{"id":3606,"date":"2017-08-09T15:53:07","date_gmt":"2017-08-09T08:53:07","guid":{"rendered":"http:\/\/wasi.org.vn\/?p=3606"},"modified":"2017-08-09T15:53:29","modified_gmt":"2017-08-09T08:53:29","slug":"nghien-cuu-mot-bien-phap-xu-ly-tuyen-trung-cho-cay-ca-phe-voi-trong-giai-doan-vuon-uom","status":"publish","type":"post","link":"https:\/\/wasi.org.vn\/en\/nghien-cuu-mot-bien-phap-xu-ly-tuyen-trung-cho-cay-ca-phe-voi-trong-giai-doan-vuon-uom\/","title":{"rendered":"Nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p x\u1eed l\u00fd tuy\u1ebfn tr\u00f9ng cho c\u00e2y c\u00e0 ph\u00ea v\u1ed1i trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m"},"content":{"rendered":"

L\u00ea V\u0103n B\u1ed1n, \u0110<\/em><\/strong>inh Th\u1ecb Ti\u1ebfu Oanh, Nguy\u1ec5n Th\u1ecb Thanh Mai, <\/em><\/strong><\/span><\/p>\n

Nguy\u1ec5n \u0110\u00ecnh Tho\u1ea3ng v\u00e0 c\u1ed9ng s\u1ef1,<\/em><\/strong><\/span><\/p>\n

B\u1ed9 m\u00f4n C\u00e2y C\u00f4ng nghi\u1ec7p<\/em><\/strong><\/span><\/p>\n

\u00a01.<\/strong><\/span>\u0110\u1eb7t v\u1ea5n \u0111\u1ec1<\/strong><\/span><\/p>\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, vi\u1ec7c t\u00e1i canh c\u00e2y c\u00e0 ph\u00ea \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi b\u1ec7nh v\u00e0ng l\u00e1 th\u1ed1i r\u1ec5 do tuy\u1ebfn tr\u00f9ng v\u00e0 n\u1ea5m g\u00e2y ra. C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00e1i canh th\u00e0nh c\u00f4ng v\u00e0 th\u1ea5t b\u1ea1i, trong \u0111\u00f3 c\u00e2y gi\u1ed1ng l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e2y gi\u1ed1ng s\u1ea1ch b\u1ec7nh trong t\u00e1i canh s\u1ebd mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao v\u00e0 s\u1ebd h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c s\u1ef1 l\u00e2y lan ngu\u1ed3n b\u1ec7nh ra ngo\u00e0i \u0111\u1ed3ng ru\u1ed9ng.<\/span><\/p>\n

Xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m \u201cNghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p x\u1eed l\u00fd tuy\u1ebfn tr\u00f9ng cho c\u00e2y c\u00e0 ph\u00ea trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m\u201d <\/em>v\u1edbi m\u1ee5c ti\u00eau gi\u00fap c\u00e2y gi\u1ed1ng sinh tr\u01b0\u1edfng kh\u1ecfe, kh\u00f4ng b\u1ecb nhi\u1ec5m tuy\u1ebfn tr\u00f9ng g\u00e2y h\u1ea1i, g\u00f3p ph\u1ea7n cho c\u00f4ng t\u00e1c t\u00e1i canh c\u00e0 ph\u00ea th\u00e0nh c\u00f4ng.<\/span><\/p>\n

2.V\u1eadt li\u1ec7u, \u0111\u1ecba \u0111i\u1ec3m, th\u1eddi gian<\/strong>, n\u1ed9i dung<\/strong> v\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/strong><\/span><\/p>\n

2.1. V\u1eadt li\u1ec7u<\/strong><\/span><\/p>\n

– \u0110\u1ea5t \u0111\u1ecf bazan l\u1ea5y \u1edf t\u1ea7ng \u0111\u1ea5t m\u1eb7t, c\u00f3 tuy\u1ebfn tr\u00f9ng v\u1edbi m\u1eadt \u0111\u1ed9 cao.<\/span><\/p>\n

– C\u00e1c lo\u1ea1i ph\u00e2n vi sinh v\u1eadt v\u00e0 thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt, bao g\u1ed3m:<\/span><\/p>\n

+ \u0110i\u1ec1n Trang-NEMA: l\u00e0 ph\u00e2n vi sinh v\u1eadt, th\u00e0nh ph\u1ea7n g\u1ed3m Trichoderma spp<\/em>.<\/em> (1 x 108<\/sup> cfu\/g); Paecilomyces spp<\/em>. (1 x 108<\/sup> cfu\/g).<\/span><\/p>\n

+ Tervigo 020 SC: l\u00e0 thu\u1ed1c tr\u1eeb tuy\u1ebfn tr\u00f9ng sinh h\u1ecdc, ho\u1ea1t ch\u1ea5t Abamectin.<\/span><\/p>\n

+ Vimoca 20 EC: l\u00e0 thu\u1ed1c tr\u1eeb tuy\u1ebfn tr\u00f9ng h\u00f3a h\u1ecdc, ho\u1ea1t ch\u1ea5t Ethoprophos.<\/span><\/p>\n

\u0110\u1ea5t \u0111\u01b0\u1ee3c tr\u1ed9n ph\u00e2n chu\u1ed3ng hoai m\u1ee5c v\u1edbi t\u1ef7 l\u1ec7 3:1, b\u1ed5 sung supe l\u00e2n 15 kg\/m3 <\/sup>h\u1ed7n h\u1ee3p tr\u01b0\u1edbc khi x\u1eed l\u00fd \u0111\u1ea5t.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + C\u00e2y gi\u1ed1ng: c\u00e0 ph\u00ea v\u1ed1i lai TRS1<\/span><\/p>\n

