{"id":35631,"date":"2024-08-27T14:29:42","date_gmt":"2024-08-27T07:29:42","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=35631"},"modified":"2024-08-27T14:29:53","modified_gmt":"2024-08-27T07:29:53","slug":"che-pham-vi-sinh-trong-san-xuat-nong-nghiep-ben-vung-va-mot-so-loai-che-pham-da-duoc-nghien-cuu-va-phat-trien","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/che-pham-vi-sinh-trong-san-xuat-nong-nghiep-ben-vung-va-mot-so-loai-che-pham-da-duoc-nghien-cuu-va-phat-trien\/","title":{"rendered":"Ch\u1ebf ph\u1ea9m vi sinh trong s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p b\u1ec1n v\u1eefng v\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i ch\u1ebf ph\u1ea9m \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n"},"content":{"rendered":"\n

1. Vai tr\u00f2 c\u1ee7a ch\u1ebf ph\u1ea9m vi sinh trong n\u00f4ng nghi\u1ec7p<\/strong><\/h3>\n\n\n\n

C\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea5t<\/strong> : Ch\u1ebf ph\u1ea9m vi sinh gi\u00fap duy tr\u00ec v\u00e0 c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac \u0111\u1ea5t, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ph\u00ec nhi\u00eau t\u1ef1 nhi\u00ean c\u1ee7a \u0111\u1ea5t. Vi sinh v\u1eadt trong ch\u1ebf ph\u1ea9m c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111\u01a1n gi\u1ea3n h\u01a1n m\u00e0 c\u00e2y tr\u1ed3ng c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 d\u1ec5 d\u00e0ng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap cung c\u1ea5p d\u01b0\u1ee1ng ch\u1ea5t li\u00ean t\u1ee5c cho c\u00e2y tr\u1ed3ng m\u00e0 c\u00f2n gi\u00fap t\u00e1i t\u1ea1o l\u1edbp m\u00f9n trong \u0111\u1ea5t, l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc v\u00e0 gi\u1ea3m s\u1ef1 x\u00f3i m\u00f2n.<\/p>\n\n\n\n

T\u0103ng n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00e2y tr\u1ed3ng<\/strong>: Vi sinh v\u1eadt c\u00f3 kh\u1ea3 n\u0103ng c\u1ed1 \u0111\u1ecbnh \u0111\u1ea1m, ph\u00e2n gi\u1ea3i l\u00e2n kh\u00f3 tan, v\u00e0 s\u1ea3n sinh c\u00e1c ch\u1ea5t k\u00edch th\u00edch sinh tr\u01b0\u1edfng t\u1ef1 nhi\u00ean nh\u01b0 axit indole-3-acetic (IAA). Nh\u1eefng ch\u1ea5t n\u00e0y gi\u00fap c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh h\u01a1n, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi s\u00e2u b\u1ec7nh v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, t\u1eeb \u0111\u00f3 t\u0103ng n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m n\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

Gi\u1ea3m thi\u1ec3u vi\u1ec7c s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n h\u00f3a h\u1ecdc v\u00e0 thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt<\/strong>: Ch\u1ebf ph\u1ea9m vi sinh gi\u00fap gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o ph\u00e2n b\u00f3n h\u00f3a h\u1ecdc v\u00e0 thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c d\u01b0\u1ee1ng ch\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e2y tr\u1ed3ng v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c lo\u1ea1i s\u00e2u b\u1ec7nh m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean. Vi\u1ec7c gi\u1ea3m s\u1eed d\u1ee5ng c\u00e1c h\u00f3a ch\u1ea5t n\u00e0y kh\u00f4ng ch\u1ec9 ti\u1ebft ki\u1ec7m chi ph\u00ed cho ng\u01b0\u1eddi n\u00f4ng d\u00e2n m\u00e0 c\u00f2n gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n th\u1ef1c ph\u1ea9m.<\/p>\n\n\n\n

