C\u00e1ch \u0111\u00e2y kho\u1ea3ng h\u01a1n 1500 n\u0103m, con ng\u01b0\u1eddi \u0111\u00e3 b\u1eaft \u0111\u1ea7u lai t\u1ea1o gi\u1eefa ng\u1ef1a c\u00e1i v\u00e0 l\u1eeba \u0111\u1ef1c, k\u1ebft qu\u1ea3 l\u00e0 ng\u1ef1a c\u00e1i sinh ra m\u1ed9t “b\u1ea3o b\u1ed1i nh\u1ecf”, v\u1eeba kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1ef1a v\u1eeba kh\u00f4ng ph\u1ea3i l\u00e0 l\u1eeba m\u00e0 l\u00e0 m\u1ed9t t\u1ea1p ch\u1ee7ng, g\u1ecdi l\u00e0 la. Con la c\u00f3 \u01b0u \u0111i\u1ec3m nh\u1ea1y c\u1ea3m, c\u00f3 s\u1ee9c kho\u1ebb, ch\u1ea1y t\u1ed1t c\u1ee7a lo\u00e0i ng\u1ef1a; l\u1ea1i c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m c\u00f3 s\u1ee9c kh\u00e1ng b\u1ec7nh, \u0103n nh\u1eefng th\u1ee9c \u0103n th\u00f4 c\u1ee7a lo\u00e0i l\u1eeba. Cho n\u00ean, con la c\u00f3 nhi\u1ec1u \u01b0u vi\u1ec7t h\u01a1n ng\u1ef1a v\u00e0 l\u1eeba r\u1ea5t nhi\u1ec1u, c\u0169ng c\u00f3 th\u1ec3 n\u00f3i, n\u00f3 th\u1ec3 hi\u1ec7n \u01b0u th\u1ebf c\u1ee7a lo\u00e0i t\u1ea1p ch\u1ee7ng. V\u1ec1 sau, c\u0103n c\u1ee9 v\u00e0o th\u1ef1c ti\u1ec5n v\u00e0 nghi\u00ean c\u1ee9u l\u00e2u d\u00e0i, ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n ra \u01b0u th\u1ebf t\u1ea1p ch\u1ee7ng l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn c\u1ee7a gi\u1edbi sinh v\u1eadt.<\/p>\n\n\n\n
Kh\u00f4ng ch\u1ec9 \u0111\u1ed9ng v\u1eadt c\u00f3 m\u00e0 th\u1ef1c v\u1eadt c\u0169ng c\u00f3, ch\u1ec9 c\u1ea7n ch\u00fang ta lai t\u1ea1o hai lo\u00e0i \u0111\u1ed9ng v\u1eadt hay hai lo\u00e0i th\u1ef1c v\u1eadt kh\u00e1c nhau, t\u1ea1p ch\u1ee7ng thu \u0111\u01b0\u1ee3c c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m h\u01a1n c\u1ea3 b\u1ed1 m\u1eb9 ch\u00fang. Trong l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p, t\u1ea1p ch\u1ee7ng th\u01b0\u1eddng bi\u1ec3u hi\u1ec7n \u1edf \u0111\u1eb7c tr\u01b0ng sinh tr\u01b0\u1edfng kho\u1ebb m\u1ea1nh, s\u1ee9c \u0111\u1ec1 kh\u00e1ng m\u1ea1nh, t\u00ednh th\u00edch \u1ee9ng r\u1ed9ng, s\u1ea3n l\u01b0\u1ee3ng cao, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t\u2026 V\u00ed d\u1ee5, hi\u1ec7n nay \u0111\u00e3 nu\u00f4i tr\u1ed3ng gi\u1ed1ng t\u1ea1p giao ng\u00f4 v\u00e0 cao l\u01b0\u01a1ng tr\u00ean di\u1ec7n t\u00edch r\u1ed9ng, so v\u1edbi h\u1ea1t gi\u1ed1ng b\u00ecnh th\u01b0\u1eddng t\u0103ng n\u0103ng su\u1ea5t kho\u1ea3ng 30% -50%, th\u1eadm ch\u00ed c\u00f2n b\u1ed9i t\u0103ng s\u1ea3n. Cho n\u00ean c\u00f3 ng\u01b0\u1eddi g\u1ecdi h\u1ea1t gi\u1ed1ng t\u1ea1p giao gi\u1eefa ng\u00f4 v\u00e0 cao l\u01b0\u01a1ng l\u00e0 “con la” c\u1ee7a hoa m\u00e0u. Th\u1ef1c ra, kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf h\u1ea1t gi\u1ed1ng t\u1ea1p giao “con la” gi\u1eefa ng\u00f4 v\u00e0 cao l\u01b0\u01a1ng, gi\u1ed1ng b\u00f4ng t\u1ea1p giao gi\u1eefa gi\u1ed1ng b\u00f4ng \u1edf \u0111\u1ea3o v\u1edbi gi\u1ed1ng b\u00f4ng \u1edf \u0111\u1ea5t li\u1ec1n r\u1ea5t t\u1ed1t. N\u00f3 \u0111\u01b0\u1ee3c lai