\u00a02.<\/strong>2<\/strong>. \u0110\u1ecba \u0111i\u1ec3m v\u00e0 th\u1eddi gian th\u1ef1c hi\u1ec7n<\/strong><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i Khu v\u01b0\u1eddn \u01b0\u01a1m c\u1ee7a Vi\u1ec7n Khoa h\u1ecdc K\u1ef9 thu\u1eadt N\u00f4ng L\u00e2m nghi\u1ec7p T\u00e2y Nguy\u00ean. Th\u1eddi gian th\u1ef1c hi\u1ec7n t\u1eeb th\u00e1ng 2\/2015 \u0111\u1ebfn th\u00e1ng 7\/2017.<\/span><\/p>\n

2.3. <\/strong>N\u1ed9i dung v\u00e0 p<\/strong>h\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/strong><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * N\u1ed9i dung nghi\u00ean c\u1ee9u: Nghi\u00ean c\u1ee9u c\u00e1c bi\u1ec7n ph\u00e1p x\u1eed l\u00fd \u0111\u1ea5t ph\u00f2ng tr\u1eeb tuy\u1ebfn tr\u00f9ng cho c\u00e2y c\u00e0 ph\u00ea v\u1ed1i trong v\u01b0\u1eddn \u01b0\u01a1m (ch\u01b0a \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1ea5t tr\u01b0\u1edbc khi \u0111\u00f3ng b\u1ea7u \u01b0\u01a1m c\u00e2y).<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u: Th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed ho\u00e0n to\u00e0n ng\u1eabu nhi\u00ean (CRD), g\u1ed3m 4 c\u00f4ng th\u1ee9c, 3 l\u1ea7n l\u1eb7p l\u1ea1i, m\u1ed7i \u00f4 c\u01a1 s\u1edf b\u1ed1 tr\u00ed 200 b\u1ea7u c\u00e2y, t\u1ed5ng s\u1ed1 c\u00e2y th\u00ed nghi\u1ec7m l\u00e0 2.400 b\u1ea7u c\u00e2y.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1c c\u00f4ng th\u1ee9c g\u1ed3m:<\/span><\/p>\n

+ CT1: \u0110i\u1ec1n Trang-NEMA (n\u1ed3ng \u0111\u1ed9 0,25 %)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + CT2: Tervigo 020 SC (n\u1ed3ng \u0111\u1ed9 0,3 %)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + CT3: Vimoca 20 EC (n\u1ed3ng \u0111\u1ed9 0,15 %)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + CT4: \u0110\u1ed1i ch\u1ee9ng (kh\u00f4ng x\u1eed l\u00fd)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + CT1: Pha ph\u00e2n vi sinh v\u1eadt \u0110i\u1ec1n Trang-NEMA v\u1edbi n\u1ed3ng \u0111\u1ed9 0,25 %, phun \u0111\u1ec1u l\u00ean b\u1ea7u c\u00e2y, \u0111\u1ecbnh k\u1ef3 1 th\u00e1ng\/l\u1ea7n (phun 4 l\u1ea7n).<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + CT2: Pha Tervigo 020 SC v\u1edbi n\u1ed3ng \u0111\u1ed9 0,3%, phun \u0111\u1ec1u l\u00ean b\u1ea7u c\u00e2y, \u0111\u1ecbnh k\u1ef3 2 th\u00e1ng\/l\u1ea7n (phun 2 l\u1ea7n).<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + CT3: Pha thu\u1ed1c Vimoca 20 EC v\u1edbi n\u1ed3ng \u0111\u1ed9 0,15% phun \u0111\u1ec1u l\u00ean b\u1ea7u c\u00e2y, \u0111\u1ecbnh k\u1ef3 2 th\u00e1ng\/l\u1ea7n (phun 2 l\u1ea7n).<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Th\u1eddi \u0111i\u1ec3m x\u1eed l\u00fd: l\u1ea7n \u0111\u1ea7u sau khi c\u1eafm c\u00e2y c\u00e0 ph\u00ea v\u1ed1i l\u00e1 s\u00f2 \u0111\u01b0\u1ee3c 1,5 th\u00e1ng<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 – C\u00e1c ch\u1ec9 ti\u00eau theo d\u00f5i:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + Th\u00e0nh ph\u1ea7n, m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong b\u1ea7u \u0111\u1ea5t tr\u01b0\u1edbc khi \u0111\u00f3ng b\u1ea7u.<\/span><\/p>\n

+ Th\u00e0nh ph\u1ea7n, m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t v\u00e0 r\u1ec5 c\u1ee7a c\u00e2y con sau 2, 4 v\u00e0 6 th\u00e1ng.<\/span><\/p>\n

\u00a0\u00a0 + Sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y con sau 2, 4 v\u00e0 6 th\u00e1ng.<\/span><\/p>\n

\u00a0\u00a0 + T\u1ef7 l\u1ec7 c\u00e2y ch\u1ebft, t\u1ef7 l\u1ec7 c\u00e2y \u0111\u1ee7 ti\u00eau chu\u1ea9n xu\u1ea5t v\u01b0\u1eddn (%).<\/span><\/p>\n

3.K\u1ebft qu\u1ea3 v\u00e0 th\u1ea3o lu\u1eadn<\/strong><\/span><\/p>\n

K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t t\u1ea1i th\u1eddi \u0111i\u1ec3m tr\u01b0\u1edbc khi v\u00e0o b\u1ea7u cho th\u1ea5y t\u1ed5ng m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t l\u00e0 140 con\/100 g \u0111\u1ea5t. Trong \u0111\u00f3 m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng Pratylenchus <\/em>spp<\/em>.<\/em> l\u00e0 106 con\/100 g \u0111\u1ea5t, m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng Meloidogyne spp.<\/em> l\u00e0 34 con\/100 g \u0111\u1ea5t. V\u1edbi m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng tr\u00ean 100 con\/100 g \u0111\u1ea5t n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd s\u1ebd \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn s\u1ef1 sinh tr\u01b0\u1edfng v\u00e0 c\u1ee7a c\u00e2y gi\u1ed1ng trong v\u01b0\u1eddn \u01b0\u01a1m, c\u0169ng nh\u01b0 sau khi tr\u1ed3ng.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 1.<\/strong> M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t tr\u01b0\u1edbc khi \u0111\u00f3ng b\u1ea7u<\/strong><\/span><\/p>\n\n\n\n\n\n
\n