T\u0103ng c\u01b0\u1eddng \u0111a d\u1ea1ng sinh h\u1ecdc<\/strong>: Vi sinh v\u1eadt c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec \u0111a d\u1ea1ng sinh h\u1ecdc trong h\u1ec7 sinh th\u00e1i \u0111\u1ea5t. S\u1ef1 \u0111a d\u1ea1ng n\u00e0y gi\u00fap t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng c\u00e2n b\u1eb1ng, trong \u0111\u00f3 c\u00e1c lo\u00e0i vi sinh v\u1eadt kh\u00e1c nhau th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng sinh th\u00e1i kh\u00e1c nhau, t\u1eeb \u0111\u00f3 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n v\u1eefng c\u1ee7a h\u1ec7 sinh th\u00e1i n\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

H\u1ed7 tr\u1ee3 canh t\u00e1c h\u1eefu c\u01a1<\/strong>: Trong n\u00f4ng nghi\u1ec7p h\u1eefu c\u01a1, vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ebf ph\u1ea9m vi sinh l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 then ch\u1ed1t. Ch\u1ebf ph\u1ea9m vi sinh kh\u00f4ng ch\u1ec9 cung c\u1ea5p dinh d\u01b0\u1ee1ng cho c\u00e2y tr\u1ed3ng m\u00e0 c\u00f2n gi\u00fap ki\u1ec3m so\u00e1t s\u00e2u b\u1ec7nh v\u00e0 c\u1ecf d\u1ea1i m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean. \u0110i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi nguy\u00ean t\u1eafc c\u1ee7a n\u00f4ng nghi\u1ec7p h\u1eefu c\u01a1 l\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c h\u00f3a ch\u1ea5t t\u1ed5ng h\u1ee3p.<\/p>\n\n\n\n

G\u00f3p ph\u1ea7n gi\u1ea3m ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh<\/strong>: Ch\u1ebf ph\u1ea9m vi sinh, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c vi sinh v\u1eadt c\u1ed1 \u0111\u1ecbnh \u0111\u1ea1m, gi\u00fap gi\u1ea3m ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh nh\u01b0 nit\u01a1 oxit (N\u2082O) t\u1eeb \u0111\u1ea5t n\u00f4ng nghi\u1ec7p. Vi\u1ec7c gi\u1ea3m ph\u00e1t th\u1ea3i n\u00e0y \u0111\u00f3ng g\u00f3p v\u00e0o vi\u1ec7c gi\u1ea3m bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, m\u1ed9t trong nh\u1eefng m\u1ee5c ti\u00eau quan tr\u1ecdng c\u1ee7a n\u00f4ng nghi\u1ec7p b\u1ec1n v\u1eefng.<\/p>\n\n\n\n

V\u00ec v\u1eady ch\u1ebf ph\u1ea9m vi sinh l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thi\u1ebft y\u1ebfu trong n\u1ed7 l\u1ef1c ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p b\u1ec1n v\u1eefng, kh\u00f4ng ch\u1ec9 gi\u00fap c\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00e2y tr\u1ed3ng m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, duy tr\u00ec s\u1ef1 \u0111a d\u1ea1ng sinh h\u1ecdc, v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p canh t\u00e1c h\u1eefu c\u01a1. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ebf ph\u1ea9m vi sinh v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p canh t\u00e1c kh\u00e1c s\u1ebd t\u1ea1o n\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng n\u00f4ng nghi\u1ec7p b\u1ec1n v\u1eefng, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u1ea3m b\u1ea3o an ninh l\u01b0\u01a1ng th\u1ef1c trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

2. C\u00e1c lo\u1ea1i ch\u1ebf ph\u1ea9m vi sinh \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n hi\u1ec7n nay<\/strong><\/h3>\n\n\n\n

Trung t\u00e2m nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n nhi\u1ec1u s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p nh\u01b0 BIMA (ch\u1ee9a c\u00e1c ch\u1ee7ng Trichoderma <\/em>spp\u2026) s\u1eed d\u1ee5ng \u1ee7 ph\u00e2n, BIONEMA (ch\u1ee9a c\u00e1c ch\u1ee7ng Purpureocillium <\/em>spp\u2026) ph\u00f2ng tr\u1eeb tuy\u1ebfn tr\u00f9ng, s\u1ea3n ph\u1ea9m x\u1eed l\u00fd m\u00f9i h\u00f4i chu\u1ed3ng tr\u1ea1i BIMIX (ch\u1ee9a c\u00e1c ch\u1ee7ng Bacillus <\/em>sp., Streptomyces <\/em>sp. vv).
<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

