{"id":840,"date":"2017-04-05T10:05:42","date_gmt":"2017-04-05T03:05:42","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=840"},"modified":"2017-04-05T10:59:16","modified_gmt":"2017-04-05T03:59:16","slug":"nghien-cuu-dac-diem-sinh-truong-phat-trien-cua-mot-so-nguon-gen-ke-chan-vit-eleusine-coracana-l-gaertn-tai-ngan-hang-gen-cay-trong-quoc-gia-an-khanh-hoai-duc-ha-noi","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=840","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m sinh tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n c\u1ee7a m\u1ed9t s\u1ed1 ngu\u1ed3n gen k\u00ea ch\u00e2n v\u1ecbt (Eleusine coracana (L.) Gaertn) t\u1ea1i Ng\u00e2n h\u00e0ng gen c\u00e2y tr\u1ed3ng Qu\u1ed1c gia, An Kh\u00e1nh, Ho\u00e0i \u0110\u1ee9c, H\u00e0 N\u1ed9i"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td colspan=\"2\">\u00a0\u00a0\u00a0\u00a0 K\u00ea Ch\u00e2n v\u1ecbt l\u00e0 c\u00e2y l\u01b0\u01a1ng th\u1ef1c c\u00f3 h\u1ea1t c\u00f3 ngu\u1ed3n g\u1ed1c \u1ea4n \u0111\u1ed9 v\u00e0 \u0110\u00f4ng Phi ch\u00e2u. Tr\u00ean th\u1ebf gi\u1edbi, k\u00ea ch\u00e2n v\u1ecbt l\u00e0 c\u00e2y l\u01b0\u01a1ng th\u1ef1c th\u00edch \u1ee9ng v\u1edbi v\u00f9ng n\u00f4ng nghi\u1ec7p n\u01b0\u1edbc tr\u1eddi \u1edf ch\u00e2u \u00c1 v\u00e0 ch\u00e2u Phi. \u1ede Vi\u1ec7t Nam, k\u00ea l\u00e0 c\u00e2y l\u01b0\u01a1ng th\u1ef1c truy\u1ec1n th\u1ed1ng ph\u00e2n b\u1ed1 \u1edf kh\u1eafp c\u00e1c v\u00f9ng. S\u1eed d\u1ee5ng nh\u1eefng gi\u1ed1ng k\u00ea \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u00e3 b\u1ecb l\u1eabn t\u1ea1p, h\u1ea1n ch\u1ebf v\u1ec1 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u00f4 h\u1ea1n, nhi\u1ec7t \u0111\u1ed9 cao \u0111ang l\u00e0 nguy\u00ean nh\u00e2n l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 canh t\u00e1c k\u00ea.<\/p>\n<p>Nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 \u0111\u1eb7c \u0111i\u1ec3m n\u00f4ng sinh h\u1ecdc t\u1eadp \u0111o\u00e0n k\u00ea ch\u00e2n v\u1ecbt, qua \u0111\u00f3 x\u00e1c \u0111\u1ecbnh nh\u1eefng ngu\u1ed3n v\u1eadt li\u1ec7u ch\u1ed1ng ch\u1ecbu v\u1edbi \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng b\u1ea5t thu\u1eadn, c\u00f3 gi\u00e1 tr\u1ecb n\u00f4ng sinh h\u1ecdc v\u00e0 mang l\u1ea1i ngu\u1ed3n thu nh\u1eadp \u1ed5n \u0111\u1ecbnh cho ng\u01b0\u1eddi d\u00e2n \u0111\u1ecba ph\u01b0\u01a1ng l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p quan tr\u1ecdng \u1ee9ng ph\u00f3 v\u1edbi bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111ang di\u1ec5n ra \u1edf n\u01b0\u1edbc ta hi\u1ec7n nay.<\/p>\n<p>Tr\u00ean c\u01a1 s\u1edf kh\u1ea3o s\u00e1t chi\u1ec1u cao c\u00e2y v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u00e2n nh\u00e1nh trong 2 n\u0103m t\u1eeb 2013-2014, t\u1eadp \u0111o\u00e0n k\u00ea ch\u00e2n v\u1ecbt g\u1ed3m 48 m\u1eabu gi\u1ed1ng t\u1ea1i Trung t\u00e2m T\u00e0i nguy\u00ean th\u1ef1c v\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh 4 nh\u00f3m kh\u00e1c nhau l\u00e0: cao c\u00e2y &#8211; nhi\u1ec1u nh\u00e1nh, cao c\u00e2y &#8211; \u00edt nh\u00e1nh, th\u1ea5p c\u00e2y -nhi\u1ec1u nh\u00e1nh v\u00e0 th\u1ea5p c\u00e2y &#8211; \u00edt nh\u00e1nh, t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng m\u1eabu gi\u1ed1ng trong t\u1eadp \u0111o\u00e0n l\u00e0 1, 37, 1 v\u00e0 9 m\u1eabu gi\u1ed1ng.