{"id":4895,"date":"2017-09-20T09:46:49","date_gmt":"2017-09-20T02:46:49","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=4895"},"modified":"2017-09-20T09:46:49","modified_gmt":"2017-09-20T02:46:49","slug":"cay-trong-cong-nghe-sinh-hoc-ngo-bong-va-dau-tuong-o-argentina","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/cay-trong-cong-nghe-sinh-hoc-ngo-bong-va-dau-tuong-o-argentina\/","title":{"rendered":"C\u00e2y tr\u1ed3ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc: Ng\u00f4, B\u00f4ng v\u00e0 \u0110\u1eadu t\u01b0\u01a1ng \u1edf Argentina"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif;\">Ng\u00f4 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc:\u00a0Trong t\u1ed5ng di\u1ec7n t\u00edch ng\u00f4 v\u00e0o n\u0103m 2016 l\u00e0 4,9 tri\u1ec7u ha, \u0111\u00e3 c\u00f3 4,74 tri\u1ec7u ha\u00a0tr\u1ed3ng ng\u00f4 CNSH bao g\u1ed3m 0,43 tri\u1ec7u ha IR, 0,62 tri\u1ec7u ha\u00a0HT, v\u00e0 3.70 tri\u1ec7u ha IR\/HT.\u00a0Nh\u01b0 v\u1eady, s\u1ea3n ph\u1ea9m ng\u00f4 IR\/HT chi\u1ebfm 78%, cao h\u01a1n 8% so v\u1edbi n\u0103m 2015\u00a0ng\u00f4 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc v\u00e0 d\u1ef1 ki\u1ebfn s\u1ebd gi\u1eef v\u1ecb tr\u00ed h\u00e0ng \u0111\u1ea7u trong t\u01b0\u01a1ng lai. S\u1edbm h\u01a1n\u00a0\u01b0\u1edbc t\u00ednh c\u00e2y tr\u1ed3ng ng\u00f4 gi\u1ea3m do thi\u1ebfu \u0111\u1ed9 \u1ea9m \u0111\u1ea5t v\u00e0 gi\u1ea3m\u00a0nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 tr\u1ed3ng t\u1ed1i \u01b0u. Tuy nhi\u00ean v\u1edbi nh\u1eefng c\u01a1n m\u01b0a v\u00e0o cu\u1ed1i n\u0103m,\u00a0n\u00f4ng d\u00e2n \u0111\u00e3 c\u00f3 th\u1ec3 tr\u1ed3ng c\u00e2y b\u1eafp s\u1edbm, n\u0103m 2016 l\u00e0 63% cao h\u01a1n n\u0103m 2015.\u00a0Ng\u00f4 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc\u00a0ch\u1ed1ng c\u00f4n tr\u00f9ng \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u \u1edf Argentina v\u00e0o n\u0103m 1998 v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c thu\u1ed1c di\u1ec7t c\u1ecf\u00a0ng\u00f4 v\u00e0o n\u0103m 2004. C\u00e1c gi\u1ed1ng mang \u0111\u1eb7c t\u00ednh (IR\/HT) b\u1eaft \u0111\u1ea7u n\u0103m 2007 v\u00e0 \u0111\u1ebfn n\u0103m 2016, 78%\u00a0ng\u00f4 CNSH \u0111\u01b0\u1ee3c tr\u1ed3ng v\u1edbi c\u00e1c gi\u1ed1ng IR\/HT.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif;\">B\u00f4ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc:\u00a0B\u00f4ng kh\u00e1ng s\u00e2u b\u1ec7nh CNSH \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf Argentina t\u1eeb n\u0103m 1998 v\u00e0 b\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c thu\u1ed1c di\u1ec7t c\u1ecf t\u1eeb n\u0103m 2002. T\u1ed5ng c\u1ed9ng 400.000 ha \u0111\u01b0\u1ee3c tr\u1ed3ng v\u00e0o n\u0103m 2016, th\u1ea5p h\u01a1n n\u0103m 2015 l\u00e0 0,13 tri\u1ec7u ha (25%).\u00a0B\u00f4ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc l\u00e0 95% (380.000 ha) t\u1ed5ng s\u1ed1 b\u00f4ng tr\u1ed3ng, bao g\u1ed3m 150.000\u00a0ha\/IR v\u00e0 HTX b\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c thu\u1ed1c di\u1ec7t c\u1ecf 23.000 ha. K\u1ec3 t\u1eeb\u00a0N\u0103m 2015, kh\u00f4ng c\u00f3 b\u00f4ng h\u1ed3ng IR \u0111\u01b0\u1ee3c ghi nh\u1eadn trong n\u01b0\u1edbc.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u00e1ng ch\u00fa \u00fd l\u00e0, h\u1ea1t gi\u1ed1ng n\u00f4ng d\u00e2n \u0111\u00e3 l\u01b0u (ph\u1ed5 bi\u1ebfn \u1edf Argentina) c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1\u00a0v\u1edbi b\u00f4ng\u00a0IR\u00a0n\u1ebfu \u0111\u1ed9 tinh khi\u1ebft gi\u1ea3m xu\u1ed1ng \u0111\u1ebfn m\u1ee9c m\u00e0 \u1ea5u tr\u00f9ng c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp tr\u00ean b\u00f4ng kh\u00f4ng mang gen\u00a0IR v\u00e0 khi \u0111\u00f3 b\u1eaft \u0111\u1ea7u m\u1ed9t v\u1ee5 ph\u00e1 ho\u1ea1i\u00a0c\u1ee7a s\u00e2u b\u00f4ng