{"id":54074,"date":"2026-07-10T09:52:28","date_gmt":"2026-07-10T02:52:28","guid":{"rendered":"https:\/\/coffeefactz.com\/?p=54074"},"modified":"2026-09-05T17:15:15","modified_gmt":"2026-09-05T10:15:15","slug":"hoa-ca-phe-va-luong-mua-chu-ky-nuoc-thu-hoach","status":"publish","type":"post","link":"https:\/\/coffeefactz.com\/vi\/hoa-ca-phe-va-luong-mua-chu-ky-nuoc-thu-hoach\/","title":{"rendered":"Hoa C\u00e0 Ph\u00ea V\u00e0 L\u01b0\u1ee3ng M\u01b0a: Chu K\u1ef3 N\u01b0\u1edbc Th\u1ef1c S\u1ef1 \u0110\u1ecbnh \u0110o\u1ea1t V\u1ee5 Thu Ho\u1ea1ch C\u1ee7a B\u1ea1n Ra Sao"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hi\u1ec7n t\u01b0\u1ee3ng hoa c\u00e0 ph\u00ea bung n\u1edf \u0111\u1ed3ng lo\u1ea1t tr\u1eafng x\u00f3a kh\u00f4ng di\u1ec5n ra v\u00ec \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft lu\u00f4n thu\u1eadn l\u1ee3i \u2013 m\u00e0 x\u1ea3y ra v\u00ec c\u00e2y c\u00e0 ph\u00ea v\u1eeba tr\u1ea3i qua m\u1ed9t giai \u0111o\u1ea1n kh\u00f4 h\u1ea1n kh\u1eafc nghi\u1ec7t. S\u1ef1 thi\u1ebfu h\u1ee5t n\u01b0\u1edbc ch\u00ednh l\u00e0 t\u00edn hi\u1ec7u kh\u1edfi ph\u00e1t sinh h\u1ecdc bu\u1ed9c c\u00e2y ph\u1ea3i chu\u1ea9n b\u1ecb cho chu k\u1ef3 sinh s\u1ea3n.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Th\u1ea5u hi\u1ec3u c\u01a1 ch\u1ebf n\u00e0y s\u1ebd thay \u0111\u1ed5i to\u00e0n b\u1ed9 c\u00e1ch b\u1ea1n l\u1eadp k\u1ebf ho\u1ea1ch n\u00f4ng tr\u01b0\u1eddng: t\u1eeb l\u1ecbch thu\u00ea m\u01b0\u1edbn nh\u00e2n c\u00f4ng h\u00e1i qu\u1ea3, th\u1eddi \u0111i\u1ec3m b\u00f3n ph\u00e2n vi l\u01b0\u1ee3ng cho \u0111\u1ebfn ph\u01b0\u01a1ng \u00e1n d\u1ef1 ph\u00f2ng khi xu\u1ea5t hi\u1ec7n c\u00e1c \u0111\u1ee3t m\u01b0a b\u1ea5t th\u01b0\u1eddng g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng hoa l\u1ea1c m\u00f9a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng \u0110i\u1ec3m C\u1ed1t L\u00f5i V\u1ec1 Qu\u00e1 Tr\u00ecnh Ra Hoa C\u1ee7a C\u00e0 Ph\u00ea<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<ul class=\"wp-block-list\">\n\n<p class=\"wp-block-paragraph\"><li>M\u00f9a kh\u00f4 k\u00edch ho\u1ea1t s\u1ef1 ph\u00e2n h\u00f3a m\u1ea7m hoa th\u00f4ng qua qu\u00e1 tr\u00ecnh t\u00edch t\u1ee5 axit abscisic (ABA); n\u1ebfu kh\u00f4ng c\u00f3 giai \u0111o\u1ea1n s\u1ed1c n\u01b0\u1edbc (water stress), c\u00e2y Arabica s\u1ebd ch\u1ec9 m\u1ea3i mi\u1ebft ph\u00e1t tri\u1ec3n c\u00e0nh l\u00e1 sinh d\u01b0\u1ee1ng b\u1ea5t k\u1ec3 b\u1ea1n b\u00f3n bao nhi\u00eau ph\u00e2n hay nhi\u1ec7t \u0111\u1ed9 ra sao.<\/li> <li>\u0110\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a kh\u00ed ethylene khi \u0111\u1ea5t \u0111\u01b0\u1ee3c c\u1ea5p n\u01b0\u1edbc tr\u1edf l\u1ea1i \u2013 ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1ea3n th\u00e2n ABA \u2013 m\u1edbi l\u00e0 th\u1ee9 k\u00edch ho\u1ea1t hoa n\u1edf bung (anthesis); c\u01a1n m\u01b0a ch\u1ec9 gi\u1ea3i ph\u00f3ng nh\u1eefng g\u00ec m\u00e0 c\u01a1n h\u1ea1n h\u00e1n \u0111\u00e3 l\u1eadp tr\u00ecnh s\u1eb5n.<\/li> <li>M\u1ed9t m\u00f9a kh\u00f4 k\u00e9o d\u00e0i t\u1eeb hai \u0111\u1ebfn ba th\u00e1ng gi\u00fap h\u00ecnh th\u00e0nh nhi\u1ec1u n\u1ee5 hoa ph\u00e2n h\u00f3a ho\u00e0n ch\u1ec9nh tr\u00ean m\u1ed7i \u0111\u1ed1t c\u00e0nh, t\u1ea1o n\u00ean nh\u1eefng \u0111\u1ee3t hoa n\u1edf r\u1ed9 \u0111\u1ed3ng lo\u1ea1t v\u00e0 gi\u00fap vi\u1ec7c thu ho\u1ea1ch t\u1eadp trung trong m\u1ed9t \u0111\u1ee3t duy nh\u1ea5t.<\/li> <li>L\u01b0\u1ee3ng m\u01b0a l\u1edbn v\u01b0\u1ee3t qu\u00e1 40 mm trong \u0111\u00fang giai \u0111o\u1ea1n hoa n\u1edf r\u1ed9 c\u00f3 th\u1ec3 l\u00e0m thui ch\u1ed9t h\u1ea1t ph\u1ea5n v\u00e0 gi\u1ea3m t\u1edbi 60% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng; m\u01b0a l\u1edbn khi qu\u1ea3 g\u1ea7n ch\u00edn s\u1ebd g\u00e2y n\u1ee9t v\u1ecf, m\u1ed1c \u0111en v\u00e0 r\u1ee5ng qu\u1ea3 non h\u00e0ng lo\u1ea1t.<\/li> <li>C\u00e1c \u0111\u1ee3t ra hoa tr\u00e1i v\u1ee5 (fly crop) do m\u01b0a tr\u00e1i m\u00f9a \u0111\u00f2i h\u1ecfi m\u1ed9t khung x\u1eed l\u00fd r\u00f5 r\u00e0ng d\u1ef1a tr\u00ean \u0111\u1ed9 tu\u1ed5i c\u1ee7a l\u1ee9a qu\u1ea3 ch\u00ednh; do kh\u00f4ng c\u00f3 quy chu\u1ea9n chung trong c\u00e1c t\u00e0i li\u1ec7u n\u00f4ng h\u1ecdc c\u0169, ng\u01b0\u1eddi tr\u1ed3ng bu\u1ed9c ph\u1ea3i t\u1ef1 x\u00e2y d\u1ef1ng quy tr\u00ecnh ri\u00eang.<\/li> <li>Ghi ch\u00e9p nh\u1eadt k\u00fd l\u01b0\u1ee3ng m\u01b0a v\u00e0 ng\u00e0y hoa n\u1edf t\u1eebng l\u00f4 \u0111\u1ea5t qua 3 \u0111\u1ebfn 5 v\u1ee5 m\u00f9a li\u00ean ti\u1ebfp s\u1ebd \u0111em l\u1ea1i kh\u1ea3 n\u0103ng d\u1ef1 b\u00e1o ch\u00ednh x\u00e1c v\u1ee5 thu ho\u1ea1ch cao h\u01a1n b\u1ea5t k\u1ef3 l\u1ecbch m\u00f9a v\u1ee5 chung chung n\u00e0o.<\/li> <\/ul> <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Chi\u1ebfc \u0110\u1ed3ng H\u1ed3 Sinh H\u1ecdc V\u1eadn H\u00e0nh B\u1eb1ng N\u01b0\u1edbc C\u1ee7a C\u00e2y C\u00e0 Ph\u00ea<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Chu k\u1ef3 h\u00ecnh th\u00e1i h\u1ecdc c\u1ee7a c\u00e2y c\u00e0 ph\u00ea<\/strong> t\u1ea1i c\u00e1c v\u00f9ng tr\u1ed3ng Arabica nhi\u1ec7t \u0111\u1edbi v\u1eadn h\u00e0nh theo nh\u1ecbp \u0111i\u1ec7u c\u1ee7a n\u01b0\u1edbc, kh\u00f4ng ph\u1ea3i theo \u0111\u1ed9 d\u00e0i ng\u00e0y \u0111\u00eam hay chuy\u1ec3n d\u1ecbch m\u00f9a \u0111\u00f4ng h\u00e8 nh\u01b0 \u1edf v\u00f9ng \u00f4n \u0111\u1edbi.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ecnh t\u1ef1 n\u00e0y c\u00f3 t\u00ednh quy lu\u1eadt r\u1ea5t cao m\u1ed9t khi b\u1ea1n nh\u00ecn n\u00f3 nh\u01b0 m\u1ed9t chu\u1ed7i m\u1eaft x\u00edch nh\u00e2n qu\u1ea3. Trong su\u1ed1t m\u00f9a m\u01b0a, c\u00e2y c\u00e0 ph\u00ea d\u1ed3n to\u00e0n l\u1ef1c ph\u00e1t tri\u1ec3n sinh d\u01b0\u1ee1ng: \u0111\u00e2m ch\u1ed3i m\u1edbi, m\u1ecdc th\u00eam \u0111\u1ed1t c\u00e0nh v\u00e0 nu\u00f4i d\u01b0\u1ee1ng l\u1ee9a qu\u1ea3 hi\u1ec7n t\u1ea1i. Khi m\u00f9a kh\u00f4 \u1eadp \u0111\u1ebfn, s\u1ef1 s\u1ee5t gi\u1ea3m \u0111\u1ed9 \u1ea9m trong \u0111\u1ea5t g\u1eedi m\u1ed9t t\u00edn hi\u1ec7u b\u00e1o \u0111\u1ed9ng \u0111\u1ecf xuy\u00ean qua h\u1ec7 m\u1ea1ch: d\u1eebng sinh tr\u01b0\u1edfng c\u00e0nh l\u00e1 v\u00e0 chuy\u1ec3n h\u01b0\u1edbng n\u0103ng l\u01b0\u1ee3ng sang ph\u00e2n h\u00f3a c\u00e1c m\u1ea7m ng\u1ee7 \u1edf n\u00e1ch l\u00e1 th\u00e0nh n\u1ee5 hoa.