L\u00e1 m\u00f9a thu l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng thi\u00ean nhi\u00ean ngo\u1ea1n m\u1ee5c bi\u1ebfn c\u1ea3nh quan th\u00e0nh m\u1ed9t t\u1ea5m th\u1ea3m m\u00e0u s\u1eafc r\u1ef1c r\u1ee1. M\u00e0n tr\u00ecnh di\u1ec5n h\u00e0ng n\u0103m n\u00e0y do s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1nh s\u00e1ng k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y di\u1ec7p l\u1ee5c trong l\u00e1, l\u1ed9 ra c\u00e1c s\u1eafc t\u1ed1 ti\u1ec1m \u1ea9n nh\u01b0 carotenoid v\u00e0 anthocyanin.<\/p>\n\n
Tr\u00e1i v\u1edbi quan ni\u1ec7m ph\u1ed5 bi\u1ebfn, th\u1eddi ti\u1ebft kh\u00f4 kh\u00f4ng l\u00e0m t\u0103ng \u0111\u1ed9 r\u1ef1c r\u1ee1 c\u1ee7a m\u00e0u thu. Tr\u00ean th\u1ef1c t\u1ebf, \u0111\u1ed9 \u1ea9m \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c t\u1ea1o ra s\u1eafc m\u00e0u t\u01b0\u01a1i s\u00e1ng. Khi l\u00e1 \u0111\u01b0\u1ee3c cung c\u1ea5p \u0111\u1ee7 n\u01b0\u1edbc, ch\u00fang gi\u1eef \u0111\u01b0\u1ee3c nhi\u1ec1u di\u1ec7p l\u1ee5c v\u00e0 s\u1eafc t\u1ed1 kh\u00e1c, cho m\u00e0u s\u1eafc t\u01b0\u01a1i v\u00e0 r\u1ef1c r\u1ee1 h\u01a1n.<\/p>\n\n
New England \u0111ang tr\u1ea3i qua \u0111\u1ee3t h\u1ea1n h\u00e1n nghi\u00eam tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn l\u00e1 m\u00f9a thu c\u1ee7a khu v\u1ef1c. Thi\u1ebfu m\u01b0a v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n \u0111\u00e3 khi\u1ebfn c\u00e2y b\u1ecb stress, gi\u1ea3m kh\u1ea3 n\u0103ng t\u1ea1o ra nh\u1eefng m\u00e0u s\u1eafc r\u1ef1c r\u1ee1 v\u1ed1n c\u00f3 ti\u1ebfng.<\/p>\n\n
\u0110i\u1ec1u ki\u1ec7n h\u1ea1n h\u00e1n l\u00e0m gi\u00e1n \u0111o\u1ea1n qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y di\u1ec7p l\u1ee5c trong l\u00e1. Khi c\u00e2y thi\u1ebfu n\u01b0\u1edbc, ch\u00fang s\u1ea3n xu\u1ea5t \u00edt di\u1ec7p l\u1ee5c v\u00e0 s\u1eafc t\u1ed1 kh\u00e1c h\u01a1n, khi\u1ebfn m\u00e0u thu tr\u1edf n\u00ean nh\u1ea1t v\u00e0 k\u00e9m r\u1ef1c r\u1ee1. Ngo\u00e0i ra, h\u1ea1n h\u00e1n khi\u1ebfn l\u00e1 r\u1ee5ng s\u1edbm, th\u01b0\u1eddng tr\u01b0\u1edbc khi k\u1ecbp ph\u00e1t tri\u1ec3n \u0111\u1ea7y \u0111\u1ee7 c\u00e1c s\u1eafc m\u00e0u.<\/p>\n\n
C\u01a1 quan Gi\u00e1m s\u00e1t H\u1ea1n H\u00e1n Hoa K\u1ef3 \u0111\u00e3 tuy\u00ean b\u1ed1 t\u00ecnh tr\u1ea1ng \u201ch\u1ea1n h\u00e1n c\u1ef1c \u0111oan\u201d t\u1ea1i Massachusetts l\u1ea7n \u0111\u1ea7u ti\u00ean trong n\u0103m nay. T\u00ecnh tr\u1ea1ng kh\u00f4 h\u1ea1n tr\u1ea7m tr\u1ecdng trong s\u00e1u th\u00e1ng qua \u0111\u00e3 khi\u1ebfn c\u00e2y thi\u1ebfu n\u01b0\u1edbc c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra m\u00e0u s\u1eafc r\u1ef1c r\u1ee1.<\/p>\n\n
New England kh\u00f4ng ph\u1ea3i l\u00e0 khu v\u1ef1c duy nh\u1ea5t ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a h\u1ea1n h\u00e1n. C\u00e1c bang kh\u00e1c, nh\u01b0 Alabama, c\u0169ng ghi nh\u1eadn m\u00e0u thu nh\u1ea1t h\u01a1n do \u0111i\u1ec1u ki\u1ec7n kh\u00f4 h\u1ea1n.<\/p>\n\n
Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu d\u1ef1 ki\u1ebfn s\u1ebd l\u00e0m t\u0103ng t\u1ea7n su\u1ea5t v\u00e0 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a h\u1ea1n h\u00e1n trong t\u01b0\u01a1ng lai. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn l\u00e1 m\u00f9a thu, d\u1eabn \u0111\u1ebfn nhi\u1ec1u n\u0103m m\u00e0u s\u1eafc k\u00e9m r\u1ef1c r\u1ee1 h\u01a1n.<\/p>\n\n
B\u1ea5t ch\u1ea5p th\u00e1ch th\u1ee9c t\u1eeb h\u1ea1n h\u00e1n v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, v\u1eabn c\u00f3 hy v\u1ecdng cho t\u01b0\u01a1ng lai c\u1ee7a l\u00e1 m\u00f9a thu. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Harvard d\u1ef1 \u0111o\u00e1n r\u1eb1ng, d\u00f9 th\u1eddi \u0111i\u1ec3m v\u00e0 l\u01b0\u1ee3ng m\u00e0u c\u00f3 th\u1ec3 thay \u0111\u1ed5i, t\u1ed5ng s\u1ed1 l\u00e1 m\u00f9a thu \u0111\u1ea7y m\u00e0u s\u1eafc s\u1ebd t\u0103ng theo th\u1eddi gian.<\/p>\n\n
Ngay c\u1ea3 khi h\u1ea1n h\u00e1n, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 t\u1eadn h\u01b0\u1edfng v\u1ebb \u0111\u1eb9p c\u1ee7a l\u00e1 m\u00f9a thu. M\u1ed9t v\u00e0i g\u1ee3i \u00fd:<\/p>\n\n
\u1ea2nh H\u01b0\u1edfng c\u1ee7a H\u1ea1n H\u00e1n \u0111\u1ed1i v\u1edbi L\u00e1 M\u00f9a Thu: T\u1ea1i Sao M\u00e0n Tr\u00ecnh Di\u1ec5n C\u00f3 Th\u1ec3 K\u00e9m R\u1ef1c R\u1ee1 N\u0103m Nay Hi\u1ec3u v\u1ec1 L\u00e1 M\u00f9a Thu L\u00e1 m\u00f9a thu…<\/p>\n","protected":false},"author":2,"featured_media":25360,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[34,2990,97,9217,252],"class_list":["post-14170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environmental-science","tag-climate-change","tag-drought","tag-science","tag-fall-foliage","tag-nature"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/14170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=14170"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/14170\/revisions"}],"predecessor-version":[{"id":25361,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/14170\/revisions\/25361"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/25360"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=14170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=14170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=14170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}