{"id":9034,"date":"2009-04-20T08:18:15","date_gmt":"2009-04-20T01:18:15","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/phan-lap-va-tuyen-chon-vi-khuan-noi-sinh-de-phong-tru-nam-cryptosporiopsis-eucalypti-sankaran-b-sutton-gay-benh-chay-la-bach-dan\/"},"modified":"2013-10-06T09:01:09","modified_gmt":"2013-10-06T02:01:09","slug":"phan-lap-va-tuyen-chon-vi-khuan-noi-sinh-de-phong-tru-nam-cryptosporiopsis-eucalypti-sankaran-b-sutton-gay-benh-chay-la-bach-dan","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/phan-lap-va-tuyen-chon-vi-khuan-noi-sinh-de-phong-tru-nam-cryptosporiopsis-eucalypti-sankaran-b-sutton-gay-benh-chay-la-bach-dan\/","title":{"rendered":"Ph\u00e2n l\u1eadp v\u00e0 tuy\u1ec3n ch\u1ecdn vi khu\u1ea9n n\u1ed9i sinh \u0111\u1ec3 ph\u00f2ng tr\u1eeb n\u1ea5m Cryptosporiopsis eucalypti Sankaran & B. Sutton g\u00e2y b\u1ec7nh ch\u00e1y l\u00e1 B\u1ea1ch \u0111\u00e0n"},"content":{"rendered":"\n

Ph\u1ea1m Quang Thu<\/strong>, Nguy\u1ec5n Th\u1ecb Th\u00fay Nga<\/strong> <\/p>\n

Vi\u1ec7n khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t <\/em>Nam<\/em> <\/p>\n

T\u00d3M T\u1eaeT<\/strong> <\/p>\n

B\u1ea1ch \u0111\u00e0n l\u00e0 lo\u00e0i c\u00e2y \u0111\u01b0\u1ee3c tr\u1ed3ng ph\u1ed5 bi\u1ebfn, thu\u1ea7n lo\u00e0i v\u1edbi di\u1ec7n t\u00edch l\u1edbn \u1edf r\u1ea5t nhi\u1ec1u n\u01a1i tr\u00ean n\u01b0\u1edbc ta. Do \u0111\u01b0\u1ee3c tr\u1ed3ng thu\u1ea7n lo\u00e0i n\u00ean khi xu\u1ea5t hi\u1ec7n d\u1ecbch b\u1ec7nh th\u01b0\u1eddng s\u1ebd l\u00e2y lan nhanh v\u00e0 tr\u00ean di\u1ec7n r\u1ed9ng, kh\u00f3 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c. M\u1ed9t trong nh\u1eefng t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i ch\u1ee7 y\u1ebfu l\u00e0 n\u1ea5m Cryptosporiopsis eucalypti<\/em> Sankaran & B. Sutton g\u00e2y ra b\u1ec7nh \u0111\u1ed1m l\u00e1; kh\u00f4 c\u00e0nh, ng\u1ecdn; ch\u1ebft ng\u01b0\u1ee3c \u1edf b\u1ea1ch \u0111\u00e0n. Trong m\u00f4 c\u1ee7a th\u1ef1c v\u1eadt lu\u00f4n c\u00f3 c\u00e1c vi khu\u1ea9n n\u1ed9i sinh sinh s\u1ed1ng, m\u1ed9t trong s\u1ed1 c\u00e1c lo\u00e0i n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 ph\u00e1t sinh ph\u00e1t tri\u1ec3n c\u1ee7a n\u1ea5m b\u1ec7nh. V\u1edbi 15 m\u1eabu c\u00e0nh b\u1ea1ch \u0111\u00e0n kho\u1ebb m\u1ea1nh, sinh tr\u01b0\u1edfng t\u1ed1t \u0111\u00e3 ph\u00e2n l\u1eadp \u0111\u01b0\u1ee3c 113 ch\u1ee7ng vi khu\u1ea9n n\u1ed9i sinh th\u1ef1c v\u1eadt, trong \u0111\u00f3 c\u00f3 22 ch\u1ee7ng c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m ho\u00e0n to\u00e0n kh\u00e1c nhau. V\u1edbi 22 ch\u1ee7ng khu\u1ea9n \u0111\u01b0a th\u1eed nghi\u1ec7m c\u00f3 5 ch\u1ee7ng vi khu\u1ea9n (P7<\/sub>, P17<\/sub>, P14<\/sub>, B8<\/sub>, B5<\/sub>) c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ed1i kh\u00e1ng v\u1edbi n\u1ea5m Cryptosporiopsis eucalypti<\/em> g\u00e2y b\u1ec7nh \u0111\u1ed1m l\u00e1 b\u1ea1ch \u0111\u00e0n. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u n\u00e0y ch\u00ednh l\u00e0 c\u01a1 s\u1edf b\u01b0\u1edbc \u0111\u1ea7u \u0111\u1ec3 ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p ph\u00f2ng tr\u1eeb b\u1ec7nh h\u1ea1i c\u00e2y r\u1eebng b\u1eb1ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc. <\/p>\n

