{"id":542,"date":"2024-07-26T15:29:36","date_gmt":"2024-07-26T08:29:36","guid":{"rendered":"https:\/\/bacte.vn\/ky-thuat-trong-va-cham-soc-cay-ot\/"},"modified":"2025-09-09T11:15:15","modified_gmt":"2025-09-09T04:15:15","slug":"ky-thuat-trong-va-cham-soc-cay-ot","status":"publish","type":"post","link":"https:\/\/bacte.vn\/en\/ky-thuat-trong-va-cham-soc-cay-ot\/","title":{"rendered":"K\u1ef9 Thu\u1eadt Tr\u1ed3ng V\u00e0 Ch\u0103m S\u00f3c C\u00e2y \u1edat"},"content":{"rendered":"

C\u00c2Y \u1edaT CAY
\nT\u00ean khoa h\u1ecdc: Capsicum frutescens<\/em> L.
\n<\/strong><\/h4>\n
    \n
  1. \n

    K\u1ef9 Thu\u1eadt Tr\u1ed3ng V\u00e0 Ch\u0103m S\u00f3c C\u00e2y \u1edat \u2013 \u0110\u1eb7c T\u00ednh Sinh H\u1ecdc<\/h2>\n<\/li>\n<\/ol>\n
    \"K\u1ef9
    K\u1ef9 Thu\u1eadt Tr\u1ed3ng V\u00e0 Ch\u0103m S\u00f3c C\u00e2y \u1edat<\/span><\/figcaption><\/figure>\n

    R\u1ec5:<\/h3>\n

    \u1edat c\u00f3 r\u1ec5 tr\u1ee5, nh\u01b0ng khi c\u1ea5y r\u1ec5 ph\u00e2n nh\u00e1nh m\u1ea1nh v\u00e0 c\u00e2y ph\u00e1t tri\u1ec3n th\u00e0nh r\u1ec5 ch\u00f9m, ph\u00e2n b\u1ed1 trong v\u00f9ng \u0111\u1ea5t c\u00e0y l\u00e0 ch\u00ednh.<\/p>\n

    Th\u00e2n:<\/h3>\n

    khi c\u00e2y gi\u00e0 ph\u1ea7n g\u1ed1c th\u00e2n ch\u00ednh h\u00f3a g\u1ed7, d\u1ecdc theo chi\u1ec1u d\u00e0i th\u00e2n c\u00f3 4-5 c\u1ea1nh.<\/p>\n

    Th\u00e2n c\u00f3 l\u00f4ng ho\u1eb7c kh\u00f4ng l\u00f4ng, c\u00e2y cao 35-65 cm, c\u00f3 gi\u1ed1ng cao 125-135 cm.<\/p>\n

    \u1edat ph\u00e2n t\u00e1n m\u1ea1nh, k\u00edch th\u01b0\u1edbc t\u00e1n thay \u0111\u1ed5i t\u00f9y theo \u0111i\u1ec1u ki\u1ec7n canh t\u00e1c v\u00e0 gi\u1ed1ng.<\/p>\n

    L\u00e1:<\/h3>\n

    M\u1ecdc \u0111\u01a1n, \u0111\u00f4i khi m\u1ecdc ch\u00f9m th\u00e0nh h\u00ecnh hoa th\u1ecb, l\u00e1 nguy\u00ean c\u00f3 h\u00ecnh tr\u1ee9ng \u0111\u1ebfn b\u1ea7u d\u1ee5c, phi\u1ebfn l\u00e1 nh\u1ecdn \u1edf \u0111\u1ea7u, l\u00e1 m\u00e0u xanh nh\u1ea1t ho\u1eb7c \u0111\u1eadm, c\u00f3 l\u00f4ng ho\u1eb7c kh\u00f4ng l\u00f4ng.<\/p>\n

    Hoa:<\/h3>\n

    L\u01b0\u1ee1ng ph\u00e1i, m\u1ecdc \u0111\u01a1n ho\u1eb7c th\u00e0nh ch\u00f9m 2-3 hoa. Hoa nh\u1ecf, d\u00e0i, hoa m\u00e0u xanh c\u00f3 h\u00ecnh ch\u00e9n, l\u00e1 \u0111\u00e0i nh\u1ecf, h\u1eb9p v\u00e0 nh\u1ecdn. Tr\u00e0ng hoa c\u00f3 6-7 c\u00e1nh m\u00e0u tr\u1eafng ho\u1eb7c t\u00edm. S\u1ed1 nh\u1ecb \u0111\u1ef1c b\u1eb1ng s\u1ed1 c\u00e1nh hoa v\u00e0 m\u1ecdc quanh nh\u1ee5y c\u00e1i. Ph\u1ea7n trong c\u00e1nh hoa c\u00f3 l\u1ed7 ti\u1ebft m\u1eadt.<\/p>\n

    Hoa \u1edbt c\u00f3 th\u1ec3 t\u1ef1 th\u1ee5 ph\u1ea5n hay th\u1ee5 ph\u1ea5n ch\u00e9o do c\u00f4n tr\u00f9ng v\u00ec \u1edbt thu\u1ed9c lo\u1ea1i ti\u1ec1n th\u01b0, th\u1ee5 ph\u1ea5n ch\u00e9o c\u00f3 \u00fd ngh\u0129a l\u1edbn \u1edf \u1edbt cay, t\u1ef7 l\u1ec7 th\u1ee5 ph\u1ea5n ch\u00e9o t\u1eeb 10-40 % t\u00f9y gi\u1ed1ng, do \u0111\u00f3 c\u1ea7n ch\u00fa \u00fd trong c\u00f4ng t\u00e1c \u0111\u1ec3 gi\u1ed1ng v\u00e0 gi\u1eef gi\u1ed1ng thu\u1ea7n.<\/p>\n