c\u00f3 th\u1ec3 l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd c\u00f4n tr\u00f9ng\u00a0chi\u1ebfn l\u01b0\u1ee3c. M\u1ed9t ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi Trigo v\u00e0 c\u1ed9ng s\u1ef1, n\u0103m 2011 v\u1ec1 vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c c\u00e2y chuy\u1ec3n gen \u1edf Argentina\u00a0cho th\u1ea5y m\u1ed9t ti\u1ebfn tr\u00ecnh ch\u01b0a t\u1eebng c\u00f3 c\u1ee7a vi\u1ec7c k\u1ebft h\u1ee3p c\u00e1c c\u00f4ng ngh\u1ec7 c\u1ea3 \u1edf c\u1ea5p \u0111\u1ed9 qu\u1ed1c t\u1ebf v\u00e0 \u0111\u1ecba ph\u01b0\u01a1ng. Nh\u01b0 v\u1eady, khi so s\u00e1nh v\u1edbi ng\u00f4 lai ho\u1eb7c l\u00faa m\u00ec v\u1edbi ngu\u1ed3n gen Mexico, ph\u1ea3i m\u1ea5t 27 v\u00e0 12 n\u0103m, t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 v\u01b0\u1ee3t qua 80% di\u1ec7n t\u00edch tr\u1ed3ng, trong khi c\u00e1c gi\u1ed1ng CNSH \u0111\u1ea1t \u0111\u1ebfn m\u1ee9c ch\u01b0a \u0111\u1ea7y m\u1ed9t th\u1eadp k\u1ef7 (Trigo, 2011).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1eadu t\u01b0\u01a1ng\u00a0c\u00f4ng ngh\u1ec7 sinh h\u1ecdc:\u00a0N\u0103m 2016, Achentina \u0111\u00e3 tr\u1ed3ng 18,7 tri\u1ec7u ha \u0111\u1eadu t\u01b0\u01a1ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc, 78% trong s\u1ed1 2400 tri\u1ec7u ha c\u00e2y tr\u1ed3ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc tr\u1ed3ng trong n\u01b0\u1edbc. N\u0103m 2000, \u0111\u1eadu t\u01b0\u01a1ng\u00a0c\u00f4ng ngh\u1ec7 sinh h\u1ecdc \u0111\u00e3 gi\u1ea3m 2,4 tri\u1ec7u ha (11%) so v\u1edbi \u0111\u1eadu t\u01b0\u01a1ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc t\u1eeb 21,1 tri\u1ec7u ha. \u0110\u1eadu t\u01b0\u01a1ng CNSH bao g\u1ed3m 16,18 tri\u1ec7u ha HT v\u00e0 2,52 tri\u1ec7u ha \u0111\u1eadu t\u01b0\u01a1ng IR\/HT. Theo USDA FAS (2016), di\u1ec7n t\u00edch \u0111\u1eadu t\u01b0\u01a1ng gi\u1ea3m\u00a0s\u1ea3n xu\u1ea5t l\u00e0 do c\u1ea1nh tranh l\u1edbn h\u01a1n t\u1eeb c\u00e2y tr\u1ed3ng thay th\u1ebf nh\u01b0 ng\u00f4 v\u00e0 h\u01b0\u1edbng d\u01b0\u01a1ng,\u00a0c\u0169ng nh\u01b0 tr\u1ed3ng l\u00faa m\u00ec th\u1ea5p h\u01a1n k\u1ef3 v\u1ecdng.\u00a0S\u1ef1 ki\u1ec7n \u0111\u1eadu n\u00e0nh CNSH DP305423 x GTS 40-3-2 v\u1edbi axit oleic cao \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0o n\u0103m 2015. C\u00e2y tr\u1ed3ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc duy nh\u1ea5t \u1edf Argentina cho \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m n\u00e0y nh\u1eb1m v\u00e0o ng\u01b0\u1eddi ti\u00eau d\u00f9ng c\u00f3 \u00fd th\u1ee9c v\u1ec1 s\u1ee9c kho\u1ebb.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"font-family: 'times new roman', times, serif;\"><em>Ngu\u1ed3n: isaaa.org<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00f4 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc:\u00a0Trong t\u1ed5ng di\u1ec7n t\u00edch ng\u00f4 v\u00e0o n\u0103m 2016 l\u00e0 4,9 tri\u1ec7u ha, \u0111\u00e3 c\u00f3 4,74 tri\u1ec7u ha\u00a0tr\u1ed3ng ng\u00f4 CNSH bao g\u1ed3m 0,43 tri\u1ec7u ha IR, 0,62 tri\u1ec7u ha\u00a0HT, v\u00e0 3.70 tri\u1ec7u ha IR\/HT.\u00a0Nh\u01b0 v\u1eady, s\u1ea3n ph\u1ea9m ng\u00f4 IR\/HT chi\u1ebfm 78%, cao h\u01a1n 8% so v\u1edbi n\u0103m 2015\u00a0ng\u00f4 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc [&#8230;]\n","protected":false},"author":1,"featured_media":6512,"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\/4895"}],"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=4895"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/4895\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6512"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=4895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=4895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=4895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}