+<\/em><\/strong> B\u1ed9 ch\u1ebf ph\u1ea9m ki\u1ec3m so\u00e1t c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i<\/em><\/strong>
Trong qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n, c\u00e2y tr\u1ed3ng th\u01b0\u1eddng b\u1ecb c\u00f4n tr\u00f9ng t\u1ea5n c\u00f4ng g\u00e2y thi\u1ec7t h\u1ea1i v\u1ec1 n\u0103ng su\u1ea5t v\u00e0 ph\u1ea9m ch\u1ea5t n\u00f4ng s\u1ea3n. C\u00f4n tr\u00f9ng c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i b\u1ea5t c\u1ee9 giai \u0111o\u1ea1n n\u00e0o n\u00ean vi\u1ec7c ph\u00f2ng tr\u1ecb r\u1ea5t kh\u00f3 kh\u0103n. Thu\u1ed1c h\u00f3a h\u1ecdc c\u0169ng ch\u1ec9 c\u00f3 th\u1ec3 t\u1ea1m th\u1eddi d\u1eadp d\u1ecbch v\u00e0 r\u1ea5t d\u1ec5 kh\u00e1ng thu\u1ed1c. Trong m\u00f4i tr\u01b0\u1eddng canh t\u00e1c n\u00f4ng nghi\u1ec7p, s\u1ebd t\u1ed3n t\u1ea1i nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng thi\u00ean \u0111\u1ecbch l\u00e0m cho s\u1ed1 l\u01b0\u1ee3ng c\u00f4n tr\u00f9ng b\u1ecb suy gi\u1ea3m, tuy nhi\u00ean n\u1ebfu ch\u1ec9 d\u1ef1a v\u00e0o l\u01b0\u1ee3ng thi\u00ean \u0111\u1ecbch t\u1ef1 nhi\u00ean s\u1ebd kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t k\u1ecbp th\u1eddi s\u1ef1 g\u00e2y h\u1ea1i. D\u1ef1a v\u00e0o c\u01a1 ch\u1ebf \u0111\u1ed1i kh\u00e1ng sinh h\u1ecdc t\u00ecm ra nh\u1eefng lo\u00e0i vi sinh g\u00e2y b\u1ec7nh cho c\u00f4n tr\u00f9ng \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 s\u1ea3n xu\u1ea5t th\u00e0nh nh\u1eefng lo\u1ea1i ch\u1ebf ph\u1ea9m v\u1edbi m\u1eadt \u0111\u1ed9 cao \u00e1p d\u1ee5ng trong ph\u00f2ng ng\u1eeba ngay t\u1eeb \u0111\u1ea7u s\u1ebd t\u1ea1o ra \u01b0u th\u1ebf ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n.
<\/p>\n\n\n\n

N\u1ea5m Metarhizium<\/em> anisopliae <\/em>hay c\u00f2n g\u1ecdi l\u00e0 n\u1ea5m xanh c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebft nhi\u1ec1u enzyme ngo\u1ea1i b\u00e0o nh\u01b0 protease, lipase, chitinase\u2026 v\u00e0 nhi\u1ec1u lo\u1ea1i \u0111\u1ed9c t\u1ed1, \u0111\u00e2y l\u00e0 lo\u00e0i n\u1ea5m \u0111\u00e3 \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 nghi\u00ean c\u1ee9u trong n\u01b0\u1edbc v\u00e0 th\u1ebf gi\u1edbi ghi nh\u00e2n c\u00f3 kh\u1ea3 n\u0103ng k\u00fd sinh ki\u1ec3m so\u00e1t c\u00f4n tr\u00f9ng \u1edf c\u1ea3 giai \u0111o\u1ea1n \u1ea5u tr\u00f9ng v\u00e0 th\u00e0nh tr\u00f9ng. N\u0103m 2014, trung t\u00e2m \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 thu th\u1eadp \u0111\u01b0\u1ee3c b\u1ed9 ch\u1ee7ng n\u1ea5m M. anisopliae, \u0111\u00e3 ho\u00e0n th\u00e0nh quy tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u1ebf ph\u1ea9m BIOMETAR ch\u1ee9a n\u1ea5m M. anisopliae c\u00f3 th\u1ec3 chuy\u1ec3n giao \u1ee9ng d\u1ee5ng ph\u00f2ng tr\u1eeb r\u1ea7y, r\u1ec7p, s\u00e2u non b\u1ed9 c\u00e1nh v\u1ea9y, s\u00f9ng khoai lang,\u2026. M\u1ed9t s\u1ed1 ch\u1ebf ph\u1ea9m t\u1eeb vi sinh kh\u00e1c c\u0169ng \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng nh\u01b0: <\/p>\n\n\n\n