TT<\/strong><\/span><\/p>\n<\/td>\n

\n

Th\u00e0nh ph\u1ea7n tuy\u1ebfn tr\u00f9ng<\/strong><\/span><\/p>\n<\/td>\n

\n

M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t (con\/100 g \u0111\u1ea5t)<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

Pratylenchus spp<\/em>.<\/em><\/span><\/p>\n<\/td>\n

\n

106<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

Meloidogyne spp<\/em>.<\/em><\/span><\/p>\n<\/td>\n

\n

34<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0 Theo d\u00f5i di\u1ec5n bi\u1ebfn m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t v\u00e0 r\u1ec5 c\u1ee7a c\u00e2y con sau 2, 4, 6 th\u00e1ng\u00a0 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u1ea3ng 2, 3 v\u00e0 4.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 2. M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t v\u00e0 r\u1ec5 sau khi c\u1eafm c\u00e2y 2 th\u00e1ng<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/strong><\/span><\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/strong><\/span><\/p>\n<\/td>\n

\n

M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t <\/strong><\/span><\/p>\n

(con\/100 g \u0111\u1ea5t)<\/strong><\/span><\/p>\n<\/td>\n

\n

M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong r\u1ec5 <\/strong><\/span><\/p>\n

(con\/5 g r\u1ec5)<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

Pra.<\/em><\/span><\/p>\n<\/td>\n

\n

Mel.<\/em><\/span><\/p>\n<\/td>\n

\n

Pra.<\/em><\/span><\/p>\n<\/td>\n

\n

Mel.<\/em><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

\u0110i\u1ec1n Trang-NEMA<\/span><\/p>\n<\/td>\n

\n

5<\/span><\/p>\n<\/td>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

Tervigo 020 SC<\/span><\/p>\n<\/td>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

Vimoca 20 EC<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/span><\/p>\n<\/td>\n

\n

17<\/span><\/p>\n<\/td>\n

\n

15<\/span><\/p>\n<\/td>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

4<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1ea1i th\u1eddi \u0111i\u1ec3m sau khi c\u1eafm c\u00e2y 2 th\u00e1ng, sau khi x\u1eed l\u00fd thu\u1ed1c \u0111\u1ee3t 1 \u0111\u01b0\u1ee3c 15 ng\u00e0y cho th\u1ea5y, m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd \u0111\u00e3 gi\u1ea3m r\u00f5 r\u1ec7t so v\u1edbi c\u00f4ng th\u1ee9c \u0111\u1ed1i ch\u1ee9ng, trong \u0111\u00f3 c\u00f4ng th\u1ee9c x\u1eed l\u00fd Vimoca 20 EC kh\u00f4ng xu\u1ea5t hi\u1ec7n tuy\u1ebfn tr\u00f9ng. Hai c\u00f4ng th\u1ee9c x\u1eed l\u00fd \u0110i\u1ec1n Trang-NEMA v\u00e0 Tervigo 020 SC \u0111\u1ec1u c\u00f3 m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t th\u1ea5p, t\u01b0\u01a1ng \u1ee9ng l\u00e0 7 con v\u00e0 4 con\/100 g \u0111\u1ea5t, trong khi t\u1ed5ng m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t c\u1ee7a c\u00f4ng th\u1ee9c \u0111\u1ed1i ch\u1ee9ng l\u00e0 32 con\/100 g \u0111\u1ea5t. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, \u1edf c\u00f4ng th\u1ee9c \u0111\u1ed1i ch\u1ee9ng, tuy\u1ebfn tr\u00f9ng Pratylenchus spp<\/em>.<\/em> v\u00e0 Meloidogyne spp<\/em>.<\/em> \u0111\u00e3 x\u00e2m nh\u1eadp v\u00e0 k\u00fd sinh trong r\u1ec5 v\u1edbi t\u1ed5ng m\u1eadt s\u1ed1 7 con\/5 g r\u1ec5, trong khi c\u00e1c c\u00f4ng th\u1ee9c c\u00f3 x\u1eed l\u00fd thu\u1ed1c, s\u1ef1 x\u00e2m nh\u1eadp v\u00e0 k\u00fd sinh c\u1ee7a tuy\u1ebfn tr\u00f9ng v\u00e0o trong r\u1ec5 \u0111\u00e3 \u0111\u01b0\u1ee3c h\u1ea1n ch\u1ebf kh\u00e1 t\u1ed1t.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 3. M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t v\u00e0 r\u1ec5 sau khi c\u1eafm c\u00e2y 4 th\u00e1ng<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/strong><\/span><\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/strong><\/span><\/p>\n<\/td>\n

\n

M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t <\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/strong>(con\/100 g \u0111\u1ea5t)<\/strong><\/span><\/p>\n<\/td>\n

\n

M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong r\u1ec5 <\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/strong>(con\/5 g r\u1ec5)<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

Pra.<\/em><\/span><\/p>\n<\/td>\n

\n

Mel.<\/em><\/span><\/p>\n<\/td>\n

\n

Pra.<\/em><\/span><\/p>\n<\/td>\n

\n

Mel.<\/em><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

\u0110i\u1ec1n Trang-NEMA<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

Tervigo 020 SC<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

Vimoca 20 EC<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/span><\/p>\n<\/td>\n

