{"id":6645,"date":"2014-02-13T01:39:56","date_gmt":"2014-02-12T18:39:56","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1873"},"modified":"2014-02-13T01:39:56","modified_gmt":"2014-02-12T18:39:56","slug":"sau-hai-ngo-giam-co-the-giup-nguoi-nong-dan-tiet-kiem-duoc-tien-bac","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/sau-hai-ngo-giam-co-the-giup-nguoi-nong-dan-tiet-kiem-duoc-tien-bac\/","title":{"rendered":"S\u00e2u h\u1ea1i ng\u00f4 gi\u1ea3m c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi n\u00f4ng d\u00e2n ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c ti\u1ec1n b\u1ea1c"},"content":{"rendered":"
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Theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i bang Penn, M\u1ef9, s\u00e2u \u0111\u1ee5c th\u00e2n c\u00e2y ng\u00f4 ECB, m\u1ed9t lo\u00e0i s\u00e2u h\u1ea1i ng\u00f4 nghi\u00eam tr\u1ecdng, \u0111\u00e3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u1edf mi\u1ec1n \u0111\u00f4ng n\u01b0\u1edbc M\u1ef9. S\u1ef1 suy gi\u1ea3m n\u00e0y cho th\u1ea5y r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng ng\u00f4 lai bi\u1ebfn \u0111\u1ed5i gen kh\u00e1ng s\u00e2u ECB – m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ed1n k\u00e9m, nh\u01b0ng hi\u1ec7u qu\u1ea3 \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi n\u00f4ng d\u00e2n ch\u1ea5p nh\u1eadn tr\u00ean \u0111\u1ed3ng ru\u1ed9ng – c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n thi\u1ebft \u1edf m\u1ed9t s\u1ed1 khu v\u1ef1c.<\/span>\u0110\u0103ng ng\u00e0y 13-02-2014<\/span> trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi<\/a><\/p>\n<\/div>\n

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S\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB \u0111\u00e3 du nh\u1eadp t\u1eeb ch\u00e2u \u00c2u v\u00e0o B\u1eafc M\u1ef9 trong nh\u1eefng n\u0103m 1900, ch\u00fang t\u1eebng l\u00e0 lo\u00e0i d\u1ecbch h\u1ea1i nghi\u00eam tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e2y ng\u00f4 \u1edf M\u1ef9, John Tooker – tr\u1ee3 l\u00fd gi\u00e1o s\u01b0 ng\u00e0nh c\u00f4n tr\u00f9ng h\u1ecdc cho bi\u1ebft. C\u00e1ch \u0111\u00e2y kh\u00f4ng l\u00e2u, h\u00e0ng n\u0103m, n\u00f3 \u0111\u00e3 g\u00e2y thi\u1ec7t h\u1ea1i cho c\u00e2y tr\u1ed3ng g\u1ea7n 1 t\u1ec9 USD tr\u00ean to\u00e0n n\u01b0\u1edbc M\u1ef9, v\u00e0 35 tri\u1ec7u USD trong v\u00f9ng \u0111\u00f4ng b\u1eafc n\u01b0\u1edbc M\u1ef9.<\/p>\n

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Theo Tooker, \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e2y tr\u1ed3ng kh\u1ecfi s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB, nhi\u1ec1u n\u00f4ng d\u00e2n \u0111\u00e3 tr\u1ed3ng m\u1ed9t gi\u1ed1ng ng\u00f4 bi\u1ebfn \u0111\u1ed5i gien c\u00f3 c\u00e1c \u0111\u1ed9c t\u1ed1 di\u1ec7t c\u00f4n tr\u00f9ng c\u00f3 t\u00e1c d\u1ee5ng di\u1ec7t s\u00e2u. Nh\u1eefng \u0111\u1ed9c t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n l\u1eadp t\u1eeb vi khu\u1ea9n Bacillus thuringiensis (Bt).<\/div>\n
