{"id":6796,"date":"2017-11-25T10:30:39","date_gmt":"2017-11-25T03:30:39","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=4864"},"modified":"2017-11-25T10:30:39","modified_gmt":"2017-11-25T03:30:39","slug":"cay-trong-cong-nghe-sinh-hoc-bong-du-du-khang-virut-bach-duong-khang-con-trung-o-trung-quoc","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/cay-trong-cong-nghe-sinh-hoc-bong-du-du-khang-virut-bach-duong-khang-con-trung-o-trung-quoc\/","title":{"rendered":"C\u00e2y tr\u1ed3ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc: B\u00f4ng, \u0110u \u0111\u1ee7 kh\u00e1ng virut, B\u1ea1ch d\u01b0\u01a1ng kh\u00e1ng c\u00f4n tr\u00f9ng \u1edf Trung qu\u1ed1c"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif;\">B\u00f4ng IR (Bt): Di\u1ec7n t\u00edch tr\u1ed3ng b\u00f4ng \u1edf Trung Qu\u1ed1c v\u00e0o n\u0103m 2016 l\u00e0 2,92 tri\u1ec7u ha so v\u1edbi 3,8 tri\u1ec7u ha v\u00e0o n\u0103m 2015. Ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 n\u01b0\u1edbc tr\u1ed3ng b\u00f4ng kh\u00e1c bao g\u1ed3m M\u1ef9, vi\u1ec7c gi\u1ea3m di\u1ec7n t\u00edch b\u00f4ng qu\u1ed1c gia \u1edf Trung Qu\u1ed1c l\u00e0 do gi\u00e1 b\u00f4ng th\u1ea5p v\u00e0 tr\u1eef l\u01b0\u1ee3ng d\u1ef1 tr\u1eef cao t\u1eeb n\u0103m 2015. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m t\u1ed5ng di\u1ec7n t\u00edch tr\u1ed3ng b\u00f4ng, nh\u01b0 c\u0169ng nh\u01b0 l\u0129nh v\u1ef1c b\u00f4ng CNSH. T\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng b\u00f4ng CNSH c\u0169ng gi\u1ea3m t\u1eeb 96% n\u0103m 2015 \u0111\u1ebfn 95% v\u00e0o n\u0103m 2016. <\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif;\">Sau khi b\u00f4ng IR \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o th\u1ecb tr\u01b0\u1eddng n\u0103m 1996, b\u00f4ng IR ngo\u1ea1i t\u0103ng h\u01a1n 12 l\u1ea7n so v\u1edbi 0,26 tri\u1ec7u ha n\u0103m 1998 l\u00ean 3,8 tri\u1ec7u ha 2015. Vi\u1ec7c s\u1eed d\u1ee5ng b\u00f4ng IR t\u1ea1i Trung Qu\u1ed1c \u0111\u01b0\u1ee3c ghi nh\u1eadn th\u00eam t\u1eeb 68% trong n\u0103m 2008 v\u00e0 2009, 69% (2010), 71,5% (2011), 80% (2012), 90% (2013), 93% (2014), 96% (2015) v\u00e0 95% (2016).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110u \u0111\u1ee7 kh\u00e1ng virut: C\u00e2y \u0111u \u0111\u1ee7 kh\u00e1ng (<em>Papaya ringspot virus)\u00a0<\/em>PRSV \u0111\u01b0\u1ee3c tr\u1ed3ng tr\u00ean 8.550 ha v\u00e0o n\u0103m 2016 so v\u1edbi 7.000 ha trong 2015, t\u0103ng 22% (Personal Communication, Prof. Li, South China Agricultural University). S\u1ef1 gia t\u0103ng n\u00e0y \u0111\u01b0\u1ee3c \u0111\u01b0a ra sau khi gi\u1ea3m nh\u1eb9 vi\u1ec7c tr\u1ed3ng v\u00e0o n\u0103m 2015 do l\u01b0\u1ee3ng cung qu\u00e1 m\u1ee9c. Qu\u1ea3 \u0111u \u0111\u1ee7 kh\u00e1ng virus \u0111\u01b0\u1ee3c tr\u1ed3ng ch\u1ee7 y\u1ebfu \u1edf Qu\u1ea3ng \u0110\u00f4ng v\u00e0 m\u1ed9t s\u1ed1 khu v\u1ef1c nh\u1ecf h\u01a1n \u0110\u1ea3o H\u1ea3i Nam, n\u01a1i b\u1eaft \u0111\u1ea7u tr\u1ed3ng v\u00e0o n\u0103m 2012.