\n

15<\/span><\/p>\n<\/td>\n

\n

40<\/span><\/p>\n<\/td>\n

\n

22<\/span><\/p>\n<\/td>\n

\n

30<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Th\u1eddi \u0111i\u1ec3m sau khi c\u1eafm c\u00e2y 4 th\u00e1ng, t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd thu\u1ed1c kh\u00f4ng th\u1ea5y s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a tuy\u1ebfn tr\u00f9ng trong c\u1ea3 \u0111\u1ea5t v\u00e0 r\u1ec5. \u0110\u1ed1i v\u1edbi c\u00f4ng th\u1ee9c kh\u00f4ng x\u1eed l\u00fd thu\u1ed1c, m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng v\u1eabn duy tr\u00ec \u1edf m\u1ee9c cao, tuy\u1ebfn tr\u00f9ng x\u00e2m nh\u1eadp v\u00e0o trong r\u1ec5 nhi\u1ec1u h\u01a1n, v\u1edbi t\u1ed5ng s\u1ed1 55 con\/ 5 g r\u1ec5, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd thu\u1ed1c \u0111\u00e3 ki\u1ec3m so\u00e1t t\u1ed1t tuy\u1ebfn tr\u00f9ng.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Sau khi c\u1eafm c\u00e2y 6 th\u00e1ng, m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t v\u00e0 r\u1ec5 c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd thu\u1ed1c Vimoca 20 EC v\u00e0 Tervigo 020 SC kh\u00f4ng th\u1ea5y s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a tuy\u1ebfn tr\u00f9ng trong c\u1ea3 \u0111\u1ea5t v\u00e0 r\u1ec5. C\u00f4ng th\u1ee9c x\u1eed l\u00fd \u0110i\u1ec1n Trang-NEMA xu\u1ea5t hi\u1ec7n tuy\u1ebfn tr\u00f9ng trong r\u1ec5 nh\u01b0ng v\u1edbi m\u1eadt \u0111\u1ed9 r\u1ea5t th\u1ea5p v\u00e0 ch\u1ec9 c\u00f3 tuy\u1ebfn tr\u00f9ng Meloidogyne spp. <\/em>g\u00e2y s\u01b0ng r\u1ec5, v\u1edbi m\u1eadt \u0111\u1ed9 3 con\/5g r\u1ec5. Trong khi \u0111\u00f3 c\u00f4ng th\u1ee9c \u0111\u1ed1i ch\u1ee9ng m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng kh\u00e1 cao, t\u1ed3n t\u1ea1i c\u1ea3 trong \u0111\u1ea5t v\u00e0 trong r\u1ec5, g\u00e2y h\u1ea1i kh\u00e1 n\u1eb7ng \u0111\u1ed1i v\u1edbi r\u1ec5 c\u00e2y c\u00e0 ph\u00ea gi\u1ed1ng.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 4. M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t v\u00e0 r\u1ec5 sau khi c\u1eafm c\u00e2y 6 th\u00e1ng<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/strong><\/span><\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/strong><\/span><\/p>\n<\/td>\n

\n

M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t <\/strong><\/span><\/p>\n

(con\/100 g \u0111\u1ea5t)<\/strong><\/span><\/p>\n<\/td>\n

\n

M\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong r\u1ec5 <\/strong><\/span><\/p>\n

(con\/5 g r\u1ec5)<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

Pra.<\/em><\/span><\/p>\n<\/td>\n

\n

Mel.<\/em><\/span><\/p>\n<\/td>\n

\n

Pra.<\/em><\/span><\/p>\n<\/td>\n

\n

Mel.<\/em><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

\u0110i\u1ec1n Trang-NEMA<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

3<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

Tervigo 020 SC<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

Vimoca 20 EC<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/span><\/p>\n<\/td>\n

\n

10<\/span><\/p>\n<\/td>\n

\n

24<\/span><\/p>\n<\/td>\n

\n

28<\/span><\/p>\n<\/td>\n

\n

41<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0\u00a0\u00a0\u00a0 Nh\u01b0 v\u1eady qua theo d\u00f5i di\u1ec5n bi\u1ebfn m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t v\u00e0 trong r\u1ec5 c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c cho th\u1ea5y vi\u1ec7c x\u1eed l\u00fd c\u00e2y gi\u1ed1ng c\u00e0 ph\u00ea v\u1ed1i trong v\u01b0\u1eddn \u01b0\u01a1m b\u1eb1ng c\u00e1c ch\u1ebf ph\u1ea9m \u0110i\u1ec1n Trang-NEMA, Tervigo 020 SC v\u00e0 Vimoca 20 EC c\u00f3 hi\u1ec7u qu\u1ea3 cao trong vi\u1ec7c ti\u00eau di\u1ec7t ngu\u1ed3n tuy\u1ebfn tr\u00f9ng g\u00e2y b\u1ec7nh, gi\u00fap c\u00e2y c\u00e0 ph\u00ea con sinh tr\u01b0\u1edfng t\u1ed1t h\u01a1n.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 X\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng c\u1ee7a tuy\u1ebfn tr\u00f9ng \u0111\u1ebfn c\u00e2y c\u00e0 ph\u00ea trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m cho th\u1ea5y kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng c\u0169ng nh\u01b0 s\u1ef1 t\u0103ng sinh kh\u1ed1i b\u1ed9 r\u1ec5 c\u1ee7a c\u00e2y con trong th\u1eddi gian \u0111\u1ea7u ch\u01b0a c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa kh\u00e1c c\u00f4ng th\u1ee9c, tuy nhi\u00ean t\u1ea1i th\u1eddi \u0111i\u1ec3m 4 v\u00e0 6 th\u00e1ng sau khi c\u1eafm c\u00e2y c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t kh\u00e1 r\u00f5 gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c. K\u1ebft qu\u1ea3 th\u1ec3 hi\u1ec7n \u1edf b\u1ea3ng 5 – 8.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 5. Chi\u1ec1u cao c\u00e2y c\u00e0 ph\u00ea sau khi c\u1eafm v\u00e0o b\u1ea7u 2, 4 v\u00e0 6 th\u00e1ng (n = 45)<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n
\n

