{"id":4482,"date":"2026-09-25T10:16:22","date_gmt":"2026-09-25T03:16:22","guid":{"rendered":"https:\/\/vietgiaminh.com.vn\/?p=4482"},"modified":"2026-09-25T10:41:39","modified_gmt":"2026-09-25T03:41:39","slug":"sau-rieng-ra-dot-nhung-khong-di-coi","status":"publish","type":"post","link":"https:\/\/vietgiaminh.com.vn\/en\/sau-rieng-ra-dot-nhung-khong-di-coi\/","title":{"rendered":"S\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i: 7 nguy\u00ean nh\u00e2n nh\u00e0 v\u01b0\u1eddn th\u01b0\u1eddng b\u1ecf qua"},"content":{"rendered":"

S\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i<\/strong> l\u00e0 t\u00ecnh tr\u1ea1ng khi\u1ebfn nhi\u1ec1u nh\u00e0 v\u01b0\u1eddn \u0111au \u0111\u1ea7u, nh\u1ea5t l\u00e0 khi c\u00e2y \u0111\u00e3 \u201cl\u00fa m\u0169i gi\u00e1o\u201d (nh\u00fa \u0111\u1ecdt non) nh\u01b0ng sau \u0111\u00f3 l\u1ea1i \u0111\u1ee9ng im, b\u00fap \u0111\u1ecdt teo d\u1ea7n, kh\u00f4 ho\u1eb7c m\u00e3i kh\u00f4ng th\u1ec3 bung l\u00e1. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u00e0 con g\u1ecdi l\u00e0 \u201cchai \u0111\u1ecdt\u201d ho\u1eb7c \u201cngh\u1ebdn \u0111\u1ecdt\u201d.<\/p>\n

Khi g\u1eb7p t\u00ecnh tr\u1ea1ng n\u00e0y, nhi\u1ec1u nh\u00e0 v\u01b0\u1eddn th\u01b0\u1eddng cho r\u1eb1ng c\u00e2y \u0111ang thi\u1ebfu dinh d\u01b0\u1ee1ng n\u00ean v\u1ed9i v\u00e0ng t\u0103ng l\u01b0\u1ee3ng ph\u00e2n b\u00f3n g\u1ed1c. Tuy nhi\u00ean, n\u1ebfu ch\u01b0a x\u00e1c \u0111\u1ecbnh \u0111\u00fang nguy\u00ean nh\u00e2n, vi\u1ec7c b\u1ed5 sung th\u00eam ph\u00e2n kh\u00f4ng nh\u1eefng kh\u00f3 gi\u00fap \u0111\u1ecdt ph\u00e1t tri\u1ec3n tr\u1edf l\u1ea1i m\u00e0 c\u00f2n c\u00f3 th\u1ec3 khi\u1ebfn c\u00e2y suy y\u1ebfu, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ed9 r\u1ec5 v\u00e0 l\u00e0m l\u00e1 gi\u00e0 r\u1ee5ng s\u1edbm.<\/p>\n

V\u1eady nguy\u00ean nh\u00e2n n\u00e0o khi\u1ebfn s\u1ea7u ri\u00eang \u0111\u00e3 nh\u00fa \u0111\u1ecdt nh\u01b0ng l\u1ea1i kh\u00f4ng th\u1ec3 ph\u00e1t tri\u1ec3n th\u00e0nh m\u1ed9t c\u01a1i l\u00e1 ho\u00e0n ch\u1ec9nh? Trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, Vi\u1ec7t Gia Minh s\u1ebd c\u00f9ng b\u00e0 con t\u00ecm hi\u1ec3u 7 nguy\u00ean nh\u00e2n khi\u1ebfn s\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i<\/strong> v\u00e0 h\u01b0\u1edbng x\u1eed l\u00fd ph\u00f9 h\u1ee3p, gi\u00fap c\u00e2y ph\u1ee5c h\u1ed3i, \u0111i \u0111\u1ecdt thu\u1eadn l\u1ee3i v\u00e0 h\u00ecnh th\u00e0nh c\u01a1i l\u00e1 kh\u1ecfe.<\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng s\u1ea7u ri\u00eang chai \u0111\u1ecdt l\u00e0 g\u00ec?<\/b><\/h2>\n