    Tr\u00e1i:<\/h3>\n

    Tr\u00e1i c\u00f3 2-4 th\u00f9y, d\u1ea1ng tr\u00e1i r\u1ea5t thay \u0111\u1ed5i t\u1eeb h\u00ecnh c\u1ea7u \u0111\u1ebfn h\u00ecnh n\u00f3n, b\u1ec1 m\u1eb7t tr\u00e1i c\u00f3 th\u1ec3 ph\u1eb3ng, g\u1ee3n s\u00f3ng, c\u00f3 kh\u00eda hay nh\u1eb5n; tr\u00e1i khi ch\u00edn c\u00f3 m\u00e0u \u0111\u1ecf \u0111en v\u00e0ng; tr\u00e1i kh\u00f4ng cay hay r\u1ea5t cay.<\/p>\n

    \u1edat l\u00e0 c\u00e2y ch\u1ecbu nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p cho t\u0103ng tr\u01b0\u1edfng l\u00e0 18-30o<\/sup>C. Nhi\u1ec7t \u0111\u1ed9 cao tr\u00ean 32o<\/sup>C v\u00e0 th\u1ea5p d\u01b0\u1edbi 15o<\/sup>C.<\/p>\n

    C\u00e2y t\u0103ng tr\u01b0\u1edfng k\u00e9m v\u00e0 hoa d\u1ec5 r\u1ee5ng. \u1edat l\u00e0 c\u00e2y kh\u00f4ng quang c\u1ea3m, tuy nhi\u00ean trong \u0111i\u1ec1u ki\u1ec7n ng\u00e0y ng\u1eafn c\u00e1c gi\u1ed1ng \u1edbt cay ph\u00e1t tri\u1ec3n t\u1ed1t v\u00e0 cho n\u0103ng su\u1ea5t cao.<\/p>\n

    \u1edat ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n che r\u1ee3p \u0111\u1ebfn 45%, nh\u01b0ng che r\u1ee3p nhi\u1ec1u h\u01a1n \u1edbt ch\u1eadm tr\u1ed5 hoa v\u00e0 r\u1ee5ng n\u1ee5.<\/p>\n

    K\u1ef9 thu\u1eadt tr\u1ed3ng v\u00e0 ch\u0103m s\u00f3c c\u00e2y \u1edbt<\/h2>\n
    \"K\u1ef9
    K\u1ef9 Thu\u1eadt Tr\u1ed3ng V\u00e0 Ch\u0103m S\u00f3c C\u00e2y \u1edat<\/span><\/figcaption><\/figure>\n
      \n
    1. \n

      Th\u1eddi v\u1ee5<\/h3>\n<\/li>\n<\/ol>\n

      \u1edat c\u00f3 th\u1ec3 tr\u1ed3ng quanh n\u0103m, tuy nhi\u00ean trong s\u1ea3n xu\u1ea5t th\u01b0\u1eddng canh t\u00e1c \u1edbt v\u00e0o c\u00e1c th\u1eddi v\u1ee5 sau:<\/p>\n

      – V\u1ee5 s\u1edbm: Gieo th\u00e1ng 8-9, tr\u1ed3ng th\u00e1ng 9-10, b\u1eaft \u0111\u1ea7u thu ho\u1ea1ch th\u00e1ng 12-1 dl v\u00e0 k\u00e9o d\u00e0i \u0111\u1ebfn th\u00e1ng 4-5 n\u0103m sau. V\u1ee5 n\u00e0y \u1edbt tr\u1ed3ng tr\u00ean \u0111\u1ea5t b\u1edd l\u00edp cao kh\u00f4ng ng\u1eadp n\u01b0\u1edbc v\u00e0o m\u00f9a m\u01b0a. \u1edat tr\u1ed3ng m\u00f9a m\u01b0a \u0111\u1ee1 c\u00f4ng t\u01b0\u1edbi, thu ho\u1ea1ch trong m\u00f9a kh\u00f4 d\u1ec5 b\u1ea3o qu\u1ea3n, ch\u1ebf bi\u1ebfn v\u00e0 th\u1eddi gian thu ho\u1ea1ch d\u00e0i, tuy nhi\u00ean di\u1ec7n t\u00edch canh t\u00e1c v\u1ee5 n\u00e0y kh\u00f4ng nhi\u1ec1u.<\/p>\n

      – V\u1ee5 ch\u00ednh (\u0110\u00f4ng Xu\u00e2n): Gieo th\u00e1ng 10-11, tr\u1ed3ng th\u00e1ng 11-12, b\u1eaft \u0111\u1ea7u thu ho\u1ea1ch th\u00e1ng 2-3 dl. Trong v\u1ee5 n\u00e0y c\u00e2y sinh tr\u01b0\u1edfng t\u1ed1t, n\u0103ng su\u1ea5t cao, \u00edt s\u00e2u b\u1ec7nh.<\/p>\n

      – V\u1ee5 H\u00e8 Thu: Gieo th\u00e1ng 4-5 tr\u1ed3ng th\u00e1ng 5-6 thu ho\u1ea1ch 8-9 dl. M\u00f9a n\u00e0y c\u1ea7n tr\u1ed3ng tr\u00ean \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc t\u1ed1t \u0111\u1ec3 tr\u00e1nh \u00fang ng\u1eadp v\u00e0 ch\u1ecdn gi\u1ed1ng kh\u00e1ng b\u1ec7nh th\u00e1n th\u01b0.<\/p>\n