TT<\/strong><\/span><\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/strong><\/span><\/p>\n<\/td>\n

\n

Cao c\u00e2y (cm)<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n

\n

4 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n

\n

6 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

\u0110i\u1ec1n Trang-NEMA<\/span><\/p>\n<\/td>\n

\n

9,3<\/span><\/p>\n<\/td>\n

\n

17,0 a<\/span><\/p>\n<\/td>\n

\n

42,4 a<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

Tervigo 020 SC<\/span><\/p>\n<\/td>\n

\n

9,4<\/span><\/p>\n<\/td>\n

\n

17,6 a<\/span><\/p>\n<\/td>\n

\n

43,1 a<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

Vimoca 20 EC<\/span><\/p>\n<\/td>\n

\n

9,4<\/span><\/p>\n<\/td>\n

\n

16,6 ab<\/span><\/p>\n<\/td>\n

\n

41,2 ab<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/span><\/p>\n<\/td>\n

\n

9,1<\/span><\/p>\n<\/td>\n

\n

15,7 b<\/span><\/p>\n<\/td>\n

\n

39,5 b<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0<\/strong><\/span><\/p>\n<\/td>\n

\n

CV (%)<\/strong><\/span><\/p>\n<\/td>\n

\n

2,4<\/strong><\/span><\/p>\n<\/td>\n

\n

2,9<\/strong><\/span><\/p>\n<\/td>\n

\n

6,0<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0\u00a0\u00a0 C\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd thu\u1ed1c c\u00f3 chi\u1ec1u cao c\u00e2y ph\u00e1t tri\u1ec3n t\u1ed1t h\u01a1n, sau 6 th\u00e1ng \u0111\u1ea1t t\u1eeb 41,2 – 43,1 cm, trong khi \u0111\u00f3 c\u00f4ng th\u1ee9c \u0111\u1ed1i ch\u1ee9ng chi\u1ec1u cao c\u00e2y ch\u1ec9 \u0111\u1ea1t 39,5 cm. \u0110i\u1ec1u n\u00e0y c\u0169ng t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t v\u00e0 r\u1ec5 t\u1ea1i c\u00e1c th\u1eddi \u0111i\u1ec3m theo d\u00f5i, khi m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng cao \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n chi\u1ec1u cao c\u00e2y c\u00e0 ph\u00ea trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 6. \u0110\u01b0\u1eddng k\u00ednh g\u1ed1c c\u00e2y c\u00e0 ph\u00ea sau khi c\u1eafm v\u00e0o b\u1ea7u 2, 4 v\u00e0 6 th\u00e1ng (n = 45)<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n
\n

TT<\/strong><\/span><\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/strong><\/span><\/p>\n<\/td>\n

\n

\u0110\u01b0\u1eddng k\u00ednh g\u1ed1c (mm)<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n

\n

4 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n

\n

6 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

\u0110i\u1ec1n Trang-NEMA<\/span><\/p>\n<\/td>\n

\n

2,2<\/span><\/p>\n<\/td>\n

\n

3,0<\/span><\/p>\n<\/td>\n

\n

5,4<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

Tervigo 020 SC<\/span><\/p>\n<\/td>\n

\n

2,1<\/span><\/p>\n<\/td>\n

\n

3,1<\/span><\/p>\n<\/td>\n

\n

5,5<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

Vimoca 20 EC<\/span><\/p>\n<\/td>\n

\n

2,2<\/span><\/p>\n<\/td>\n

\n

3,1<\/span><\/p>\n<\/td>\n

\n

5,4<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/span><\/p>\n<\/td>\n

\n

2,1<\/span><\/p>\n<\/td>\n

\n

3,0<\/span><\/p>\n<\/td>\n

\n

5,3<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0<\/strong><\/span><\/p>\n<\/td>\n

\n

CV (%)<\/strong><\/span><\/p>\n<\/td>\n

\n

3,9<\/strong><\/span><\/p>\n<\/td>\n

\n

4,4<\/strong><\/span><\/p>\n<\/td>\n

\n

5,7<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0\u00a0\u00a0 V\u00e0o c\u00e1c th\u1eddi \u0111i\u1ec3m 2, 4, 6 th\u00e1ng sau khi c\u1eafm c\u00e2y c\u00e0 ph\u00ea v\u1ed1i v\u00e0o b\u1ea7u \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c c\u1ee7a c\u00e2y c\u00e0 ph\u00ea v\u1ed1i \u1edf c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd ph\u00e2n vi sinh \u00a0v\u1eadt v\u00e0 thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt l\u1edbn h\u01a1n so v\u1edbi \u0111\u1ed1i ch\u1ee9ng, nh\u01b0ng s\u1ef1 kh\u00e1c bi\u1ec7t kh\u00f4ng c\u00f3 \u00fd ngh\u0129a th\u1ed1ng k\u00ea.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 7. Chi\u1ec1u d\u00e0i r\u1ec5 c\u00e2y c\u00e0 ph\u00ea sau khi c\u1eafm v\u00e0o b\u1ea7u 2, 4 v\u00e0 6 th\u00e1ng (n = 45)<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n
\n

TT<\/strong><\/span><\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/strong><\/span><\/p>\n<\/td>\n

\n

Chi\u1ec1u d\u00e0i r\u1ec5 (cm)<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n

