{"id":3303,"date":"2026-11-15T02:04:12","date_gmt":"2026-11-15T02:04:12","guid":{"rendered":"https:\/\/tuyetky.com\/79\/?p=3303"},"modified":"2026-11-15T02:14:31","modified_gmt":"2026-11-15T02:14:31","slug":"vi-sao-la-cay-doi-mau-vang-do-khi-thu-ve","status":"publish","type":"post","link":"https:\/\/tuyetky.com\/79\/2026\/11\/15\/vi-sao-la-cay-doi-mau-vang-do-khi-thu-ve\/","title":{"rendered":"V\u00ec sao l\u00e1 c\u00e2y \u0111\u1ed5i m\u00e0u v\u00e0ng, \u0111\u1ecf khi thu v\u1ec1?"},"content":{"rendered":"
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N\u1ebfu \u0111\u1ec3 \u00fd m\u1ed9t ch\u00fat, ch\u00fang ta s\u1ebd th\u1ea5y m\u1ed9t chuy\u1ec7n kh\u00e1 th\u00fa v\u1ecb: l\u00e1 c\u00e2y xanh su\u1ed1t c\u1ea3 m\u00f9a h\u00e8, v\u1eady m\u00e0 ch\u1ec9 sau v\u00e0i tu\u1ea7n se l\u1ea1nh, c\u1ea3 m\u1ed9t h\u00e0ng c\u00e2y b\u1ed7ng chuy\u1ec3n sang v\u00e0ng, cam, r\u1ed3i \u0111\u1ecf r\u1ef1c. C\u00f3 ph\u1ea3i c\u00e2y “t\u00f4 th\u00eam m\u00e0u” cho l\u00e1 v\u00e0o m\u00f9a thu kh\u00f4ng? C\u00e2u tr\u1ea3 l\u1eddi l\u1ea1i g\u1ea7n nh\u01b0 ng\u01b0\u1ee3c l\u1ea1i: nh\u1eefng m\u00e0u \u1ea5y ph\u1ea7n l\u1edbn \u0111\u00e3 c\u00f3 s\u1eb5n trong l\u00e1 t\u1eeb l\u00e2u, ch\u1ec9 l\u00e0 b\u1ecb che \u0111i.<\/p>\n\n\n\n

\"C\u00e2y
\u1ea2nh: Chait Goli tr\u00ean Pexels<\/a><\/figcaption><\/figure>\n\n\n\n

M\u00e0u xanh \u0111ang “\u0111\u00e8” l\u00ean c\u00e1c m\u00e0u kh\u00e1c<\/strong><\/p>\n\n\n\n

L\u00e1 c\u00f3 m\u00e0u xanh v\u00ec ch\u1ee9a di\u1ec7p l\u1ee5c (chlorophyll), ch\u1ea5t gi\u00fap c\u00e2y h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng \u0111\u1ec3 l\u00e0m ra \u0111\u01b0\u1eddng nu\u00f4i c\u01a1 th\u1ec3. Di\u1ec7p l\u1ee5c c\u00f3 r\u1ea5t nhi\u1ec1u trong l\u00e1 n\u00ean m\u00e0u xanh l\u1ea5n \u00e1t m\u1ecdi th\u1ee9 kh\u00e1c. Nh\u01b0ng trong l\u00e1 c\u00f2n c\u00f3 c\u00e1c s\u1eafc t\u1ed1 carotenoid, c\u00f9ng h\u1ecd v\u1edbi ch\u1ea5t t\u1ea1o m\u00e0u cho c\u1ee7 c\u00e0 r\u1ed1t hay qu\u1ea3 ng\u00f4, cho m\u00e0u v\u00e0ng v\u00e0 cam. Su\u1ed1t m\u00f9a h\u00e8, ch\u00fang v\u1eabn n\u1eb1m \u0111\u00f3, ch\u1ec9 l\u00e0 ch\u01b0a ai nh\u00ecn th\u1ea5y.<\/p>\n\n\n\n

Khi ng\u00e0y ng\u1eafn l\u1ea1i v\u00e0 tr\u1eddi m\u00e1t d\u1ea7n, nhi\u1ec1u lo\u00e0i c\u00e2y \u1edf v\u00f9ng \u00f4n \u0111\u1edbi gi\u1ea3m r\u1ed3i ng\u1eebng t\u1ea1o di\u1ec7p l\u1ee5c m\u1edbi. Di\u1ec7p l\u1ee5c c\u0169 b\u1ecb ph\u00e2n h\u1ee7y d\u1ea7n, m\u00e0u xanh nh\u1ea1t \u0111i, v\u00e0 m\u00e0u v\u00e0ng, cam b\u1ea5y l\u00e2u b\u1ecb che khu\u1ea5t l\u1ed9 ra. C\u00f3 th\u1ec3 h\u00ecnh dung nh\u01b0 m\u1ed9t b\u1ee9c tranh \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp s\u01a1n xanh d\u00e0y; khi l\u1edbp s\u01a1n m\u1ecfng \u0111i, nh\u1eefng m\u00e0u b\u00ean d\u01b0\u1edbi hi\u1ec7n ra.<\/p>\n\n\n\n