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      1. \n

        Chu\u1ea9n b\u1ecb c\u00e2y con<\/h3>\n<\/li>\n<\/ol>\n

        L\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng gieo \u0111\u1ee7 c\u1ea5y cho 1.000m2<\/sup> t\u1eeb 15-25 gram (150-160 h\u1ed9t\/g). Di\u1ec7n t\u00edch gieo \u01b0\u01a1ng c\u00e2y con l\u00e0 250 m2<\/sup>.<\/p>\n

        Ch\u1ecdn \u0111\u1ea5t cao r\u00e1o hay l\u00e0m gi\u00e0n c\u00e1ch m\u1eb7t \u0111\u1ea5t 0,5-1 m, l\u00f3t ph\u00ean tre hay l\u00e1 chu\u1ed1i r\u1ed3i \u0111\u1ed5 l\u00ean tr\u00ean m\u1ed9t l\u1edbp \u0111\u1ea5t, ph\u00e2n, tro d\u00e0y 5-10 cm r\u1ed3i gieo h\u1ea1t.<\/p>\n

        C\u00e1ch n\u00e0y d\u1ec5 ch\u0103m s\u00f3c c\u00e2y con v\u00e0 ng\u0103n ng\u1eeba c\u00f4n tr\u00f9ng ho\u1eb7c gia s\u00fac ph\u00e1 h\u1ea1i.<\/p>\n

        C\u0169ng c\u00f3 th\u1ec3 gieo h\u1ea1t th\u1eb3ng v\u00e0o b\u1ea7u hay gieo theo h\u00e0ng tr\u00ean l\u00edp \u01b0\u01a1ng.<\/p>\n

        H\u1ea1t \u1edbt th\u01b0\u1eddng n\u1ea9y m\u1ea7m ch\u1eadm, 8-10 ng\u00e0y sau khi gieo m\u1edbi m\u1ecdc kh\u1ecfi \u0111\u1ea5t, c\u00e2y con c\u1ea5y v\u00e0o l\u00fac 30-35 ng\u00e0y tu\u1ed5i, c\u00f3 s\u1eed d\u1ee5ng m\u00e0ng ph\u1ee7 c\u00e2y con n\u00ean c\u1ea5y s\u1edbm l\u00fac 20 ng\u00e0y tu\u1ed5i.<\/p>\n

          \n
        1. \n

          C\u00e1ch tr\u1ed3ng<\/h3>\n<\/li>\n<\/ol>\n

          \u0110\u1ea5t tr\u1ed3ng \u1edbt ph\u1ea3i \u0111\u01b0\u1ee3c lu\u00e2n canh tri\u1ec7t \u0111\u1ec3 v\u1edbi c\u00e0 chua, thu\u1ed1c l\u00e1 v\u00e0 c\u00e0 t\u00edm. Tr\u1ed3ng m\u00f9a m\u01b0a c\u1ea7n l\u00ean l\u00edp cao v\u00ec \u1edbt ch\u1ecbu \u00fang k\u00e9m. Kho\u1ea3ng c\u00e1ch tr\u1ed3ng thay \u0111\u1ed5i t\u00f9y th\u1eddi gian d\u1ef1 \u0111\u1ecbnh thu ho\u1ea1ch tr\u00e1i, n\u1ebfu \u0103n tr\u00e1i nhanh (4-5 th\u00e1ng sau khi tr\u1ed3ng) n\u00ean tr\u1ed3ng d\u00e0y, kho\u1ea3ng c\u00e1ch tr\u1ed3ng 50 x (30-40) cm, m\u1eadt \u0111\u1ed9 3.500-5.000 c\u00e2y\/1.000m2<\/sup>; n\u1ebfu mu\u1ed1n thu ho\u1ea1ch l\u00e2u n\u00ean tr\u1ed3ng th\u01b0a, 70 x (50-60) cm, m\u1eadt \u0111\u1ed9 2.000-2.500 c\u00e2y\/1.000m2<\/sup>.<\/p>\n

            \n
          1. \n

            S\u1eed d\u1ee5ng m\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p (b\u1ea1t plastic)<\/h2>\n<\/li>\n<\/ol>\n