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng g\u00ec di\u1ec5n ra b\u00ean trong c\u00e1c m\u1ea7m hoa \u0111\u00f3 trong su\u1ed1t chu k\u1ef3 h\u1ea1n h\u00e1n s\u1ebd quy\u1ebft \u0111\u1ecbnh th\u00e0nh b\u1ea1i c\u1ee7a m\u00f9a v\u1ee5 ti\u1ebfp theo. \u0110i\u1ec3m m\u1ea5u ch\u1ed1t l\u00e0: nh\u1eefng n\u1ee5 hoa n\u00e0y s\u1ebd \u0111i v\u00e0o tr\u1ea1ng th\u00e1i ng\u1ee7 ngh\u1ec9 (quiescence), ki\u00ean nh\u1eabn ch\u1edd \u0111\u1ee3i t\u00edn hi\u1ec7u cu\u1ed1i c\u00f9ng.<\/p>\n\n\n<p class=\"wp-block-paragraph\">V\u00e0 r\u1ed3i c\u01a1n m\u01b0a r\u00e0o \u0111\u1ea7u m\u00f9a tr\u00fat xu\u1ed1ng. M\u00f4 n\u1ee5 hoa h\u00fat n\u01b0\u1edbc nhanh ch\u00f3ng, c\u0103ng tr\u00e0n s\u1ee9c s\u1ed1ng v\u00e0 qu\u00e1 tr\u00ecnh <strong>n\u1edf hoa (anthesis)<\/strong> b\u00f9ng n\u1ed5 \u0111\u1ed3ng lo\u1ea1t ch\u1ec9 sau \u0111\u00f3 t\u1eeb 6 \u0111\u1ebfn 10 ng\u00e0y.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e2y c\u00e0 ph\u00ea n\u1edf hoa bao nhi\u00eau l\u1ea7n trong m\u1ed9t n\u0103m?<\/strong> C\u00e2u tr\u1ea3 l\u1eddi th\u00e0nh th\u1ef1c l\u00e0: ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c m\u00f9a m\u01b0a t\u1ea1i v\u00f9ng \u0111\u1ea5t \u0111\u00f3 b\u1eaft \u0111\u1ea7u d\u1ee9t kho\u00e1t m\u1ed9t l\u1ea7n hay b\u1ecb ng\u1eaft qu\u00e3ng b\u1edfi nh\u1eefng c\u01a1n m\u01b0a ng\u1eaft qu\u00e3ng l\u1eaft nh\u1eaft.<\/p>\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ng\u1ed9 nh\u1eadn ph\u1ed5 bi\u1ebfn c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00ednh ch\u00ednh: vai tr\u00f2 c\u1ee7a n\u01b0\u1edbc trong m\u1ed7i giai \u0111o\u1ea1n kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 cung c\u1ea5p s\u1ef1 s\u1ed1ng. N\u01b0\u1edbc \u2013 v\u00e0 s\u1ef1 v\u1eafng m\u1eb7t c\u00f3 ch\u1ee7 \u0111\u00edch c\u1ee7a n\u00f3 \u2013 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch sinh h\u1ecdc.<\/p>\n\n\n<p class=\"wp-block-paragraph\">S\u01a1 \u0111\u1ed3 tr\u1ef1c quan d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1ch th\u1ee9c chu k\u1ef3 h\u00ecnh th\u00e1i h\u1ecdc kh\u1edbp n\u1ed1i ho\u00e0n h\u1ea3o v\u1edbi t\u00ednh ch\u1ea5t m\u00f9a v\u1ee5 c\u1ee7a l\u01b0\u1ee3ng m\u01b0a trong su\u1ed1t m\u1ed9t n\u0103m canh t\u00e1c.<\/p>\n\n\n<p class=\"wp-block-paragraph\">S\u01a1 \u0111\u1ed3 n\u00e0y l\u00e0m r\u00f5 c\u00e1ch t\u1eebng giai \u0111o\u1ea1n sinh tr\u01b0\u1edfng \u0111\u1ed3ng b\u1ed9 v\u1edbi c\u00e1c ng\u01b0\u1ee1ng \u1ea9m \u0111\u1ed9 \u0111\u1ea5t \u0111\u1ec3 ki\u1ebfn t\u1ea1o n\u00ean v\u1ee5 thu ho\u1ea1ch ho\u00e0n ch\u1ec9nh.<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"1536\" src=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-phenological-cycle-rainfall-seasonality-infographic.webp\" alt=\"Infographic showing coffee phenological cycle with rainfall seasonality, vegetative growth, quiescence, bud differentiation and anthesis in 3D watercolor style\" class=\"wp-image-51997\" title=\"\" srcset=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-phenological-cycle-rainfall-seasonality-infographic.webp 1024w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-phenological-cycle-rainfall-seasonality-infographic-200x300.webp 200w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-phenological-cycle-rainfall-seasonality-infographic-683x1024.webp 683w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-phenological-cycle-rainfall-seasonality-infographic-768x1152.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<h2 class=\"wp-block-heading\">V\u00ec Sao M\u00f9a Kh\u00f4 L\u1ea1i L\u00e0 Ng\u01b0\u1eddi Ki\u1ebfn T\u1ea1o N\u00ean M\u00f9a Hoa<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1ef1 ph\u00e2n h\u00f3a m\u1ea7m hoa<\/strong> ch\u00ednh l\u00e0 c\u01a1 ch\u1ebf t\u1ea1o n\u00ean ranh gi\u1edbi gi\u1eefa m\u1ed9t \u0111\u1ee3t hoa n\u1edf r\u1ed9 tr\u1eafng c\u00e0nh \u0111\u1ed3ng lo\u1ea1t v\u00e0 nh\u1eefng \u0111\u1ee3t hoa n\u1edf l\u1eaft nh\u1eaft k\u00e9o d\u00e0i v\u00f4 t\u1eadn.<\/p>\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 chuy\u1ec3n d\u1ecbch hoocm\u00f4n th\u1ef1c v\u1eadt n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ghi nh\u1eadn trong nhi\u1ec1u t\u00e0i li\u1ec7u khoa h\u1ecdc, nh\u01b0ng b\u1ee9c tranh th\u1ef1c t\u1ebf tinh t\u1ebf h\u01a1n c\u00e2u kh\u1ea9u hi\u1ec7u \u0111\u01a1n gi\u1ea3n &#8220;kh\u00f4 h\u1ea1n t\u1ea1o ra hoa&#8221;.<\/p>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>B\u1eb1ng ch\u1ee9ng h\u1ecdc thu\u1eadt:<\/strong> N\u1ed3ng \u0111\u1ed9 axit abscisic (ABA) trong m\u00f4 c\u00e2y c\u00e0 ph\u00ea t\u0103ng v\u1ecdt trong su\u1ed1t giai \u0111o\u1ea1n stress h\u1ea1n h\u00e1n v\u00e0 sau \u0111\u00f3 s\u1ee5t gi\u1ea3m \u0111\u1ed9t ng\u1ed9t ngay khi \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u01b0\u1edbi n\u01b0\u1edbc tr\u1edf l\u1ea1i, ngay tr\u01b0\u1edbc th\u1eddi \u0111i\u1ec3m hoa n\u1edf bung. S\u1ef1 chuy\u1ec3n ti\u1ebfp sang giai \u0111o\u1ea1n bung n\u1edf th\u1ef1c t\u1ebf g\u1eafn li\u1ec1n v\u1edbi s\u1ef1 gia t\u0103ng n\u1ed3ng \u0111\u1ed9 ti\u1ec1n ch\u1ea5t ACC (1-aminocyclopropane-1-carboxylate) v\u00e0 \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a kh\u00ed ethylene \u2013 ch\u1ee9 kh\u00f4ng ph\u1ea3i do s\u1ef1 t\u00edch t\u1ee5 ABA t\u1ef1 th\u00e2n. &#8211; Tr\u00edch nghi\u00ean c\u1ee9u b\u00ecnh duy\u1ec7t c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed <a href=\"https:\/\/doi.org\/10.3389\/fpls.2022.824948\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>Frontiers in Plant Science<\/strong><\/u><\/a> v\u1ec1 s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ethylene v\u00e0 ABA trong qu\u00e1 tr\u00ecnh n\u1edf hoa c\u1ee7a c\u00e0 ph\u00ea.