  • Purpureocillium <\/em>sp., Nomuraea rileyi<\/em>, Bacillus thuringiensis <\/em>(Bt), Lecanicillium<\/em> tenuipes<\/em>\u2026 – Purpureocillium <\/em>sp.: n\u1ea5m c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebft enzyme ngo\u1ea1i b\u00e0o l\u00e0m ph\u00e2n h\u1ee7y l\u1edbp v\u1ecf c\u1ee7a tr\u1ee9ng v\u00e0 l\u1edbp da tuy\u1ebfn tr\u00f9ng. Ngo\u00e0i ra, n\u1ea5m c\u00f2n h\u00ecnh th\u00e0nh c\u00e1c \u0111\u0129a \u00e1p b\u00e1m ch\u1eb7t xung quanh l\u1edbp v\u1ecf, sau \u0111\u00f3 m\u1ed9t v\u00e0i s\u1ee3i n\u1ea5m ph\u00e1t tri\u1ec3n d\u1ecdc theo b\u1ec1 m\u1eb7t tr\u1ee9ng t\u1ea1o th\u00e0nh m\u1ea1ng l\u01b0\u1edbi c\u00e1c s\u1ee3i n\u1ea5m bao quanh tr\u1ee9ng, con c\u00e1i tuy\u1ebfn tr\u00f9ng. N\u1ea5m c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng k\u00fd sinh r\u1ec7p s\u00e1p g\u00e2y h\u1ea1i tr\u00ean c\u00e2y rau, c\u00e2y \u0103n tr\u00e1i. <\/li>
  • Nomuraea rileyi<\/em>: c\u00f3 kh\u1ea3 n\u0103ng k\u00fd sinh g\u00e2y b\u1ec7nh quan tr\u1ecdng tr\u00ean c\u00e1c lo\u00e0i s\u00e2u h\u1ea1i nh\u01b0 s\u00e2u xanh da l\u00e1ng h\u1ea1i \u0111\u1eadu n\u00e0nh, lo\u00e0i s\u00e2u xanh b\u01b0\u1edbm tr\u1eafng, s\u00e2u \u0103n t\u1ea1p v\u00e0 s\u00e2u \u0111\u1ee5c qu\u1ea3 h\u1ea1i rau h\u1ecd th\u1eadp t\u1ef1.<\/li>
  • Bacillus thuringiensis<\/em>: t\u1ea1o tinh th\u1ec3 \u0111\u1ed9c h\u00ecnh kh\u1ed1i, th\u1ec3 hi\u1ec7n t\u00ednh \u0111\u1ed9c \u0111\u1eb7c hi\u1ec7u tr\u00ean b\u1ed9 c\u00f4n tr\u00f9ng hai c\u00e1nh.<\/li>
  • Lecanicillium tenuipes<\/em>: n\u1ea5m c\u00f3 kh\u1ea3 n\u0103ng k\u00fd sinh t\u1ef1 nhi\u00ean v\u00e0 gi\u1ebft ch\u1ebft nhi\u1ec1u lo\u1ea1i c\u00f4n tr\u00f9ng kh\u00e1c nhau nh\u01b0 r\u1ec7p, ru\u1ed3i tr\u1eafng, b\u1ed9 c\u00e1nh \u0111\u1ec1u, b\u1ed9 c\u00e1nh c\u1ee9ng, b\u1ed9 c\u00e1nh th\u1eb3ng, b\u01b0\u1edbm. C\u00e1ch th\u1ee9c x\u00e2m nhi\u1ec5m: s\u1eed d\u1ee5ng c\u1ea3 kh\u1ea3 n\u0103ng x\u00e2m nh\u1eadp v\u1ec1 c\u01a1 h\u1ecdc v\u00e0 ti\u1ebft enzyme \u0111\u1ec3 th\u00e2m nh\u1eadp tr\u1ef1c ti\u1ebfp qua l\u1edbp da c\u1ee7a c\u00f4n tr\u00f9ng, sau \u0111\u00f3 \u0111\u01b0a ch\u1ea5t \u0111\u1ed9c c\u1ee7a n\u1ea5m qua th\u00e0nh t\u1ebf b\u00e0o v\u00e0o v\u1eadt ch\u1ee7. N\u1ea5m ph\u00e1t tri\u1ec3n v\u00e0 x\u00e2m chi\u1ebfm c\u00e1c t\u1ed5 ch\u1ee9c m\u00f4 c\u1ee7a v\u1eadt ch\u1ee7, nhanh ch\u00f3ng g\u00e2y ra c\u00e1i ch\u1ebft cho c\u00f4n tr\u00f9ng.<\/li><\/ul>\n\n\n\n
    \"\"<\/figure><\/div>\n\n\n\n