            4.1 M\u1ee5c \u0111\u00edch:<\/h3>\n
              \n
            1. H\u1ea1n ch\u1ebf c\u00f4n tr\u00f9ng v\u00e0 b\u1ec7nh h\u1ea1i: M\u1eb7t m\u00e0u b\u1ea1c c\u1ee7a m\u00e0ng ph\u1ee7 ph\u1ea3n chi\u1ebfu \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi n\u00ean gi\u1ea3m b\u00f9 l\u1ea1ch, r\u1ea7y m\u1ec1m, gi\u1ea3m b\u1ec7nh do n\u1ea5m t\u1ea5n c\u00f4ng \u1edf g\u1ed1c th\u00e2n v\u00e0 \u0111\u1ed1m tr\u00ean l\u00e1 ch\u00e2n<\/li>\n
            2. Ng\u0103n ng\u1eeba c\u1ecf d\u1ea1i: M\u1eb7t \u0111en c\u1ee7a m\u00e0ng ph\u1ee7 ng\u0103n c\u1ea3n \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi, l\u00e0m h\u1ea1t c\u1ecf b\u1ecb ch\u1ebft trong m\u00e0ng ph\u1ee7.<\/li>\n
            3. \u0110i\u1ec1u ho\u00e0 \u0111\u1ed9 \u1ea9m v\u00e0 gi\u1eef c\u1ea5u tr\u00fac m\u1eb7t \u0111\u1ea5t: M\u00e0ng ph\u1ee7 ng\u0103n c\u1ea3n s\u1ef1 b\u1ed1c h\u01a1i n\u01b0\u1edbc trong m\u00f9a n\u1eafng, h\u1ea1n ch\u1ebf l\u01b0\u1ee3ng n\u01b0\u1edbc m\u01b0a n\u00ean r\u1ec5 c\u00e2y kh\u00f4ng b\u1ecb \u00fang n\u01b0\u1edbc, gi\u1eef \u0111\u1ed9 \u1ea9m \u1ed5n \u0111\u1ecbnh v\u00e0 m\u1eb7t \u0111\u1ea5t t\u01a1i x\u1ed1p, th\u00fac \u0111\u1ea9y r\u1ec5 ph\u00e1t tri\u1ec3n, t\u0103ng s\u1ea3n l\u01b0\u1ee3ng.<\/li>\n
            4. Gi\u1eef ph\u00e2n b\u00f3n: Gi\u1ea3m r\u1eeda tr\u00f4i c\u1ee7a ph\u00e2n b\u00f3n khi t\u01b0\u1edbi n\u01b0\u1edbc ho\u1eb7c m\u01b0a to, \u00edt bay h\u01a1i n\u00ean ti\u1ebft ki\u1ec7m ph\u00e2n.<\/li>\n
            5. T\u0103ng nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea5t: Gi\u1eef \u1ea5m m\u1eb7t \u0111\u1ea5t v\u00e0o ban \u0111\u00eam (m\u00f9a l\u1ea1nh) ho\u1eb7c th\u1eddi \u0111i\u1ec3m m\u01b0a d\u1ea7m thi\u1ebfu n\u1eafng m\u1eb7t \u0111\u1ea5t b\u1ecb l\u1ea1nh.<\/li>\n
            6. H\u1ea1n ch\u1ebf \u0111\u1ed9 ph\u00e8n, m\u1eb7n: M\u00e0ng ph\u1ee7 l\u00e0m gi\u1ea3m s\u1ef1 b\u1ed1c h\u01a1i qua m\u1eb7t \u0111\u1ea5t n\u00ean ph\u00e8n, m\u1eb7n \u0111\u01b0\u1ee3c gi\u1eef \u1edf t\u1ea7ng \u0111\u1ea5t s\u00e2u, gi\u00fap b\u1ed9 r\u1ec5 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n.<\/li>\n<\/ol>\n

              4.2 C\u00e1ch s\u1eed d\u1ee5ng m\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p<\/h2>\n

              – V\u1eadt li\u1ec7u v\u00e0 qui c\u00e1ch: D\u00f9ng 2 cu\u1ed3n m\u00e0ng ph\u1ee7 kh\u1ed5 r\u1ed9ng 0.9-1m tr\u1ed3ng \u1edbt h\u00e0ng \u0111\u01a1n, c\u00f2n h\u00e0ng \u0111\u00f4i 1,5 cu\u1ed3n m\u00e0ng kh\u1ed5 1,2-1,4 m, di\u1ec7n t\u00edch v\u1ea3i ph\u1ee7 c\u00e0ng r\u1ed9ng th\u00ec hi\u1ec7u qu\u1ea3 ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh c\u00e0ng cao.<\/p>\n

              – Chi\u1ec1u d\u00e0i m\u1ed7i cu\u1ed3n m\u00e0ng ph\u1ee7 l\u00e0 400 m, khi ph\u1ee7 li\u1ebfp m\u1eb7t x\u00e1m b\u1ea1c h\u01b0\u1edbng l\u00ean, m\u00e0u \u0111en h\u01b0\u1edbng xu\u1ed1ng.<\/p>\n

              – L\u00ean li\u1ebfp: L\u00ean li\u1ebfp cao 20-40 cm t\u00f9y m\u00f9a v\u1ee5, m\u1eb7t li\u1ebfp ph\u1ea3i l\u00e0m b\u1eb1ng ph\u1eb3ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ed3i l\u00f5m v\u00ec r\u1ec5 kh\u00f3 ph\u00e1t tri\u1ec3n v\u00e0 m\u00e0ng ph\u1ee7 mau h\u01b0, \u1edf gi\u1eefa li\u1ebfp h\u01a1i cao hai b\u00ean th\u1ea5p \u0111\u1ec3 ti\u1ec7n vi\u1ec7c t\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n

              – R\u00e3i ph\u00e2n l\u00f3t: Li\u1ec1u l\u01b0\u1ee3ng v\u00e0 c\u00e1ch b\u00f3n c\u1ee5 th\u1ec3 theo h\u01b0\u1edbng d\u1eabn b\u00ean d\u01b0\u1edbi<\/p>\n

              – X\u1eed l\u00fd m\u1ea7m b\u1ec7nh: Phun thu\u1ed1c tr\u1eeb n\u1ea5m b\u1ec7nh nh\u01b0 Oxyt \u0111\u1ed3ng ho\u1eb7c Copper B (20 g\/10 l\u00edt) ho\u1eb7c Validacin (20 cc\/10l\u00edt) \u0111\u1ec1u tr\u00ean m\u1eb7t li\u1ebfp tr\u01b0\u1edbc khi \u0111\u1eady m\u00e0ng ph\u1ee7.<\/p>\n

              – \u0110\u1eady m\u00e0ng ph\u1ee7: M\u00f9a kh\u00f4 n\u00ean t\u01b0\u1edbi n\u01b0\u1edbc ngay h\u00e0ng tr\u1ed3ng c\u00e2y tr\u01b0\u1edbc khi \u0111\u1eady m\u00e0ng ph\u1ee7.<\/p>\n

