{"id":7150,"date":"2022-01-14T01:50:59","date_gmt":"2022-01-14T01:50:59","guid":{"rendered":"http:\/\/greenteck.vn\/blog\/?p=7150"},"modified":"2022-01-14T01:50:59","modified_gmt":"2022-01-14T01:50:59","slug":"ky-thuat-cham-soc-hoa-hong-vao-mua-dong-de-cay-phat-trien-tot-no-hoa-ruc-ro","status":"publish","type":"post","link":"https:\/\/ngutuongvien.vn\/blog\/ky-thuat-cham-soc-hoa-hong-vao-mua-dong-de-cay-phat-trien-tot-no-hoa-ruc-ro\/","title":{"rendered":"K\u1ef9 thu\u1eadt ch\u0103m s\u00f3c hoa h\u1ed3ng v\u00e0o m\u00f9a \u0111\u00f4ng \u0111\u1ec3 c\u00e2y ph\u00e1t tri\u1ec3n t\u1ed1t, n\u1edf hoa r\u1ef1c r\u1ee1"},"content":{"rendered":"\n\n
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M\u00f9a \u0111\u00f4ng nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh gi\u00e1 n\u00ean hoa h\u1ed3ng c\u1ea7n \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c c\u1ea9n th\u1eadn th\u00ec m\u1edbi c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n t\u1ed1t, ch\u1ed1ng tr\u1ecdi \u0111\u01b0\u1ee3c th\u1eddi ti\u1ebft l\u1ea1nh gi\u00e1, kh\u00f4ng b\u1ecb h\u00e9o v\u00e0o m\u00f9a \u0111\u00f4ng, cho ch\u1ea5t l\u01b0\u1ee3ng hoa t\u1ed1t, c\u00f3 th\u1ec3 n\u1edf \u0111\u00fang d\u1ecbp T\u1ebft nguy\u00ean \u0111\u00e1n.<\/div>\n
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K\u1ef9 thu\u1eadt ch\u0103m s\u00f3c hoa h\u1ed3ng v\u00e0o m\u00f9a \u0111\u00f4ng \u0111\u1ec3 c\u00e2y ph\u00e1t tri\u1ec3n t\u1ed1t, n\u1edf hoa r\u1ef1c r\u1ee1<\/p>\n

M\u00f9a \u0111\u00f4ng nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh gi\u00e1 n\u00ean hoa h\u1ed3ng c\u1ea7n \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c c\u1ea9n th\u1eadn th\u00ec m\u1edbi c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n t\u1ed1t, ch\u1ed1ng tr\u1ecdi \u0111\u01b0\u1ee3c th\u1eddi ti\u1ebft l\u1ea1nh gi\u00e1, kh\u00f4ng b\u1ecb h\u00e9o v\u00e0o m\u00f9a \u0111\u00f4ng, cho ch\u1ea5t l\u01b0\u1ee3ng hoa t\u1ed1t, c\u00f3 th\u1ec3 n\u1edf \u0111\u00fang d\u1ecbp T\u1ebft nguy\u00ean \u0111\u00e1n.<\/p>\n

H\u01b0\u1edbng d\u1eabn ch\u0103m s\u00f3c hoa h\u1ed3ng v\u00e0o m\u00f9a \u0111\u00f4ng<\/strong><\/h2>\n

Cung c\u1ea5p dinh d\u01b0\u1ee1ng cho hoa h\u1ed3ng v\u00e0o m\u00f9a \u0111\u00f4ng<\/strong><\/p>\n

\u0110\u1ec3 cho hoa h\u1ed3ng cho nhi\u1ec1u hoa, n\u1edf to v\u00e0 n\u1edf hoa \u0111\u00fang d\u1ecbp l\u1ec5 T\u1ebft nguy\u00ean nh\u00e2n th\u00ec ngu\u1ed3n dinh d\u01b0\u1ee1ng l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng, quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y. V\u00e0o m\u00f9a \u0111\u00f4ng, c\u1ea7n ch\u00fa \u00fd quan s\u00e1t \u0111\u1ebfn \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i b\u00ean ngo\u00e0i c\u1ee7a c\u00e2y, n\u1ebfu ph\u00e1t hi\u1ec7n c\u00e2y thi\u1ebfu dinh d\u01b0\u1ee1ng, c\u00e2y g\u1ea7y kh\u00f4ng m\u1ee1, l\u00e1 c\u00f3 m\u00e0u xanh nh\u1ea1t l\u00fac n\u00e0y c\u00e2y hoa h\u1ed3ng th\u00ec c\u1ea7n b\u1ed5 sung dinh d\u01b0\u1ee1ng cho c\u00e2y. Trong qu\u00e1 tr\u00ecnh ch\u0103m s\u00f3c ng\u01b0\u1eddi tr\u1ed3ng hoa h\u1ed3ng b\u1ed5 sung th\u00eam ph\u00e2n NPK, ph\u00e2n h\u1eefu c\u01a1, ph\u00e2n g\u00e0 hoai m\u1ee5c, ch\u1ebf ph\u1ea9m \u0111\u1ed7 t\u01b0\u01a1ng ng\u00e2m ph\u00e2n b\u00f2 hoai m\u1ee5c, ph\u00e2n tr\u00f9n qu\u1ebf, ph\u00e2n c\u00e1, thu\u1ed1c b\u00f3n l\u00e1, \u0111\u1ea1m, kali, \u0111\u1ec3 cung c\u1ea5p \u0111\u1ee7 dinh d\u01b0\u1ee1ng cho hoa h\u1ed3ng ph\u00e1t tri\u1ec3n.<\/p>\n