\u1ede m\u1ed9t c\u00e2y s\u1ea7u ri\u00eang kh\u1ecfe m\u1ea1nh, qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u01a1i \u0111\u1ecdt th\u01b0\u1eddng tr\u1ea3i qua c\u00e1c giai \u0111o\u1ea1n: L\u00fa m\u0169i gi\u00e1o \u279d M\u1edf l\u00e1 l\u1ee5a \u279d Chuy\u1ec3n l\u1ee5a xanh \u279d L\u00e1 gi\u00e0. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng m\u1ea5t kho\u1ea3ng 45 – 60 ng\u00e0y t\u00f9y \u0111i\u1ec1u ki\u1ec7n sinh tr\u01b0\u1edfng v\u00e0 ch\u0103m s\u00f3c.<\/p>\n

Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e2y \u0111\u00e3 nh\u00fa m\u0169i gi\u00e1o nh\u01b0ng \u0111\u1ecdt l\u1ea1i \u0111\u1ee9ng im su\u1ed1t nhi\u1ec1u tu\u1ea7n, kh\u00f4ng ti\u1ebfp t\u1ee5c bung l\u00e1 v\u00e0 ph\u00e1t tri\u1ec3n th\u00e0nh c\u01a1i m\u1edbi. \u0110\u00e2y ch\u00ednh l\u00e0 t\u00ecnh tr\u1ea1ng s\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i<\/b>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u00e0 con g\u1ecdi l\u00e0 \u201cchai \u0111\u1ecdt\u201d, \u201cngh\u1ebdn \u0111\u1ecdt\u201d ho\u1eb7c \u201c\u0111\u1ee9ng \u0111\u1ecdt\u201d.<\/p>\n

K\u00e8m theo hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y, l\u00e1 c\u0169 tr\u00ean c\u00e2y c\u00f3 th\u1ec3 v\u00e0ng v\u00e0 r\u1ee5ng, trong khi b\u00fap \u0111\u1ecdt m\u1edbi nh\u00fa d\u1ea7n teo l\u1ea1i ho\u1eb7c kh\u00f4 \u0111en. \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y \u0111ang g\u1eb7p tr\u1edf ng\u1ea1i v\u00e0 c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u00fang nguy\u00ean nh\u00e2n tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh x\u1eed l\u00fd.<\/p>\n

\"S\u1ea7u
S\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i, khi\u1ebfn b\u00fap \u0111\u1ecdt teo l\u1ea1i v\u00e0 l\u00e1 c\u0169 v\u00e0ng r\u1ee5ng<\/em><\/figcaption><\/figure>\n

7 nguy\u00ean nh\u00e2n khi\u1ebfn s\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i<\/b><\/h2>\n

T\u00ecnh tr\u1ea1ng s\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i<\/b><\/a> c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb nhi\u1ec1u y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn b\u1ed9 r\u1ec5, th\u1eddi ti\u1ebft, \u0111\u1ed9 \u1ea9m, s\u00e2u b\u1ec7nh v\u00e0 ch\u1ebf \u0111\u1ed9 dinh d\u01b0\u1ee1ng. D\u1ef1a tr\u00ean th\u1ef1c t\u1ebf canh t\u00e1c v\u00e0 sinh l\u00fd c\u00e2y tr\u1ed3ng, c\u00f3 7 nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p sau:<\/p>\n

B\u1ed9 r\u1ec5 suy y\u1ebfu do n\u1ea5m b\u1ec7nh v\u00e0 tuy\u1ebfn tr\u00f9ng<\/b><\/h3>\n

\u201cR\u1ec5 l\u00e0 g\u1ed1c, \u0111\u1ecdt l\u00e0 ng\u1ecdn\u201d. Trong sinh l\u00fd th\u1ef1c v\u1eadt, ch\u00f3p r\u1ec5 non l\u00e0 m\u1ed9t trong nh\u1eefng n\u01a1i t\u1ed5ng h\u1ee3p Cytokinin \u2013 nh\u00f3m hormone th\u1ef1c v\u1eadt c\u00f3 vai tr\u00f2 trong qu\u00e1 tr\u00ecnh ph\u00e2n chia t\u1ebf b\u00e0o v\u00e0 ph\u00e1t tri\u1ec3n ch\u1ed3i.<\/p>\n

