\u1ede c\u00e1c t\u1ec9nh V\u00e2n Nam, Qu\u1ea3ng T\u00e2y, Qu\u1ea3ng \u0110\u00f4ng, Ph\u00fac Ki\u1ebfn, Tri\u1ebft Giang c\u1ee7a Trung Qu\u1ed1c c\u00f3 m\u1ed9t lo\u1ea1i c\u00e2y th\u00e2n m\u00e2y, song c\u00f3 ra qu\u1ea3. C\u00e2y n\u00e0y th\u01b0\u1eddng qu\u1ea5n quanh th\u00e2n c\u1ee7a c\u00e1c lo\u00e0i c\u00e2y g\u1ed7 kh\u00e1c. V\u00e0o th\u00e1ng 8 h\u1eb1ng n\u0103m, c\u00e2y ra nh\u1eefng b\u00f4ng hoa c\u00f3 m\u00e0u h\u1ed3ng, c\u0169ng c\u00f3 m\u00e0u s\u1eafc \u0111\u1eb9p.<\/p>\n\n\n\n
Nh\u1eefng c\u00e2y ra h\u1ea1t \u0111\u1eadu th\u00ec r\u1ea5t nhi\u1ec1u, m\u00e0 v\u1ebb ngo\u00e0i th\u00ec c\u0169ng ch\u1eb3ng l\u1ea5y g\u00ec l\u00e0m \u0111\u1eb7c bi\u1ec7t. \u0110i\u1ec1u \u0111\u00e1ng n\u00f3i l\u00e0, b\u00ean trong th\u00e2n c\u1ee7a c\u00e2y h\u1ecd \u0111\u1eadu n\u00e0y l\u1ea1i h\u00e0m ch\u1ee9a m\u1ed9t ch\u1ea5t \u0111\u1eb7c bi\u1ec7t m\u00e0 c\u00e1c c\u00e2y h\u1ecd \u0111\u1eadu kh\u00e1c kh\u00f4ng c\u00f3. N\u1ebfu c\u1eaft \u0111\u1ee9t th\u00e2n c\u00e2y k\u00ea huy\u1ebft \u0111\u1eb1ng s\u1ebd th\u1ea5y m\u1ed9t ch\u1ea5t m\u00e0u \u0111\u1ecf n\u00e2u ch\u1ea3y ra, m\u1ed9t l\u00fac sau s\u1ebd s\u1eabm l\u1ea1i nh\u01b0 m\u00e0u ti\u1ebft g\u00e0 (k\u00ea huy\u1ebft). V\u00ec th\u1ebf m\u00e0 c\u00e2y n\u00e0y c\u00f2n c\u00f3 t\u00ean g\u1ecdi l\u00e0 \u201ck\u00ea huy\u1ebft \u0111\u1eb1ng\u201d. \u201cM\u00e1u\u201d c\u1ee7a c\u00e2y k\u00ea huy\u1ebft \u0111\u1eb1ng l\u00e0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n
Ch\u00fang ta \u0111\u1ec1u bi\u1ebft, th\u00e2n c\u1ee7a r\u1ea5t nhi\u1ec1u lo\u00e0i th\u1ef1c v\u1eadt s\u1ebd c\u1ee9ng c\u00e1p h\u01a1n theo t\u1eebng giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n. Ph\u00eda b\u00ean ngo\u00e0i l\u00e0 l\u1edbp v\u1ecf c\u00e2y, b\u00ean trong l\u00e0 g\u1ed7. Ph\u00eda b\u00ean trong c\u1ee7a l\u1edbp v\u1ecf th\u00e2n c\u00e2y k\u00ea huy\u1ebft \u0111\u1eb1ng c\u00f3 r\u1ea5t nhi\u1ec1u m\u1ea1ch t\u1ea1o th\u00e0nh m\u00f4 m\u1ea1ch. V\u00e0 c\u1ee9 2-10 m\u00f4 m\u1ea1ch s\u1ebd \u0111\u01b0\u1ee3c x\u1ebfp th\u00e0nh m\u1ed9t c\u1ee5m m\u00e0u h\u1ed3ng nh\u1ea1t. B\u00ean trong c\u00e1c m\u00f4 m\u1ea1ch ch\u1ee9a \u0111\u1ea7y c\u00e1c ch\u1ea5t m\u00e0u n\u00e2u \u0111\u1ecf nh\u1ea1t. V\u00ec th\u1ebf, khi th\u00e2n c\u00e2y b\u1ecb ch\u1eb7t \u0111\u1ee9t, \u201cm\u00e1u\u201d s\u1ebd t\u1eeb c\u00e1c m\u00f4 m\u1ea1ch ch\u1ea3y ra. \u201cM\u00e1u\u201d n\u00e0y khi kh\u00f4 s\u1ebd k\u1ebft l\u1ea1i th\u00e0nh v\u1ec7t keo m\u00e0u s\u1eabm, s\u00e1ng \u00e1nh \u0111en. Theo ph\u00e2n t\u00edch ho\u00e1 h\u1ecdc, \u1edf \u0111\u00e2y c\u00f3 c\u00e1c ch\u1ea5t tannin, \u0111\u01b0\u1eddng reducing v\u00e0 nh\u1ef1a c\u00e2y\u2026<\/p>\n\n\n\n