<\/p>\n<p>D\u1ef1a v\u00e0o s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed3ng th\u1eddi 2 t\u00ednh tr\u1ea1ng s\u1ed1 l\u00e1 v\u00e0 chi\u1ec1u r\u1ed9ng phi\u1ebfn l\u00e1, t\u1eadp \u0111o\u00e0n \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh 4 nh\u00f3m gi\u1ed1ng: nhi\u1ec1u l\u00e1 &#8211; phi\u1ebfn r\u1ed9ng, nhi\u1ec1u l\u00e1 &#8211; phi\u1ebfn h\u1eb9p, \u00edt l\u00e1 &#8211; phi\u1ebfn r\u1ed9ng v\u00e0 \u00edt l\u00e1 &#8211; phi\u1ebfn h\u1eb9p, t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng m\u1eabu gi\u1ed1ng trong t\u1eadp \u0111o\u00e0n l\u00e0 7, 5, 11 v\u00e0 25 m\u1eabu gi\u1ed1ng. V\u1edbi s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed3ng th\u1eddi c\u1ee7a 2 t\u00ednh tr\u1ea1ng \u0111\u1ed9 nghi\u00eang th\u00e2n v\u00e0 th\u1eddi gian gieo \u0111\u1ebfn tr\u1ed7, \u0111\u00e3 chia t\u1eadp \u0111o\u00e0n th\u00e0nh 2 nh\u00f3m gi\u1ed1ng: c\u00e2y \u0111\u1ee9ng th\u1eafng &#8211; gieo \u0111\u1ebfn tr\u1ed7 ng\u1eafn, c\u00e2y \u0111\u1ee9ng th\u1eb3ng &#8211; gieo \u0111\u1ebfn tr\u1ed7 d\u00e0i, t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng m\u1eabu gi\u1ed1ng trong t\u1eadp \u0111o\u00e0n l\u00e0 25 v\u00e0 23 m\u1eabu gi\u1ed1ng.<\/p>\n<p>D\u1ef1a v\u00e0o s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed3ng th\u1eddi c\u1ee7a 2 t\u00ednh tr\u1ea1ng s\u1ed1 gi\u00e9\/b\u00f4ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ngh\u00ecn h\u1ea1t, t\u1eadp \u0111o\u00e0n \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh 4 nh\u00f3m gi\u1ed1ng: Nhi\u1ec1u gi\u00e9 &#8211; kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t l\u1edbn, nhi\u1ec1u gi\u00e9 &#8211; kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t b\u00e9, \u00edt gi\u00e9 &#8211; kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t l\u1edbn v\u00e0 \u00edt gi\u00e9 &#8211; kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t b\u00e9, t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng m\u1eabu gi\u1ed1ng trong t\u1eadp \u0111o\u00e0n l\u00e0 4, 31, 1 v\u00e0 12 m\u1eabu gi\u1ed1ng.<\/p>\n<p>Tr\u00ean c\u01a1 s\u1edf t\u1ed5ng h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 c\u1ea5u th\u00e0nh n\u0103ng su\u1ea5t, 9 gi\u1ed1ng k\u00ea v\u1edbi n\u0103ng su\u1ea5t t\u1eeb 3240-5620 kg\/ha, t\u0103ng &gt;25% so v\u1edbi \u0111\u1ed1i ch\u1ee9ng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 ngu\u1ed3n v\u1eadt li\u1ec7u quan tr\u1ecdng cho c\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u, khai th\u00e1c v\u00e0 ph\u00e1t tri\u1ec3n c\u00e2y k\u00ea \u1edf n\u01b0\u1edbc ta.<\/p>\n<p>Xem b\u00e0i b\u00e1o chi ti\u1ebft <a href=\"https:\/\/www.prc.maiatech.com.vn\/UserFiles\/File\/Bai%20bao%20khoa%20hoc\/NC%20dac%20diem%20sinh%20truong,%20phat%20trien%20cua%20mot%20so%20NG%20ke%20chan%20vit%20tai%20NHG.pdf\">t\u1ea1i \u0111\u00e2y<\/a><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">PGS.TS. L\u00ea Kh\u1ea3 T\u01b0\u1eddng, ThS. Nguy\u1ec5n Th\u1ecb B\u00edch Th\u1ee7y, ThS. Nguy\u1ec5n Th\u1ecb H\u00e0 Thu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0\u00a0\u00a0 K\u00ea Ch\u00e2n v\u1ecbt l\u00e0 c\u00e2y l\u01b0\u01a1ng th\u1ef1c c\u00f3 h\u1ea1t c\u00f3 ngu\u1ed3n g\u1ed1c \u1ea4n \u0111\u1ed9 v\u00e0 \u0110\u00f4ng Phi ch\u00e2u. Tr\u00ean<\/p>\n","protected":false},"author":4,"featured_media":841,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[39],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/840"}],"collection":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=840"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/840\/revisions"}],"predecessor-version":[{"id":842,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/840\/revisions\/842"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/841"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}