\u0110\u1ec3 c\u00e2y b\u1eadt m\u1ea7m, \u0111\u00e1nh th\u1ee9c ch\u1ed3i ng\u1ee7 sau m\u00f9a \u0111\u00f4ng, cho hoa n\u1edf \u0111\u1ed3ng \u0111\u1ec1u b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ho\u1ea1t ch\u1ea5t Cytokinin Zeatin 0,1%SP pha 3g\/200L n\u01b0\u1edbc s\u1ea1ch phun l\u00ean l\u00e1 giai \u0111o\u1ea1n mu\u1ed1n ra ch\u1ed3i.<\/p>\n

\u0110\u1ec3 c\u00e2y ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh b\u1ea1n n\u00ean k\u1ebft h\u1ee3p b\u00f3n th\u00eam ph\u00e2n NPK 18-18-18 B\u00f3n t\u1eeb 20-30 g\/ch\u1eadu\/l\u1ea7n\/th\u00e1ng (m\u1ed7i ch\u1eadu ch\u1ee9a kho\u1ea3ng 0,02-0,03m3 \u0111\u1ea5t), \u0111\u1ed1i v\u1edbi c\u00e2y tr\u1ed3ng ngo\u00e0i \u0111\u1ea5t b\u00f3n 2-3kg\/100m2\/l\u1ea7n.<\/p>\n

Th\u1eddi \u0111i\u1ec3m c\u00e2y nh\u00fa n\u1ee5 ho\u1eb7c chu\u1ea9n b\u1ecb n\u1edf hoa b\u00f3n th\u00eam kali s\u1ebd gi\u00fap hoa c\u00f3 m\u00e0u s\u1eafc \u0111\u1eb7c tr\u01b0ng \u0111\u1eadm \u0111\u00e0, t\u01b0\u01a1i t\u1eafn h\u01a1n, khi c\u00e2y b\u1eaft \u0111\u1ea7u c\u00f3  hoa kh\u00f4ng t\u01b0\u1edbi ph\u00e2n v\u00ec s\u1ebd l\u00e0m h\u1ecfng hoa, c\u00e2y d\u1ec5 b\u1ecb s\u00e2u b\u1ec7nh h\u1ea1i t\u1ea5n c\u00f4ng.<\/p>\n

N\u01b0\u1edbc t\u01b0\u1edbi hoa h\u1ed3ng v\u00e0o m\u00f9a \u0111\u00f4ng<\/strong><\/p>\n

Nhu c\u1ea7u t\u01b0\u1edbi n\u01b0\u1edbc hoa h\u1ed3ng v\u00e0o m\u00f9a h\u00e8 so v\u1edbi m\u00f9a \u0111\u00f4ng kh\u00e1c nhau, b\u00ean c\u1ea1nh \u0111\u00f3 t\u1eebng lo\u1ea1i c\u00e2y hoa h\u1ed3ng m\u00e0 l\u01b0\u1ee3ng n\u01b0\u1edbc cung c\u1ea5p cho c\u00e2y c\u0169ng kh\u00e1c nhau. Hoa h\u1ed3ng l\u00e0 lo\u00e0i c\u00e2y kh\u00f4ng \u01b0a t\u01b0\u1edbi nhi\u1ec1u n\u01b0\u1edbc nh\u01b0ng c\u1ea7n cung c\u1ea5p l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ee7 \u1ea9m \u0111\u1ec3 c\u00e2y c\u00f3 th\u1ec3 c\u00f3 ph\u00e1t tri\u1ec3n, sinh tr\u01b0\u1edfng kh\u1ecfe m\u1ea1nh, ra hoa to \u0111\u1eb9p v\u00e0 \u0111\u00fang th\u1eddi gian nh\u01b0 mong mu\u1ed1n.<\/p>\n