D\u00f2ng lai c\u1ee7a ng\u00f4 Bt \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn r\u1ed9ng r\u00e3i b\u1edfi v\u00ec ch\u00fang r\u1ea5t \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi qu\u1ea3n l\u00fd s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB – 99,9% \u1ea5u tr\u00f9ng c\u1ee7a ch\u00fang s\u1ebd ch\u1ebft khi ch\u00fang \u0103n nh\u1eefng c\u00e2y ti\u1ebft ra \u0111\u1ed9c t\u1ed1 Bt. Tuy nhi\u00ean, m\u1ed9t nh\u01b0\u1ee3c \u0111i\u1ec3m trong s\u1eed d\u1ee5ng c\u00e1c gi\u1ed1ng lai l\u00e0 chi ph\u00ed mua h\u1ea1t gi\u1ed1ng cao, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u1ee3i nhu\u1eadn ti\u1ec1m n\u0103ng.<\/div>\n
\u0110\u1ec3 hi\u1ec3u r\u00f5 c\u00e1c qu\u1ea7n th\u1ec3 s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB t\u1ea1i nh\u1eefng c\u00e1nh \u0111\u1ed3ng ng\u00f4 \u1edf Pennsylvania, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u00e1nh gi\u00e1 thi\u1ec7t h\u1ea1i c\u1ee7a nh\u1eefng d\u00f2ng ng\u00f4 lai Bt v\u00e0 d\u00f2ng lai kh\u00f4ng Bt t\u1ea1i 29 khu v\u1ef1c trong ba n\u0103m. C\u1ee5 th\u1ec3 l\u00e0, h\u1ecd tr\u1ed3ng c\u00e1c d\u00f2ng ng\u00f4 lai Bt v\u00e0 d\u00f2ng kh\u00f4ng Bt t\u1ea1i c\u00e1c v\u1ecb tr\u00ed trong trang tr\u1ea1i d\u1ecdc b\u1ed1n v\u00f9ng tr\u1ed3ng \u1edf Pennsylvania n\u0103m 2010, 2011 v\u00e0 2012. Trong th\u00e1ng 9, h\u1ecd \u0111\u00e3 \u0111\u00e1nh gi\u00e1 thi\u1ec7t h\u1ea1i do s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 g\u00e2y ra cho 400 c\u00e2y ng\u1eabu nhi\u00ean t\u1ea1i m\u1ed7i \u0111\u1ecba \u0111i\u1ec3m. H\u1ecd c\u1eaft th\u00e2n c\u00e2y, v\u00e0 ghi l\u1ea1i s\u1ed1 r\u00e3nh m\u00e0 s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB t\u1ea1o ra v\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u1ea5u tr\u00f9ng tr\u00ean t\u1eebng th\u00e2n c\u00e2y. H\u1ecd c\u0169ng \u0111\u00e1nh gi\u00e1 thi\u1ec7t h\u1ea1i do s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB g\u00e2y h\u1ea1i cho c\u00e1c tai ng\u00f4.<\/div>\n
K\u1ebft qu\u1ea3 c\u1ee7a nh\u00f3m nghi\u00ean c\u1ee9u x\u00e1c nh\u1eadn r\u1eb1ng qu\u1ea7n th\u1ec3 s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB \u0111\u00e3 s\u1ee5t gi\u1ea3m tr\u00ean di\u1ec7n r\u1ed9ng \u1edf ph\u00eda \u0110\u00f4ng, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 s\u1ef1 s\u1ee5t gi\u1ea3m \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadn th\u1ea5y \u1edf Trung T\u00e2y n\u01b0\u1edbc M\u1ef9, Eric Bohnenblust – sinh vi\u00ean t\u1ed1t nghi\u1ec7p ng\u00e0nh c\u00f4n tr\u00f9ng h\u1ecdc cho bi\u1ebft. V\u1edbi vi\u1ec7c gi\u1ea3m thi\u1ec7t h\u1ea1i do s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB g\u00e2y ra, c\u00e1c gi\u1ed1ng ng\u00f4 lai kh\u00f4ng Bt trong c\u00e1c th\u1eed nghi\u1ec7m c\u1ee7a nh\u00f3m nghi\u00ean c\u1ee9u c\u0169ng mang l\u1ea1i k\u1ebft qu\u1ea3 gi\u1ed1ng nh\u01b0 gi\u1ed1ng ng\u00f4 lai Bt, v\u00ec v\u1eady s\u1ef1 suy gi\u1ea3m trong c\u00e1c qu\u1ea7n th\u1ec3 s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB mang l\u1ea1i m\u1ed9t c\u01a1 h\u1ed9i cho nh\u1eefng ng\u01b0\u1eddi tr\u1ed3ng t\u1ea1o ra l\u1ee3i nhu\u1eadn l\u1edbn h\u01a1n b\u1eb1ng c\u00e1ch tr\u1ed3ng gi\u1ed1ng ng\u00f4 lai kh\u00f4ng Bt cho n\u0103ng su\u1ea5t cao, c\u00f3 gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n nhi\u1ec1u so v\u1edbi h\u1ea1t gi\u1ed1ng lai Bt. K\u1ebf \u0111\u1ebfn, tr\u1ed3ng th\u00eam nhi\u1ec1u ng\u00f4 lai kh\u00f4ng Bt s\u1ebd l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng kh\u00e1ng \u0111\u1ed9c t\u1ed1 Bt nh\u01b0 s\u00e2u \u0111\u1ee5c r\u1ec5 \u0111\u00e3 l\u00e0m \u0111\u01b0\u1ee3c \u1edf kho\u1ea3ng m\u1ed9t ch\u1ee5c ti\u1ec3u bang cho \u0111\u1ebfn nay.<\/div>\n
K\u1ebft qu\u1ea3 c\u1ee7a nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i tr\u00ean t\u1ea1p ch\u00ed Pest Management Science s\u1ed1 ra th\u00e1ng 12.<\/div>\n
B\u00ean c\u1ea1nh vi\u1ec7c nghi\u00ean c\u1ee9u m\u1ee9c \u0111\u1ed9 qu\u1ea7n th\u1ec3 s\u00e2u \u0111\u1ee5c th\u00e2n ng\u00f4 ECB v\u00e0 thi\u1ec7t h\u1ea1i \u1edf Pennsylvania, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng \u0111\u00e3 ki\u1ec3m tra kh\u1ea3 n\u0103ng d\u1ef1 b\u00e1o c\u1ee7a m\u1ea1ng l\u01b0\u1edbi quan s\u00e1t s\u00e2u b\u1ec7nh PestWatch, m\u00e0 c\u00e1c b\u1eaby s\u00e2u \u0111\u1ee5c th\u00e2n ECB v\u00e0 c\u00e1c lo\u00e0i s\u00e2u b\u01b0\u1edbm kh\u00e1c \u0111\u1ed3ng th\u1eddi cung c\u1ea5p d\u1eef li\u1ec7u v\u1ec1 t\u1ef7 l\u1ec7 c\u1ee7a ch\u00fang.<\/div>\n
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Theo Sciencedaily.<\/em><\/strong><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i bang Penn, M\u1ef9, s\u00e2u \u0111\u1ee5c th\u00e2n c\u00e2y ng\u00f4 ECB, m\u1ed9t lo\u00e0i s\u00e2u h\u1ea1i ng\u00f4 nghi\u00eam tr\u1ecdng, \u0111\u00e3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u1edf mi\u1ec1n \u0111\u00f4ng n\u01b0\u1edbc M\u1ef9. S\u1ef1 suy gi\u1ea3m n\u00e0y cho th\u1ea5y r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng ng\u00f4 lai bi\u1ebfn \u0111\u1ed5i gen kh\u00e1ng s\u00e2u ECB – m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ed1n k\u00e9m, […]\n","protected":false},"author":1,"featured_media":6395,"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\/6645"}],"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=6645"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6645\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6395"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}