              – Khi ph\u1ee7 k\u00e9o c\u0103ng v\u1ea3i b\u1ea1t, hai b\u00ean m\u00e9p ngo\u00e0i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1eb1ng c\u00e1ch d\u00f9ng d\u00e2y ch\u00ec b\u1ebb h\u00ecnh ch\u1eef U m\u1ed7i c\u1ea1nh kho\u1ea3ng 10 cm ghim s\u00e2u xu\u1ed1ng \u0111\u1ea5t (d\u00e2y ch\u00ec s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c nhi\u1ec1u n\u0103m) ho\u1eb7c d\u00f9ng tre ch\u1ebb l\u1ea1c ghim m\u00e9 li\u1ebfp.<\/p>\n

                \n
              1. \n

                B\u00f3n ph\u00e2n \u0111\u00fang k\u1ef9 thu\u1eadt tr\u1ed3ng V\u00e0 Ch\u0103m S\u00f3c C\u00e2y \u1edat<\/h2>\n<\/li>\n<\/ol>\n

                T\u00f9y theo lo\u1ea1i \u0111\u1ea5t, m\u1ee9c ph\u00e2n b\u00f3n trung b\u00ecnh to\u00e0n v\u1ee5 cho 1.000m2<\/sup> nh\u01b0 sau:<\/p>\n

                07 kg Tipto 46N+<\/sup> + 50 kg Super l\u00e2n (l\u00e2n nung ch\u1ea3y) + 07 kg Clorua kali + 50 kg Bacte 68 + 50 kg Bacte 555\u00a0 + 1 t\u1ea5n chu\u1ed3ng hoai + 100 kg v\u00f4i b\u1ed9t.<\/p>\n

                * B\u00f3n l\u00f3t: 50 kg super l\u00e2n, 50 kg Bacte 555, 1 t\u1ea5n ph\u00e2n chu\u1ed3ng v\u00e0 100 kg v\u00f4i. V\u00f4i r\u1ea3i \u0111\u1ec1u tr\u00ean m\u1eb7t \u0111\u1ea5t tr\u01b0\u1edbc khi cu\u1ed1c \u0111\u1ea5t l\u00ean li\u1ebfp, ph\u00e2n chu\u1ed3ng hoai, l\u00e2n, Bacte 68,\u00a0 Bacte 555 r\u00e3i tr\u00ean to\u00e0n b\u1ed9 m\u1eb7t li\u1ebfp x\u1edbi tr\u1ed9n \u0111\u1ec1u, l\u00e0m b\u1eb1ng ph\u1eb3ng m\u1eb7t l\u00edp.<\/p>\n

                Sau \u0111\u00f3 t\u1ee7 m\u00e0ng ph\u1ee7 l\u1ea1i, r\u1ed3i ti\u1ebfn h\u00e0nh \u0111\u1ee5c l\u1ed5 theo kho\u1ea3ng c\u00e1ch tr\u1ed3ng c\u00e2y con v\u00e0 \u0111\u1ec3 10 \u2013 12 ng\u00e0y m\u1edbi \u0111em \u0111em c\u00e2y con ra tr\u1ed3ng.<\/p>\n

                * B\u00f3n ph\u00e2n th\u00fac:<\/h2>\n

                L\u1ea7n 1: 20-25 ng\u00e0y sau khi c\u1ea5y, to\u00e0n b\u1ed9 l\u01b0\u1ee3ng Bacte 68 c\u00f2n l\u1ea1i. B\u00f3n ph\u00e2n b\u1eb1ng c\u00e1ch v\u00e9n m\u00e0ng ph\u1ee7 l\u00ean r\u00e3i ph\u00e2n m\u1ed9t b\u00ean h\u00e0ng c\u00e0 ho\u1eb7c \u0111\u1ee5c l\u1ed5 m\u00e0ng ph\u1ee7 gi\u1eefa 2 g\u1ed1c \u1edbt<\/p>\n

                L\u1ea7n 2: 60-65 ng\u00e0y sau khi c\u1ea5y, b\u1eaft \u0111\u1ea7u thu tr\u00e1i.<\/p>\n

                L\u01b0\u1ee3ng b\u00f3n: 07 kg Tipto 46N+<\/sup>, 07 kg Clorua kali. V\u00e9n m\u00e0ng ph\u1ee7 l\u00ean r\u00e3i ph\u00e2n ph\u00eda c\u00f2n l\u1ea1i c\u00e0 ho\u1eb7c b\u1ecf ph\u00e2n v\u00e0o l\u1ed5 gi\u1eefa 2 g\u1ed1c \u1edbt<\/p>\n

                Ch\u00fa \u00fd:<\/h3>\n

                S\u1eed d\u1ee5ng ph\u00e2n b\u00f3n qua l\u00e1 Bacte 01, Bacte 02, Bacte 03, Bacte Magiebo phun cho \u1edbt trong su\u1ed1t qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng.<\/p>\n

                \u0110\u1ec3 \u1edbt cho tr\u00e1i nhi\u1ec1u, b\u00f3ng tr\u00e1i \u0111\u1eb9p m\u00e0u v\u00e0 n\u0103ng su\u1ea5t cao, k\u00e9o d\u00e0i th\u1eddi gian thu ho\u1ea1ch.<\/p>\n

                  \n
                1. \n

                  Ch\u0103m s\u00f3c \u0111\u00fang k\u1ef9 thu\u1eadt tr\u1ed3ng V\u00e0 Ch\u0103m S\u00f3c C\u00e2y \u1edat:<\/h2>\n<\/li>\n<\/ol>\n

