Tin th\u1ebf gi\u1edbi<\/a><\/p>\nB\u1ea3nch\u1ea5t c\u00e2y l\u00faa l\u00e0 lo\u00e0i c\u00e2y tr\u1ed3ng m\u1eabn c\u1ea3m v\u1edbi kh\u00f4 h\u1ea1n, v\u00ec h\u1ec7 th\u1ed1ng r\u1ec5 c\u1ee7a n\u00f3 ng\u1eafn,ph\u00e1t tri\u1ec3n kh\u00f4ng s\u00e2u, nh\u01b0ng theo nghi\u00ean c\u1ee9u m\u1edbi n\u00e0y, s\u1ef1 ph\u00e1t tri\u1ec3n c\u00f3 xu h\u01b0\u1edbng\u0111\u00e2m s\u00e2u v\u00e0o l\u00f2ng \u0111\u1ea5t, v\u1edbi ch\u1ee9c n\u0103ng gen\u00a0DR01,\u00a0th\u1ec3 hi\u1ec7n r\u1ec5 m\u1ecdc s\u00e2u h\u01a1ng\u1ea5p \u0111\u00f4i so v\u1edbi c\u00e1c gi\u1ed1ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n
Ng\u01b0\u1eddi\u0111\u1ee9ng \u0111\u1ea7u nghi\u00ean c\u1ee9u n\u00e0y l\u00e0 TS. Yusaku Uga, thu\u1ed9c Vi\u1ec7n Khoa h\u1ecdc N\u00f4ng nghi\u1ec7p sinhh\u1ecdc Qu\u1ed1c gia Nh\u1eadt B\u1ea3n – NIAS, \u00f4ng cho r\u1eb1ng “N\u1ebfu r\u1ec5 l\u00faa th\u00edch \u1ee9ng v\u1edbi ho\u1eb7ctr\u00e1nh n\u00e9 \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00f4 h\u1ea1n nh\u1edd h\u1ec7 th\u1ed1ng r\u1ec5 s\u00e2u h\u01a1n, n\u00f3 s\u1ebd c\u00f3 th\u1ec3 h\u00fatn\u01b0\u1edbc v\u00e0 dinh d\u01b0\u1ee1ng t\u1ed1t h\u01a1n t\u1eeb t\u1ea7ng \u0111\u1ea5t canh t\u00e1c \u1edf d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t.”<\/p>\n
H\u1ecdcho lai gi\u1eefa IR64, gi\u1ed1ng l\u00faa n\u0103ng su\u1ea5t cao, h\u1ec7 th\u1ed1ng r\u1ec5 ng\u1eafn, kh\u00f4ng ch\u1ecbu h\u1ea1n; v\u1edbil\u00faa c\u1ea1n b\u1ea3n \u0111\u1ecba c\u1ee7a Philippines, c\u00f3 h\u1ec7 th\u1ed1ng r\u1ec5 m\u1ecdc s\u00e2u, \u0111\u00f3 l\u00e0 gi\u1ed1ng KinandangPatong. M\u1eb7c d\u00f9 gi\u1ed1ng IR64 c\u0169ng c\u00f3 gen\u00a0DR01, n\u00f3 v\u1eabn kh\u00f4ng th\u1ec3 s\u1ea3n sinh \u0111\u1ee7l\u01b0\u1ee3ng protein c\u1ea7n thi\u1ebft cho ph\u00e9p gen n\u00e0y th\u1ec3 hi\u1ec7n h\u1ebft ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3. C\u00e1c nh\u00e0khoa h\u1ecdc \u1ea5y \u0111\u00e3 k\u1ebft h\u1ee3p gi\u1eefa t\u00ednh tr\u1ea1ng cao s\u1ea3n c\u1ee7a IR64 v\u1edbi gi\u1ed1ng l\u00faa c\u00f3 s\u1ef1 th\u1ec3hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9c n\u0103ng gen\u00a0DR01\u00a0trong gi\u1ed1ng\u00a0Kinandang Patong<\/em>.<\/p>\nK\u1ebftqu\u1ea3 d\u00f2ng con lai c\u00f3 h\u1ec7 th\u1ed1ng r\u1ec5 cho ph\u00e9p c\u00e2y l\u00faa m\u1ecdc s\u00e2u g\u1ea5p \u0111\u00f4i so v\u1edbi IR64.Khi b\u1ecb k\u00edch th\u00edch b\u1edfi \u0111i\u1ec1u ki\u1ec7n kh\u00f4 h\u1ea1n \u1edf m\u1ee9c \u0111\u1ed9 trung b\u00ecnh, IR64 \u0111\u1ea1t n\u0103ng su\u1ea5tth\u1ea5p h\u01a1n 60% so v\u1edbi \u0111\u1ed1i ch\u1ee9ng, trong khi con lai ch\u1ec9 th\u1ea5p h\u01a1n 10%. Trong \u0111i\u1ec1uki\u1ec7n kh\u00f4 h\u1ea1n c\u1ef1c l\u1edbn, IR64 m\u1ea5t tr\u1eafng n\u0103ng su\u1ea5t, nh\u01b0ng d\u00f2ng con lai n\u00e0y v\u1eabn t\u1ea1ora h\u1ea1t th\u00f3c \u2013 cho 30% n\u0103ng su\u1ea5t h\u1ea1t so v\u1edbi \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/p>\n
Gi\u00e1os\u01b0 Manabu Ishitani, thu\u1ed9c Trung t\u00e2m N\u00f4ng nghi\u1ec7p Nhi\u1ec7t \u0111\u1edbi qu\u1ed1c t\u1ebf – CIAT, \u0111\u00e3n\u00f3i \u0111\u00e2y l\u00e0 m\u1ed9t kh\u00e1m ph\u00e1 v\u00f4 c\u00f9ng l\u00fd th\u00fa. Ch\u00fang ta c\u00f3 th\u1ec3 bi\u1ebft m\u1ed9t ch\u00fat v\u1ec1 kh\u00e1ini\u1ec7m r\u1ec5 s\u00e2u h\u01a1n c\u00f3 th\u1ec3 gi\u00fap n\u00f4ng d\u00e2n an t\u00e2m h\u01a1n v\u1ec1 th\u1eddi gian c\u00e2y l\u00faa b\u1ecb kh\u00f4 h\u1ea1nk\u00e9o d\u00e0i, nh\u01b0ng cho \u0111\u1ebfn nay, ch\u00fang ta v\u1eabn ch\u01b0a h\u1ec1 bi\u1ebft gen g\u00ec c\u00f3 trong c\u00e2y l\u00faac\u00f3 ch\u1ee9c n\u0103ng trong ki\u1ebfn tr\u00fac r\u1ec5 l\u00faa, ho\u1eb7c l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m so\u00e1t n\u00f3.<\/p>\n
K\u1ebftqu\u1ea3 n\u00e0y v\u1eeba \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nature Genetics.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00e2y tr\u1ed3ng c\u1ee7a Nh\u1eadt B\u1ea3n, NIAS (National Institute of Agrobiological Sciences) v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a CIAT (International Center for Tropical Agriculture) \u0111\u00e3 ph\u00e2n l\u1eadp th\u00e0nh c\u00f4ng m\u1ed9t gen trong c\u00e2y l\u00faa, c\u00f3 t\u00ean g\u1ecdi l\u00e0 Deeper Rooting 1 (DR01)\u00a0gi\u00fap cho c\u00e2y m\u1ecdc r\u1ec5 d\u00e0i h\u01a1n, l\u00e0m n\u0103ng […]\n","protected":false},"author":1,"featured_media":6419,"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\/6621"}],"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=6621"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6621\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6419"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}