\n

4 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n

\n

6 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

\u0110i\u1ec1n Trang-NEMA<\/span><\/p>\n<\/td>\n

\n

8,9<\/span><\/p>\n<\/td>\n

\n

18,3 a<\/span><\/p>\n<\/td>\n

\n

21,9 a<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

Tervigo 020 SC<\/span><\/p>\n<\/td>\n

\n

8,8<\/span><\/p>\n<\/td>\n

\n

18,0 a<\/span><\/p>\n<\/td>\n

\n

22,5 a<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

Vimoca 20 EC<\/span><\/p>\n<\/td>\n

\n

8,9<\/span><\/p>\n<\/td>\n

\n

17,2 a<\/span><\/p>\n<\/td>\n

\n

20,3 ab<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/span><\/p>\n<\/td>\n

\n

8,8<\/span><\/p>\n<\/td>\n

\n

15,3 b<\/span><\/p>\n<\/td>\n

\n

18,9 b<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0<\/strong><\/span><\/p>\n<\/td>\n

\n

CV (%)<\/strong><\/span><\/p>\n<\/td>\n

\n

5,6<\/strong><\/span><\/p>\n<\/td>\n

\n

2,5<\/strong><\/span><\/p>\n<\/td>\n

\n

4,4<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Sau 6 th\u00e1ng, chi\u1ec1u d\u00e0i r\u1ec5 c\u1ecdc \u1edf c\u00f4ng th\u1ee9c \u0111\u1ed1i ch\u1ee9ng ch\u1ec9 \u0111\u1ea1t 18,9 cm, trong khi \u1edf c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd ph\u00e2n vi sinh v\u1eadt v\u00e0 thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt \u0111\u1ea1t trung b\u00ecnh t\u1eeb 20,3 – 22,5 cm. Trong \u0111\u00f3 2 c\u00f4ng th\u1ee9c x\u1eed l\u00fd \u0110i\u1ec1n Trang-NEMA v\u00e0 Tervigo 020 SC \u0111\u1ea1t cao h\u01a1n c\u00e1c c\u00f4ng th\u1ee9c kh\u00e1c v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t c\u00f3 \u00fd ngh\u0129a so v\u1edbi \u0111\u1ed1i ch\u1ee9ng. C\u00f4ng th\u1ee9c x\u1eed l\u00fd Vimoca 20 EC kh\u00f4ng kh\u00e1c bi\u1ec7t so v\u1edbi \u0111\u1ed1i ch\u1ee9ng. Qua theo d\u00f5i cho th\u1ea5y, khi x\u1eed l\u00fd b\u1eb1ng thu\u1ed1c h\u00f3a h\u1ecdc Vimoca 20 EC, b\u1ed9 r\u1ec5 c\u00e2y c\u00e0 ph\u00ea v\u1ed1i ph\u00e1t tri\u1ec3n ch\u1eadm h\u01a1n so v\u1edbi vi\u1ec7c x\u1eed l\u00fd b\u1eb1ng c\u00e1c lo\u1ea1i thu\u1ed1c sinh h\u1ecdc.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 8. Kh\u1ed1i l\u01b0\u1ee3ng r\u1ec5 c\u00e2y c\u00e0 ph\u00ea sau khi c\u1eafm v\u00e0o b\u1ea7u 2, 4 v\u00e0 6 th\u00e1ng (n = 45)<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n
\n

TT<\/strong><\/span><\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/strong><\/span><\/p>\n<\/td>\n

\n

Kh\u1ed1i l\u01b0\u1ee3ng r\u1ec5 (g)<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n

\n

4 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n

\n

6 th\u00e1ng<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

\u0110i\u1ec1n Trang-NEMA<\/span><\/p>\n<\/td>\n

\n

0,42<\/span><\/p>\n<\/td>\n

\n

2,50 a<\/span><\/p>\n<\/td>\n

\n

11,47 a<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

Tervigo 020 SC<\/span><\/p>\n<\/td>\n

\n

0,48<\/span><\/p>\n<\/td>\n

\n

2,58 a<\/span><\/p>\n<\/td>\n

\n

12,03 a<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

Vimoca 20 EC<\/span><\/p>\n<\/td>\n

\n

0,43<\/span><\/p>\n<\/td>\n

\n

2,23 b<\/span><\/p>\n<\/td>\n

\n

11,03 ab<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/span><\/p>\n<\/td>\n

\n

0,43<\/span><\/p>\n<\/td>\n

\n

2,03 c<\/span><\/p>\n<\/td>\n

\n

9,50 b<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0<\/strong><\/span><\/p>\n<\/td>\n