Trong m\u00f9a \u0111\u00f4ng, th\u1eddi ti\u1ebft kh\u00f4 hanh n\u00ean h\u01a1i n\u01b0\u1edbc trong \u0111\u1ea5t tr\u1ed3ng d\u1ec5 b\u1ecb b\u1ed1c h\u01a1i do \u0111\u00f3 n\u00ean t\u01b0\u1edbi cho c\u00e2y hoa h\u1ed3ng 1 l\u1ea7n\/ng\u00e0y \u0111\u1ed1i v\u1edbi hoa h\u1ed3ng tr\u1ed3ng \u0111\u1ea5t, \u0111\u1ed1i v\u1edbi hoa h\u1ed3ng tr\u1ed3ng trong ch\u1eadu, th\u00f9ng x\u1ed1p c\u1ea7n cung c\u1ea5p n\u01b0\u1edbc 2 l\u1ea7n\/ng\u00e0y v\u00e0o s\u00e1ng t\u1ea7m 9h v\u00e0 chi\u1ec1u t\u1ea7m 17h. Kh\u00f4ng t\u01b0\u1edbi n\u01b0\u1edbc cho hoa h\u1ed3ng qu\u00e1 mu\u1ed9n v\u00ec s\u1ebd t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho s\u00e2u b\u1ec7nh h\u1ea1i, n\u1ea5m h\u1ea1i ph\u00e1t tri\u1ec3n, t\u1ea5n c\u00f4ng.<\/p>\n

N\u00ean s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng t\u01b0\u1edbi n\u01b0\u1edbc nh\u1ecf gi\u1ecdt \u0111\u1ed1i v\u1edbi c\u00e2y tr\u1ed3ng \u0111\u1ea5t v\u00e0 d\u00f9ng b\u00ecnh x\u1ecbt phun s\u01b0\u01a1ng \u0111\u1ec3 t\u01b0\u1edbi n\u01b0\u1edbc cho c\u00e2y \u0111\u1ec3 t\u01b0\u1edbi cho c\u00e2y hoa h\u1ed3ng \u0111\u1ed1i v\u1edbi tr\u1ed3ng ch\u1eadu. Khi ch\u1ecdn n\u01b0\u1edbc t\u01b0\u1edbi cho hoa h\u1ed3ng kh\u00f4ng n\u00ean t\u01b0\u1edbi n\u01b0\u1edbc qu\u00e1 l\u1ea1nh, n\u00ean s\u1eed d\u1ee5ng n\u01b0\u1edbc ng\u1ecdt nh\u01b0: n\u01b0\u1edbc m\u01b0a, n\u01b0\u1edbc gi\u1ebfng, n\u01b0\u1edbc m\u00e1y \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eed Clo, kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i n\u01b0\u1edbc b\u1ecb nhi\u1ec5m ph\u00e8n, nhi\u1ec5m m\u1eb7n \u0111\u1ec3 t\u01b0\u1edbi cho hoa h\u1ed3ng b\u1edfi khi s\u1eed d\u1ee5ng n\u01b0\u1edbc n\u00e0y \u0111\u1ec3 t\u01b0\u1edbi cho hoa h\u1ed3ng ch\u1ec9 l\u00e0m suy y\u1ebfu v\u00e0 ch\u1ebft d\u1ea7n m\u00f2n c\u00e2y hoa h\u1ed3ng.<\/p>\n

C\u1eaft t\u1ec9a c\u00e0nh, t\u1ea1o t\u00e1n cho c\u00e2y hoa h\u1ed3ng<\/strong><\/p>\n

Vi\u1ec7c c\u1eaft t\u1ec9a c\u00e0nh t\u1ea1o t\u00e1n cho c\u00e2y hoa h\u1ed3ng v\u00e0o m\u00f9a \u0111\u00f4ng l\u00e0 h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft. Khi th\u1ef1c hi\u1ec7n vi\u1ec7c c\u1eaft t\u1ec9a c\u00e0nh l\u00e1 s\u1ebd gi\u00fap c\u00e2y cho hoa n\u1edf to, m\u1eadp v\u00e0 t\u01b0\u01a1i l\u00e2u h\u01a1n. V\u00e0o m\u00f9a \u0111\u00f4ng h\u00e3y th\u01b0\u1eddng xuy\u00ean c\u1eaft t\u1ec9a c\u1ea3nh gi\u00e0, c\u00e0nh kh\u00f4, c\u00e0nh y\u1ebfu, nh\u1eefng c\u00e0nh m\u1ecdc d\u01b0 kh\u00f4ng c\u1ea7n thi\u1ebft, t\u1ea1o t\u00e1n cho c\u00e2y \u0111\u1ec3 t\u1eadp chung dinh d\u01b0\u1ee1ng nu\u00f4i c\u00e1c nh\u00e1nh m\u1edbi. Khi c\u1eaft t\u1ec9a c\u00e0nh t\u00e1n c\u1ee7a c\u00e2y hoa h\u1ed3ng c\u00f2n gi\u00fap k\u00edch th\u00edch cho c\u00e2y ra nhi\u1ec1u m\u1ea7m ng\u1ecdn, c\u1ee7a c\u00e1c m\u1ea7m ch\u00ednh c\u1ee7a c\u00e2y l\u00e0 n\u1ee5 hoa.<\/p>\n