                  6.1 T\u01b0\u1edbi n\u01b0\u1edbc:<\/h3>\n

                  \u1edat c\u1ea7n nhi\u1ec1u n\u01b0\u1edbc nh\u1ea5t l\u00fac ra hoa r\u1ed9 v\u00e0 ph\u00e1t tri\u1ec3n tr\u00e1i m\u1ea1nh. Giai \u0111o\u1ea1n n\u00e0y thi\u1ebfu n\u01b0\u1edbc ho\u1eb7c qu\u00e1 \u1ea9m \u0111\u1ec1u d\u1eabn \u0111\u1ebfn \u0111\u1eadu tr\u00e1i \u00edt.<\/p>\n

                  N\u1ebfu kh\u00f4 h\u1ea1n k\u00e9o d\u00e0i th\u00ec t\u01b0\u1edbi r\u1ea3nh (t\u01b0\u1edbi th\u1ea5m) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t, kho\u1ea3ng 3-5 ng\u00e0y t\u01b0\u1edbi\/l\u1ea7n.<\/p>\n

                  T\u01b0\u1edbi th\u1ea5m v\u00e0o r\u00e3nh ti\u1ebft ki\u1ec7m n\u01b0\u1edbc, kh\u00f4ng v\u0103ng \u0111\u1ea5t l\u00ean l\u00e1, gi\u1eef \u1ea9m l\u00e2u, t\u0103ng hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n.<\/p>\n

                  M\u00f9a m\u01b0a c\u1ea7n ch\u00fa \u00fd tho\u00e1t n\u01b0\u1edbc t\u1ed1t, kh\u00f4ng \u0111\u1ec3 n\u01b0\u1edbc \u1ee9 \u0111\u1ecdng l\u00e2u, t\u01b0\u1edbi th\u1ea5m<\/p>\n

                  6.2 T\u1ec9a nh\u00e1nh:<\/h3>\n

                  Th\u00f4ng th\u01b0\u1eddng c\u00e1c c\u00e0nh nh\u00e1nh d\u01b0\u1edbi \u0111i\u1ec3m ph\u00e2n c\u00e0nh \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ec9a b\u1ecf cho g\u1ed1c th\u00f4ng tho\u00e1ng. C\u00e1c l\u00e1 d\u01b0\u1edbi c\u0169ng t\u1ec9a b\u1ecf \u0111\u1ec3 \u1edbt ph\u00e2n t\u00e1n r\u1ed9ng<\/p>\n

                  6.3 L\u00e0m gi\u00e0n: Gi\u00e0n gi\u1eef cho c\u00e2y \u0111\u1ee9ng v\u1eefng, \u0111\u1ec3 c\u00e0nh l\u00e1 v\u00e0 tr\u00e1i kh\u00f4ng ch\u1ea1m \u0111\u1ea5t, h\u1ea1n ch\u1ebf thi\u1ec7t h\u1ea1i do s\u00e2u \u0111\u1ee5c tr\u00e1i v\u00e0 b\u1ec7nh th\u1ed1i tr\u00e1i l\u00e0m thi\u1ec7t h\u1ea1i n\u0103ng su\u1ea5t, gi\u00fap k\u00e9o d\u00e0i th\u1eddi gian thu tr\u00e1i. Gi\u00e0n \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00e1ch c\u1eafm tr\u1ee5 c\u1ee9ng xung quanh h\u00e0ng \u1edbt d\u00f9ng d\u00e2y ch\u1ec9 gi\u0103ng xung quanh v\u00e0 gi\u0103ng l\u01b0\u1edbi b\u00ean trong ho\u1eb7c c\u1ed9t d\u00e2y nilong l\u00fac c\u00e2y chu\u1ea9n b\u1ecb tr\u1ed5 hoa.<\/p>\n

                    \n
                  1. \n

                    Ph\u00f2ng tr\u1ecb s\u00e2u b\u1ec7nh k\u1ef9 thu\u1eadt tr\u1ed3ng V\u00e0 Ch\u0103m S\u00f3c C\u00e2y \u1edat<\/h2>\n<\/li>\n<\/ol>\n

                    7.1 S\u00e2u h\u1ea1i:<\/h3>\n

                    – R\u1ea7y l\u1eeda, b\u1ecd tr\u1ec9, b\u00f9 l\u1ea1ch (Thrips<\/em> sp.)<\/a><\/h4>\n

                    – Th\u00e0nh tr\u00f9ng v\u00e0 \u1ea5u tr\u00f9ng r\u1ea5t nh\u1ecf c\u00f3 m\u00e0u tr\u1eafng h\u01a1i v\u00e0ng, s\u1ed1ng t\u1eadp trung trong \u0111\u1ecdt non hay m\u1eb7t d\u01b0\u1edbi l\u00e1 non, ch\u00edch h\u00fat nh\u1ef1a c\u00e2y l\u00e0m cho \u0111\u1ecdt non b\u1ecb xo\u0103n l\u1ea1i. Thi\u1ec7t h\u1ea1i do b\u1ecd tr\u0129, b\u1ecd d\u01b0a c\u00f3 li\u00ean quan \u0111\u1ebfn b\u1ec7nh si\u00eau tr\u00f9ng.<\/p>\n

                    – B\u00f9 l\u1ea1ch c\u00f3 t\u00ednh kh\u00e1ng thu\u1ed1c r\u1ea5t cao, n\u00ean \u0111\u1ecbnh k\u1ef3 7-10 ng\u00e0y\/l\u1ea7n phun d\u1ea7u kho\u00e1ng DC-Tron plus (Caltex) s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a b\u00f9 l\u1ea1ch; khi th\u1ea5y m\u1eadt s\u1ed1 v\u00e0i ba con tr\u00ean m\u1ed9t \u0111\u1ecdt non c\u1ea7n phun m\u1ed9t trong c\u00e1c lo\u1ea1i nh\u01b0 Confidor 100SL, Admire 50EC, Danitol 10EC, Vertimec…0.5-1%o, c\u1ea7n thay \u0111\u1ed5i thu\u1ed1c th\u01b0\u1eddng xuy\u00ean.<\/p>\n