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif;\">C\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi \u0110\u1ea1i h\u1ecdc N\u00f4ng nghi\u1ec7p Nam Trung Qu\u1ed1c nh\u00e2n b\u1ea3n c\u1ee7a gen virus \u0111\u00e3 l\u00e0m t\u00ednh kh\u00e1ng cao \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c ch\u1ee7ng \u0111\u1ecba ph\u01b0\u01a1ng c\u1ee7a PRSV. Th\u00e1ng 9 n\u0103m 2006, \u1ee6y ban an to\u00e0n sinh h\u1ecdc qu\u1ed1c gia Trung Qu\u1ed1c \u0111\u1ec1 ngh\u1ecb ph\u00ea duy\u1ec7t v\u00e0 th\u01b0\u01a1ng m\u1ea1i ho\u00e1 trong n\u01b0\u1edbc m\u1ed9t s\u1ef1 ph\u00e1t tri\u1ec3n \u0111\u00e1ng k\u1ec3 cho m\u1ed9t lo\u1ea1i c\u00e2y \u0103n qu\u1ea3\/th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c ti\u00eau th\u1ee5 r\u1ed9ng r\u00e3i trong n\u01b0\u1edbc.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif;\">C\u00e2y B\u1ea1ch d\u01b0\u01a1ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc kh\u00e1ng c\u00f4n tr\u00f9ng: IR (Bt) \u0111\u01b0\u1ee3c tr\u1ed3ng t\u1eeb n\u0103m 2003, theo th\u00f4ng tin m\u1edbi nh\u1ea5t hi\u1ec7n c\u00f3. T\u1eeb n\u0103m 2013 \u0111\u1ebfn n\u0103m 2016, t\u1ed5ng c\u1ed9ng 543 ha tr\u1ed3ng \u1edf Trung Qu\u1ed1c. \u0110i\u1ec1u n\u00e0y gi\u00fap cung c\u1ea5p kho\u1ea3ng 330-340 tri\u1ec7u m\u00e9t kh\u1ed1i g\u1ed7 m\u00e0 Trung Qu\u1ed1c c\u1ea7n h\u00e0ng n\u0103m. C\u00e1c c\u00e2y d\u01b0\u01a1ng GM \/ c\u00f4ng ngh\u1ec7 sinh h\u1ecdc \u0111\u00e3 \u0111\u01b0\u1ee3c Vi\u1ec7n nghi\u00ean c\u1ee9u L\u00e2m nghi\u1ec7p B\u1eafc Kinh, m\u1ed9t b\u1ed9 ph\u1eadn c\u1ee7a H\u1ecdc vi\u1ec7n l\u00e2m nghi\u1ec7p Trung Qu\u1ed1c ph\u00e1t tri\u1ec3n.\u00a0<\/span><span style=\"font-family: 'times new roman', times, serif;\">C\u00e1c \u0111\u1ed3i tr\u1ed3ng c\u00e2y B\u1ea1ch d\u01b0\u01a1ng chuy\u1ec3n gen \u0111\u00e3 \u1ee9c ch\u1ebf m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean s\u1ef1 lan r\u1ed9ng nhanh ch\u00f3ng c\u1ee7a c\u00f4n tr\u00f9ng m\u1ee5c ti\u00eau v\u00e0 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ed1 l\u01b0\u1ee3ng thu\u1ed1c tr\u1eeb s\u00e2u. \u0110\u1eb7c t\u00ednh c\u1ee7a \u01b0\u01a1m tr\u1ed3ng c\u00e2y B\u1ea1ch d\u01b0\u01a1ng \u0111en IR r\u00f5 r\u1ec7t h\u01a1n so v\u1edbi c\u00e1c d\u00f2ng v\u00f4 t\u00ednh \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng. \u01af\u01a1m tr\u1ed3ng c\u00e2y B\u1ea1ch d\u01b0\u01a1ng IR th\u01b0\u01a1ng m\u1ea1i c\u00f3 th\u1ec3 th\u1ef1c nghi\u1ec7m \u0111\u00e1nh gi\u00e1 tr\u00f4i gen th\u00f4ng qua h\u1ea1t ph\u1ea5n hoa v\u00e0 h\u1ea1t gi\u1ed1ng v\u00e0 c\u0169ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e2y B\u1ea1ch d\u01b0\u01a1ng IR \u0111\u1ed1i v\u1edbi c\u00f4n tr\u00f9ng khi tr\u1ed3ng xen v\u1edbi b\u00f4ng IR.<\/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>B\u00f4ng IR (Bt): Di\u1ec7n t\u00edch tr\u1ed3ng b\u00f4ng \u1edf Trung Qu\u1ed1c v\u00e0o n\u0103m 2016 l\u00e0 2,92 tri\u1ec7u ha so v\u1edbi 3,8 tri\u1ec7u ha v\u00e0o n\u0103m 2015. Ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 n\u01b0\u1edbc tr\u1ed3ng b\u00f4ng kh\u00e1c bao g\u1ed3m M\u1ef9, vi\u1ec7c gi\u1ea3m di\u1ec7n t\u00edch b\u00f4ng qu\u1ed1c gia \u1edf Trung Qu\u1ed1c l\u00e0 do gi\u00e1 b\u00f4ng th\u1ea5p v\u00e0 tr\u1eef l\u01b0\u1ee3ng [&#8230;]\n","protected":false},"author":1,"featured_media":6525,"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\/6796"}],"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=6796"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6796\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6525"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}