h\u1ea1i nhi\u00ea\u0300u, co\u0301 th\u00ea\u0309 s\u01b0\u0309 du\u0323ng ca\u0301c loa\u0323i thu\u00f4\u0301c nho\u0301m cu\u0301c t\u00f4\u0309ng h\u01a1\u0323p nh\u01b0: Fastac 5EC, Sherbush 25EC, Karate 2.5EC,\u2026\u00a0 \u0111\u1ec3 phun x\u1ecbt.<\/p>\n

          \n
        1. B\u1ecd v\u00f2i voi\u00a0<\/strong>:<\/li>\n<\/ol>\n

          \u00a0–<\/em><\/strong>\u00a0Tr\u1ee9ng:<\/em><\/strong>\u00a0Tr\u1ee9ng \u0111\u01b0\u1ee3c \u0111\u1ebb trong khe n\u1ee9t, r\u00e3nh \u1edf ph\u1ea7n cu\u1ed1i c\u1ee7a r\u1ec5 ph\u1ee5, \u1edf g\u1ed1c th\u00e2n c\u00e2y, ho\u1eb7c tr\u00ean hoa, tr\u00ean cu\u1ed1ng hoa, cu\u1ed1ng tr\u00e1i. Tr\u1ee9ng m\u00e0u tr\u1eafng trong, d\u00e0i 1-1,1 mm. Giai\u00a0\u00a0\u0111o\u1ea1n tr\u1ee9ng 6-10 ng\u00e0y.<\/p>\n

          –\u00a0<\/em><\/strong>\u00a0\u1ea4u tr\u00f9ng:<\/em><\/strong>\u00a0\u1ea4u tr\u00f9ng m\u00e0u v\u00e0ng l\u1ee3t, c\u00f3 5 tu\u1ed5i. Tu\u1ed5i 1: 1-2 mm; tu\u1ed5i 2: 2.1-2.6 mm; tu\u1ed5i 3: 3.3-4.0 mm; tu\u1ed5i 4: 4.2-5.5 mm; tu\u1ed5i 5: 5.8-7.2 mm. \u1ea4u tr\u00f9ng s\u1ed1ng b\u1eb1ng c\u00e1ch\u00a0\u00a0\u0111\u1ee5c th\u00e0nh \u0111\u01b0\u1eddng h\u1ea7m trong v\u1ecf tr\u00e1i.<\/p>\n

          –<\/em><\/strong>\u00a0Nh\u1ed9ng<\/strong>\u00a0tr\u1ea7n, kh\u00f4ng t\u1ea1o k\u00e9n, m\u00e0u tr\u1eafng \u0111\u1ee5c. Chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3 kho\u1ea3ng 6.7-7.2 mm. H\u00f3a nh\u1ed9ng trong c\u00e1c \u0111\u01b0\u1eddng \u0111\u1ee5c c\u1ee7a m\u00f4 c\u00e2y. Giai \u0111o\u1ea1n nh\u1ed9ng 10-16 ng\u00e0y<\/p>\n

          – Tr\u01b0\u1edfng th\u00e0nh:<\/em><\/strong>\u00a0Tr\u01b0\u1edfng\u00a0\u00a0th\u00e0nh v\u00f2i voi l\u00e0 c\u00f4n tr\u00f9ng b\u1ed9 c\u00e1nh c\u1ee9ng m\u00e0u n\u00e2u \u0111en. C\u00e1nh\u00a0\u00a0tr\u01b0\u1edbc c\u00f3 2 \u0111\u1ed1m v\u00e0ng \u1edf \u0111\u1ea7u c\u00e1nh v\u00e0 cu\u1ed1i c\u00e1nh. Tr\u01b0\u1edfng th\u00e0nh s\u1ee3 \u00e1nh s\u00e1ng, ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh l\u00fac chi\u1ec1u t\u1ed1i, ch\u00fang s\u1ed1ng \u1edf n\u01a1i ti\u1ebfp x\u00fac gi\u1eefa hai tr\u00e1i ho\u1eb7c g\u1ea7n cu\u1ed1ng tr\u00e1i. Chi\u1ec1u\u00a0\u00a0d\u00e0i con tr\u01b0\u1edfng th\u00e0nh kho\u1ea3ng 7-8 mm, chi\u1ec1u ngang kho\u1ea3ng 1.5 mm.<\/p>\n