C\u00f2n m\u00e0u \u0111\u1ecf th\u00ec sao?<\/strong><\/p>\n\n\n\n

M\u00e0u \u0111\u1ecf v\u00e0 t\u00edm l\u00e0 chuy\u1ec7n kh\u00e1c. Ch\u00fang \u0111\u1ebfn t\u1eeb nh\u00f3m s\u1eafc t\u1ed1 anthocyanin, th\u1ee9 c\u0169ng t\u1ea1o n\u00ean m\u00e0u \u0111\u1ecf t\u00edm c\u1ee7a qu\u1ea3 m\u00e2m x\u00f4i hay b\u1eafp c\u1ea3i t\u00edm. Kh\u00e1c v\u1edbi carotenoid, anthocyanin \u1edf nhi\u1ec1u lo\u00e0i c\u00e2y \u0111\u01b0\u1ee3c t\u1ea1o ra m\u1edbi v\u00e0o m\u00f9a thu, khi l\u00e1 \u0111\u00e3 s\u1eafp r\u1ee5ng. Theo c\u00e1c nh\u00e0 th\u1ef1c v\u1eadt h\u1ecdc, nh\u1eefng ng\u00e0y n\u1eafng r\u00e1o, \u0111\u00eam tr\u1eddi l\u1ea1nh nh\u01b0ng ch\u01b0a t\u1edbi m\u1ee9c b\u0103ng gi\u00e1 th\u01b0\u1eddng cho m\u00e0u \u0111\u1ecf \u0111\u1eadm h\u01a1n, v\u00ec ban ng\u00e0y l\u00e1 v\u1eabn l\u00e0m ra nhi\u1ec1u \u0111\u01b0\u1eddng m\u00e0 ban \u0111\u00eam l\u1ea1nh khi\u1ebfn \u0111\u01b0\u1eddng kh\u00f3 chuy\u1ec3n \u0111i kh\u1ecfi l\u00e1.<\/p>\n\n\n\n

\"M\u1ed9t
\u1ea2nh: Jason Thompson tr\u00ean Pexels<\/a><\/figcaption><\/figure>\n\n\n\n

V\u00ec sao c\u00e2y l\u1ea1i b\u1ecf l\u00e1?<\/strong><\/p>\n\n\n\n

M\u00f9a l\u1ea1nh n\u01b0\u1edbc trong \u0111\u1ea5t kh\u00f3 h\u00fat, \u00e1nh s\u00e1ng y\u1ebfu, gi\u1eef l\u00e1 l\u1ea1i v\u1eeba t\u1ed1n n\u0103ng l\u01b0\u1ee3ng v\u1eeba d\u1ec5 m\u1ea5t n\u01b0\u1edbc. V\u00ec v\u1eady \u1edf g\u1ed1c cu\u1ed1ng m\u1ed7i l\u00e1, c\u00e2y h\u00ecnh th\u00e0nh m\u1ed9t l\u1edbp t\u1ebf b\u00e0o \u0111\u1eb7c bi\u1ec7t g\u1ecdi l\u00e0 l\u1edbp r\u1eddi. L\u1edbp n\u00e0y d\u1ea7n b\u1ecbt k\u00edn \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n gi\u1eefa l\u00e1 v\u00e0 c\u00e0nh, r\u1ed3i t\u1ea1o m\u1ed9t v\u1ebft \u0111\u1ee9t g\u1ecdn g\u00e0ng \u0111\u1ec3 l\u00e1 r\u1ee5ng \u0111i m\u00e0 c\u00e2y kh\u00f4ng b\u1ecb t\u1ed5n th\u01b0\u01a1ng. Trong l\u00fac \u0111\u00f3, c\u00e2y c\u0169ng k\u1ecbp thu h\u1ed3i m\u1ed9t ph\u1ea7n ch\u1ea5t dinh d\u01b0\u1ee1ng qu\u00fd t\u1eeb l\u00e1 v\u1ec1 c\u1ea5t trong th\u00e2n v\u00e0 r\u1ec5 cho m\u00f9a sau.<\/p>\n\n\n\n