<\/p><\/blockquote>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a g\u00ec trong th\u1ef1c t\u1ebf? Axit Abscisic (ABA) t\u00edch t\u1ee5 trong m\u00f9a kh\u00f4 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t chi\u1ebfc \u1ed5 kh\u00f3a, ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u00eca kh\u00f3a. N\u00f3 gi\u1eef cho c\u00e1c n\u1ee5 hoa \u0111\u00e3 ph\u00e2n h\u00f3a n\u1eb1m im trong tr\u1ea1ng th\u00e1i s\u1eb5n s\u00e0ng cao \u0111\u1ed9 m\u00e0 kh\u00f4ng b\u1ecb n\u1edf non khi ch\u01b0a \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n. C\u01a1n m\u01b0a \u0111\u1ea7u m\u00f9a ch\u00ednh l\u00e0 chi\u1ebfc ch\u00eca kh\u00f3a k\u00edch ho\u1ea1t gi\u1ea3i ph\u00f3ng ethylene, m\u1edf bung chi\u1ebfc kh\u00f3a \u0111\u00f3 \u0111\u1ec3 t\u1ea5t c\u1ea3 c\u00e1c n\u1ee5 hoa c\u00f9ng th\u1ee9c gi\u1ea5c m\u1ed9t ng\u00e0y.<\/p>\n\n\n<p class=\"wp-block-paragraph\">M\u1ee9c \u0111\u1ed9 kh\u1eafc nghi\u1ec7t v\u00e0 th\u1eddi gian k\u00e9o d\u00e0i c\u1ee7a m\u00f9a kh\u00f4 quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp c\u00f3 bao nhi\u00eau m\u1ea7m hoa \u0111\u01b0\u1ee3c ph\u00e2n h\u00f3a tr\u00ean m\u1ed7i \u0111\u1ed1t c\u00e0nh. M\u1ed9t m\u00f9a kh\u00f4 t\u1eeb t\u1ed1n k\u00e9o d\u00e0i 60\u201390 ng\u00e0y cho ph\u00e9p c\u00e2y ph\u00e2n h\u00f3a 4 \u0111\u1ebfn 6 n\u1ee5 hoa tr\u00ean m\u1ed7i n\u00e1ch l\u00e1; m\u1ed9t m\u00f9a kh\u00f4 b\u1ecb ng\u1eaft qu\u00e3ng b\u1edfi nh\u1eefng c\u01a1n m\u01b0a r\u00e0o b\u1ea5t ch\u1ee3t s\u1ebd khi\u1ebfn c\u00e2y ph\u00e2n h\u00f3a ch\u1eadp ch\u1eddn, ch\u1ec9 \u0111\u1ea1t 1\u20132 n\u1ee5 r\u1ed3i l\u1ea1i chuy\u1ec3n sang \u0111\u00e2m ch\u1ed3i l\u00e1.<\/p>\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u00f9ng s\u1ea3n xu\u1ea5t Arabica l\u1edbn tr\u00ean th\u1ebf gi\u1edbi v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng thu ho\u1ea1ch m\u1ed9t v\u1ee5 t\u1eadp trung \u2013 nh\u01b0 <strong>Brazil<\/strong>, v\u00f9ng Huila c\u1ee7a <strong>Colombia<\/strong> hay T\u00e2y Nguy\u00ean c\u1ee7a <strong>Vi\u1ec7t Nam<\/strong> \u2013 \u0111\u1ec1u s\u1edf h\u1eefu m\u1ed9t m\u00f9a kh\u00f4 r\u00f5 r\u1ec7t k\u00e9o d\u00e0i t\u1eeb 2 \u0111\u1ebfn 3 th\u00e1ng.<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 n\u01a1i m\u1ed9t gi\u1ea3 \u0111\u1ecbnh quen thu\u1ed9c b\u1ecb ph\u00e1 v\u1ee1: nhi\u1ec1u ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng b\u00f3n th\u00eam ph\u00e2n v\u00e0 t\u01b0\u1edbi \u0111\u1eabm n\u01b0\u1edbc quanh n\u0103m s\u1ebd cho nhi\u1ec1u hoa h\u01a1n. Th\u1ef1c t\u1ebf ho\u00e0n to\u00e0n ng\u01b0\u1ee3c l\u1ea1i: n\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 gi\u00e1n \u0111o\u1ea1n c\u1ee7a c\u01a1n h\u1ea1n, c\u00e2y c\u00e0 ph\u00ea s\u1ebd ch\u1ec9 m\u1ea3i mi\u1ebft ph\u00e1t tri\u1ec3n c\u00e0nh l\u00e1 m\u00e0 qu\u00ean m\u1ea5t thi\u00ean ch\u1ee9c sinh s\u1ea3n.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<h2 class=\"wp-block-heading\">C\u01a1n M\u01b0a \u0110\u1ea7u M\u00f9a: Hoa N\u1edf, Th\u1ee5 Ph\u1ea5n V\u00e0 C\u1eeda S\u1ed5 \u0110\u1eadu Qu\u1ea3 Mong Manh<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Giai \u0111o\u1ea1n hoa n\u1edf v\u00e0 \u0111\u1eadu qu\u1ea3<\/strong> di\u1ec5n ra nhanh h\u01a1n nhi\u1ec1u so v\u1edbi d\u1ef1 t\u00ednh c\u1ee7a h\u1ea7u h\u1ebft ng\u01b0\u1eddi tr\u1ed3ng. Khi c\u01a1n m\u01b0a k\u00edch ho\u1ea1t \u0111\u1ea1t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ee7 l\u1edbn (th\u01b0\u1eddng t\u1eeb 15 \u0111\u1ebfn 25 mm), c\u00e1c m\u00f4 n\u1ee5 hoa s\u1ebd ng\u1eadm n\u01b0\u1edbc v\u00e0 ph\u00ecnh to th\u1ea7n t\u1ed1c trong 48 gi\u1edd.<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ee3t hoa n\u1edf r\u1ed9 k\u00e9o d\u00e0i kho\u1ea3ng 5 \u0111\u1ebfn 10 ng\u00e0y. Nh\u1eefng b\u00f4ng hoa tr\u1eafng mu\u1ed1t t\u1ecfa h\u01b0\u01a1ng th\u01a1m ng\u00e1t t\u1ef1a hoa nh\u00e0i, nh\u01b0ng v\u00f2ng \u0111\u1eddi c\u1ee7a ch\u00fang r\u1ea5t ng\u1eafn ng\u1ee7i v\u00e0 v\u00f4 c\u00f9ng m\u1eabn c\u1ea3m v\u1edbi th\u1eddi ti\u1ebft.<\/p>\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 qu\u1ea3 th\u1ef1c t\u1ebf: th\u1eddi \u0111i\u1ec3m c\u01a1n m\u01b0a xu\u1ea5t hi\u1ec7n l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng, nh\u01b0ng th\u1eddi ti\u1ebft trong nh\u1eefng ng\u00e0y hoa \u0111ang bung n\u1edf l\u1ea1i mang t\u00ednh s\u1ed1ng c\u00f2n \u0111\u1ed1i v\u1edbi t\u1ef7 l\u1ec7 \u0111\u1eadu qu\u1ea3.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Ngay sau khi th\u1ee5 ph\u1ea5n th\u00e0nh c\u00f4ng, qu\u1ea3 non b\u01b0\u1edbc v\u00e0o <strong>giai \u0111o\u1ea1n \u0111\u1ea7u \u0111inh ghim (pinhead stage)<\/strong> \u2013 nh\u1eefng ch\u1ea5m xanh t\u00ed hon \u1edf n\u00e1ch l\u00e1 h\u1ea7u nh\u01b0 kh\u00f4ng ph\u00e1t tri\u1ec3n k\u00edch th\u01b0\u1edbc trong su\u1ed1t 4 \u0111\u1ebfn 6 tu\u1ea7n \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n<p class=\"wp-block-paragraph\">B\u1ea5t k\u1ef3 s\u1ef1 thi\u1ebfu h\u1ee5t \u0111\u1ed9 \u1ea9m nghi\u00eam tr\u1ecdng n\u00e0o trong giai \u0111o\u1ea1n 4\u20136 tu\u1ea7n sau khi \u0111\u1eadu qu\u1ea3 non s\u1ebd k\u00ecm h\u00e3m qu\u00e1 tr\u00ecnh ph\u00e2n chia t\u1ebf b\u00e0o trong n\u1ed9i nh\u0169, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng r\u1ee5ng qu\u1ea3 non h\u00e0ng lo\u1ea1t ho\u1eb7c l\u00e0m h\u1ea1t nh\u00e2n b\u1ecb nh\u1ecf l\u00e9p.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<h2 class=\"wp-block-heading\">Khi L\u01b0\u1ee3ng M\u01b0a Ph\u00e1 V\u1ee1 M\u00f4 H\u00ecnh &#8220;Hoa N\u1edf \u0110\u1ec1u = V\u1ee5 M\u00f9a Chu\u1ea9n X\u00e1c&#8221;<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00e1c \u0111\u1ed9ng c\u1ee7a l\u01b0\u1ee3ng m\u01b0a l\u00ean m\u00f9a v\u1ee5<\/strong> kh\u00f4ng d\u1eebng l\u1ea1i \u1edf th\u1eddi \u0111i\u1ec3m hoa t\u00e0n. \u0110\u00e2y ch\u00ednh l\u00e0 n\u01a1i c\u00e1c m\u00f4 h\u00ecnh l\u1eadp k\u1ebf ho\u1ea1ch \u0111\u01a1n gi\u1ea3n b\u1eaft \u0111\u1ea7u b\u1ed9c l\u1ed9 l\u1ed7 h\u1ed5ng.