          – Tr\u00e1i d\u1eeba b\u1ecb h\u1ea1i th\u01b0\u1eddng c\u00f3 3-5 con b\u1ecd v\u00f2i voi tr\u01b0\u1edfng th\u00e0nh. Tr\u00e1i b\u1ecb h\u1ea1i c\u00f3 nhi\u1ec1u v\u1ebft nh\u1ef1a ch\u1ea3y ra t\u1eeb v\u1ebft \u0111\u1ee5c, t\u1eadp trung quanh cu\u1ed1ng tr\u00e1i. Nh\u1ef1a m\u00e0u trong su\u1ed1t sau\u00a0\u00a0\u0111\u00f3 chuy\u1ec3n sang m\u00e0u v\u00e0ng, v\u00e0ng n\u00e2u v\u00e0 kh\u00f4 c\u1ee9ng.<\/p>\n

          – T\u1ea1i n\u01a1i v\u1ebft nh\u1ef1a ch\u1ea3y ra th\u01b0\u1eddng c\u00f3 ph\u00e2n \u0111i k\u00e8m (c\u00f3 th\u1ec3 do ph\u00e2n \u1ea5u tr\u00f9ng th\u1ea3i ra). \u1ea4u\u00a0\u00a0tr\u00f9ng g\u00e2y\u00a0\u00a0h\u1ea1i\u00a0\u00a0b\u1eb1ng c\u00e1ch \u0111\u1ee5c v\u00e0o v\u1ecf tr\u00e1i, ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ee5c v\u00e0o\u00a0\u00a0t\u1edbi g\u00e1o d\u1eeba (giai \u0111o\u1ea1n tr\u00e1i non). N\u1ebfu tr\u00e1i d\u1eeba b\u1ecb nhi\u1ec1u v\u1ebft g\u00e2y h\u1ea1i l\u00e0m cho tr\u00e1i b\u1ecb r\u1ee5ng s\u1edbm (t\u1ea5n c\u00f4ng tr\u00e1i <3 th\u00e1ng) v\u00e0 l\u00e0m tr\u00e1i m\u00e9o m\u00f3, k\u00edch th\u01b0\u1edbc nh\u1ecf (t\u1ea5n c\u00f4ng tr\u00e1i >3 th\u00e1ng). Ngo\u00e0i tr\u00e1i, ch\u00fang c\u00f2n t\u1ea5n c\u00f4ng tr\u00ean th\u00e2n, g\u1ed1c v\u00e0 r\u1ec5 d\u1eeba.<\/p>\n

          * Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/strong><\/p>\n

          –\u00a0\u00a0Ch\u0103m s\u00f3c v\u01b0\u1eddn d\u1eeba, c\u1eaft b\u1ecf nh\u1eefng t\u00e0u l\u00e1 b\u00ean d\u01b0\u1edbi, ti\u00eau h\u1ee7y nh\u1eefng tr\u00e1i b\u1ecb nhi\u1ec5m\u00a0\u0111\u1ec3 h\u1ea1n ch\u1ebf ph\u00e1t t\u00e1n l\u00e2y lan.<\/p>\n

          – Phun n\u1ea5m \u0111\u1ed1i kh\u00e1ng Ma (Metarhizium anisopliae<\/em>) ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i thu\u1ed1c\u00a0Abatox 1.8EC, Mapy 48EC, Regent 5SC,\u2026 \u0111\u1ec3 ph\u00f2ng tr\u1ecb b\u1eb1ng c\u00e1ch phun x\u1ecbt l\u00ean kh\u1eafp c\u00e1c bu\u1ed3ng tr\u00e1i non c\u1ee7a c\u00e2y d\u1eeba.<\/p>\n

