Danh hi\u1ec7u lo\u00e0i th\u1ef1c v\u1eadt nhanh nh\u1ea5t Tr\u00e1i \u0111\u1ea5t gi\u1edd thu\u1ed9c v\u1ec1 c\u00e2y s\u01a1n th\u00f9 du \u1edf Canada (Bunchberry Dogwood), c\u00e1 nh\u00e0 th\u1ef1c v\u1eadt h\u1ecdc tuy\u00ean b\u1ed1.<\/p>\n\n\n\n
Nh\u1eefng b\u00f4ng hoa s\u01a1n th\u00f9 du nh\u1ecf x\u00edu c\u00f3 th\u1eddi gian, m\u1edf ra ch\u01b0a t\u1edbi 0,5 ph\u1ea9n ngh\u00ecn gi\u00e2y, ph\u00f3ng \u0111i c\u01a1 quan sinh s\u1ea3n \u0111\u1ef1c (ph\u1ea5n hoa) d\u01b0\u1edbi m\u1ed9t \u00e1p l\u1ef1c g\u1ea9n 800 l\u1ea9n l\u1ef1c m\u00e0 c\u00e1c nh\u00e0 du h\u00e0nh \u0111\u00e3 ph\u1ea3i ch\u1ecbu khi t\u00ean l\u1eeda \u0111\u01b0\u1ee3c ph\u00f3ng. \u201cVideo t\u1ed1c \u0111\u1ed9 cao \u0111\u00e3 cho th\u1ea5y b\u00f4ng hoa n\u1edf ra trong v\u00f2ng ch\u01b0a t\u1edbi 0,5 ph\u1ea9n ngh\u00ecn gi\u00e2y, nhanh nh\u1ea5t t\u1eebng \u0111\u01b0\u1ee3c ghi nh\u1eadn \u1edf m\u1ed9t lo\u00e0i th\u1ef1c v\u1eadt\u201d, Joan Edwardst\u1ea1i \u0110\u1ea1i h\u1ecdc Williams\u1edf Williamstown, M\u1ef9, cho bi\u1ebft.<\/p>\n\n\n\n
C\u00e2y s\u01a1n th\u00f9 du (Cornus canadensis) \u0111\u00e3 v\u01b0\u1ee3t qua c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt n\u1ed5i ti\u1ebfng nhanh nh\u01b0 ch\u1edbp kh\u00e1c, nh\u01b0 qu\u1ea3 Impatiens pallida n\u1ed5 tung trong 2,8 -5,8 ph\u1ea9n ngh\u00ecn gi\u00e2y, v\u00e0 c\u00fa kh\u00e9p ch\u1eb7t c\u1ee7a hoa b\u1eaby m\u1ed3i Venustrong 100 ph\u1ea9n ngh\u00ecn gi\u00e2y.<\/p>\n\n\n\n
Lo\u00e0i c\u00e2y n\u00e0y th\u1eadm ch\u00ed c\u00f2n nhanh h\u01a1n c\u1ea3 b\u1ecd ch\u00e9t c\u00f3 c\u00fa nh\u1ea3y v\u1edbi t\u1ed1c \u0111\u1ed9 0,5 -1,0 ph\u1ea9n ngh\u00ecn gi\u00e2y v\u00e0 t\u00f4m b\u1ecd ng\u1ef1a v\u1edbi pha t\u1ea5n c\u00f4ng ch\u1edbp nho\u00e1ng trong 2,7 ph\u1ea9n ngh\u00ecn gi\u00e2y. \u201c Nh\u1ecb hoa s\u01a1n th\u00f9 du \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o gi\u1ed1ng nh\u01b0 m\u00e1y b\u1eafn \u0111\u00e1 th\u1eddi trung c\u1ed5 thu nh\u1ecf\u201d, Edwards cho bi\u1ebft . C\u1ed7 m\u00e1y n\u00e0y cho ph\u00e9p b\u00f4ng hoa b\u1eafn ph\u1ea5n \u0111i xa h\u01a1n c\u1ea3 m\u1ed9t chi\u1ebfc m\u00e1y l\u0103ng \u0111\u00e1 \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n