\n

CV (%)<\/strong><\/span><\/p>\n<\/td>\n

\n

5,75<\/strong><\/span><\/p>\n<\/td>\n

\n

4,07<\/strong><\/span><\/p>\n<\/td>\n

\n

7,19<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0\u00a0\u00a0 T\u01b0\u01a1ng t\u1ef1, c\u0169ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t r\u00f5 r\u1ec7t v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng r\u1ec5 gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd v\u00e0 \u0111\u1ed1i ch\u1ee9ng t\u1ea1i th\u1eddi \u0111i\u1ec3m 4 th\u00e1ng v\u00e0 6 th\u00e1ng sau khi c\u1eafm c\u00e2y c\u00e0 ph\u00ea v\u1ed1i v\u00e0o b\u1ea7u. Trong c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd, 2 c\u00f4ng th\u1ee9c x\u1eed l\u00fd \u0110i\u1ec1n Trang-NEMA v\u00e0 Tervigo 020 SC gi\u00fap b\u1ed9 r\u1ec5 ph\u00e1t tri\u1ec3n t\u1ed1t h\u01a1n so v\u1edbi c\u00f4ng th\u1ee9c x\u1eed l\u00fd Vimoca 20 EC, sau 6 th\u00e1ng kh\u1ed1i l\u01b0\u1ee3ng r\u1ec5 \u1edf 2 c\u00f4ng th\u1ee9c n\u00e0y \u0111\u1ea1t trung b\u00ecnh t\u1eeb 11,47 – 12,03 g, C\u00f4ng th\u1ee9c x\u1eed l\u00fd Vimoca 20 EC \u0111\u1ea1t 11,03 g, trong khi \u1edf c\u00f4ng th\u1ee9c \u0111\u1ed1i ch\u1ee9ng ch\u1ec9 \u0111\u1ea1t 9,5 g.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 9.<\/strong> T\u1ef7 l\u1ec7 c\u00e2y x\u1ea5u, c\u00e2y ch\u1ebft, c\u00e2y b\u1ecb nhi\u1ec5m b\u1ec7nh v\u00e0 c\u00e2y \u0111\u1ee7 ti\u00eau chu\u1ea9n<\/strong> xu\u1ea5t v\u01b0\u1eddn \u1edf c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n
\n

TT<\/strong><\/span><\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/strong><\/span><\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 c\u00e2y ch\u1ebft (%)<\/strong><\/span><\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 c\u00e2y x\u1ea5u (%)<\/strong><\/span><\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 c\u00e2y c\u00f3 b\u1ed9 r\u1ec5 b\u1ecb th\u1ed1i, s\u01b0ng (%)<\/strong><\/span><\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 c\u00e2y \u0111\u1ee7 ti\u00eau chu\u1ea9n xu\u1ea5t v\u01b0\u1eddn (%)<\/strong><\/span><\/p>\n<\/td>\n

\n

T\u0103ng so v\u1edbi \u0111\u1ed1i ch\u1ee9ng (%)<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

\u0110i\u1ec1n Trang-NEMA<\/span><\/p>\n<\/td>\n

\n

4,6<\/span><\/p>\n<\/td>\n

\n

3,5<\/span><\/p>\n<\/td>\n

\n

3,7<\/span><\/p>\n<\/td>\n

\n

88,5<\/span><\/p>\n<\/td>\n

\n

35,5<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

Tervigo 020 SC<\/span><\/p>\n<\/td>\n

\n

3,5<\/span><\/p>\n<\/td>\n

\n

4,5<\/span><\/p>\n<\/td>\n

\n

2,2<\/span><\/p>\n<\/td>\n

\n

90,0<\/span><\/p>\n<\/td>\n

\n

37,8<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

Vimoca 20 EC<\/span><\/p>\n<\/td>\n

\n

4,5<\/span><\/p>\n<\/td>\n

\n

6,0<\/span><\/p>\n<\/td>\n

\n

1,5<\/span><\/p>\n<\/td>\n

\n

88,2<\/span><\/p>\n<\/td>\n

\n

35,1<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/span><\/p>\n<\/td>\n

\n

8,7<\/span><\/p>\n<\/td>\n

\n

13,8<\/span><\/p>\n<\/td>\n

\n

20,2<\/span><\/p>\n<\/td>\n

\n

65,3<\/span><\/p>\n<\/td>\n

\n

 <\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0\u00a0\u00a0 T\u1ef7 l\u1ec7 c\u00e2y c\u00e0 ph\u00ea v\u1ed1i b\u1ecb ch\u1ebft, t\u1ef7 l\u1ec7 c\u00e2y x\u1ea5u v\u00e0 c\u00e2y b\u1ecb th\u1ed1i r\u1ec5, s\u01b0ng r\u1ec5 \u1edf c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd ph\u00e2n vi sinh v\u1eadt v\u00e0 thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt \u0111\u00e3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi \u0111\u1ed1i ch\u1ee9ng, \u0111\u1eb7c bi\u1ec7t t\u1ef7 l\u1ec7 c\u00e2y c\u00f3 b\u1ed9 r\u1ec5 b\u1ecb th\u1ed1i v\u00e0 s\u01b0ng th\u1ea5p h\u01a1n h\u1eb3n, trung b\u00ecnh t\u1eeb 1,5 – 3,7% so v\u1edbi \u0111\u1ed1i ch\u1ee9ng l\u00e0 20,2 %. T\u1ef7 l\u1ec7 c\u00e2y \u0111\u1ee7 ti\u00eau chu\u1ea9n xu\u1ea5t v\u01b0\u1eddn \u1edf c\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd \u0111\u1ea1t cao t\u1eeb 88,2 – 90,0 %, t\u0103ng \u0111\u00e1ng k\u1ec3 so v\u1edbi \u0111\u1ed1i ch\u1ee9ng t\u1eeb 35,1 – 37,8 %, trong \u0111\u00f3 t\u0103ng cao nh\u1ea5t l\u00e0 c\u00f4ng th\u1ee9c x\u1eed l\u00fd Tervigo 020 SC.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 Nh\u01b0 v\u1eady, vi\u1ec7c x\u1eed l\u00fd ph\u00e2n vi sinh v\u1eadt v\u00e0 thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt cho c\u00e2y c\u00e0 ph\u00ea trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m nh\u00ecn chung \u0111\u00e3 h\u1ea1n ch\u1ebf ngu\u1ed3n tuy\u1ebfn tr\u00f9ng trong b\u1ea7u c\u00e2y, gi\u00fap gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a m\u1eadt \u0111\u1ed9 tuy\u1ebfn tr\u00f9ng trong \u0111\u1ea5t v\u00e0 s\u1ef1 l\u00e2y nhi\u1ec5m g\u00e2y h\u1ea1i trong r\u1ec5 c\u00e2y c\u00e0 ph\u00ea, gi\u00fap c\u00e2y c\u00e0 ph\u00ea sinh tr\u01b0\u1edfng t\u1ed1t h\u01a1n, gi\u1ea3m t\u1ef7 l\u1ec7 c\u00e2y ch\u1ebft, c\u00e2y x\u1ea5u, c\u00e2y b\u1ecb nhi\u1ec5m b\u1ec7nh th\u1ed1i r\u1ec5, s\u01b0ng r\u1ec5 c\u0169ng nh\u01b0 t\u0103ng t\u1ef7 l\u1ec7 c\u00e2y xu\u1ea5t v\u01b0\u1eddn so v\u1edbi kh\u00f4ng x\u1eed l\u00fd.<\/span><\/p>\n