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Chu k\u1ef3 sinh tr\u01b0\u1edfng t\u1eeb l\u00fac hoa th\u1ee5 ph\u1ea5n \u0111\u1ebfn khi qu\u1ea3 ch\u00edn \u0111\u1ecf k\u00e9o d\u00e0i t\u1eeb <strong>24 \u0111\u1ebfn 36 tu\u1ea7n<\/strong> \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c gi\u1ed1ng Arabica.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Trong <strong>giai \u0111o\u1ea1n ph\u00ecnh to qu\u1ea3 (fruit expansion phase)<\/strong> (kho\u1ea3ng tu\u1ea7n th\u1ee9 2 \u0111\u1ebfn tu\u1ea7n th\u1ee9 10 sau \u0111\u1eadu qu\u1ea3), \u0111\u1ed9 \u1ea9m \u1ed5n \u0111\u1ecbnh l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ec3 qu\u1ea3 \u0111\u1ea1t k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n.<\/p>\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc sang <strong>giai \u0111o\u1ea1n t\u00edch l\u0169y \u0111\u01b0\u1eddng v\u00e0 ch\u00edn qu\u1ea3<\/strong>, b\u1ee9c tranh th\u1eddi ti\u1ebft c\u1ea7n c\u00f3 s\u1ef1 chuy\u1ec3n d\u1ecbch tinh t\u1ebf: \u0111\u1ed9 \u1ea9m v\u1eeba ph\u1ea3i k\u1ebft h\u1ee3p n\u1eafng \u1ea5m s\u1ebd k\u00edch th\u00edch chuy\u1ec3n h\u00f3a tinh b\u1ed9t th\u00e0nh \u0111\u01b0\u1eddng sucrose v\u00e0 ho\u00e0n thi\u1ec7n c\u00e1c h\u1ee3p ch\u1ea5t h\u01b0\u01a1ng.<\/p>\n\n\n<p class=\"wp-block-paragraph\">C\u01a1n \u00e1c m\u1ed9ng l\u1edbn nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c n\u00f4ng tr\u1ea1i c\u00e0 ph\u00ea ch\u00ednh l\u00e0: m\u01b0a l\u1edbn d\u1ed3n d\u1eadp tr\u00fat xu\u1ed1ng khi qu\u1ea3 c\u00e0 ph\u00ea tr\u00ean c\u00e0nh <strong>\u0111\u00e3 b\u1eaft \u0111\u1ea7u ch\u00edn \u0111\u1ecf<\/strong>.<\/p>\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c s\u1ed1 li\u1ec7u nghi\u00ean c\u1ee9u n\u00f4ng nghi\u1ec7p \u0111\u00e3 ch\u1ec9 ra nh\u1eefng t\u1ed5n th\u1ea5t r\u1ea5t r\u00f5 r\u00e0ng:<\/p>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>D\u1eef li\u1ec7u th\u1ed1ng k\u00ea:<\/strong> L\u01b0\u1ee3ng m\u01b0a v\u01b0\u1ee3t qu\u00e1 40 mm trong giai \u0111o\u1ea1n hoa \u0111ang bung n\u1edf r\u1ed9 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u1edbi 60% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng c\u00e0 ph\u00ea t\u1ea1i m\u1ed9t s\u1ed1 v\u00f9ng tr\u1ed3ng do r\u1eeda tr\u00f4i h\u1ea1t ph\u1ea5n v\u00e0 d\u1eadp n\u00e1t b\u1ea7u nh\u1ee5y. &#8211; Ngu\u1ed3n: <a href=\"http:\/\/agritrop.cirad.fr\/570893\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>Trung t\u00e2m H\u1ee3p t\u00e1c Qu\u1ed1c t\u1ebf Nghi\u00ean c\u1ee9u N\u00f4ng nghi\u1ec7p v\u00ec Ph\u00e1t tri\u1ec3n CIRAD<\/strong><\/u><\/a><\/p><\/blockquote>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">Con s\u1ed1 \u0111\u00f3 \u00e1p d\u1ee5ng c\u1ee5 th\u1ec3 cho giai \u0111o\u1ea1n n\u1edf hoa, nh\u01b0ng nguy\u00ean l\u00fd c\u01a1 h\u1ecdc \u2013 t\u00e1c \u0111\u1ed9ng t\u00e0n ph\u00e1 v\u1eadt l\u00fd c\u1ee7a m\u01b0a b\u00e3o l\u00ean m\u1ed9t giai \u0111o\u1ea1n sinh h\u1ecdc nh\u1ea1y c\u1ea3m \u2013 c\u0169ng \u0111\u00fang v\u1edbi giai \u0111o\u1ea1n qu\u1ea3 ch\u00edn.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Hi\u1ec7n t\u01b0\u1ee3ng qu\u1ea3 ch\u00edn kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u<\/strong> l\u00e0 c\u00e1i gi\u00e1 tr\u1ef1c ti\u1ebfp c\u1ee7a nh\u1eefng \u0111\u1ee3t hoa n\u1edf l\u1eaft nh\u1eaft, k\u00e9o theo chi ph\u00ed nh\u00e2n c\u00f4ng h\u00e1i ch\u1ecdn t\u0103ng v\u1ecdt g\u1ea5p \u0111\u00f4i ho\u1eb7c g\u1ea5p ba.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Nguy c\u01a1 nhi\u1ec5m \u0111\u1ed9c t\u1ed1 n\u1ea5m <strong>Ochratoxin A (OTA)<\/strong> l\u00e0 r\u1ee7i ro s\u1ee9c kh\u1ecfe c\u1ea7n \u0111\u01b0\u1ee3c c\u1ea3nh b\u00e1o th\u1eb3ng th\u1eafn: khi qu\u1ea3 ch\u00edn b\u1ecb n\u1ee9t v\u1ecf do ng\u1eadm qu\u00e1 nhi\u1ec1u n\u01b0\u1edbc m\u01b0a ho\u1eb7c r\u1ee5ng xu\u1ed1ng n\u1ec1n \u0111\u1ea5t \u1ea9m \u01b0\u1edbt, c\u00e1c lo\u00e0i n\u1ea5m m\u1ed1c Aspergillus v\u00e0 Penicillium s\u1ebd nhanh ch\u00f3ng x\u00e2m nhi\u1ec5m v\u00e0 s\u1ea3n sinh \u0111\u1ed9c t\u1ed1 nguy hi\u1ec3m.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng ng\u01b0\u1eddi qu\u1ea3n l\u00fd trang tr\u1ea1i l\u1eadp k\u1ebf ho\u1ea1ch thu\u00ea nh\u00e2n c\u00f4ng v\u00e0 \u0111\u1eb7t tr\u01b0\u1edbc l\u1ecbch ph\u01a1i s\u1ea5y d\u1ef1a tr\u00ean m\u1ed9t cu\u1ed1n l\u1ecbch 9 th\u00e1ng c\u1ee9ng nh\u1eafc s\u1ebd ho\u00e0n to\u00e0n b\u1ecb \u0111\u1ed9ng tr\u01b0\u1edbc s\u1ef1 bi\u1ebfn thi\u00ean c\u1ee7a chu k\u1ef3 m\u01b0a.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<h2 class=\"wp-block-heading\">Hoa L\u1ea1c M\u00f9a: V\u1ee5 B\u00f3i B\u1ea5t Th\u01b0\u1eddng C\u00f3 \u00dd Ngh\u0129a G\u00ec V\u1edbi N\u00f4ng Tr\u1ea1i?<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Hi\u1ec7n t\u01b0\u1ee3ng ra hoa tr\u00e1i v\u1ee5 (off-cycle flowering)<\/strong> l\u00e0 tr\u01b0\u1eddng h\u1ee3p bi\u00ean m\u00e0 \u0111a s\u1ed1 c\u00e1c t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u0169 th\u01b0\u1eddng b\u1ecf qua, nh\u01b0ng n\u00f3 \u0111ang di\u1ec5n ra ng\u00e0y m\u1ed9t th\u01b0\u1eddng xuy\u00ean h\u01a1n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu.<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-tree-off-cycle-cherries-unseasonal-flowering.webp\" alt=\"Documentary photo of coffee tree with main crop and off-cycle fly crop cherries at different growth stages showing unseasonal flowering\" class=\"wp-image-51995\" title=\"\" srcset=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-tree-off-cycle-cherries-unseasonal-flowering.webp 1280w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-tree-off-cycle-cherries-unseasonal-flowering-300x169.webp 300w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-tree-off-cycle-cherries-unseasonal-flowering-1024x576.webp 1024w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/07\/coffee-tree-off-cycle-cherries-unseasonal-flowering-768x432.webp 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">C\u01a1 Ch\u1ebf C\u1ee7a Hoa L\u1ea1c M\u00f9a V\u00e0 Gi\u1edbi H\u1ea1n Ch\u1ea5t L\u01b0\u1ee3ng<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">C\u01a1 ch\u1ebf ph\u1ea3n \u1ee9ng kh\u00f4 \u2013 \u01b0\u1edbt c\u1ee7a c\u00e2y c\u00e0 ph\u00ea \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh c\u1ed1 \u0111\u1ecbnh trong b\u1ed9 gen. B\u1ea5t k\u1ef3 c\u01a1n m\u01b0a tr\u00e1i m\u00f9a n\u00e0o xu\u1ea5t hi\u1ec7n sau m\u1ed9t \u0111\u1ee3t kh\u00f4 h\u1ea1n ng\u1eafn c\u0169ng c\u00f3 th\u1ec3 \u0111\u00e1nh th\u1ee9c m\u1ed9t ph\u1ea7n n\u1ee5 hoa n\u1edf non, t\u1ea1o ra m\u1ed9t l\u1ee9a qu\u1ea3 ph\u1ee5 g\u1ecdi l\u00e0 &#8220;v\u1ee5 b\u00f3i&#8221; (fly crop).<\/p>\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a l\u1ee9a qu\u1ea3 b\u00f3i n\u00e0y h\u1ea7u nh\u01b0 lu\u00f4n k\u00e9m h\u01a1n l\u1ee9a qu\u1ea3 ch\u00ednh: ch\u00fang ph\u1ea3i chia s\u1ebb ch\u1ea5t dinh d\u01b0\u1ee1ng v\u1edbi l\u1ee9a qu\u1ea3 ch\u00ednh \u0111ang l\u1edbn, v\u00e0 th\u01b0\u1eddng ch\u00edn v\u00e0o th\u1eddi \u0111i\u1ec3m th\u1eddi ti\u1ebft kh\u00f4ng t\u1ed1i \u01b0u cho vi\u1ec7c ph\u01a1i s\u1ea5y.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, &#8220;k\u00e9m h\u01a1n v\u1ee5 ch\u00ednh&#8221; kh\u00f4ng \u0111\u1ed3ng ngh\u0129a l\u00e0 ho\u00e0n to\u00e0n v\u00f4 gi\u00e1 tr\u1ecb. \u1ede c\u00e1c v\u00f9ng cao c\u00f3 k\u1ef9 thu\u1eadt h\u00e1i ch\u1ecdn c\u1ea9n th\u1eadn, nh\u1eefng m\u1ebb qu\u1ea3 b\u00f3i n\u1ebfu \u0111\u01b0\u1ee3c s\u01a1 ch\u1ebf ri\u00eang bi\u1ec7t v\u1eabn c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m s\u1ed1 th\u01b0\u01a1ng m\u1ea1i t\u1ed1t.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Th\u00e1ch Th\u1ee9c C\u1ee7a Ng\u01b0\u1eddi Tr\u1ed3ng: R\u1ed1i Lo\u1ea1n Thu Ho\u1ea1ch V\u00e0 Thi\u1ebfu H\u1ee5t Quy Chu\u1ea9n<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea3n \u1ee9ng t\u00e2m l\u00fd ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi n\u00f4ng d\u00e2n khi th\u1ea5y hoa n\u1edf tr\u00e1i v\u1ee5 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 h\u00e0o h\u1ee9ng \u0111\u00f3n nh\u1eadn s\u1ea3n l\u01b0\u1ee3ng c\u1ed9ng th\u00eam, m\u00e0 l\u00e0 s\u1ef1 lo \u00e2u v\u1ec1 s\u1ef1 x\u00e1o tr\u1ed9n l\u1ecbch n\u00f4ng v\u1ee5.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng lo ng\u1ea1i n\u00e0y ho\u00e0n to\u00e0n c\u00f3 c\u01a1 s\u1edf: l\u1ee9a qu\u1ea3 b\u00f3i s\u1ebd h\u00fat b\u1edbt l\u01b0\u1ee3ng carbohydrate d\u1ef1 tr\u1eef c\u1ee7a c\u00e2y, l\u00e0m qu\u1ea3 v\u1ee5 ch\u00ednh b\u1ecb gi\u1ea3m k\u00edch c\u1ee1 h\u1ea1t v\u00e0 khi\u1ebfn vi\u1ec7c thu\u00ea m\u01b0\u1edbn nh\u00e2n c\u00f4ng b\u1ecb ph\u00e2n t\u00e1n k\u00e9o d\u00e0i.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7n t\u1ea1i kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 quy chu\u1ea9n th\u1ed1ng nh\u1ea5t n\u00e0o trong c\u00e1c s\u1ed5 tay khuy\u1ebfn n\u00f4ng truy\u1ec1n th\u1ed1ng v\u1ec1 c\u00e1ch x\u1eed l\u00fd hi\u1ec7n t\u01b0\u1ee3ng hoa tr\u00e1i v\u1ee5. \u0110a s\u1ed1 c\u00e1c h\u01b0\u1edbng d\u1eabn ch\u1ec9 khuy\u00ean n\u00f4ng d\u00e2n&#8230; ng\u1ed3i c\u1ea7u nguy\u1ec7n th\u1eddi ti\u1ebft thu\u1eadn h\u00f2a.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng cu\u1ed9c th\u1ea3o lu\u1eadn tr\u00ean c\u00e1c di\u1ec5n \u0111\u00e0n n\u00f4ng d\u00e2n cho th\u1ea5y s\u1ef1 l\u00fang t\u00fang th\u1ef1c s\u1ef1 c\u1ee7a ng\u01b0\u1eddi s\u1ea3n xu\u1ea5t tr\u01b0\u1edbc b\u00e0i to\u00e1n n\u00e0y.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<h2 class=\"wp-block-heading\">L\u00e0m Ch\u1ee7 Chu K\u1ef3 N\u01b0\u1edbc \u0110\u1ec3 \u1ed4n \u0110\u1ecbnh N\u0103ng Su\u1ea5t Thu Ho\u1ea1ch<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd s\u1ed1c n\u01b0\u1edbc<\/strong> kh\u00f4ng nh\u1eb1m m\u1ee5c \u0111\u00edch ch\u1ed1ng l\u1ea1i thi\u00ean nhi\u00ean, m\u00e0 l\u00e0 ph\u1ed1i h\u1ee3p nh\u1ecbp nh\u00e0ng v\u1edbi sinh l\u00fd h\u1ecdc c\u1ee7a c\u00e2y tr\u1ed3ng:<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed1i v\u1edbi c\u00e1c trang tr\u1ea1i c\u00f3 h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau ch\u1ee7 \u0111\u1ed9ng<\/strong>, c\u00f4ng c\u1ee5 hi\u1ec7u qu\u1ea3 nh\u1ea5t ch\u00ednh l\u00e0 <strong>k\u1ef9 thu\u1eadt t\u01b0\u1edbi th\u00e2m h\u1ee5t c\u00f3 ki\u1ec3m so\u00e1t (Regulated Deficit Irrigation &#8211; RDI)<\/strong>: ch\u1ee7 \u0111\u1ed9ng si\u1ebft n\u01b0\u1edbc trong 6\u20138 tu\u1ea7n m\u00f9a kh\u00f4 \u0111\u1ec3 \u00e9p to\u00e0n b\u1ed9 m\u1ea7m hoa tr\u00ean v\u01b0\u1eddn c\u00e2y ph\u00e2n h\u00f3a \u0111\u1ed3ng lo\u1ea1t, sau \u0111\u00f3 t\u01b0\u1edbi b\u00f9ng m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u1edbn (kho\u1ea3ng 25\u201330 mm) \u0111\u1ec3 k\u00edch ho\u1ea1t to\u00e0n b\u1ed9 hoa n\u1edf r\u1ed9 trong c\u00f9ng m\u1ed9t tu\u1ea7n duy nh\u1ea5t.<\/p>\n\n\n<p class=\"wp-block-paragraph\">K\u1ef7 lu\u1eadt then ch\u1ed1t \u1edf \u0111\u00e2y l\u00e0: ph\u1ea3i c\u01b0\u1ee1ng l\u1ea1i s\u1ef1 s\u1ed1t ru\u1ed9t t\u01b0\u1edbi n\u01b0\u1edbc gi\u1eefa chu k\u1ef3 si\u1ebft h\u1ea1n. T\u01b0\u1edbi l\u1eaft nh\u1eaft gi\u1eefa m\u00f9a kh\u00f4 ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n tr\u1ef1c ti\u1ebfp g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng hoa n\u1edf l\u1eaft nh\u1eaft nhi\u1ec1u \u0111\u1ee3t.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed1i v\u1edbi c\u00e1c trang tr\u1ea1i kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng t\u01b0\u1edbi<\/strong>, \u0111\u00f2n b\u1ea9y duy nh\u1ea5t l\u00e0 th\u00f4ng tin d\u1ef1 b\u00e1o: theo d\u00f5i s\u00e1t sao \u1ea3nh m\u00e2y v\u1ec7 tinh v\u00e0 di\u1ec5n bi\u1ebfn m\u00f9a v\u1ee5 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh l\u1ecbch ph\u00e1t c\u1ecf, t\u1ec9a c\u00e0nh che b\u00f3ng \u0111\u00f3n m\u01b0a.