{"id":6665,"date":"2014-09-24T09:48:51","date_gmt":"2014-09-24T02:48:51","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1627"},"modified":"2014-09-24T09:48:51","modified_gmt":"2014-09-24T02:48:51","slug":"nghien-cuu-ve-dac-tinh-khang-thuoc-cua-co-dai","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nghien-cuu-ve-dac-tinh-khang-thuoc-cua-co-dai\/","title":{"rendered":"Nghi\u00ean c\u1ee9u v\u1ec1 \u0111\u1eb7c t\u00ednh kh\u00e1ng thu\u1ed1c c\u1ee7a c\u1ecf d\u1ea1i"},"content":{"rendered":"<div class=\"TomTat clearfix\">\n<p><span id=\"ArticalDetail1_lblTeaser\" class=\"OverollContentDesc\">L\u1ea7n \u0111\u1ea7u\u00a0ti\u00ean, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u00d4x-tr\u00e2y-lia thu\u1ed9c tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Western Australia \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh kh\u00e1ng thu\u1ed1c di\u1ec7t c\u1ecf glyphosate c\u1ee7a gi\u1ed1ng c\u1ecf hoang d\u00e3 Raphanus raphanistrum L<\/span><\/p>\n<\/div>\n<div class=\"NoiDungBai\">\n<p>\u0110\u1eb7c t\u00ednh kh\u00e1ng n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn th\u00f4ng qua c\u00e1c cu\u1ed9c th\u1eed nghi\u1ec7m tr\u00ean c\u00e1c c\u00e2y c\u1ecf d\u1ea1i tr\u1ed3ng t\u1eeb h\u1ea1t gi\u1ed1ng thu \u0111\u01b0\u1ee3c g\u1ea7n Mingenew v\u00e0 Carnamah, n\u01a1i gi\u1ed1ng c\u1ecf hoang d\u00e3 kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c sau khi s\u1eed d\u1ee5ng thu\u1ed1c di\u1ec7t c\u1ecf glyphosate nhi\u1ec1u l\u1ea7n. V\u1edbi c\u00f9ng 1 l\u01b0\u1ee3ng thu\u1ed1c di\u1ec7t c\u1ecf theo \u0111\u00fang h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng tr\u00ean bao b\u00ec, c\u1ecf d\u1ea1i t\u1ea1i khu v\u1ef1c Mingenew c\u00f3 t\u1ef7 l\u1ec7 s\u1ed1ng s\u00f3t l\u00e0 63%, trong khi c\u1ecf d\u1ea1i t\u1ea1i khu v\u1ef1c Carnamah c\u00f3 t\u1ef7 l\u1ec7 s\u1ed1ng s\u00f3t t\u1edbi 86%.<\/p>\n<div class=\"ExternalClassB44184E983B541F0BF04470F2A6E4DA2\">\n<div>C\u00e1c cu\u1ed9c th\u1eed nghi\u1ec7m cho th\u1ea5y \u0111\u1eb7c t\u00ednh kh\u00e1ng glyphosate \u0111\u01b0\u1ee3c di truy\u1ec1n t\u1eeb th\u1ebf h\u1ec7 n\u00e0y sang th\u1ebf h\u1ec7 kh\u00e1c do c\u00e1c l\u1edbp c\u1ecf sau c\u1ea7n l\u01b0\u1ee3ng thu\u1ed1c tr\u1eeb c\u1ecf glyphosate nhi\u1ec1u h\u01a1n t\u1eeb 3,5 \u2013 4,5 l\u1ea7n. Gi\u1ed1ng c\u1ecf hoang d\u00e3 Raphanus raphanistrum L g\u00e2y thi\u1ec7t h\u1ea1i n\u1eb7ng n\u1ec1 nh\u1ea5t v\u1ec1 m\u1eb7t kinh t\u1ebf cho ng\u00e0nh tr\u1ed3ng tr\u1ecdt ng\u0169 c\u1ed1c t\u1ea1i \u00d4x-tr\u00e2y-lia v\u00e0 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong danh s\u00e1ch 180 lo\u00e0i c\u1ecf d\u1ea1i g\u00e2y h\u1ea1i nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi.<\/div>\n<div>Vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u1eb7c t\u00ednh kh\u00e1ng thu\u1ed1c di\u1ec7t c\u1ecf glyphosate cho th\u1ea5y c\u00e1c m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 t\u1eeb s\u1ee9c \u0111\u1ec1 kh\u00e1ng thu\u1ed1c di\u1ec7t c\u1ecf glyphosate v\u00e0 s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a c\u1ecf d\u1ea1i \u0111\u1ed1i v\u1edbi t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a h\u1ec7 th\u1ed1ng canh t\u00e1c hi\u1ec7n \u0111\u1ea1i. Nghi\u00ean c\u1ee9u nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ecf d\u1ea1i m\u1ed9t c\u00e1ch \u0111a d\u1ea1ng v\u1edbi nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau, bao g\u1ed3m c\u1ea3 k\u1ef9 thu\u1eadt kh\u00f4ng s\u1eed d\u1ee5ng thu\u1ed1c di\u1ec7t c\u1ecf.