Khi c\u1eaft t\u1ec9a hoa h\u1ed3ng m\u1ed7i c\u00e0nh n\u00ean c\u1eaft b\u1ecf 4-6 m\u1eaft l\u00e1. N\u1ebfu c\u1eaft t\u1ec9a c\u00e0nh \u1edf g\u1ea7n ng\u1ecdn th\u00ec c\u00e2y cho ra hoa s\u1edbm h\u01a1n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. N\u1ebfu c\u00e2y hoa h\u1ed3ng tr\u1ed3ng ch\u1eadu c\u00f3 \u00edt l\u00e1 th\u00ec d\u00f9ng c\u1ecdc \u0111\u1ec3 bu\u1ed9c n\u00edu nh\u1eefng c\u00e0nh th\u1ea5p h\u01a1i tr\u0129u xu\u1ed1ng d\u01b0\u1edbi trong 30 \u2013 40 ng\u00e0y, gi\u00fap cho c\u00e1c c\u00e0nh m\u1edbi s\u1ebd m\u1ecdc ra \u0111\u1ec3 cho hoa. Nh\u1eefng gi\u1ed1ng c\u00f3 c\u00e0nh v\u01b0\u01a1n d\u00e0i m\u1edbi ra hoa th\u00ec c\u1ea7n c\u1eaft c\u00e0nh tr\u01b0\u1edbc T\u1ebft nguy\u00ean \u0111\u00e1n kho\u1ea3ng tr\u00ean d\u01b0\u1edbi 1,5 th\u00e1ng l\u00e0 \u0111\u01b0\u1ee3c.<\/p>\n

Ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh cho hoa h\u1ed3ng v\u00e0o m\u00f9a \u0111\u00f4ng<\/strong><\/p>\n

B\u1ec7nh xo\u0103n l\u00e1<\/p>\n

B\u1ec7nh xo\u0103n l\u00e1 khi\u1ebfn l\u00e1 c\u1ee7a c\u00e2y hoa h\u1ed3ng c\u00f3 nh\u1eefng \u0111\u1ed1m \u0111\u1eadm nh\u1ea1t loang l\u1ed5, l\u00e1 chuy\u1ec3n qua m\u00e0u v\u00e0ng xanh \u0111\u1eadm, c\u00e2y ph\u00e1t tri\u1ec3n y\u1ebfu, x\u00e1c \u0111\u1ed1t ng\u1eafn l\u1ea1i, c\u00e2y b\u1ecb b\u1ec7nh hoa \u00edt, d\u1ec5 r\u1ee5ng, b\u1ec7nh n\u1eb7ng l\u00e0m cho c\u00e1c l\u00e1 \u0111\u1ec9nh m\u1ea7m non b\u1ecb xo\u1eafn l\u1ea1i, b\u1ec7nh nh\u1eb9 th\u00ec tr\u00ean l\u00e1 c\u00f3 nh\u1eefng \u0111\u00e1m xanh \u0111\u1eadm nh\u1ea1t xen k\u1ebd nhau n\u00ean g\u1ecdi l\u00e0 hoa l\u00e1.<\/p>\n

Khi ph\u00e1t hi\u1ec7n hoa h\u1ed3ng b\u1ecb b\u1ec7nh xo\u0103n l\u00e1 c\u1ea7n ti\u1ebfn h\u00e0nh d\u1ecdn d\u1eb9p v\u1ec7 sinh v\u01b0\u1eddn s\u1ea1ch s\u1ebd, nh\u1eb7t b\u1ecf c\u1ecf d\u1ea1i xung quanh g\u1ed1c, gi\u1ea3m s\u1ed1 l\u1ea7n t\u01b0\u1edbi n\u01b0\u1edbc cho c\u00e2y b\u1ecb b\u1ec7nh. S\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 lo\u1ea1i thu\u1ed1c h\u00f3a h\u1ecdc nh\u01b0 Bassa, Supracide, trebon \u0111\u1ec3 phun cho hoa h\u1ed3ng.<\/p>\n