            \n
          1. R\u1ec7p d\u00ednh\u00a0<\/em><\/strong>:\u00a0<\/em>Khi ph\u00e1t hi\u1ec7n tr\u00ean l\u00e1 c\u00f3 m\u1ed9t l\u1edbp mu\u1ed9i \u0111en (n\u1ea5m b\u1ed3 h\u00f3ng) ho\u1eb7c ki\u1ebfn h\u00f4i l\u00e0m t\u1ed5 \u1edf nh\u1eefng b\u1eb9 l\u00e1 l\u00e0 c\u00f3 d\u1ea5u hi\u1ec7u c\u1ee7a r\u1ec7p d\u00ednh.<\/li>\n<\/ol>\n

            – R\u1ec7p d\u00ednh ph\u00e1 h\u1ea1i v\u00e0o m\u00f9a kh\u00f4 tr\u00ean nh\u1eefng c\u00e2y d\u1eeba \u0111ang l\u1edbn, hay ch\u00edch h\u00fat b\u00f4ng, mo, cu\u1ed1ng tr\u00e1i d\u1eeba non.<\/p>\n

            – R\u1ec7p d\u00ednh c\u0169ng g\u00e2y h\u1ea1i tr\u00ean m\u1ed9t s\u1ed1 c\u00e2y tr\u1ed3ng kh\u00e1c nhau nh\u01b0: cam, qu\u00fdt, m\u00e3ng c\u1ea7u\u2026V\u00ec v\u1eady khi ch\u00fang xu\u1ea5t hi\u1ec7n tr\u00ean nh\u1eefng c\u00e2y n\u1ea7y, th\u00ec c\u0169ng c\u00f3 th\u1ec3 c\u00f3 tr\u00ean d\u1eeba.<\/p>\n

            * Bi\u00ean ph\u00e1p ph\u00f2ng tr\u1eeb:<\/em><\/strong><\/p>\n

            – Th\u01b0\u1eddng xuy\u00ean d\u1ecdn s\u1ea1ch s\u1ebd th\u00f4ng tho\u00e1ng t\u00e1n d\u1eeba.<\/p>\n

            – Ti\u00eau h\u1ee7y nh\u1eefng t\u00e0u l\u00e1 b\u1ecb r\u1ec7p g\u00e2y h\u1ea1i.<\/p>\n

            – D\u00f9ng thu\u00f4\u0301c Admire 200OD, Yamida 10WP, Conphai 100SL, Maxfos 50EC, Mapy 48EC phun tr\u00ean l\u00e1 b\u1ecb h\u1ea1i 2 l\u1ea7n c\u00e1ch nhau 7-10 ng\u00e0y.<\/p>\n

              \n
            1. B\u1ec7nh \u0111\u1ed1m l\u00e1:<\/strong>\u0110\u00e2y l\u00e0 b\u1ec7nh th\u01b0\u1eddng g\u1eb7p tr\u00ean c\u00e2y d\u1eeba. B\u1ec7nh g\u00e2y ra b\u1edfi hai lo\u1ea1i n\u1ea5m l\u00e0\u00a0Pestalozzia palmarum<\/em>Cke v\u00e0\u00a0Helminthosorium<\/em>\u00a0sp.<\/li>\n<\/ol>\n

              – Tri\u1ec7u ch\u1ee9ng g\u00e2y h\u1ea1i do n\u1ea5m\u00a0Pestalozzia palmarum<\/em>: \u0110\u1ea7u ti\u00ean l\u00e0 l\u00e1 xu\u1ea5t hi\u1ec7n nh\u1eefng \u0111\u1ed1m v\u00e0ng, sau l\u1edbn d\u1ea7n th\u00e0nh v\u1ebft ch\u00e1y h\u00ecnh b\u1ea7u d\u1ee5c, \u1edf gi\u1eefa c\u00f3 m\u00e0u x\u00e1m nh\u1ea1t, b\u00ean ngo\u00e0i c\u00f3 vi\u1ec1n n\u00e2u \u0111\u1eadm v\u00e0 m\u1ed9t qu\u1ea7n m\u00e0u xanh. Khi c\u00e1c \u0111\u1ed1m ch\u00e1y n\u1ed1i li\u1ec1n nhau t\u1ea1o th\u00e0nh v\u1ebft ch\u00e1y l\u1edbn h\u01a1n.<\/p>\n

