C\u00e2y c\u1ed1i \u0111\u1ec1u s\u1ed1ng t\u01b0\u01a1ng \u0111\u1ed1i l\u00e2u. Trong gi\u1edbi t\u1ef1 nhi\u00ean c\u00f3 nhi\u1ec1u lo\u00e0i c\u00e2y to s\u1ed1ng \u0111\u01b0\u1ee3c h\u00e0ng tr\u0103m n\u0103m, th\u1eadm ch\u00ed c\u00f3 c\u00e2y c\u1ed5 th\u1ee5 s\u1ed1ng \u0111\u01b0\u1ee3c h\u00e0ng ngh\u00ecn n\u0103m. \u0110\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c tu\u1ed5i c\u1ee7a ch\u00fang, tho\u1ea1t nh\u00ecn t\u01b0\u1edfng nh\u01b0 m\u1ed9t chuy\u1ec7n kh\u00f3. Th\u1ebf nh\u01b0ng, sau khi ta hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y, th\u00ec vi\u1ec7c n\u00e0y d\u01b0\u1eddng nh\u01b0 c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f3. \u201c\u0110\u1ebfm v\u00f2ng tu\u1ed5i\u201d c\u1ee7a c\u00e2y ch\u00ednh l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p r\u1ea5t thu\u1eadn ti\u1ec7n.<\/p>\n\n\n\n
V\u00f2ng tu\u1ed5i c\u1ee7a c\u00e2y, ch\u00ednh l\u00e0 nh\u1eefng v\u00f2ng tr\u00f2n t\u1ea1o ra m\u1ed7i n\u0103m trong th\u00e2n c\u00e2y. Ph\u00eda b\u00ean trong l\u1edbp v\u1ecf dai c\u1ee7a th\u00e2n c\u00f3 m\u1ed9t v\u00f2ng t\u1ebf b\u00e0o \u0111\u1eb7c bi\u1ec7t sinh \u0111\u1ed9ng, ch\u00fang ph\u00e2n chia c\u0169ng r\u1ea5t nhanh, c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t l\u1edbp g\u1ed7 v\u00e0 t\u1ed5 ch\u1ee9c v\u1ecf dai m\u1edbi, g\u1ecdi l\u00e0 l\u1edbp h\u00ecnh th\u00e0nh, c\u00f3 th\u1ec3 n\u00f3i, th\u00e2n c\u00e2y ng\u00e0y c\u00e0ng to kh\u1ecfe \u0111\u1ec1u ph\u1ea3i d\u1ef1a ho\u00e0n to\u00e0n v\u00e0o s\u1ee9c m\u1ea1nh c\u1ee7a n\u00f3. S\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c t\u1ebf b\u00e0o kh\u00e1c nhau n\u00e0y r\u00f5 r\u1ec7t t\u00f9y theo m\u00f9a. Kh\u00ed h\u1eadu m\u00f9a xu\u00e2n v\u00e0 m\u00f9a h\u00e8 l\u00e0 th\u00edch h\u1ee3p nh\u1ea5t cho c\u00e2y sinh tr\u01b0\u1edfng, v\u00ec v\u1eady, c\u00e1c t\u1ebf b\u00e0o c\u1ee7a l\u1edbp h\u00ecnh th\u00e0nh ph\u00e2n chia t\u01b0\u01a1ng \u0111\u1ed1i nhanh, sinh tr\u01b0\u1edfng nhanh, c\u00e1c t\u1ebf b\u00e0o h\u00ecnh th\u00e0nh c\u00f3 th\u1ec3 t\u00edch l\u1edbn, v\u00e1ch m\u1ecfng, s\u1ee3i \u00edt, s\u1ed1 l\u01b0\u1ee3ng c\u00e1c \u1ed1ng d\u1eabn nhi\u1ec1u, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u1ed7 m\u00f9a xu\u00e2n hay g\u1ed7 s\u1edbm. \u0110\u1ebfn m\u00f9a thu, do s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c t\u1ebf b\u00e0o c\u1ee7a l\u1edbp h\u00ecnh th\u00e0nh gi\u1ea3m y\u1ebfu d\u1ea7n, n\u00ean c\u00e1c t\u1ebf b\u00e0o m\u1edbi h\u00ecnh th\u00e0nh \u0111\u01b0\u01a1ng nhi\u00ean c\u0169ng kh\u00f4ng th\u1ec3 l\u1edbn, v\u00e1ch m\u1ecfng, \u00edt s\u1ee3i, \u1ed1ng d\u1eabn \u00edt, g\u1ecdi l\u00e0 g\u1ed7 m\u00f9a thu hay g\u1ed7 mu\u1ed9n.<\/p>\n\n\n\n
Quan s\u00e1t m\u1eb7t c\u1eaft c\u1ee7a m\u1ed9t th\u00e2n c\u00e2y to, ta th\u1ea5y th\u00e2n c\u00e2y h\u00f3a ra do nh\u1eefng v\u00f2ng tr\u00f2n t\u1ea1o th\u00e0nh, m\u00e0 m\u1ed7i m\u1ed9t v\u00f2ng tr\u00f2n l\u1ea1i c\u00f3 m\u00e0u s\u1eafc v\u00e0 t\u00ednh ch\u1ea5t kh\u00e1c nhau. Theo nh\u01b0 ph\u00e2n t\u00edch \u1edf tr\u00ean, ch\u00fang ta c\u00f3 th\u1ec3 ph\u00e1n \u0111o\u00e1n: nh\u1eefng ch\u1ed7 g\u1ed7 x\u1ed1p, m\u00e0u nh\u1ea1t l\u00e0 g\u1ed7 s\u1edbm, g\u1ed7 \u0111\u1eb7c, m\u00e0u \u0111\u1eadm