B\u1ec7nh \u0111\u1ed1m \u0111en<\/p>\n

B\u1ec7nh \u0111\u1ed1m \u0111en lan r\u1ed9ng nhanh l\u00fac kh\u00ed h\u1eadu \u1ea9m \u01b0\u1edbt sau c\u00e1c tr\u1eadn m\u01b0a v\u00e0o m\u00f9a thu. Khi c\u00e2y hoa h\u1ed3ng b\u1ecb nhi\u1ec5m b\u1ec7nh \u0111\u1ed1m \u0111en s\u1ebd xu\u1ea5t hi\u1ec7n nh\u1eefng ch\u1ea5m n\u00e2u, v\u1ec1 sau chuy\u1ec3n th\u00e0nh \u0111en xu\u1ea5t hi\u1ec7n tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t l\u00e1 nh\u1eefng ch\u1ea5m n\u00e0y tr\u00f2n ho\u1eb7c kh\u00f4ng \u0111\u1ec1u l\u00e0m cho l\u00e1 c\u00e2y r\u1ee5ng s\u1edbm d\u1ea7n, c\u00e1c ch\u1ed3i non c\u0169ng b\u1ecb l\u00e2y b\u1ec7nh Khi ph\u00e1t hi\u1ec7n hoa h\u1ed3ng c\u00f3 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a b\u1ec7nh th\u00e1n th\u01b0 c\u1ea7n x\u1eed l\u00fd nhanh ch\u00f3ng, k\u1ecbp th\u1eddi tr\u00e1nh \u0111\u1ec3 l\u00e2y lan ra c\u1ea3 v\u01b0\u1eddn g\u00e2y thi\u1ec7t h\u1ea1i cho ng\u01b0\u1eddi tr\u1ed3ng hoa h\u1ed3ng<\/p>\n

S\u1eed d\u1ee5ng d\u1ea7u Neem \u0111\u1ec3 tr\u1ecb b\u1ec7nh th\u00e1n th\u01b0 cho c\u00e2y hoa h\u1ed3ng. D\u1ea7u Neem c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba b\u1ec7nh n\u1ea5m n\u00e0y ph\u00e1t tri\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t l\u00e1 ho\u1eb7c th\u00e2n c\u00e2y, gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng r\u1ec7p v\u1eebng v\u00e0 c\u00e1c lo\u00e0i g\u00e2y h\u1ea1i kh\u00e1c c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh mang b\u00e0o t\u1eed \u0111\u1ebfn c\u00e2y tr\u1ed3ng c\u1ee7a b\u1ea1n. B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb b\u1ec7nh th\u00e1n th\u01b0 tr\u00ean hoa h\u1ed3ng hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng bi\u1ec7n ph\u00e1p h\u00f3a h\u1ecdc \u0111\u1ec3 di\u1ec7t tr\u1eeb b\u1ec7nh.<\/p>\n

C\u00f3 th\u1ec3 d\u00f9ng c\u00e1c lo\u1ea1i thu\u1ed1c sau \u0111\u1ec3 ph\u00f2ng tr\u1eeb: Azoxystrobin + Difenoconazole (Help 400SC); Eugenol (Lilacter 0.3 SL); Tebuconazole +Trifloxystrobin (Nativo 750WG).<\/p>\n

B\u1ec7nh r\u1ec9 s\u1eaft (Rust)<\/p>\n

B\u1ec7nh r\u1ec9 s\u1eaft \u1edf hoa h\u1ed3ng khi\u1ebfn th\u00e2n c\u00e2y h\u1ed3ng xu\u1ea5t hi\u1ec7n nh\u1eefng \u0111\u1ed1m tr\u00f2n m\u00e0u v\u00e0ng cam, nh\u1ecf li ti r\u1ed3i lan kh\u1eafp th\u00e2n c\u00e2y hoa h\u1ed3ng khi\u1ebfn c\u00e0nh h\u1ed3ng b\u1ecb kh\u00f4 v\u00e0 c\u00e2y h\u1ed3ng ch\u1ebft d\u1ea7n. Nguy\u00ean nh\u00e2n n\u00e0o g\u00e2y b\u1ec7nh r\u1ec9 s\u1eaft \u1edf hoa h\u1ed3ng. Khi hoa h\u1ed3ng b\u1ecb b\u1ec7nh r\u1ec9 s\u1eaft c\u1ea7n ph\u1ea3i l\u00e0m g\u00ec \u0111\u1ec3 tr\u1ecb t\u1eadn g\u1ed1c b\u1ec7nh, c\u00e1ch ph\u00f2ng tr\u1eeb b\u1ec7nh r\u1ec9 s\u1eaft. B\u1ec7nh r\u1ec9 s\u1eaft \u1edf hoa h\u1ed3ng do n\u1ea5m Phragmidium tuberculatum v\u00e0 m\u1ed9t s\u1ed1 lo\u00e0i kh\u00e1c li\u00ean quan Phragmidium tuberculatum g\u00e2y ra cho hoa h\u1ed3ng.<\/p>\n