              – Tri\u1ec7u ch\u1ee9ng g\u00e2y h\u1ea1i do n\u1ea5m\u00a0Helminthosporium<\/em>\u00a0\u00a0sp.: \u0110\u1ea7u ti\u00ean l\u00e0 nh\u1eefng \u0111\u1ed1m nh\u1ecf c\u00f3 m\u00e0u n\u00e2u. C\u00e1c \u0111\u1ed1m l\u1edbn d\u1ea7n v\u00e0 li\u00ean k\u1ebft l\u1ea1i v\u1edbi nhau l\u00e0m cho l\u00e1 b\u1ecb kh\u00f4, ch\u00e1y<\/p>\n

              B\u1ec7nh th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf nh\u1eefng v\u00f9ng b\u1ecb thi\u1ebfu kali. B\u1ec7nh g\u00e2y thi\u1ec7t h\u1ea1i nhi\u1ec1u \u1edf c\u00e2y con. B\u1ec7nh l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng quang h\u1ee3p n\u00ean c\u00e2y con ch\u1eadm ph\u00e1t tri\u1ec3n. \u1ede c\u00e2y l\u1edbn, b\u1ec7nh l\u00e0m c\u00e2y ch\u1eadm cho tr\u00e1i hay gi\u1ea3m n\u00a0\u00a0\u0103ng su\u1ea5t d\u1eeba. N\u00ean b\u00f3n ph\u00e2n Kali cho d\u1eeba \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y con \u0111\u1ec3 gi\u00fap c\u00e2y \u00edt nhi\u1ec5m b\u1ec7nh v\u00e0 mau cho tr\u00e1i.<\/p>\n

              * Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/strong><\/p>\n

              – V\u1ec7 sinh v\u01b0\u1eddn d\u1eeba, b\u00f3n ph\u00e2n c\u00e2n \u0111\u1ed1i, t\u0103ng c\u01b0\u1eddng b\u00f3n ph\u00e2n Kali gi\u00fap c\u00e2y t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu.<\/p>\n

              – \u1ede giai \u0111o\u1ea1n c\u00e2y nh\u1ecf, c\u1eaft b\u1ecf l\u00e1 b\u1ec7nh \u0111em ti\u00eau h\u1ee7y v\u00e0 phun Bordeaux 1% \u0111\u1ec3 ph\u00f2ng b\u1ec7nh.<\/p>\n

              – S\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i thu\u1ed1c nh\u01b0\u00a0Ridomil Gold 68WG,\u00a0Ancovil 50SC, Topsin M 70WP,\u2026 V\u1edbi v\u01b0\u1eddn c\u00e2y non b\u1ecb b\u1ec7nh, sau khi phun thu\u1ed1c xong (phun l\u1ea7n \u0111\u1ea7u) b\u00e0 con n\u00ean b\u00f3n b\u1ed5 sung ph\u00e2n Canxi Nitrate li\u1ec1u 15-20g\/g\u1ed1c \u0111\u1ec3 t\u0103ng s\u1ee9c \u0111\u1ec1 kh\u00e1ng cho c\u00e2y, gi\u00fap c\u00e2y v\u01b0\u1ee3t qua gia \u0111o\u1ea1n b\u1ec7nh.<\/p>\n