<\/p>\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 <strong>th\u1eddi \u0111i\u1ec3m b\u00f3n ph\u00e2n<\/strong>, kinh nghi\u1ec7m th\u1ef1c \u0111\u1ecba ch\u1ec9 r\u00f5: ch\u1ec9 b\u00f3n ph\u00e2n gi\u00e0u Kali v\u00e0 L\u00e2n ngay sau \u0111\u1ee3t hoa n\u1edf r\u1ed9 khi r\u1ec5 c\u00e2y \u0111\u00e3 ho\u00e0n to\u00e0n h\u00fat n\u01b0\u1edbc tr\u1edf l\u1ea1i; tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng b\u00f3n ph\u00e2n \u0111\u1ea1m gi\u1eefa \u0111\u1ee3t h\u1ea1n v\u00ec s\u1ebd l\u00e0m k\u00edch th\u00edch \u0111\u00e2m ch\u1ed3i l\u00e1 non c\u1ea1nh tranh v\u1edbi n\u1ee5 hoa.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Ghi ch\u00e9p s\u1ed5 s\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng<\/strong> l\u00e0 h\u00e0nh \u0111\u1ed9ng t\u1ed1n \u00edt chi ph\u00ed nh\u1ea5t nh\u01b0ng mang l\u1ea1i \u0111\u00f2n b\u1ea9y l\u1edbn nh\u1ea5t cho ng\u01b0\u1eddi tr\u1ed3ng.<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi <strong>l\u1ee9a qu\u1ea3 b\u00f3i tr\u00e1i v\u1ee5<\/strong>, m\u1ed9t b\u1ed9 khung ra quy\u1ebft \u0111\u1ecbnh 3 b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n s\u1ebd gi\u00fap gi\u1ea3i t\u1ecfa s\u1ef1 h\u1ed7n lo\u1ea1n:<\/p>\n\n\n<ul class=\"wp-block-list\">\n\n<p class=\"wp-block-paragraph\"><li><strong>N\u1ebfu l\u1ee9a qu\u1ea3 ch\u00ednh ch\u1ec9 c\u00f2n 6 \u0111\u1ebfn 8 tu\u1ea7n n\u1eefa l\u00e0 thu ho\u1ea1ch:<\/strong> H\u00e3y m\u1ea1nh d\u1ea1n tu\u1ed1t b\u1ecf to\u00e0n b\u1ed9 hoa ho\u1eb7c qu\u1ea3 non tr\u00e1i v\u1ee5 tr\u00ean nh\u1eefng l\u00f4 c\u00e2y b\u1ecb \u1ea3nh h\u01b0\u1edfng; vi\u1ec7c c\u1ea1nh tranh dinh d\u01b0\u1ee1ng v\u00e0 r\u1ee7i ro l\u1eabn h\u1ea1t xanh ch\u00edn khi h\u00e1i s\u1ebd g\u00e2y h\u1ea1i cho m\u1ebb h\u1ea1t specialty l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi ch\u00fat s\u1ea3n l\u01b0\u1ee3ng v\u1ee5 b\u00f3i thu v\u1ec1.<\/li> <li><strong>N\u1ebfu l\u1ee9a qu\u1ea3 ch\u00ednh m\u1edbi \u1edf giai \u0111o\u1ea1n ph\u00ecnh to s\u1edbm (tu\u1ea7n 2\u20138 sau \u0111\u1eadu qu\u1ea3):<\/strong> H\u00e3y gi\u1eef l\u1ea1i l\u1ee9a qu\u1ea3 b\u00f3i, nh\u01b0ng ph\u1ea3i l\u1eadp k\u1ebf ho\u1ea1ch thu h\u00e1i v\u00e0 s\u01a1 ch\u1ebf t\u00e1ch bi\u1ec7t ho\u00e0n to\u00e0n; tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng tr\u1ed9n chung qu\u1ea3 b\u00f3i v\u00e0o c\u00e1c l\u00f4 h\u00e0ng \u0111\u1eb7c s\u1ea3n c\u1ee7a v\u1ee5 ch\u00ednh.<\/li> <li><strong>N\u1ebfu l\u1ee9a qu\u1ea3 b\u00f3i \u0111\u00e3 b\u01b0\u1edbc sang giai \u0111o\u1ea1n \u0111inh ghim v\u00e0 vi\u1ec7c t\u00e1ch ri\u00eang b\u1ea5t kh\u1ea3 thi:<\/strong> Ch\u1ea5p nh\u1eadn r\u1ee7i ro ch\u1ea5t l\u01b0\u1ee3ng, si\u1ebft ch\u1eb7t k\u1ef7 lu\u1eadt h\u00e1i ch\u1ecdn t\u1eebng qu\u1ea3 ch\u00edn v\u00e0 chuy\u1ec3n h\u01b0\u1edbng ti\u00eau th\u1ee5 m\u1ebb h\u1ea1t h\u1ed7n h\u1ee3p n\u00e0y sang c\u00e1c k\u00eanh th\u01b0\u01a1ng m\u1ea1i \u0111\u1ea1i tr\u00e0 thay v\u00ec xu\u1ea5t kh\u1ea9u specialty.<\/li> <\/ul> <\/p>\n\n\n<p class=\"wp-block-paragraph\">Kho\u1ea3ng c\u00e1ch d\u1ef1 b\u00e1o \u2013 t\u1ee9c \u0111\u1ed9 ch\u00eanh l\u1ec7ch gi\u1eefa ng\u00e0y thu ho\u1ea1ch d\u1ef1 ki\u1ebfn v\u00e0 ng\u00e0y thu ho\u1ea1ch th\u1ef1c t\u1ebf \u2013 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 thu h\u1eb9p t\u1eeb h\u00e0ng th\u00e1ng tr\u1eddi xu\u1ed1ng ch\u1ec9 c\u00f2n v\u00e0i tu\u1ea7n n\u1ebfu b\u1ea1n hi\u1ec3u \u0111\u00fang ng\u00f4n ng\u1eef c\u1ee7a n\u01b0\u1edbc.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<h2 class=\"wp-block-heading\">M\u00f9a Kh\u00f4: \u0110\u00f2n B\u1ea9y N\u0103ng Su\u1ea5t H\u00e0ng \u0110\u1ea7u C\u1ee7a N\u00f4ng Tr\u1ea1i<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Xem m\u00f9a kh\u00f4 nh\u01b0 m\u1ed9t \u0111\u00f2n b\u1ea9y qu\u1ea3n l\u00fd ch\u1ee7 \u0111\u1ed9ng<\/strong> l\u00e0 b\u01b0\u1edbc chuy\u1ec3n bi\u1ebfn t\u01b0 duy quan tr\u1ecdng nh\u1ea5t c\u1ee7a ng\u01b0\u1eddi l\u00e0m c\u00e0 ph\u00ea chuy\u00ean nghi\u1ec7p.<\/p>\n\n\n<p class=\"wp-block-paragraph\">M\u00f9a kh\u00f4 l\u00ean d\u00e2y c\u00f3t cho \u0111\u1ed3ng h\u1ed3 n\u1edf hoa. N\u00f3 \u1ea5n \u0111\u1ecbnh t\u00ednh \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a v\u1ee5 thu ho\u1ea1ch. N\u00f3 \u0111\u1ecbnh h\u00ecnh ti\u1ec1m n\u0103ng ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a t\u00e1ch c\u00e0 ph\u00ea.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111ang gia t\u0103ng v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u00f3ng m\u1eb7t. M\u00f9a kh\u00f4 d\u1ecbch chuy\u1ec3n th\u1ea5t th\u01b0\u1eddng, nh\u1eefng c\u01a1n m\u01b0a tr\u00e1i m\u00f9a xu\u1ea5t hi\u1ec7n d\u00e0y \u0111\u1eb7c h\u01a1n. Vi\u1ec7c th\u1ea5u hi\u1ec3u sinh l\u00fd ra hoa c\u1ee7a c\u00e0 ph\u00ea kh\u00f4ng c\u00f2n l\u00e0 ki\u1ebfn th\u1ee9c h\u1ecdc thu\u1eadt xa x\u1ec9 m\u00e0 l\u00e0 chi\u1ebfc phao c\u1ee9u sinh cho sinh k\u1ebf nh\u00e0 n\u00f4ng.<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u0110a s\u1ed1 t\u00e0i li\u1ec7u ng\u00e0nh c\u00e0 ph\u00ea x\u01b0a nay \u0111\u01b0\u1ee3c vi\u1ebft cho c\u00e1c nh\u00e0 thu mua c\u1ea7n nh\u1eefng con s\u1ed1 th\u1ed1ng k\u00ea b\u00ecnh qu\u00e2n. R\u1ea5t \u00edt t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c vi\u1ebft cho nh\u1eefng ng\u01b0\u1eddi n\u00f4ng d\u00e2n tr\u1ef1c ti\u1ebfp \u0111\u1ee9ng tr\u00ean \u0111\u1ea5t canh t\u00e1c.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng c\u00f3 hai n\u00f4ng tr\u1ea1i l\u00e1ng gi\u1ec1ng n\u00e0o tr\u1ea3i nghi\u1ec7m hi\u1ec7n t\u01b0\u1ee3ng hoa l\u1ea1c m\u00f9a gi\u1ed1ng h\u1ec7t nhau: \u0111\u1ed9 cao, t\u00e1n che b\u00f3ng, ch\u1ea5t \u0111\u1ea5t v\u00e0 gi\u1ed1ng h\u1ea1t \u0111\u1ec1u tham gia \u0111i\u1ec1u ch\u1ec9nh t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u1eebng gi\u1ecdt n\u01b0\u1edbc m\u01b0a.