gi\u1eefa lo\u1ea1i b\u00f4ng \u0111\u1ea5t li\u1ec1n s\u1ea3n l\u01b0\u1ee3ng cao, ch\u00edn s\u1edbm v\u1edbi b\u00f4ng h\u1ea3i \u0111\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, t\u01a1 d\u00e0i. \u01afu th\u1ebf c\u1ee7a h\u1ea1t gi\u1ed1ng b\u00f4ng lai n\u00e0y n\u1ed5i tr\u1ed9i, s\u1ea3n l\u01b0\u1ee3ng kh\u00f4ng ch\u1ec9 cao h\u01a1n b\u00f4ng \u1edf h\u1ea3i \u0111\u1ea3o, m\u00e0 th\u1eadm ch\u00ed c\u00f2n cao h\u01a1n c\u1ea3 b\u00f4ng \u1edf \u0111\u1ea5t li\u1ec1n, t\u01a1 d\u00e0i v\u01b0\u1ee3t qu\u00e1 c\u1ea3 ti\u00eau chu\u1ea9n c\u1ee7a b\u00f4ng h\u1ea3i \u0111\u1ea3o. Hi\u1ec7n nay, ng\u01b0\u1eddi ta \u0111ang nghi\u00ean c\u1ee9u v\u1ea5n \u0111\u1ec1 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng nh\u1eefng “ch\u00fa la hoa m\u00e0u” gi\u00fap cho l\u01b0\u01a1ng th\u1ef1c c\u00f3 \u0111\u01b0\u1ee3c b\u01b0\u1edbc ti\u1ebfn nh\u1ea3y v\u1ecdt.<\/p>\n\n\n\n
T\u1ea1i sao h\u1ea1t gi\u1ed1ng t\u1ea1p giao l\u1ea1i c\u00f3 nh\u1eefng \u01b0u th\u1ebf \u0111\u00f3? S\u1ef1 gi\u1ea3i th\u00edch th\u00f4ng th\u01b0\u1eddng hi\u1ec7n nay nh\u01b0 sau: b\u1ea5t k\u00ec hai s\u1ea3n ph\u1ea9m gi\u1ed1ng \u0111\u1ed9ng v\u1eadt hay th\u1ef1c v\u1eadt kh\u00e1c nhau, c\u01a1 s\u1edf di truy\u1ec1n trong c\u01a1 th\u1ec3 ch\u00fang c\u0169ng kh\u00f4ng gi\u1ed1ng nhau, th\u00f4ng qua t\u1ea1p giao s\u1ebd t\u1ed5 ch\u1ee9c l\u1ea1i nh\u1eefng c\u01a1 s\u1edf di truy\u1ec1n kh\u00e1c nhau, l\u1ea5y t\u1ed1t b\u00f9 x\u1ea5u, khi\u1ebfn cho nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a b\u1ea3n th\u00e2n n\u00f3 tr\u01b0\u1edbc \u0111\u00e2y \u0111\u01b0\u1ee3c \u01b0u \u0111i\u1ec3m c\u1ee7a th\u1ec3 kia b\u00f9 \u0111\u1eafp; \u0111\u1ed3ng th\u1eddi c\u01a1 s\u1edf di truy\u1ec1n kh\u00e1c nhau trong c\u01a1 th\u1ec3 gi\u1ed1ng t\u1ea1p giao s\u1ebd ph\u00e1t sinh nh\u1eefng t\u00e1c d\u1ee5ng l\u1eabn nhau, \u1ea3nh h\u01b0\u1edfng l\u1eabn nhau, t\u0103ng s\u1ee9c s\u1ed1ng, th\u1ec3 hi\u1ec7n nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a h\u1ea1t gi\u1ed1ng t\u1ea1p giao.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1ch \u0111\u00e2y kho\u1ea3ng h\u01a1n 1500 n\u0103m, con ng\u01b0\u1eddi \u0111\u00e3 b\u1eaft \u0111\u1ea7u lai t\u1ea1o gi\u1eefa ng\u1ef1a c\u00e1i v\u00e0 l\u1eeba \u0111\u1ef1c, k\u1ebft qu\u1ea3 l\u00e0 ng\u1ef1a c\u00e1i sinh ra m\u1ed9t “b\u1ea3o b\u1ed1i nh\u1ecf”, v\u1eeba kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1ef1a v\u1eeba kh\u00f4ng ph\u1ea3i l\u00e0 l\u1eeba m\u00e0 l\u00e0 m\u1ed9t t\u1ea1p ch\u1ee7ng, g\u1ecdi l\u00e0 la. Con la c\u00f3 \u01b0u \u0111i\u1ec3m nh\u1ea1y c\u1ea3m, […]<\/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-9824","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\/9824","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=9824"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9824\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}