                \n
              1. B\u1ec7nh th\u1ed1i \u0111\u1ecdt\u00a0:<\/strong>Do b\u1ecd c\u00e1nh c\u1ee9ng \u0103n h\u1ebft ph\u1ea7n di\u1ec7p l\u1ee5c c\u1ee7a l\u00e1, \u0111\u1eb7c bi\u1ec7t l\u00e0 l\u00e1 non l\u00e0m cho phi\u1ebfn l\u00e1 b\u1ecb t\u1ed5n th\u01b0\u01a1ng. Sau \u0111\u00f3 n\u1ea5m k\u00fd sinh v\u00e0o g\u00e2y ra b\u1ec7nh th\u1ed1i \u0111\u1ecdt. \u00a0N\u1ea5m g\u00e2y h\u1ea1i c\u00e2y d\u1eeba b\u1eb1ng c\u00e1ch t\u1ea5n c\u00f4ng v\u00e0o \u0111\u1ec9nh sinh tr\u01b0\u1edfng l\u00e0m cho c\u1ee7 h\u1ee7 b\u1ecb th\u1ed1i, c\u00e2y kh\u00f4ng sinh tr\u01b0\u1edfng \u0111\u01b0\u1ee3c n\u1eefa v\u00e0 s\u1ebd ch\u1ebft sau khi c\u00e1c l\u00e1 gi\u00e0 kh\u00f4 v\u00e0 r\u1ee5ng.<\/li>\n<\/ol>\n

                C\u00e2y ch\u1ebft sau 3-5 th\u00e1ng b\u1ecb nhi\u1ec5m b\u1ec7nh. C\u00e2y d\u1eeba b\u1ecb b\u1ec7nh th\u1ed1i \u0111\u1ecdt m\u1edbi nh\u00ecn r\u1ea5t gi\u1ed1ng nh\u01b0 c\u00e2y b\u1ecb \u0111u\u00f4ng t\u1ea5n c\u00f4ng, tuy nhi\u00ean quan s\u00e1t k\u1ef9 s\u1ebd kh\u00f4ng th\u1ea5y \u1ea5u tr\u00f9ng c\u1ee7a \u0111u\u00f4ng d\u1eeba nh\u01b0ng c\u00f3 m\u00f9i th\u1ed1i r\u1ea5t kh\u00f3 ch\u1ecbu.<\/p>\n

                B\u1ec7nh th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n v\u00e0o \u0111\u1ea7u m\u00f9a m\u01b0a khi c\u00f3 \u1ea9m \u0111\u1ed9 cao. B\u1ec7nh r\u1ea5t kh\u00f3 tr\u1ecb v\u00ec th\u01b0\u1eddng ph\u00e1t hi\u1ec7n ch\u1eadm, khi \u0111\u1ec9nh sinh tr\u01b0\u1edfng \u0111\u00e3 b\u1ecb t\u1ea5n c\u00f4ng. N\u00ean \u0111\u1ed1n v\u00e0 ti\u00eau h\u1ee7y c\u00e2y b\u1ecb b\u1ec7nh \u0111\u1ec3 tr\u00e1nh s\u1ef1 l\u00e2y lan, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c c\u00e2y tr\u1ed3ng xen nh\u01b0 ca cao, ti\u00eau.<\/p>\n

                * Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/strong><\/p>\n

                – Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ho\u1eb7c phun thu\u1ed1c tr\u1eeb s\u00e2u b\u1ecd \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ti\u00eau di\u1ec7t b\u1ecd c\u00e1nh c\u1ee9ng, b\u1ea3o v\u1ec7 l\u00e1 d\u1eeba.<\/p>\n

                – Khi c\u00f3 n\u1ea5m k\u00fd sinh, ngo\u00e0i vi\u1ec7c phun thu\u1ed1c tr\u1eeb s\u00e2u b\u00e0 con c\u1ea7n k\u1ebft h\u1ee3p th\u00eam c\u00e1c lo\u1ea1i thu\u1ed1c tr\u1ecb n\u1ea5m nh\u01b0 Daconil 500SC, Carbenzim 500FL, Ridomil Gold 68WG,\u2026<\/p>\n

                  \n
                1. N\u1ee9t, r\u1ee5ng tr\u00e1i:<\/strong><\/li>\n<\/ol>\n

                  – \u0110\u1ea5t b\u1ecb nhi\u1ec5m ph\u00e8n, m\u1eb7n l\u00e0m h\u01b0 b\u1ed9 r\u1ec5 c\u1ee7a c\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh nu\u00f4i tr\u00e1i, nh\u01b0 v\u1eady tr\u00e1i s\u1ebd r\u1ee5ng trong su\u1ed1t m\u00f9a kh\u00f4 hay sau nh\u1eefng c\u01a1n m\u01b0a \u0111\u1ea7u m\u00f9a.<\/p>\n