Khi ph\u00e1t hi\u1ec7n hoa h\u1ed3ng b\u1ecb m\u1eafc b\u1ec7nh r\u1ec9 s\u1eaft h\u00e3y ti\u1ebfn h\u00e0nh d\u1ecdn d\u1eb9p xung quanh g\u1ed1c hoa h\u1ed3ng, c\u1eaft t\u1ec9a c\u00e0nh cho quang \u0111\u00e3ng, \u0111\u1eb7t c\u00e2y ra n\u01a1i c\u00f3 nhi\u1ec1u \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi. Th\u1eddi \u0111i\u1ec3m n\u00e0y ch\u1ec9 n\u00ean t\u01b0\u1edbi \u0111\u1ee7 n\u01b0\u1edbc cho c\u00e2y, h\u1ea1n ch\u1ebf \u0111\u1ec3 n\u01b0\u1edbc \u0111\u1ecdng l\u1ea1i \u1edf g\u1ed1c hay tr\u00ean m\u1eb7t l\u00e1 hoa h\u1ed3ng.<\/p>\n

Ti\u1ebfn h\u00e0nh b\u00f3n th\u00eam ph\u00e2n ph\u00e2n l\u00e2n, kali v\u00e0 nh\u1eefng ph\u00e2n h\u1ed7n h\u1ee3p c\u00f3 ch\u1ee9a Ca, Mg, \u2026 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu b\u1ec7nh c\u1ee7a c\u00e2y, gi\u00fap c\u00e2y c\u00f3 \u0111\u1ee7 dinh d\u01b0\u1ee1ng.<\/p>\n

\u0110\u1ec3 \u0111i\u1ec1u tr\u1ecb b\u1ec7nh r\u1ec9 s\u1eaft tr\u00ean hoa h\u1ed3ng c\u00f3 th\u1ec3 d\u00f9ng m\u1ed9t s\u1ed1 lo\u1ea1i thu\u1ed1c \u0111\u1eb7c tr\u1ecb b\u1ec7nh r\u1ec9 s\u1eaft nh\u01b0 Anvil 5 SC, Antracol 70 WP, Tilt Super 300 EC,\u2026 S\u1eed d\u1ee5ng ch\u1ea5t b\u00e1m d\u00ednh khi phun thu\u1ed1c \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 vi\u1ec7c s\u1eed d\u1ee5ng thu\u1ed1c.<\/p>\n

R\u1ec7p t\u1ea5n c\u00f4ng hoa h\u1ed3ng<\/p>\n

V\u00e0o m\u00f9a \u0111\u00f4ng, r\u1ec7p t\u1ea5n c\u00f4ng hoa h\u1ed3ng, ch\u00fat h\u00fat h\u1ebft c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ee7a g\u00e2y khi\u1ebfn g\u00e2y kh\u00f4 h\u00e9o d\u1ea7n. C\u00e1c lo\u1ea1i r\u1ec7p th\u01b0\u1eddng g\u00e2y h\u1ea1i tr\u00ean hoa h\u1ed3ng bao g\u1ed3m: r\u1ec7p v\u1ea3y n\u00e2u, r\u1ec7p v\u1eebng, r\u1ec7p v\u1ea3y tr\u1eafng. Khi ph\u00e1t hi\u1ec7n hoa h\u1ed3ng b\u1ecb r\u1ec7p t\u1ea5n c\u00f4ng, n\u1ebfu hoa h\u1ed3ng tr\u1ed3ng trong ch\u1eadu h\u00e3y c\u00e1ch ly c\u00e2y b\u1ecb b\u1ec7nh ra kh\u1ecfi c\u00e1c c\u00e2y kh\u1ecfe m\u1ea1nh nh\u1eb1m tr\u00e1nh t\u00ecnh tr\u1ea1ng r\u1ec7p l\u00e2y lan sang c\u00e2y kh\u00e1c, kh\u00f3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c b\u1ec7nh.<\/p>\n

S\u1eed d\u1ee5ng k\u00e9o \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eed khu\u1ea9n \u0111\u1ec3 c\u1eaft c\u00e0nh nh\u00e1nh ho\u1eb7c l\u00e1 b\u1ecb b\u1ec7nh sau \u0111\u00f3 \u0111em \u0111i ti\u00eau h\u1ee7y, kh\u00f4ng v\u1ee9t nh\u1eefng c\u00e0nh b\u1ecb b\u1ec7nh d\u01b0\u1edbi g\u1ed1c c\u00e2y hoa h\u1ed3ng. Khi r\u1ec7p t\u1ea5n c\u00f4ng hoa h\u1ed3ng \u1edf m\u1ee9c \u0111\u1ed9 nh\u1eb9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u00e0n ch\u1ea3i, kh\u0103n m\u1ec1m \u0111\u1ec3 c\u1ecdt s\u00e1t, t\u00e1ch ch\u00fang ra kh\u1ecfi th\u00e2n c\u00e2y. D\u00f9ng b\u00f4ng g\u00f2n th\u1ea5m r\u01b0\u1ee3u ho\u1eb7c d\u1ea7u neem thoa l\u00ean tr\u1ef1c ti\u1ebfp nh\u1eb1m h\u1ea1n ch\u1ebf s\u1ef1 sinh s\u00f4i c\u1ee7a r\u1ec7p. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00eam d\u1ea7u kho\u00e1ng \u0111\u1ec3 thoa h\u1ebft th\u00e2n c\u00e2y, d\u1ea7u nh\u1edbt c\u00f3 t\u00ednh b\u00e1m d\u00ednh t\u1ed1t n\u00ean thoa t\u1ef1 lan kh\u1eafp th\u00e2n c\u00e2y. Trong qu\u00e1 tr\u00ecnh n\u00e0y tr\u00e1nh thoa d\u1ea7u d\u1ea7u l\u00ean tr\u00ean l\u00e1 c\u00e2y v\u00ec s\u1ebd l\u00e0m \u1ea3nh h\u01b0\u1edfng qu\u00e1 t\u00ecnh h\u00f4 h\u1ea5p c\u1ee7a c\u00e2y. Pha 10 ml cho b\u00ecnh 2 l\u00edt phun \u0111\u1ec1u tr\u00ean l\u00e1 v\u00e0 th\u00e2n 1 tu\u1ea7n\/l\u1ea7n \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb<\/p>\n