Khi r\u1ec5 s\u1ea7u ri\u00eang b\u1ecb t\u1ed5n th\u01b0\u01a1ng do c\u00e1c t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh nh\u01b0 Phytophthora, Fusarium ho\u1eb7c b\u1ecb tuy\u1ebfn tr\u00f9ng ch\u00edch h\u00fat, kh\u1ea3 n\u0103ng ph\u00e1t tri\u1ec3n c\u1ee7a r\u1ec5 non v\u00e0 h\u1ea5p thu n\u01b0\u1edbc, dinh d\u01b0\u1ee1ng c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng. Khi \u0111\u00f3, c\u00e2y kh\u00f3 cung c\u1ea5p \u0111\u1ee7 ngu\u1ed3n l\u1ef1c cho \u0111\u1ecdt non, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng m\u0169i gi\u00e1o \u0111\u1ee9ng l\u1ea1i, ph\u00e1t tri\u1ec3n ch\u1eadm ho\u1eb7c teo d\u1ea7n. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n c\u1ea7n ki\u1ec3m tra khi g\u1eb7p t\u00ecnh tr\u1ea1ng s\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i<\/b> k\u00e9o d\u00e0i.<\/p>\n

\"R\u1ec5
R\u1ec5 s\u1ea7u ri\u00eang suy y\u1ebfu do n\u1ea5m b\u1ec7nh v\u00e0 tuy\u1ebfn tr\u00f9ng khi\u1ebfn m\u0169i gi\u00e1o ch\u1eadm ph\u00e1t tri\u1ec3n, s\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i<\/em><\/figcaption><\/figure>\n

S\u1ed1c nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi ti\u1ebft b\u1ea5t l\u1ee3i<\/b><\/h3>\n

S\u1ea7u ri\u00eang kh\u00e1 nh\u1ea1y c\u1ea3m v\u1edbi nh\u1eefng thay \u0111\u1ed5i b\u1ea5t l\u1ee3i c\u1ee7a \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng. Khi nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh, n\u1eafng n\u00f3ng k\u00e9o d\u00e0i ho\u1eb7c th\u1eddi ti\u1ebft thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t, ho\u1ea1t \u0111\u1ed9ng sinh l\u00fd c\u1ee7a c\u00e2y c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n

Qu\u00e1 tr\u00ecnh quang h\u1ee3p, tho\u00e1t h\u01a1i n\u01b0\u1edbc v\u00e0 v\u1eadn chuy\u1ec3n n\u01b0\u1edbc \u2013 dinh d\u01b0\u1ee1ng trong c\u00e2y b\u1ecb h\u1ea1n ch\u1ebf c\u00f3 th\u1ec3 khi\u1ebfn \u0111\u1ecdt non ph\u00e1t tri\u1ec3n ch\u1eadm. V\u00ec v\u1eady, d\u00f9 c\u00e2y \u0111\u00e3 l\u00fa m\u0169i gi\u00e1o, \u0111\u1ecdt v\u1eabn c\u00f3 th\u1ec3 \u0111\u1ee9ng l\u1ea1i v\u00e0 kh\u00f4ng ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n th\u00e0nh c\u01a1i l\u00e1 ho\u00e0n ch\u1ec9nh.<\/p>\n

\"S\u1ed1c
S\u1ed1c nhi\u1ec7t v\u00e0 th\u1eddi ti\u1ebft b\u1ea5t l\u1ee3i khi\u1ebfn \u0111\u1ecdt non ph\u00e1t tri\u1ec3n ch\u1eadm, c\u00e2y l\u00fa m\u0169i gi\u00e1o nh\u01b0ng kh\u00f4ng th\u00e0nh c\u01a1i l\u00e1<\/em><\/figcaption><\/figure>\n

Qu\u1ea3n l\u00fd \u0111\u1ed9 \u1ea9m k\u00e9m<\/b><\/h3>\n

\u0110\u1ed9 \u1ea9m \u0111\u1ea5t kh\u00f4ng ph\u00f9 h\u1ee3p c\u0169ng l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn khi\u1ebfn s\u1ea7u ri\u00eang ra \u0111\u1ecdt nh\u01b0ng kh\u00f4ng \u0111i c\u01a1i<\/b>.<\/p>\n