C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y <\/strong> <\/p>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\n \n<\/p>\n

\nB\u1ea1ch \u0111àn là loài cây \u0111\u01b0\u1ee3c tr\u1ed3ng ph\u1ed5 bi\u1ebfn, thu\u1ea7n loài v\u1edbi di\u1ec7n tích l\u1edbn \u1edf r\u1ea5t nhi\u1ec1u n\u01a1i trên n\u01b0\u1edbc ta. Do \u0111\u01b0\u1ee3c tr\u1ed3ng thu\u1ea7n loài nên khi xu\u1ea5t hi\u1ec7n d\u1ecbch b\u1ec7nh th\u01b0\u1eddng s\u1ebd lây lan nhanh và trên di\u1ec7n r\u1ed9ng, khó có th\u1ec3 ki\u1ec3m soát \u0111\u01b0\u1ee3c. M\u1ed9t trong nh\u1eefng tác nhân gây h\u1ea1i ch\u1ee7 y\u1ebfu là n\u1ea5m Cryptosporiopsis eucalypti<\/em> Sankaran & B. Sutton gây ra b\u1ec7nh \u0111\u1ed1m lá; khô cành, ng\u1ecdn; ch\u1ebft ng\u01b0\u1ee3c \u1edf b\u1ea1ch \u0111àn. Trong mô c\u1ee7a th\u1ef1c v\u1eadt luôn có các vi khu\u1ea9n n\u1ed9i sinh sinh s\u1ed1ng, m\u1ed9t trong s\u1ed1 các loài này có kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 phát sinh phát tri\u1ec3n c\u1ee7a n\u1ea5m b\u1ec7nh. V\u1edbi 15 m\u1eabu cành b\u1ea1ch \u0111àn kho\u1ebb m\u1ea1nh, sinh tr\u01b0\u1edfng t\u1ed1t \u0111ã phân l\u1eadp \u0111\u01b0\u1ee3c 113 ch\u1ee7ng vi khu\u1ea9n n\u1ed9i sinh th\u1ef1c v\u1eadt, trong \u0111ó có 22 ch\u1ee7ng có \u0111\u1eb7c \u0111i\u1ec3m hoàn toàn khác nhau. V\u1edbi 22 ch\u1ee7ng khu\u1ea9n \u0111\u01b0a th\u1eed nghi\u1ec7m có 5 ch\u1ee7ng vi khu\u1ea9n (P7<\/sub>, P17<\/sub>, P14<\/sub>, B8<\/sub>, B5<\/sub>) có kh\u1ea3 n\u0103ng \u0111\u1ed1i kháng v\u1edbi n\u1ea5m Cryptosporiopsis eucalypti<\/em> gây b\u1ec7nh \u0111\u1ed1m lá b\u1ea1ch \u0111àn. K\u1ebft qu\u1ea3 nghiên c\u1ee9u này chính là c\u01a1 s\u1edf b\u01b0\u1edbc \u0111\u1ea7u \u0111\u1ec3 phát tri\u1ec3n ph\u01b0\u01a1ng pháp phòng tr\u1eeb b\u1ec7nh h\u1ea1i cây r\u1eebng b\u1eb1ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc.<\/font><\/font>\n<\/p>\n

<\/strong><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9034"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9034"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9034\/revisions"}],"predecessor-version":[{"id":10488,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9034\/revisions\/10488"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}