                    – S\u00e2u xanh \u0111\u1ee5c tr\u00e1i (Heliothis armigera<\/em>)<\/a>:<\/h4>\n

                    Th\u00e0nh tr\u00f9ng l\u00e0 b\u01b0\u1edbm \u0111\u00eam, k\u00edch th\u01b0\u1edbc to, th\u00e2n m\u1eadp nhi\u1ec1u l\u00f4ng, c\u00e1nh m\u00e0u v\u00e0ng s\u00e1ng, gi\u1eeda c\u00e1nh c\u00f3 m\u1ed9t ch\u1ea5m \u0111en to v\u00e0 m\u1ed9t ch\u1ea5m tr\u1eafng n\u1eb1m c\u1ea1nh nhau. Tr\u1ee9ng \u0111\u1ebb th\u00e0nh \u1ed5 c\u00f3 ph\u1ee7 l\u00f4ng v\u00e0ng; m\u1ed9t b\u01b0\u1edbm c\u00e1i \u0111\u1ebb 200-2000 tr\u1ee9ng.<\/p>\n

                    \u00c2u tr\u00f9ng l\u00e0 s\u00e2u c\u00f3 nhi\u1ec1u l\u00f4ng, m\u00e0u s\u1eafc thay \u0111\u1ed5i t\u1eeb m\u00e0u h\u1ed3ng, xanh, xanh v\u00e0ng \u0111\u1ebfn n\u00e2u \u0111en theo m\u00f4i tr\u01b0\u1eddng s\u1ed1ng.<\/p>\n

                    S\u00e2u \u1edf ph\u00eda ng\u00f2ai th\u00f2 \u0111\u1ea7u v\u00e0o b\u00ean trong ph\u00e1 h\u1ea1i b\u00fap non, n\u1ee5 hoa, c\u1eafn \u0111i\u1ec3m sinh tr\u01b0\u1edfng, \u0111\u1ee5t th\u1ee7ng qu\u1ea3 t\u1eeb khi c\u00f2n xanh cho \u0111\u1ebfn l\u00fac g\u1ea7n ch\u00edn l\u00e0m th\u1ed1i tr\u00e1i.<\/p>\n

                    Nh\u1ed9ng m\u00e0u n\u00e2u \u0111\u1ecf n\u1eb1m trong l\u00e1 kh\u00f4 ho\u1eb7c trong \u0111\u1ea5t.<\/p>\n

                    – B\u1ecd ph\u1ea5n tr\u1eafng (Bemisia tabaci<\/em>)<\/a>:<\/h4>\n

                    Th\u00e0nh tr\u00f9ng m\u00e0u tr\u1eafng b\u00f3ng, d\u00e0i 3-4 mm, bay ch\u1eadm, h\u00ecnh d\u00e1ng gi\u1ed1ng nh\u01b0 b\u01b0\u1edbm.<\/p>\n

                    \u00c2u tr\u00f9ng r\u1ea5t gi\u1ed1ng r\u1ec7p d\u00ednh, m\u00e0u tr\u1eafng trong, \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp s\u00e1p, \u00edt b\u00f2, th\u01b0\u1eddng c\u1ed1 \u0111\u1ecbnh m\u1ed9t ch\u1ed5 ch\u00edch h\u00fat m\u00f4 c\u00e2y.<\/p>\n

                    Tr\u1ee9ng, \u1ea5u tr\u00f9ng v\u00e0 th\u00e0nh tr\u00f9ng lu\u00f4n lu\u00f4n hi\u1ec7n di\u1ec7n \u1edf m\u1eb7t d\u01b0\u1edbi l\u00e1 tr\u00ean c\u00e1c lo\u1ea1i c\u00e2y \u0103n tr\u00e1i, b\u1ea7u b\u00ed, d\u01b0a, c\u00e0, \u1edbt, b\u00f4ng v\u00e3i, thu\u1ed1c l\u00e1.<\/p>\n

                    \u1ea4u tr\u00f9ng v\u00e0 th\u00e0nh tr\u00f9ng \u0111\u1ec1u ch\u00edch h\u00fat l\u00e0m l\u00e1 bi\u1ebfn v\u00e0ng, c\u00e2y mau suy y\u1ebfu, gi\u1ea3m n\u0103ng su\u1ea5t v\u00e0 truy\u1ec1n b\u1ec7nh si\u00eau tr\u00f9ng nh\u01b0 r\u1ea7y m\u1ec1m.<\/p>\n

                    B\u1ecd ph\u1ea5n tr\u1eafng ph\u00e1t tri\u1ec3n nhanh trong \u0111i\u1ec1u ki\u1ec7n n\u00f3ng v\u00e0 kh\u00f4, r\u1ea5t d\u1ec5 quen thu\u1ed1c khi phun \u1edf n\u1ed3ng \u0111\u1ed9 cao, ho\u1eb7c phun th\u01b0\u1eddng xuy\u00ean \u0111\u1ecbnh k\u1ef3.<\/p>\n