                  – Tr\u00e1i r\u1ee5ng trong m\u00f9a m\u01b0a d\u1ea7m v\u00e0 th\u01b0\u01a1ng b\u1ecb n\u1ee9t tr\u00e1i c\u00f3 th\u1ec3 l\u00e0 do \u0111\u1eb7c t\u00ednh di truy\u1ec1n c\u1ee7a c\u00e2y. Th\u00f4ng th\u01b0\u1eddng \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e2y c\u00f3 tr\u00e1i to, v\u1ecf m\u1ecfng, b\u00f3n qu\u00e1 th\u1eeba \u0111\u1ea1m, thi\u1ebfu kali, r\u1ec5 ph\u00e1t tri\u1ec3n m\u1ea1nh n\u00ean c\u00e2y h\u00fat nhi\u1ec1u n\u01b0\u1edbc, t\u1eeb \u0111\u00f3 d\u1ec5 l\u00e0m cho tr\u00e1i b\u1ecb n\u1ee9t v\u00e0 r\u1ee5ng, c\u00f3 th\u1ec3 r\u1ee5ng c\u1ea3 qu\u00e0y hay ch\u1ec9 r\u1ee5ng 2\/3 qu\u00e0y c\u00f2n l\u1ea1i 1\/3 qu\u00e0y d\u00ednh tr\u00ean c\u00e2y cho \u0111\u1ebfn thu ho\u1ea1ch.<\/p>\n

                  – R\u1ee5ng tr\u00e1i do n\u1ea5m: khi tr\u00e1i r\u1ee5ng ta th\u1ea5y l\u00e1 \u0111\u00e0i v\u00e0 n\u01a1i ti\u1ebfp gi\u00e1p gi\u1eefa cu\u1ed1ng tr\u00e1i v\u1edbi l\u00e1 \u0111\u00e0i (m\u1ea7u d\u1eeba) c\u00f3 m\u00e0u n\u00e2u \u0111en, th\u1ed1i m\u1ec1m.<\/p>\n

                  – R\u1ee5ng do vi khu\u1ea9n: khi tr\u00e1i r\u1ee5ng quan s\u00e1t th\u1ea5y tr\u00ean m\u1ea7u tr\u00e1i d\u1eeba c\u00f3 m\u1ee7 v\u00e0 c\u00f3 m\u1ed9t s\u1ed1 l\u00e1 \u0111\u00e0i v\u1eabn c\u00f2n xanh.<\/p>\n

                  – R\u1ee5ng do di truy\u1ec1n: do ch\u1ecdn gi\u1ed1ng tr\u00ean c\u00e2y d\u1eeba c\u00f3 b\u1ec7nh n\u1ee9t r\u1ee5ng tr\u00e1i non \u0111\u1ec3 tr\u1ed3ng.<\/p>\n

                  * Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/strong><\/p>\n

                  – T\u01b0\u1edbi cho d\u1eeba trong m\u00f9a n\u1eafng, tr\u00e1nh b\u1ecb ng\u1eadp \u00fang trong m\u00f9a m\u01b0a. V\u00e0o m\u00f9a m\u01b0a d\u1ea7m, c\u1eaft b\u1edbt r\u1ec5 c\u00e2y \u0111\u1ec3 h\u1ea1n ch\u1ebf c\u00e2y h\u00fat nhi\u1ec1u n\u01b0\u1edbc.<\/p>\n

                  – S\u1eed d\u1ee5ng 3-5kg v\u00f4i b\u1ed9t r\u00e3i v\u00e0o \u0111\u1ea5t xung quanh r\u1ec5 c\u00e2y.<\/p>\n

                  – B\u00f3n ph\u00e2n h\u1eefu c\u01a1 h\u00e0ng n\u0103m l\u00e0m cho \u0111\u1ea5t t\u01a1i x\u1ed1p, b\u00f3n ph\u00e2n c\u00e2n \u0111\u1ed1i \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u00e2n Kali, gi\u1ea3m ph\u00e2n Ure.<\/p>\n