Th\u00e2n c\u00e2y k\u00ea huy\u1ebft \u0111\u1eb1ng l\u00e0 m\u1ed9t v\u1ecb thu\u1ed1c \u0111\u00f4ng y, c\u00f3 t\u00e1c d\u1ee5ng b\u1ed5 huy\u1ebft, th\u00f4ng huy\u1ebft, gi\u1ea3m \u0111au, th\u00f4ng kinh ho\u1ea1t huy\u1ebft; chuy\u00ean tr\u1ecb c\u00e1c b\u1ec7nh m\u00e1u h\u01b0, t\u00ea b\u1ea1i. Th\u00e2n c\u00e2y n\u00e0y c\u0169ng c\u00f3 th\u1ec3 n\u1ea5u cao, v\u00e0 \u201cCao k\u00ea huy\u1ebft \u0111\u1eb1ng\u201d \u1edf V\u00e2n Nam \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 cao t\u1ed1t nh\u1ea5t. Ng\u01b0\u1eddi d\u00f9ng thu\u1ed1c c\u00f3 kinh nghi\u1ec7m, th\u01b0\u1eddng cho cao \u201cCao k\u00ea huy\u1ebft \u0111\u1eb1ng\u201d v\u00e0o \u0111un trong n\u01b0\u1edbc \u0111\u1ec3 gi\u00e1m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a cao. N\u1ebfu th\u1ea5y xu\u1ea5t hi\u1ec7n m\u1ed9t s\u1ee3i huy\u1ebft g\u00e0, ch\u1ee9ng t\u1ecf \u0111\u00e2y l\u00e0 lo\u1ea1i cao t\u1ed1t.<\/p>\n\n\n\n
Ngo\u00e0i c\u00e2y \u201ck\u00ea huy\u1ebft \u0111\u1eb1ng\u201d c\u00f3 th\u1ec3 ch\u1ea3y m\u00e1u, \u1edf Anh c\u0169ng c\u00f3 c\u00e2y samu 700 tu\u1ed5i c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ea3y \u201cm\u00e1u\u201d. C\u00e2y n\u00e0y cao h\u01a1n 7 m, k\u00ec l\u1ea1 l\u00e0, quanh n\u0103m su\u1ed1t th\u00e1ng lu\u00f4n c\u00f3 m\u1ed9t ch\u1ea5t l\u1ecfng nh\u01b0 \u201chuy\u1ebft d\u1ecbch\u201d t\u1eeb c\u00e2y \u1ee9a ra, d\u00e0i \u0111\u1ebfn h\u01a1n 2 m. Hi\u1ec7n t\u01b0\u1ee3ng k\u00ec l\u1ea1 \u1edf c\u00e2y samu n\u00e0y h\u1ea5p d\u1eabn c\u1ea3 v\u1ea1n l\u01b0\u1ee3t du kh\u00e1ch t\u1eeb kh\u1eafp n\u01a1i \u0111\u1ebfn xem. C\u00f2n hi\u1ec7n t\u01b0\u1ee3ng v\u00ec sao c\u00e2y samu n\u00e0y c\u00f3 th\u1ec3 \u201cch\u1ea3y m\u00e1u\u201d, gi\u1edbi khoa h\u1ecdc \u0111\u1ebfn nay v\u1eabn ch\u01b0a c\u00f3 l\u1eddi gi\u1ea3i \u0111\u00e1p tho\u1ea3 \u0111\u00e1ng. \u201cM\u00e1u\u201d c\u1ee7a th\u1ef1c v\u1eadt th\u1ef1c ch\u1ea5t ch\u1ec9 l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c bi\u1ec3u hi\u1ec7n b\u00ean ngo\u00e0i m\u00e0 th\u00f4i. Th\u1ef1c v\u1eadt c\u00f3 huy\u1ebft d\u1ecbch hay kh\u00f4ng? B\u00ed m\u1eadt n\u00e0y hi\u1ec7n v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c b\u1eadt m\u00ed!<\/p>\n","protected":false},"excerpt":{"rendered":"
\u1ede c\u00e1c t\u1ec9nh V\u00e2n Nam, Qu\u1ea3ng T\u00e2y, Qu\u1ea3ng \u0110\u00f4ng, Ph\u00fac Ki\u1ebfn, Tri\u1ebft Giang c\u1ee7a Trung Qu\u1ed1c c\u00f3 m\u1ed9t lo\u1ea1i c\u00e2y th\u00e2n m\u00e2y, song c\u00f3 ra qu\u1ea3. C\u00e2y n\u00e0y th\u01b0\u1eddng qu\u1ea5n quanh th\u00e2n c\u1ee7a c\u00e1c lo\u00e0i c\u00e2y g\u1ed7 kh\u00e1c. V\u00e0o th\u00e1ng 8 h\u1eb1ng n\u0103m, c\u00e2y ra nh\u1eefng b\u00f4ng hoa c\u00f3 m\u00e0u h\u1ed3ng, c\u0169ng c\u00f3 m\u00e0u s\u1eafc […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,19],"tags":[],"class_list":["post-9655","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9655"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9655\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}