                    Trong t\u1ef1 nhi\u00ean c\u00f3 nhi\u1ec1u lo\u00e0i ong k\u00fd sinh tr\u00ean \u1ea5u tr\u00f9ng b\u1ecd ph\u1ea5n tr\u1eafng. Thu\u1ed1c hi\u1ec7u qu\u1ea3 l\u00e0 Admire, Confidor, phun \u1edf m\u1eb7t d\u01b0\u1edbi l\u00e1.<\/p>\n

                    – R\u1ea7y nh\u1edbt, r\u1ea7y m\u1ec1m (Aphis<\/em> spp.)<\/a><\/h4>\n

                    C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 r\u1ea7y m\u1eadt, c\u1ea3 \u1ea5u tr\u00f9ng l\u1eabn th\u00e0nh tr\u00f9ng \u0111\u1ec1u r\u1ea5t nh\u1ecf, d\u00e0i \u0111\u1ed9 1-2mm, c\u00f3 m\u00e0u v\u00e0ng, s\u1ed1ng th\u00e0nh \u0111\u00e1m \u0111\u00f4ng \u1edf m\u1eb7t d\u01b0\u1edbi l\u00e1 non t\u1eeb khi c\u00e2y c\u00f3 2 l\u00e1 m\u1ea7m \u0111\u1ebfn khi thu ho\u1ea1ch, ch\u00edch h\u00fat nh\u1ef1a l\u00e0m cho ng\u1ecdn d\u00e2y d\u01b0a ch\u00f9n \u0111\u1ecdt v\u00e0 l\u00e1 b\u1ecb v\u00e0ng. R\u1ea7y truy\u1ec1n c\u00e1c lo\u1ea1i b\u1ec7nh si\u00eau vi khu\u1ea9n nh\u01b0 kh\u1ea3m v\u00e0ng. Ch\u00fang c\u00f3 r\u1ea5t nhi\u1ec1u thi\u00ean \u0111\u1ecbch nh\u01b0 b\u1ecd r\u00f9a, d\u00f2i, ki\u1ebfn, nh\u1ec7n n\u1ea5m.. n\u00ean ch\u1ec9 phun thu\u1ed1c khi n\u00e0o m\u1eadt s\u1ed1 qu\u00e1 cao \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u0103ng su\u1ea5t. Phun c\u00e1c lo\u1ea1i thu\u1ed1c ph\u1ed5 bi\u1ebfn r\u1ea7y m\u1ec1m nh\u01b0 Trebon, Bassa.<\/p>\n

                    d- S\u00e2u \u0103n t\u1ea1p, s\u00e2u \u1ed5, s\u00e2u \u0111\u00e0n (Spodoptera litura<\/em>)<\/a><\/h2>\n

                    – S\u00e2u non l\u00fac nh\u1ecf s\u1ed1ng t\u1eadp trung \u1edf m\u1eb7t d\u01b0\u1edbi phi\u1ebfn l\u00e1 n\u00ean g\u1ecdi l\u00e0 s\u00e2u \u1ed5, khi l\u1edbn l\u00ean ph\u00e2n t\u00e1n d\u1ea7n, m\u00ecnh c\u00f3 m\u00e0u x\u00e1m v\u1edbi khoan \u0111en l\u1edbn \u1edf tr\u00ean ph\u00eda l\u01b0ng sau \u0111\u1ea7u, \u0103n l\u1ee7ng l\u00e1 c\u00f3 h\u00ecnh d\u1ea1ng b\u1ea5t \u0111\u1ecbnh, ho\u1eb7c c\u1eafn \u0111\u1ee9t ngang th\u00e2n c\u00e2y con. Sau \u0111\u00f3 s\u00e2u th\u01b0\u1eddng chui v\u00e0o s\u1ed1ng trong \u0111\u1ea5t, \u1ea9n d\u01b0\u1edbi c\u00e1c k\u1ebb n\u1ee9t hay r\u01a1m r\u1ea1 ph\u1ee7 tr\u00ean m\u1eb7t \u0111\u1ea5t, nh\u1ed9ng \u1edf trong \u0111\u1ea5t.<\/p>\n

                    – N\u00ean l\u00e0m \u0111\u1ea5t k\u1ef9 tr\u01b0\u1edbc khi tr\u1ed3ng v\u1ee5 sau \u0111\u1ec3 di\u1ec7t s\u00e2u v\u00e0 nh\u1ed9ng c\u00f2n s\u1ed1ng trong \u0111\u1ea5t, x\u1eed l\u00fd \u0111\u1ea5t b\u1eb1ng thu\u1ed1c h\u1ea1t. C\u00f3 th\u1ec3 ng\u1eaft b\u1ecf \u1ed5 tr\u1ee9ng hay b\u1eaft s\u00e2u non \u0111ang s\u1ed1ng t\u1eadp trung.<\/p>\n

                    – N\u00ean thay \u0111\u1ed5i lo\u1ea1i thu\u1ed1c th\u01b0\u1eddng xuy\u00ean, phun v\u00e0o giai \u0111o\u1ea1n tr\u1ee9ng s\u1eafp n\u1edf s\u1ebd cho hi\u1ec7u qu\u1ea3 cao: Sumicidin 10EC, Cymbus 5EC, Karate 2.5EC, Decis 2.5 EC… 1-2%o c\u00f3 th\u1ec3 pha tr\u1ed9n v\u1edbi Atabron 5EC t\u1eeb 2-3 cc\/b\u00ecnh x\u1ecbt 8 l\u00edt.<\/p>\n

                    Bi\u1ec7n ph\u00e1p sinh h\u1ecdc <\/strong>\u0111\u00fang k\u1ef9 thu\u1eadt tr\u1ed3ng V\u00e0 Ch\u0103m S\u00f3c C\u00e2y \u1edat:<\/strong><\/h3>\n