C\u00e1ch kh\u00e1c, c\u00f3 th\u1ec3 pha chung confidor v\u00e0 d\u1ea7u kho\u00e1ng \u0111\u1ec3 t\u0103ng t\u00ednh b\u00e1m d\u00ednh cho thu\u1ed1c, g\u00f3p ph\u1ea7n h\u1ed7 tr\u1ee3 t\u1ed1t h\u01a1n trong vi\u1ec7c \u0111i\u1ec1u tr\u1ecb r\u1ec7p g\u00e2y h\u1ea1i cho hoa h\u1ed3ng. Pha 2 ml thu\u1ed1c cho b\u00ecnh 2 l\u00edt \u0111\u1ec3 phun \u0111\u1ec1u tr\u00ean l\u00e1 v\u00e0 th\u00e2n 1 tu\u1ea7n\/l\u1ea7n \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb<\/p>\n

Ch\u1ebf t\u1ea1o c\u00e1c lo\u1ea1i thu\u1ed1c thu\u1ed1c tr\u1eeb s\u00e2u sinh h\u1ecdc nh\u01b0 chi\u1ebft xu\u1ea5t t\u1ecfi, g\u1eebng, \u1edbt; x\u00e0 ph\u00f2ng l\u1ecfng; l\u00e1 neem \u0111\u1ec3 ti\u00eau di\u1ec7t r\u1ec7p s\u00e1p h\u1ea1i hoa h\u00f2ng. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m Th\u1ea3o m\u1ed9c tr\u1ecb s\u00e2u r\u1ea7y v\u1edbi chi\u1ebft xu\u1ea5t l\u00ean men c\u1ee7a t\u1ecfi, g\u1eebng v\u00e0 \u1edbt c\u00f3 t\u00e1c d\u1ee5ng xua \u0111u\u1ed5i c\u00e1c lo\u1ea1i s\u00e2u, r\u1ea7y, r\u1ec7p v\u00e0 c\u00f4n tr\u00f9ng t\u1ea5n c\u00f4ng ph\u00e1 ho\u1ea1i c\u00e2y tr\u1ed3ng, c\u00e2y hoa, c\u00e2y c\u1ea3nh. Pha 20 ml dung d\u1ecbch v\u1edbi 2L n\u01b0\u1edbc phun l\u00ean l\u00e1 1 tu\u1ea7n\/l\u1ea7n, sau m\u1ed9t th\u1eddi gian r\u1ec7p s\u1ebd \u0111\u01b0\u1ee3c ti\u00eau di\u1ec7t s\u1ea1ch<\/p>\n

Tr\u01b0\u1eddng h\u1ee3p hoa h\u1ed3ng b\u1ecb r\u1ec7p s\u00e1p t\u1ea5n c\u00f4ng n\u1eb7ng, di\u1ec7n t\u00edch r\u1ed9ng n\u00ean s\u1eed d\u1ee5ng bi\u1ec7n ph\u00e1p h\u00f3a h\u1ecdc \u0111\u1ec3 can thi\u1ec7p, hai lo\u1ea1i thu\u1ed1c m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u00f3 l\u00e0 regent v\u00e0 n\u1ea5m trichoderma.<\/p>\n