<\/div>\n<div>M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 l\u00e0m cho gi\u1ed1ng c\u1ecf d\u1ea1i n\u00f3i tr\u00ean tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 \u0111\u1ed1i v\u1edbi n\u00f4ng d\u00e2n \u00d4x-tr\u00e2y-lia, \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng n\u1ea3y m\u1ea7m trong t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 chu k\u1ef3 s\u1ed1ng linh ho\u1ea1t c\u1ee7a n\u00f3. Lo\u00e0i c\u1ecf d\u1ea1i n\u00e0y c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n sinh nhi\u1ec1u h\u1ea1t gi\u1ed1ng.<\/div>\n<div>Nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y ch\u1ee9ng minh r\u1eb1ng bi\u1ec7n ph\u00e1p ch\u1eb7n gom h\u1ea1t gi\u1ed1ng c\u1ecf khi thu ho\u1ea1ch c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t t\u00e1c \u0111\u1ed9ng l\u1edbn \u0111\u1ebfn qu\u1ea7n th\u1ec3 c\u1ecf d\u1ea1i. Vi\u1ec7c gom h\u1ea1t gi\u1ed1ng c\u1ecf khi thu ho\u1ea1ch m\u00f9a m\u00e0ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m 60 \u2013 80% l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng c\u1ecf m\u1ed7i n\u0103m. L\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng c\u1ecf m\u1ed7i n\u0103m r\u1ea5t l\u1edbn, t\u1edbi h\u01a1n 1.000 h\u1ea1t gi\u1ed1ng\/m2, vi\u1ec7c \u00e1p d\u1ee5ng bi\u1ec7n ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 l\u00e0m l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng gi\u1ea3m xu\u1ed1ng c\u00f2n ch\u01b0a \u0111\u1ea7y 100 h\u1ea1t gi\u1ed1ng\/m2.<\/div>\n<div>Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt n\u00e0y k\u1ebft h\u1ee3p v\u1edbi c\u00e1c chi\u1ebfn thu\u1eadt \u0111a d\u1ea1ng kh\u00e1c nh\u01b0 lu\u00e2n chuy\u1ec3n thu\u1ed1c di\u1ec7t c\u1ecf v\u00e0 tr\u1ed3ng c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng c\u00f3 t\u00ednh c\u1ea1nh tranh cao s\u1ebd gi\u00fap l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng c\u1ecf d\u1ea1i, gi\u00fap vi\u1ec7c ki\u1ec3m so\u00e1t c\u1ecf d\u1ea1i hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 gi\u1ea3m nguy c\u01a1 ph\u00e1t tri\u1ec3n \u0111\u1eb7c t\u00ednh kh\u00e1ng thu\u1ed1c di\u1ec7t c\u1ecf. Cho \u0111\u1ebfn nay, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 25 lo\u00e0i c\u1ecf d\u1ea1i kh\u00e1ng thu\u1ed1c di\u1ec7t c\u1ecf glyphosate tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ea7n \u0111\u1ea7u\u00a0ti\u00ean, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u00d4x-tr\u00e2y-lia thu\u1ed9c tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Western Australia \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh kh\u00e1ng thu\u1ed1c di\u1ec7t c\u1ecf glyphosate c\u1ee7a gi\u1ed1ng c\u1ecf hoang d\u00e3 Raphanus raphanistrum L \u0110\u1eb7c t\u00ednh kh\u00e1ng n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn th\u00f4ng qua c\u00e1c cu\u1ed9c th\u1eed nghi\u1ec7m tr\u00ean c\u00e1c c\u00e2y c\u1ecf d\u1ea1i tr\u1ed3ng t\u1eeb h\u1ea1t gi\u1ed1ng [&#8230;]\n","protected":false},"author":1,"featured_media":6349,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6665"}],"collection":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/comments?post=6665"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6665\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6349"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}