                  – R\u00e3i mu\u1ed1i h\u1ed9t ho\u1eb7c mu\u1ed1i \u0103n v\u00e0o c\u00e1c b\u1eb9 l\u00e1 1-2 l\u1ea7n\/n\u0103m \u0111\u1ec3 b\u1ed5 sung th\u00eam Clo cho c\u00e2y.<\/p>\n

                  – Ti\u1ebfn h\u00e0nh phun c\u00e1c lo\u1ea1i thu\u1ed1c tr\u1eeb n\u1ea5m v\u00e0o bu\u1ed3ng hoa (l\u00fac hoa ch\u01b0a n\u1edf) nh\u01b0 Dithane 80WP, T\u00e2n Qui – Metaxyl 25WP, Oxo 200WP,\u2026 Li\u1ec1u l\u01b0\u1ee3ng theo h\u01b0\u1edbng d\u1eabn tr\u00ean bao b\u00ec.<\/p>\n

                    \n
                  1. Chu\u1ed9t: <\/strong>Chu\u1ed9t c\u1eafn ph\u00e1 r\u1ec5, tr\u00e1i d\u1eeba trong v\u01b0\u1eddn \u01b0\u01a1m, c\u00e2y d\u1eeba m\u1edbi tr\u1ed3ng v\u00e0 kho\u00e9t tr\u00e1i tr\u00ean qu\u00e0y. Chu\u1ed9t th\u01b0\u1eddng g\u00e2y h\u1ea1i n\u1eb7ng \u1edf nh\u1eefng v\u01b0\u1eddn \u01b0\u01a1m um t\u00f9m nhi\u1ec1u c\u1ecf. Chu\u1ed9t t\u1ea5n c\u00f4ng nhi\u1ec1u nh\u1ea5t \u1edf tr\u00e1i d\u1eeba t\u1eeb 2-6 th\u00e1ng tu\u1ed5i. Chu\u1ed9t \u0111\u1ee5c kh\u00f3et \u1edf ph\u1ea7n m\u1ec1m g\u1ea7n cu\u1ed1ng \u0111\u1ec3 \u0103n c\u01a1m d\u1eeba v\u00e0 u\u1ed1ng n\u01b0\u1edbc.<\/li>\n<\/ol>\n

                    V\u00f9ng kh\u00f4ng c\u00f3 n\u01b0\u1edbc ng\u1ecdt trong m\u00f9a kh\u00f4 nh\u01b0 v\u00f9ng g\u1ea7n bi\u1ec3n, thi\u1ec7t h\u1ea1i do chu\u1ed9t g\u00e2y ra c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 30-40%.<\/p>\n

                    * Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/strong><\/p>\n

                    – V\u1ec7 sinh v\u01b0\u1eddn v\u00e0 t\u00e1n d\u1eeba \u0111\u1ec3 ph\u00e1 n\u01a1i tr\u00fa \u1ea9n c\u1ee7a chu\u1ed9t.<\/p>\n

                    – S\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i b\u1eaby chu\u1ed9t: b\u1eaby s\u1eadp, b\u1eaby \u0111\u1ea1p, b\u1eaby d\u00ednh.<\/p>\n