<\/p>\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y b\u1eaft \u0111\u1ea7u m\u00f9a v\u1ee5 n\u00e0y b\u1eb1ng m\u1ed9t vi\u1ec7c l\u00e0m c\u1ee5 th\u1ec3: ghi ch\u00e9p ch\u00ednh x\u00e1c ng\u00e0y th\u00e1ng v\u00e0 l\u01b0\u1ee3ng m\u01b0a c\u1ee7a t\u1eebng c\u01a1n m\u01b0a r\u00e0o, quan s\u00e1t k\u1ef9 l\u01b0\u1ee1ng ph\u1ea3n \u1ee9ng c\u1ee7a t\u1eebng n\u1ee5 hoa tr\u00ean n\u00e1ch l\u00e1. M\u1ea3nh \u0111\u1ea5t s\u1ebd t\u1ef1 kh\u1eafc chia s\u1ebb nh\u1eefng b\u00ed m\u1eadt c\u1ee7a n\u00f3 cho nh\u1eefng ai ch\u1ecbu l\u1eafng nghe.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p V\u1ec1 Qu\u00e1 Tr\u00ecnh Ra Hoa C\u1ee7a C\u00e0 Ph\u00ea<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<h3 class=\"wp-block-heading\">C\u00f3 th\u1ec3 k\u00edch ho\u1ea1t hoa c\u00e0 ph\u00ea n\u1edf b\u1eb1ng h\u1ec7 th\u1ed1ng t\u01b0\u1edbi tr\u00ean \u0111\u1ea5t kh\u00f4ng c\u00f3 m\u01b0a kh\u00f4ng?<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">Ho\u00e0n to\u00e0n c\u00f3 th\u1ec3. N\u1ebfu b\u1ea1n c\u00f3 ngu\u1ed3n n\u01b0\u1edbc t\u01b0\u1edbi ch\u1ee7 \u0111\u1ed9ng, m\u1ed9t \u0111\u1ee3t t\u01b0\u1edbi \u0111\u1eabm sau giai \u0111o\u1ea1n si\u1ebft h\u1ea1n c\u00f3 ki\u1ec3m so\u00e1t t\u1eeb 6\u20138 tu\u1ea7n s\u1ebd k\u00edch th\u00edch hoa bung n\u1edf \u0111\u1ed3ng lo\u1ea1t chu\u1ea9n x\u00e1c h\u1ec7t nh\u01b0 m\u1ed9t c\u01a1n m\u01b0a r\u00e0o t\u1ef1 nhi\u00ean.<\/p>\n\n\n<h3 class=\"wp-block-heading\">M\u00f9a kh\u00f4 c\u1ea7n k\u00e9o d\u00e0i bao l\u00e2u \u0111\u1ec3 m\u1ea7m hoa ph\u00e2n h\u00f3a ho\u00e0n ch\u1ec9nh?<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">\u0110a s\u1ed1 c\u00e1c v\u00f9ng tr\u1ed3ng Arabica \u0111\u00f2i h\u1ecfi giai \u0111o\u1ea1n thi\u1ebfu h\u1ee5t n\u01b0\u1edbc li\u00ean t\u1ee5c k\u00e9o d\u00e0i t\u1eeb 6 \u0111\u1ebfn 10 tu\u1ea7n \u0111\u1ec3 to\u00e0n b\u1ed9 c\u00e1c m\u1ea7m ng\u1ee7 \u1edf n\u00e1ch l\u00e1 chuy\u1ec3n h\u00f3a tri\u1ec7t \u0111\u1ec3 th\u00e0nh n\u1ee5 hoa.<\/p>\n\n\n<h3 class=\"wp-block-heading\">C\u00e2y che b\u00f3ng c\u00f3 l\u00e0m thay \u0111\u1ed5i th\u1eddi \u0111i\u1ec3m v\u00e0 m\u1eadt \u0111\u1ed9 hoa n\u1edf kh\u00f4ng?<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, t\u00e1c \u0111\u1ed9ng r\u1ea5t r\u00f5 r\u1ec7t. T\u1ea7ng t\u00e1n che b\u00f3ng l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 b\u1ed1c h\u01a1i n\u01b0\u1edbc c\u1ee7a \u0111\u1ea5t trong m\u00f9a kh\u00f4, c\u00f3 th\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t ng\u01b0\u1ee1ng s\u1ed1c n\u01b0\u1edbc, nh\u01b0ng b\u00f9 l\u1ea1i gi\u00fap hoa n\u1edf b\u1ec1n h\u01a1n v\u00e0 t\u1ef7 l\u1ec7 th\u1ee5 ph\u1ea5n th\u00e0nh c\u00f4ng cao h\u01a1n.<\/p>\n\n\n<h3 class=\"wp-block-heading\">V\u1ee5 b\u00f3i (fly crop) kh\u00e1c g\u00ec so v\u1edbi v\u1ee5 ch\u1ed3i g\u1ed1c (ratoon crop)?<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">V\u1ee5 b\u00f3i (fly crop) l\u00e0 \u0111\u1ee3t qu\u1ea3 ph\u1ee5 ngo\u00e0i chu k\u1ef3 sinh ra t\u1eeb \u0111\u1ee3t hoa n\u1edf l\u1ea1c m\u00f9a tr\u00ean c\u00f9ng c\u00e2y c\u00e0 ph\u00ea \u0111\u00f3. C\u00f2n v\u1ee5 ch\u1ed3i g\u1ed1c (ratoon crop) l\u00e0 thu\u1eadt ng\u1eef n\u00f4ng h\u1ecdc ch\u1ec9 vi\u1ec7c thu ho\u1ea1ch t\u1eeb c\u00e1c ch\u1ed3i non t\u00e1i sinh sau khi \u0111\u1ed1n t\u1ec9a ph\u1ee5c h\u1ed3i g\u1ed1c c\u00e2y gi\u00e0 c\u1ed7i.<\/p>\n\n\n<h3 class=\"wp-block-heading\">N\u1ebfu hoa n\u1edf \u0111\u1ed3ng lo\u1ea1t nh\u01b0ng qu\u1ea3 ch\u00edn v\u1eabn c\u1ecdc c\u1ea1ch kh\u00f4ng \u0111\u1ec1u, nguy\u00ean nh\u00e2n do \u0111\u00e2u?<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ph\u00e2n b\u1ed5 l\u01b0\u1ee3ng m\u01b0a th\u1ea5t th\u01b0\u1eddng sau \u0111\u1ee3t n\u1edf hoa l\u00e0 th\u1ee7 ph\u1ea1m ph\u1ed5 bi\u1ebfn nh\u1ea5t. C\u00e1c \u0111\u1ee3t h\u1ea1n c\u1ee5c b\u1ed9 xen k\u1ebd m\u01b0a l\u1edbn trong giai \u0111o\u1ea1n qu\u1ea3 ph\u00ecnh to s\u1ebd khi\u1ebfn c\u00e1c ch\u00f9m qu\u1ea3 \u1edf c\u00e1c t\u1ea7ng t\u00e1n kh\u00e1c nhau ph\u00e1t tri\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u00eanh l\u1ec7ch.<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 cao c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng m\u01b0a c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u00edch th\u00edch hoa n\u1edf kh\u00f4ng?<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">C\u00f3. C\u00e1c trang tr\u1ea1i \u1edf \u0111\u1ed9 cao l\u1edbn h\u01a1n c\u00f3 n\u1ec1n nhi\u1ec7t m\u00e1t h\u01a1n v\u00e0 \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed cao h\u01a1n, khi\u1ebfn \u0111\u1ea5t gi\u1eef \u1ea9m l\u00e2u h\u01a1n, do \u0111\u00f3 \u0111\u00f2i h\u1ecfi c\u01a1n m\u01b0a k\u00edch ho\u1ea1t c\u00f3 l\u01b0\u1ee3ng n\u01b0\u1edbc \u00edt h\u01a1n \u0111\u00f4i ch\u00fat so v\u1edbi c\u00e1c v\u00f9ng \u0111\u1ea5t th\u1ea5p kh\u00f4 n\u00f3ng.<\/p>\n\n\n<h3 class=\"wp-block-heading\">L\u00e0m sao \u0111\u1ec3 bi\u1ebft n\u1ee5 hoa \u0111\u00e3 ph\u00e2n h\u00f3a ho\u00e0n ch\u1ec9nh tr\u01b0\u1edbc khi m\u01b0a t\u1edbi?<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u th\u1ecb gi\u00e1c r\u00f5 r\u1ec7t b\u00ean ngo\u00e0i n\u1ee5 hoa n\u1ebfu kh\u00f4ng soi k\u00ednh hi\u1ec3n vi. Th\u01b0\u1edbc \u0111o th\u1ef1c t\u1ebf \u0111\u00e1ng tin c\u1eady nh\u1ea5t l\u00e0 th\u1eddi gian t\u00edch l\u0169y c\u1ee7a m\u00f9a kh\u00f4 (t\u1ed1i thi\u1ec3u 6 tu\u1ea7n) v\u00e0 \u0111\u1ed9 \u1ea9m \u0111\u1ea5t \u0111\u00e3 c\u1ea1n ki\u1ec7t \u0111\u1ebfn ng\u01b0\u1ee1ng gi\u1edbi h\u1ea1n.<\/p>\n\n\n<h3 class=\"wp-block-heading\">T\u00f4i c\u00f3 n\u00ean lo ng\u1ea1i v\u1ec1 \u0111\u1ed9c t\u1ed1 Ochratoxin n\u1ebfu g\u1eb7p m\u01b0a l\u1edbn ngay tr\u01b0\u1edbc v\u1ee5 g\u1eb7t kh\u00f4ng?