B\u1ec7nh ph\u1ea5n tr\u1eafng<\/p>\n

B\u1ec7nh ph\u1ea5n tr\u1eafng \u1edf hoa h\u1ed3ng l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i b\u1ec7nh h\u1ea1i ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng g\u1eb7p \u1edf hoa h\u1ed3ng. B\u1ec7nh do n\u1ea5m Sphaerotheca paranosa g\u00e2y ra. Khi g\u1eb7p \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft thu\u1eadn l\u1ee3i c\u00f3 \u0111\u1ed9 \u1ea9m cao tr\u00ean 85%, m\u01b0a ph\u00f9n, kh\u00f4ng kh\u00ed \u1ea9m \u01b0\u1edbt s\u1ebd gi\u00fap cho m\u1ea7m b\u1ec7nh ph\u00e1t tri\u1ec3n r\u1ea5t nhanh v\u00e0 m\u1ea1nh h\u01a1n tr\u00ean di\u1ec7n r\u1ed9ng t\u1ea1i h\u1ea7u h\u1ebft tr\u00ean c\u00e1c v\u01b0\u1eddn h\u1ed3ng, c\u00e1c ch\u1eadu hoa h\u1ed3ng,… \u0110\u00e2y l\u00e0 lo\u1ea1i b\u1ec7nh g\u00e2y h\u1ea1i nhi\u1ec1u nh\u1ea5t tr\u00ean c\u00e2y hoa h\u1ed3ng v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e2y hoa h\u1ed3ng leo.<\/p>\n

M\u1ed9t l\u1edbp b\u1ed9t m\u00e0u tr\u1eafng x\u00e1m s\u1ebd t\u1ea5n c\u00f4ng v\u00e0o l\u1edbp bi\u1ec3u b\u00ec tr\u00ean c\u00e2y hoa h\u1ed3ng l\u00e0m cho l\u00e1 c\u1ee7a hoa h\u1ed3ng b\u1ecb qu\u0103n queo, kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh quang h\u1ee3p nh\u01b0 b\u00ecnh th\u01b0\u1eddng. B\u1ec7nh d\u1ec5 l\u00e2y lan do ti\u1ebfp x\u00fac gi\u1eefa c\u00e2y b\u1ec7nh v\u1edbi c\u00e2y kh\u1ecfe trong v\u01b0\u1eddn tr\u1ed3ng hay t\u1ea1i c\u00e1c ch\u1eadu hoa h\u1ed3ng th\u00f4ng qua gi\u00f3, kh\u00f4ng kh\u00ed, n\u01b0\u1edbc b\u1eafn khi t\u01b0\u1edbi c\u00e2y.<\/p>\n

Khi ph\u00e1t hi\u1ec7n b\u1ec7nh ph\u1ea5n tr\u1eafng h\u00e3y ti\u1ebfn h\u00e0nh c\u1eaft t\u1ec9a to\u00e0n b\u1ed9 nh\u1eefng ch\u1ed3i, n\u1ee5, c\u00e0nh, hoa, l\u00e1 \u0111\u00e3 b\u1ecb nhi\u1ec5m b\u1ec7nh \u0111em \u0111i ti\u00eau h\u1ee7y, kh\u00f4ng v\u1ee9t nh\u1eefng c\u00e0nh, l\u00e1, ch\u1ed3i non b\u1ecb b\u1ec7nh d\u01b0\u1edbi g\u1ed1c c\u00e2y<\/p>\n

S\u1eed d\u1ee5ng thu\u1ed1c \u0111\u1eb7c tr\u1ecb \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb b\u1ec7nh ph\u1ea5n tr\u1eafng g\u1ed3m: thu\u1ed1c Bio Neem, Rose Protect, thu\u1ed1c \u0111\u1eb7c tr\u1ecb sinh h\u1ecdc Bio Garlic, Daconil, Avt Vil 5SC, Mekomil Gold, \u0110\u1ed3ng Nano, Bellkute 40WP,<\/p>\n

Thu\u1ed1c Bio Neem \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t  t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a c\u00e2y neem c\u00f3 t\u00e1c d\u1ee5ng ph\u00f2ng tr\u1ecb c\u00e1c m\u1ea7m b\u1ec7nh, s\u00e2u b\u1ec7nh g\u00e2y h\u1ea1i nh\u01b0 ph\u1ea5n tr\u1eafng, nh\u1ec7n \u0111\u1ecf, \u0111\u1ed1m \u0111en, s\u01b0\u01a1ng mai, b\u1ecd tr\u0129, r\u1ec7p,\u2026\u1edf m\u1ed9t \u1ed1 lo\u00e0i c\u00e2y c\u1ea3nh, c\u00e2y tr\u1ed3ng.<\/p>\n

Thu\u1ed1c tr\u1ecb ph\u1ea5n tr\u1eafng Rose Protect c\u00f3 t\u00e1c d\u1ee5ng gi\u00fap ph\u00f2ng tr\u1ecb c\u00e1c lo\u1ea1i s\u00e2u b\u1ec7nh h\u1ea1i v\u00e0 c\u00e1c m\u1ea7m b\u1ec7nh nh\u01b0 ph\u1ea5n tr\u1eafng, b\u1ecd tr\u0129, nh\u1ec7n, r\u1ec7p, \u0111\u1ed1m \u0111en, s\u01b0\u01a1ng mai,…\u1edf hoa h\u1ed3ng, c\u00e2y c\u1ea3nh.<\/p>\n

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

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