                    – D\u00f9ng c\u00e1c lo\u1ea1i thu\u1ed1c di\u1ec7t chu\u1ed9t:<\/p>\n

                    +\u00a0Nh\u00f3m\u00a0\u0111\u1ed9c\u00a0c\u1ea5p\u00a0t\u00ednh\u00a0th\u01b0\u1eddng\u00a0d\u00f9ng\u00a0c\u00e1c\u00a0ch\u1ea5t\u00a0\u0111\u1ed9c\u00a0nh\u01b0\u00a0ph\u1ed1tpho\u00a0k\u1ebdm\u00a020%\u00a0\u0111\u1ec3\u00a0di\u1ec7t\u00a0chu\u1ed9t;\u00a0di\u1ec7t\u00a0chu\u1ed9t\u00a0nhanh,\u00a0hi\u1ec7u\u00a0qu\u1ea3\u00a0cao \u1edf\u00a0l\u1ea7n\u00a0\u0111\u1ea7u\u00a0s\u1eed\u00a0d\u1ee5ng;\u00a0r\u1ea5t\u00a0\u0111\u1ed9c\u00a0v\u1edbi\u00a0ng\u01b0\u1eddi\u00a0v\u00e0\u00a0\u0111\u1ed9ng\u00a0v\u1eadt\u00a0m\u00e1u\u00a0n\u00f3ng;\u00a0c\u1ea7n\u00a0ph\u1ea3i\u00a0thay\u00a0m\u1ed3i\u00a0nh\u1eed\u00a0v\u1edbi\u00a0thu\u1ed1c\u00a0\u0111\u1ec3\u00a0t\u0103ng\u00a0hi\u1ec7u\u00a0qu\u1ea3\u00a0di\u1ec7t\u00a0chu\u1ed9t.<\/p>\n

                    +\u00a0Nh\u00f3m \u00a0thu\u1ed1c \u00a0\u0111\u1ed9c\u00a0m\u00e3n\u00a0\u00a0t\u00ednh\u00a0(t\u00e1c\u00a0\u0111\u1ed9ng \u00a0ch\u1eadm) \u00a0nh\u01b0\u00a0Klerat \u00a0\u0111\u1ec3\u00a0di\u1ec7t\u00a0chu\u1ed9t.\u00a0D\u00f9ng\u00a0v\u1edbi\u00a0nh\u00f3m\u00a0thu\u1ed1c\u00a0n\u00e0y\u00a0\u0111\u1ec3\u00a0di\u1ec7t\u00a0chu\u1ed9t\u00a0ch\u1ebft\u00a0ch\u1eadm,\u00a0chu\u1ed9t\u00a0\u00edt\u00a0ng\u00e1n\u00a0m\u1ed3i,\u00a0\u00edt\u00a0\u0111\u1ed9c\u00a0h\u1ea1i\u00a0v\u1edbi\u00a0ng\u01b0\u1eddi\u00a0v\u00e0\u00a0\u0111\u1ed9ng\u00a0v\u1eadt\u00a0m\u00e1u\u00a0n\u00f3ng\u00a0so\u00a0v\u1edbi\u00a0nh\u00f3m\u00a0\u0111\u1ed9c\u00a0c\u1ea5p\u00a0t\u00ednh.<\/p>\n

                    * L\u01b0u \u00fd:<\/strong>\u00a0N\u00ean c\u1ea9n th\u1eadn khi s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i thu\u1ed1c di\u1ec7t chu\u1ed9t v\u00ec nguy hi\u1ec3m cho ng\u01b0\u1eddi v\u00e0 c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt kh\u00e1c.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

                    I.Quy tr\u00ecnh tr\u1ed3ng c\u00e2y d\u1eeba \u1edf \u0111\u00f4 th\u1ecb \u0111\u01b0\u1eddng ph\u1ed1 v\u00e0 resort \u2026 : \u2013 B\u01b0\u1edbc 1. \u0110\u1ecbnh v\u1ecb v\u1ecb tr\u00ed tr\u1ed3ng c\u00e2y: * \u0110\u1ed1i […]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":490,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-489","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-ve-cay-bong-mat-cong-trinh-do-thi"],"yoast_head":"\nK\u1ef8 THU\u1eacT TR\u1ed2NG V\u00c0 CH\u0102M S\u00d3C C\u00c2Y D\u1eeaA - Cung c\u1ea5p x\u01a1 d\u1eeba v\u00e0 v\u1eadt t\u01b0 n\u00f4ng nghi\u1ec7p<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vattutrongtrot.net\/index.php\/2023\/04\/16\/ky-thuat-trong-va-cham-soc-cay-dua\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"K\u1ef8 THU\u1eacT TR\u1ed2NG V\u00c0 CH\u0102M S\u00d3C C\u00c2Y D\u1eeaA - 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