    + B\u1ed9 ch\u1ebf ph\u1ea9m ki\u1ec3m so\u00e1t b\u1ec7nh h\u1ea1i<\/em><\/strong>
    Ngo\u00e0i d\u1ecbch h\u1ea1i v\u1ec1 c\u00f4n tr\u00f9ng, c\u00e2y tr\u1ed3ng c\u00f2n b\u1ecb \u1ea3nh h\u01b0\u1edfng n\u1eb7ng n\u1ec1 b\u1edfi c\u00e1c lo\u00e0i n\u1ea5m vi khu\u1ea9n g\u00e2y b\u1ec7nh. Nh\u1eefng lo\u00e0i n\u1ea5m g\u00e2y h\u1ea1i ph\u1ed5 bi\u1ebfn nh\u01b0 Collectotrichum<\/em> sp., Phytophthora<\/em> sp., Rhizoctonia<\/em> sp., v\u00e0 Fusarium<\/em> sp. ch\u00fang l\u01b0u t\u1ed3n trong \u0111\u1ea5t, t\u00e0n d\u01b0 th\u1ef1c v\u1eadt r\u1ea5t kh\u00f3 x\u1eed l\u00fd. T\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m n\u1ea5m b\u1ec7nh v\u00e0 t\u00e1c nh\u00e2n \u0111\u1ed1i kh\u00e1ng ch\u00fang l\u00e0 h\u01b0\u1edbng \u0111i \u0111\u1ec3 ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3. C\u00e1c ch\u1ee7ng vi sinh c\u00f3 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t n\u1ea5m b\u1ec7nh g\u00e2y h\u1ea1i nh\u01b0: Trichoderma<\/em> spp., Bacillus <\/em>spp., Pseudomonas <\/em>spp., Streptomyces <\/em>spp., \u2026\u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u t\u1ea1o ch\u1ebf ph\u1ea9m ph\u1ee5c v\u1ee5 c\u00e1c \u0111\u01a1n v\u1ecb, c\u00e1 nh\u00e2n c\u00f3 nhu c\u1ea7u s\u1eed d\u1ee5ng.
    <\/p>\n\n\n\n