5. K\u1ebft lu\u1eadn v\u00e0 \u0111\u1ec1 ngh\u1ecb<\/strong><\/span><\/p>\n

5.1. K\u1ebft lu\u1eadn<\/strong><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 C\u00e1c c\u00f4ng th\u1ee9c x\u1eed l\u00fd \u0110i\u1ec1n Trang-NEMA (n\u1ed3ng \u0111\u1ed9 0,25 %), Tervigo 020 SC (n\u1ed3ng \u0111\u1ed9 0,3 %) v\u00e0 Vimoca 20 EC (n\u1ed3ng \u0111\u1ed9 0,15 %) cho c\u00e2y c\u00e0 ph\u00ea trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m \u0111\u1ec1u h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e1t tri\u1ec3n, x\u00e2m nh\u1eadp c\u1ee7a tuy\u1ebfn tr\u00f9ng v\u00e0 n\u1ea5m g\u00e2y h\u1ea1i b\u1ed9 r\u1ec5 c\u00e2y c\u00e0 ph\u00ea con, gi\u00fap n\u00e2ng cao t\u1ef7 l\u1ec7 c\u00e2y \u0111\u1ea1t ti\u00eau chu\u1ea9n xu\u1ea5t v\u01b0\u1eddn so v\u1edbi kh\u00f4ng x\u1eed l\u00fd. Trong \u0111\u00f3 x\u1eed l\u00fd Tervigo 020 SC c\u00f3 t\u1ef7 l\u1ec7 xu\u1ea5t v\u01b0\u1eddn cao nh\u1ea5t l\u00e0 90,0 %, x\u1eed l\u00fd \u0110i\u1ec1n Trang-NEMA v\u00e0 Vimoca 20 EC \u0111\u1ea1t l\u1ea7n l\u01b0\u1ee3t 88,5% v\u00e0 88,2% (Hi\u1ec7n t\u1ea1i thu\u1ed1c h\u00f3a h\u1ecdc Vimoca 20 EC \u0111\u00e3 b\u1ecb c\u1ea5m s\u1eed d\u1ee5ng).<\/span><\/p>\n

5.2. \u0110\u1ec1 ngh\u1ecb<\/strong><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 \u0110\u1ec1 ngh\u1ecb s\u1eed d\u1ee5ng ph\u00e2n vi sinh v\u1eadt \u0110i\u1ec1n Trang-NEMA v\u00e0 thu\u1ed1c sinh h\u1ecdc Tervigo 020 SC \u0111\u1ec3 ph\u00f2ng tr\u1eeb tuy\u1ebfn tr\u00f9ng cho c\u00e2y c\u00e0 ph\u00ea gi\u1ed1ng trong v\u01b0\u1eddn \u01b0\u01a1m.<\/span><\/p>\n\n\n\n\n\n\n
\"\"<\/a><\/span><\/td>\n\"\"<\/a><\/span><\/td>\n<\/tr>\n
\n

\u0110i\u1ec1n Trang-NEMA<\/span><\/p>\n<\/td>\n

\n

Tervigo 020 SC<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\"\"<\/a><\/p>\n<\/td>\n

\n

\"\"<\/a><\/p>\n<\/td>\n<\/tr>\n

\u00a0Vimoca 20 EC<\/span><\/td>\n\u00a0\u0110\u1ed1i ch\u1ee9ng (kh\u00f4ng x\u1eed l\u00fd)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

B\u1ed9 r\u1ec5 c\u00e2y c\u00e0 ph\u00ea c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c <\/strong>th\u00ed nghi\u1ec7m \u1edf th\u1eddi \u0111i\u1ec3m <\/strong>5 th\u00e1ng sau khi<\/strong> c\u1eafm c\u00e2y<\/strong>\u00a0c\u00e0 ph\u00ea v\u1ed1i v\u00e0o b\u1ea7u<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

L\u00ea V\u0103n B\u1ed1n, \u0110inh Th\u1ecb Ti\u1ebfu Oanh, Nguy\u1ec5n Th\u1ecb Thanh Mai, Nguy\u1ec5n \u0110\u00ecnh Tho\u1ea3ng v\u00e0 c\u1ed9ng s\u1ef1, B\u1ed9 m\u00f4n C\u00e2y C\u00f4ng nghi\u1ec7p \u00a01.\u0110\u1eb7t v\u1ea5n \u0111\u1ec1 Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, vi\u1ec7c t\u00e1i canh c\u00e2y c\u00e0 ph\u00ea \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi b\u1ec7nh v\u00e0ng l\u00e1 th\u1ed1i r\u1ec5 do tuy\u1ebfn tr\u00f9ng v\u00e0 n\u1ea5m g\u00e2y ra. C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00e1i canh th\u00e0nh c\u00f4ng v\u00e0 th\u1ea5t b\u1ea1i, trong \u0111\u00f3 c\u00e2y…<\/p>\n","protected":false},"author":1,"featured_media":3608,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-3606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ket-qua-nguyen-cuu"],"_links":{"self":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/posts\/3606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/comments?post=3606"}],"version-history":[{"count":0,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/posts\/3606\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/media\/3608"}],"wp:attachment":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/media?parent=3606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/categories?post=3606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/tags?post=3606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}