\u0110i\u1ec1u th\u00fa v\u1ecb v\u00e0 b\u1ea5t ng\u1edd<\/strong><\/p>\n\n\n\n

V\u00ec sao c\u00e2y ph\u1ea3i b\u1ecf c\u00f4ng t\u1ea1o ra anthocyanin ngay l\u00fac l\u00e1 s\u1eafp r\u1ee5ng? \u0110\u1ebfn nay gi\u1edbi khoa h\u1ecdc v\u1eabn c\u00f2n tranh lu\u1eadn. M\u1ed9t gi\u1ea3 thuy\u1ebft cho r\u1eb1ng s\u1eafc t\u1ed1 n\u00e0y gi\u1ed1ng nh\u01b0 “kem ch\u1ed1ng n\u1eafng”, gi\u00fap l\u00e1 b\u1ea3o v\u1ec7 ph\u1ea7n di\u1ec7p l\u1ee5c c\u00f2n l\u1ea1i \u0111\u1ec3 c\u00e2y thu h\u1ed3i d\u01b0\u1ee1ng ch\u1ea5t tr\u1ecdn v\u1eb9n h\u01a1n. M\u1ed9t gi\u1ea3 thuy\u1ebft kh\u00e1c nh\u1eafc t\u1edbi vi\u1ec7c m\u00e0u s\u1eafc c\u00f3 th\u1ec3 li\u00ean quan t\u1edbi c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i. Ch\u01b0a c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi chung cho m\u1ecdi lo\u00e0i, n\u00ean \u0111\u00e2y v\u1eabn l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi m\u1edf.<\/p>\n\n\n\n

\"L\u00e1
\u1ea2nh: Ninety Seven Years tr\u00ean Pexels<\/a><\/figcaption><\/figure>\n\n\n\n

C\u00f3 th\u1ec3 \u00e1p d\u1ee5ng g\u00ec trong \u0111\u1eddi s\u1ed1ng?<\/strong><\/p>\n\n\n\n

Hi\u1ec3u chuy\u1ec7n n\u00e0y, b\u1ea1n s\u1ebd bi\u1ebft v\u00ec sao m\u00f9a thu n\u0103m nay c\u00f3 th\u1ec3 \u0111\u1eb9p h\u01a1n n\u0103m tr\u01b0\u1edbc: kh\u00f4ng ph\u1ea3i ng\u1eabu nhi\u00ean, m\u00e0 ph\u1ee5 thu\u1ed9c th\u1eddi ti\u1ebft trong v\u00e0i tu\u1ea7n tr\u01b0\u1edbc \u0111\u00f3. N\u1ebfu c\u00f3 d\u1ecbp \u0111i ng\u1eafm l\u00e1, h\u00e3y ch\u1ecdn th\u1eddi \u0111i\u1ec3m \u0111\u1ea7u thu l\u1ea1nh, ng\u00e0y n\u1eafng \u0111\u00eam se. \u1ede Vi\u1ec7t Nam, nhi\u1ec1u c\u00e2y kh\u00f4ng \u0111\u1ed5i m\u00e0u theo ki\u1ec3u \u00f4n \u0111\u1edbi m\u00e0 thay l\u00e1 theo m\u00f9a kh\u00f4; c\u00f9ng l\u00e0 l\u00e1 v\u00e0ng, l\u00e1 \u0111\u1ecf nh\u01b0ng nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y lo\u00e0i, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1eed quan s\u00e1t c\u00e2y quanh nh\u00e0 \u0111\u1ec3 t\u1ef1 ki\u1ec3m ch\u1ee9ng.<\/p>\n\n\n\n

\u00dd ch\u00ednh c\u1ea7n nh\u1edb:<\/strong> m\u00e0u l\u00e1 m\u00f9a thu kh\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c “t\u00f4 th\u00eam”, m\u00e0 ph\u1ea7n l\u1edbn l\u00e0 m\u00e0u v\u1ed1n c\u00f3 hi\u1ec7n ra khi m\u00e0u xanh r\u00fat \u0111i; ri\u00eang m\u00e0u \u0111\u1ecf th\u00ec nhi\u1ec1u lo\u00e0i c\u00e2y m\u1edbi t\u1ea1o ra.<\/p>\n\n\n\n

TuyetKy.com ch\u00fac b\u1ea1n m\u1ed7i ng\u00e0y bi\u1ebft th\u00eam m\u1ed9t \u0111i\u1ec1u th\u00fa v\u1ecb!<\/p>\n

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M\u00e0u l\u00e1 m\u00f9a thu kh\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c “t\u00f4 th\u00eam” m\u00e0 ph\u1ea7n l\u1edbn \u0111\u00e3 c\u00f3 s\u1eb5n t\u1eeb tr\u01b0\u1edbc, ch\u1ec9 ch\u1edd m\u00e0u xanh r\u00fat \u0111i.<\/p>\n","protected":false},"author":1,"featured_media":3359,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[87,82,494,487,125],"class_list":["post-3303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-relax","tag-cuoc-song","tag-kien-thuc","tag-la-mua-thu","tag-moi-ngay-mot-dieu-dang-biet","tag-tuyetky"],"jetpack_featured_media_url":"https:\/\/tuyetky.com\/79\/wp-content\/uploads\/2026\/11\/pexels-filirovska-8237133-scaled.jpg","_links":{"self":[{"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/posts\/3303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/comments?post=3303"}],"version-history":[{"count":1,"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/posts\/3303\/revisions"}],"predecessor-version":[{"id":3355,"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/posts\/3303\/revisions\/3355"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/media\/3359"}],"wp:attachment":[{"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/media?parent=3303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/categories?post=3303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tuyetky.com\/79\/wp-json\/wp\/v2\/tags?post=3303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}