l\u00e0 g\u1ed7 mu\u1ed9n. G\u1ed7 s\u1edbm v\u00e0 g\u1ed7 mu\u1ed9n h\u1ee3p th\u00e0nh m\u1ed9t v\u00f2ng tr\u00f2n, \u0111\u00e2y ch\u00ednh l\u00e0 g\u1ed7 h\u00ecnh th\u00e0nh trong m\u1ed9t n\u0103m, ta g\u1ecdi l\u00e0 v\u00f2ng tu\u1ed5i g\u1ed7. Theo l\u00fd, th\u00ec m\u1ed7i n\u0103m l\u00e0 m\u1ed9t v\u00f2ng, v\u00ec v\u1eady c\u0103n c\u1ee9 v\u00e0o s\u1ed1 v\u00f2ng tr\u00f2n \u0111\u1ebfm \u0111\u01b0\u1ee3c, ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng bi\u1ebft \u0111\u01b0\u1ee3c tu\u1ed5i c\u1ee7a m\u1ed9t c\u00e2y. Th\u1ebf nh\u01b0ng, c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 c\u00e2y, nh\u01b0 cam qu\u00fdt, th\u00ec v\u00f2ng tu\u1ed5i l\u1ea1i kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi quy lu\u1eadt n\u00e0y, v\u00ec v\u1eady m\u1ed7i n\u0103m ch\u00fang c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng ba l\u1ea7n m\u1ed9t c\u00e1ch nh\u1ecbp nh\u00e0ng, h\u00ecnh th\u00e0nh ba v\u00f2ng, v\u00ec v\u1eady g\u1ecdi l\u00e0 \u201cv\u00f2ng tu\u1ed5i gi\u1ea3\u201d.<\/p>\n\n\n\n
V\u00f2ng tu\u1ed5i c\u00f3 th\u1ec3 coi l\u00e0 b\u1ea3n ghi ch\u00e9p \u0111\u00e1ng tin c\u1eady c\u1ee7a tu\u1ed5i c\u00e2y.<\/p>\n\n\n\n
Tuy nhi\u00ean, v\u00f2ng tu\u1ed5i kh\u00f4ng ph\u1ea3i l\u00e0 ph\u00e1p b\u1ea3o duy nh\u1ea5t \u0111\u1ec3 bi\u1ebft tu\u1ed5i c\u1ee7a c\u00e2y, b\u1edfi v\u00ec kh\u00f4ng ph\u1ea3i tu\u1ed5i c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i c\u00e2y \u0111\u1ec1u c\u00f3 th\u1ec3 d\u00f9ng bi\u1ec7n ph\u00e1p \u0111\u1ebfm v\u00f2ng tu\u1ed5i \u0111\u1ec3 ph\u00e1n \u0111o\u00e1n, ch\u1ec9 c\u00f3 nh\u1eefng c\u00e2y \u1edf v\u00f9ng \u00f4n \u0111\u1edbi th\u00ec v\u00f2ng tu\u1ed5i m\u1edbi r\u00f5 r\u00e0ng, c\u00f2n nh\u1eefng c\u00e2y \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1edbi, do s\u1ef1 thay \u0111\u1ed5i kh\u00ed h\u1eadu theo m\u00f9a kh\u00f4ng r\u00f5 r\u00e0ng, n\u00ean nh\u1eefng t\u1ebf b\u00e0o m\u00e0 t\u1ea7ng h\u00ecnh th\u00e0nh t\u1ea1o ra c\u0169ng kh\u00f4ng c\u00f3 g\u00ec kh\u00e1c bi\u1ec7t, cho n\u00ean v\u00f2ng tu\u1ed5i c\u0169ng kh\u00f4ng r\u00f5. Nh\u01b0 v\u1eady, \u0111\u1ec3 \u0111o\u00e1n \u0111\u01b0\u1ee3c tu\u1ed5i c\u1ee7a c\u00e2y t\u1ea5t nhi\u00ean c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 chuy\u1ec7n d\u1ec5 d\u00e0ng g\u00ec.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e2y c\u1ed1i \u0111\u1ec1u s\u1ed1ng t\u01b0\u01a1ng \u0111\u1ed1i l\u00e2u. Trong gi\u1edbi t\u1ef1 nhi\u00ean c\u00f3 nhi\u1ec1u lo\u00e0i c\u00e2y to s\u1ed1ng \u0111\u01b0\u1ee3c h\u00e0ng tr\u0103m n\u0103m, th\u1eadm ch\u00ed c\u00f3 c\u00e2y c\u1ed5 th\u1ee5 s\u1ed1ng \u0111\u01b0\u1ee3c h\u00e0ng ngh\u00ecn n\u0103m. \u0110\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c tu\u1ed5i c\u1ee7a ch\u00fang, tho\u1ea1t nh\u00ecn t\u01b0\u1edfng nh\u01b0 m\u1ed9t chuy\u1ec7n kh\u00f3. Th\u1ebf nh\u01b0ng, sau khi ta hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh sinh […]<\/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-9627","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\/9627","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=9627"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9627\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}