    Trichoderma <\/em>spp., Bacillus <\/em>spp., Pseudomonas <\/em>spp., Streptomyces <\/em>spp.: c\u00f3 kh\u1ea3 n\u0103ng ph\u00f2ng tr\u1eeb hi\u1ec7u qu\u1ea3 nhi\u1ec1u n\u1ea5m, vi khu\u1ea9n g\u00e2y b\u1ec7nh trong \u0111\u1ea5t nh\u01b0 b\u1ec7nh ch\u1ebft nhanh, ch\u1ebft ch\u1eadm, b\u1ec7nh th\u1ed1i nh\u0169n, b\u1ec7nh l\u1ee1 c\u1ed5 r\u1ec3, b\u1ec7nh h\u00e9o r\u1ee7\u2026 b\u1eb1ng c\u00e1c c\u01a1 ch\u1ebf \u0111\u1ed1i kh\u00e1ng, k\u00fd sinh, ti\u1ebft enzyme. Ngo\u00e0i ra, ch\u00fang c\u00f2n ti\u1ebft ra nh\u1eefng ch\u1ea5t k\u00edch th\u00edch s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng th\u00f4ng qua s\u1ef1 h\u1ea5p thu c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ee7a ch\u00fang ho\u1eb7c ti\u1ebft c\u00e1c ch\u1ea5t chuy\u1ec3n h\u00f3a c\u00f3 kh\u1ea3 n\u0103ng k\u00edch th\u00edch s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng nh\u01b0 c\u00e1c hormone t\u0103ng tr\u01b0\u1edfng. M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a c\u00e1c t\u00e1c nh\u00e2n sinh h\u1ecdc c\u00f3 \u00edch l\u00e0 ch\u00fang c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i v\u00e0 l\u01b0u t\u1ed3n trong t\u1ef1 nhi\u00ean t\u1ea1o d\u1ef1ng s\u1eb5n m\u1ed9t m\u00f4i tr\u01b0\u1eddng thu\u1eadn l\u1ee3i h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e1t tri\u1ec3n qu\u00e1 m\u1ee9c c\u1ee7a d\u1ecbch h\u1ea1i.<\/p>\n\n\n\n

    \"\"<\/figure><\/div>\n\n\n\n
    \"\"<\/figure><\/div>\n\n\n\n

    + B\u1ed9 ch\u1ebf ph\u1ea9m vi sinh d\u00f9ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea5t<\/em><\/strong>
    Vi\u1ec7c l\u1ea1m d\u1ee5ng thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt, ph\u00e2n b\u00f3n v\u00f4 c\u01a1, thu\u1ed1c t\u0103ng tr\u01b0\u1edfng\u2026 trong qu\u00e1 tr\u00ecnh canh t\u00e1c n\u00f4ng nghi\u1ec7p \u0111\u00e3 khi\u1ebfn \u0111\u1ea5t \u0111ai tr\u1edf n\u00ean b\u1ea1c m\u00e0u, c\u1eb1n c\u1ed7i, c\u00e2y kh\u00f3 h\u1ea5p th\u1ee5 ch\u1ea5t dinh d\u01b0\u1ee1ng. Do \u0111\u00f3, b\u00ean c\u1ea1nh vi\u1ec7c nghi\u00ean c\u1ee9u ho\u00e0n thi\u1ec7n quy tr\u00ecnh canh t\u00e1c \u0111\u1ec3 b\u00f3n \u0111\u00fang, b\u00f3n \u0111\u1ee7 th\u00ec vi\u1ec7c c\u1ea3i t\u1ea1o \u0111\u1ea5t canh t\u00e1c c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh song song \u0111\u1ec3 h\u01b0\u1edbng \u0111\u1ebfn n\u1ec1n n\u00f4ng nghi\u1ec7p xanh, b\u1ec1n v\u1eefng. Trong nhi\u1ec1u n\u0103m g\u1ea7n \u0111\u00e2y, c\u00f4ng ngh\u1ec7 sinh h\u1ecdc hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 g\u00f3p ph\u1ea7n t\u00edch c\u1ef1c v\u00e0o vi\u1ec7c t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m c\u1ea3i t\u1ea1o \u0111\u1ea5t (cung c\u1ea5p m\u00f9n cho \u0111\u1ea5t, gi\u00fap \u0111\u1ea5t t\u01a1i x\u1ed1p, gi\u1eef \u1ea9m, ch\u1ed1ng \u00fang\u2026), ph\u1ee5c h\u1ed3i \u0111\u1ea5t b\u1ea1c m\u00e0u, c\u1eb1n c\u1ed7i do s\u1eed d\u1ee5ng thu\u1ed1c h\u00f3a h\u1ecdc l\u00e2u ng\u00e0y, t\u0103ng c\u01b0\u1eddng vi sinh v\u1eadt c\u00f3 l\u1ee3i cho \u0111\u1ea5t. Vi sinh v\u1eadt c\u00f2n gi\u00fap chuy\u1ec3n h\u00f3a ch\u1ea5t h\u1eefu c\u01a1 trong \u0111\u1ea5t th\u00e0nh c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng cho c\u00e2y, ph\u00e2n h\u1ee7y thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m, gi\u00fap v\u1eadn chuy\u1ec3n c\u00e1c kho\u00e1ng ch\u1ea5t trong v\u00f9ng r\u1ec5. Nh\u1edd v\u1eady, ch\u1ebf ph\u1ea9m vi sinh c\u00f3 l\u1ee3i gi\u00fap t\u0103ng c\u01b0\u1eddng n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00e2y tr\u1ed3ng.<\/p>\n\n\n\n