Th\u00f4ng th\u01b0\u1eddng, k\u1ebb kh\u1edfi \u0111\u1ed9ng cho chi\u1ebfc m\u00e1y b\u1eafn \u0111\u00e1 n\u00e0y th\u01b0\u1eddng l\u00e0 nh\u1eefng con c\u00f4n tr\u00f9ng l\u1edbn nh\u01b0 ong b\u1eafp c\u00e0y, ho\u1eb7c \u0111\u00f4i khi ch\u1eb3ng c\u00f3 g\u00ec c\u1ea3. Khi m\u1ed9t con c\u00f4n tr\u00f9ng \u0111\u1eadu v\u00e0o b\u00f4ng hoa, ph\u1ea5n hoa d\u00ednh l\u00ean th\u00e2n th\u1ec3 ch\u00fang v\u00e0 \u0111\u01b0\u1ee3c truy\u1ec1n sang nh\u1eefng b\u00f4ng hoa kh\u00e1c. C\u0169ng c\u00f3 khi b\u00f4ng hoa t\u1ef1 n\u1edf ra, ph\u1ea5n hoa \u0111\u01b0\u1ee3c mang \u0111i trong gi\u00f3 v\u00e0 h\u1ed9i ng\u1ed9 v\u1edbi c\u01a1 quan sinh s\u1ea3n c\u00e1i c\u1ee7a nh\u1eefng b\u00f4ng hoa kh\u00e1c.<\/p>\n\n\n\n
Tuy v\u1eady, nh\u1eefng ph\u1ea5n hoa \u0111\u1ee7 d\u00ednh \u0111\u1ec3 b\u00e1m l\u1ea1i tr\u00ean th\u00e2n th\u1ec3 c\u00f4n tr\u00f9ng th\u01b0\u1eddng kh\u00f4ng c\u00f3 \u0111\u1ee7 b\u1ed9t \u0111\u1ec3 mang \u0111i trong gi\u00f3. V\u00ec v\u1eady, c\u00f3 th\u1ec3 c\u00e2y s\u01a1n ph\u00f9 du \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u00e1y b\u1eafn \u0111\u1ea1n nh\u1ecf xiu l\u00e0m ph\u01b0\u01a1ng \u00e1n d\u1ef1 ph\u00f2ng, khi m\u00e0 nh\u1eefng k\u1ebb th\u1ee5 ph\u1ea5n kh\u00f4ng xu\u1ea5t hi\u1ec7n, c\u00e1c nh\u00e0 khoa h\u1ecdc ph\u1ecfng \u0111o\u00e1n.<\/p>\n\n\n\n
C\u00e2y s\u01a1n th\u00f9 du l\u00e0 lo\u00e0i th\u1ef1c v\u1eadt ph\u1ed5 bi\u1ebfn t\u1ea1o n\u00ean nh\u1eefng th\u1ea3m c\u1ecf d\u01b0\u1edbi r\u1eebng taiga v\u00e0 v\u00e2n sam Canada.<\/p>\n","protected":false},"excerpt":{"rendered":"
Danh hi\u1ec7u lo\u00e0i th\u1ef1c v\u1eadt nhanh nh\u1ea5t Tr\u00e1i \u0111\u1ea5t gi\u1edd thu\u1ed9c v\u1ec1 c\u00e2y s\u01a1n th\u00f9 du \u1edf Canada (Bunchberry Dogwood), c\u00e1 nh\u00e0 th\u1ef1c v\u1eadt h\u1ecdc tuy\u00ean b\u1ed1. Nh\u1eefng b\u00f4ng hoa s\u01a1n th\u00f9 du nh\u1ecf x\u00edu c\u00f3 th\u1eddi gian, m\u1edf ra ch\u01b0a t\u1edbi 0,5 ph\u1ea9n ngh\u00ecn gi\u00e2y, ph\u00f3ng \u0111i c\u01a1 quan sinh s\u1ea3n \u0111\u1ef1c (ph\u1ea5n hoa) […]<\/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":[1,15],"tags":[],"class_list":["post-10682","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10682","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=10682"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10682\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}