<\/h3>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-paragraph\">R\u1ea5t \u0111\u00e1ng lo ng\u1ea1i. N\u1ebfu qu\u1ea3 ch\u00edn b\u1ecb n\u1ee9t v\u1ecf ho\u1eb7c r\u1ee5ng xu\u1ed1ng \u0111\u1ea5t v\u00e0 qu\u00e1 tr\u00ecnh ph\u01a1i s\u1ea5y b\u1ecb \u0111\u00ecnh tr\u1ec7 do m\u01b0a \u1ea9m k\u00e9o d\u00e0i, n\u1ea5m m\u1ed1c s\u1ebd ph\u00e1t tri\u1ec3n r\u1ea5t nhanh. C\u1ea7n t\u00e1ch ri\u00eang to\u00e0n b\u1ed9 qu\u1ea3 n\u1ee9t v\u00e0 qu\u1ea3 nh\u1eb7t d\u01b0\u1edbi \u0111\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd \u1edf k\u00eanh ti\u00eau th\u1ee5 ri\u00eang bi\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00e0i Li\u1ec7u Tham Kh\u1ea3o<\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<ul class=\"wp-block-list\">\n\n<p class=\"wp-block-paragraph\"><li>S\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa Ethylene v\u00e0 Axit Abscisic trong bi\u1ebfn thi\u00ean \u1ea9m \u0111\u1ed9 \u0111\u1ea5t h\u00e9 l\u1ed9 vai tr\u00f2 c\u1ee7a ti\u1ec1n ch\u1ea5t ACC trong \u0111i\u1ec1u h\u00f2a n\u1edf hoa \u1edf c\u00e2y c\u00e0 ph\u00ea | frontiersin.org<\/li> <li>Nghi\u00ean c\u1ee9u t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u01b0\u1ee3ng m\u01b0a l\u00ean n\u0103ng su\u1ea5t m\u00f9a v\u1ee5 c\u00e0 ph\u00ea | agritrop.cirad.fr<\/li> <\/ul> <\/p>\n\n\n\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"C\u00f3 th\u1ec3 k\u00edch ho\u1ea1t hoa c\u00e0 ph\u00ea n\u1edf b\u1eb1ng h\u1ec7 th\u1ed1ng t\u01b0\u1edbi tr\u00ean \u0111\u1ea5t kh\u00f4ng c\u00f3 m\u01b0a kh\u00f4ng?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Ho\u00e0n to\u00e0n c\u00f3 th\u1ec3. N\u1ebfu b\u1ea1n c\u00f3 ngu\u1ed3n n\u01b0\u1edbc t\u01b0\u1edbi ch\u1ee7 \u0111\u1ed9ng, m\u1ed9t \u0111\u1ee3t t\u01b0\u1edbi \u0111\u1eabm sau giai \u0111o\u1ea1n si\u1ebft h\u1ea1n c\u00f3 ki\u1ec3m so\u00e1t t\u1eeb 6\u20138 tu\u1ea7n s\u1ebd k\u00edch th\u00edch hoa bung n\u1edf \u0111\u1ed3ng lo\u1ea1t chu\u1ea9n x\u00e1c h\u1ec7t nh\u01b0 m\u1ed9t c\u01a1n m\u01b0a r\u00e0o t\u1ef1 nhi\u00ean.\"}}, {\"@type\": \"Question\", \"name\": \"M\u00f9a kh\u00f4 c\u1ea7n k\u00e9o d\u00e0i bao l\u00e2u \u0111\u1ec3 m\u1ea7m hoa ph\u00e2n h\u00f3a ho\u00e0n ch\u1ec9nh?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\u0110a s\u1ed1 c\u00e1c v\u00f9ng tr\u1ed3ng Arabica \u0111\u00f2i h\u1ecfi giai \u0111o\u1ea1n thi\u1ebfu h\u1ee5t n\u01b0\u1edbc li\u00ean t\u1ee5c k\u00e9o d\u00e0i t\u1eeb 6 \u0111\u1ebfn 10 tu\u1ea7n \u0111\u1ec3 to\u00e0n b\u1ed9 c\u00e1c m\u1ea7m ng\u1ee7 \u1edf n\u00e1ch l\u00e1 chuy\u1ec3n h\u00f3a tri\u1ec7t \u0111\u1ec3 th\u00e0nh n\u1ee5 hoa.\"}}, {\"@type\": \"Question\", \"name\": \"C\u00e2y che b\u00f3ng c\u00f3 l\u00e0m thay \u0111\u1ed5i th\u1eddi \u0111i\u1ec3m v\u00e0 m\u1eadt \u0111\u1ed9 hoa n\u1edf kh\u00f4ng?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"C\u00f3, t\u00e1c \u0111\u1ed9ng r\u1ea5t r\u00f5 r\u1ec7t. T\u1ea7ng t\u00e1n che b\u00f3ng l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 b\u1ed1c h\u01a1i n\u01b0\u1edbc c\u1ee7a \u0111\u1ea5t trong m\u00f9a kh\u00f4, c\u00f3 th\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t ng\u01b0\u1ee1ng s\u1ed1c n\u01b0\u1edbc, nh\u01b0ng b\u00f9 l\u1ea1i gi\u00fap hoa n\u1edf b\u1ec1n h\u01a1n v\u00e0 t\u1ef7 l\u1ec7 th\u1ee5 ph\u1ea5n th\u00e0nh c\u00f4ng cao h\u01a1n.\"}}, {\"@type\": \"Question\", \"name\": \"V\u1ee5 b\u00f3i (fly crop) kh\u00e1c g\u00ec so v\u1edbi v\u1ee5 ch\u1ed3i g\u1ed1c (ratoon crop)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"V\u1ee5 b\u00f3i (fly crop) l\u00e0 \u0111\u1ee3t qu\u1ea3 ph\u1ee5 ngo\u00e0i chu k\u1ef3 sinh ra t\u1eeb \u0111\u1ee3t hoa n\u1edf l\u1ea1c m\u00f9a tr\u00ean c\u00f9ng c\u00e2y c\u00e0 ph\u00ea \u0111\u00f3. C\u00f2n v\u1ee5 ch\u1ed3i g\u1ed1c (ratoon crop) l\u00e0 thu\u1eadt ng\u1eef n\u00f4ng h\u1ecdc ch\u1ec9 vi\u1ec7c thu ho\u1ea1ch t\u1eeb c\u00e1c ch\u1ed3i non t\u00e1i sinh sau khi \u0111\u1ed1n t\u1ec9a ph\u1ee5c h\u1ed3i g\u1ed1c c\u00e2y gi\u00e0 c\u1ed7i.\"}}, {\"@type\": \"Question\", \"name\": \"N\u1ebfu hoa n\u1edf \u0111\u1ed3ng lo\u1ea1t nh\u01b0ng qu\u1ea3 ch\u00edn v\u1eabn c\u1ecdc c\u1ea1ch kh\u00f4ng \u0111\u1ec1u, nguy\u00ean nh\u00e2n do \u0111\u00e2u?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"S\u1ef1 ph\u00e2n b\u1ed5 l\u01b0\u1ee3ng m\u01b0a th\u1ea5t th\u01b0\u1eddng sau \u0111\u1ee3t n\u1edf hoa l\u00e0 th\u1ee7 ph\u1ea1m ph\u1ed5 bi\u1ebfn nh\u1ea5t. C\u00e1c \u0111\u1ee3t h\u1ea1n c\u1ee5c b\u1ed9 xen k\u1ebd m\u01b0a l\u1edbn trong giai \u0111o\u1ea1n qu\u1ea3 ph\u00ecnh to s\u1ebd khi\u1ebfn c\u00e1c ch\u00f9m qu\u1ea3 \u1edf c\u00e1c t\u1ea7ng t\u00e1n kh\u00e1c nhau ph\u00e1t tri\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u00eanh l\u1ec7ch.\"}}, {\"@type\": \"Question\", \"name\": \"\u0110\u1ed9 cao c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng m\u01b0a c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u00edch th\u00edch hoa n\u1edf kh\u00f4ng?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"C\u00f3. C\u00e1c trang tr\u1ea1i \u1edf \u0111\u1ed9 cao l\u1edbn h\u01a1n c\u00f3 n\u1ec1n nhi\u1ec7t m\u00e1t h\u01a1n v\u00e0 \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed cao h\u01a1n, khi\u1ebfn \u0111\u1ea5t gi\u1eef \u1ea9m l\u00e2u h\u01a1n, do \u0111\u00f3 \u0111\u00f2i h\u1ecfi c\u01a1n m\u01b0a k\u00edch ho\u1ea1t c\u00f3 l\u01b0\u1ee3ng n\u01b0\u1edbc \u00edt h\u01a1n \u0111\u00f4i ch\u00fat so v\u1edbi c\u00e1c v\u00f9ng \u0111\u1ea5t th\u1ea5p kh\u00f4 n\u00f3ng.\"}}, {\"@type\": \"Question\", \"name\": \"L\u00e0m sao \u0111\u1ec3 bi\u1ebft n\u1ee5 hoa \u0111\u00e3 ph\u00e2n h\u00f3a ho\u00e0n ch\u1ec9nh tr\u01b0\u1edbc khi m\u01b0a t\u1edbi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u th\u1ecb gi\u00e1c r\u00f5 r\u1ec7t b\u00ean ngo\u00e0i n\u1ee5 hoa n\u1ebfu kh\u00f4ng soi k\u00ednh hi\u1ec3n vi. 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