    Xu h\u01b0\u1edbng s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i ch\u1ebf ph\u1ea9m vi sinh d\u1ef1a v\u00e0o c\u01a1 ch\u1ebf ph\u00e2n gi\u1ea3i v\u00e0 t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng cung c\u1ea5p cho c\u00e2y tr\u1ed3ng g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t v\u00e0 gi\u1ea3m \u0111\u01b0\u1ee3c chi ph\u00ed s\u1ea3n xu\u1ea5t t\u1eeb \u0111\u00f3 n\u00e2ng thu nh\u1eadp cho ng\u01b0\u1eddi n\u00f4ng d\u00e2n \u0111ang \u0111\u01b0\u1ee3c quan t\u00e2m t\u00ecm \u0111\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u. Trung t\u00e2m c\u00f4ng ngh\u1ec7 sinh h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 x\u00e2y d\u1ef1ng quy tr\u00ecnh s\u1ea3n xu\u1ea5t nhi\u1ec1u ch\u1ee7ng vi sinh c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n gi\u1ea3i l\u00e2n, c\u1ed1 \u0111\u1ecbnh \u0111\u1ea1m, ph\u00e2n gi\u1ea3i c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 th\u00e0nh nh\u1eefng ch\u1ea5t h\u1eefu d\u1ee5ng cho c\u00e2y tr\u1ed3ng. T\u1eeb nh\u1eefng t\u1ed5 h\u1ee3p ch\u1ee7ng vi sinh n\u00e0y \u0111\u00e3 t\u1ea1o ra nh\u1eefng d\u00f2ng s\u1ea3n ph\u1ea9m kh\u00e1c nhau nh\u01b0 ch\u1ebf ph\u1ea9m BIO \u0110\u1ea1m L\u00e2n c\u1ed1 \u0111\u1ecbnh \u0111\u1ea1m v\u00e0 ph\u00e2n gi\u1ea3i l\u00e2n kh\u00f3 tan th\u00e0nh l\u00e2n d\u1ec5 tan, c\u00e1c set ph\u00e2n h\u1ee7y c\u00e1, ph\u00e2n b\u00f2, ph\u00e2n chu\u1ed3ng\u2026<\/p>\n\n\n\n

    \"\"<\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"

    1. Vai tr\u00f2 c\u1ee7a ch\u1ebf ph\u1ea9m vi sinh trong n\u00f4ng nghi\u1ec7p C\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea5t : Ch\u1ebf ph\u1ea9m vi sinh gi\u00fap duy tr\u00ec v\u00e0 c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac \u0111\u1ea5t, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ph\u00ec nhi\u00eau t\u1ef1 nhi\u00ean c\u1ee7a \u0111\u1ea5t. Vi sinh v\u1eadt trong ch\u1ebf ph\u1ea9m c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 ph\u1ee9c […]<\/p>\n","protected":false},"author":26,"featured_media":35637,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-35631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/35631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=35631"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/35631\/revisions"}],"predecessor-version":[{"id":35638,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/35631\/revisions\/35638"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/35637"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=35631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=35631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=35631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}