{"id":9444,"date":"2010-10-26T21:45:13","date_gmt":"2010-10-26T14:45:13","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/10\/lua-chon-moi-truong-nhan-nuoi-nam-metarhizium-de-diet-moi-odontotermes-angustignathus-tsai-etchen-hai-cay-con-lam-nghiep\/"},"modified":"2015-05-19T14:30:16","modified_gmt":"2015-05-19T07:30:16","slug":"lua-chon-moi-truong-nhan-nuoi-nam-metarhizium-de-diet-moi-odontotermes-angustignathus-tsai-etchen-hai-cay-con-lam-nghiep","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/lua-chon-moi-truong-nhan-nuoi-nam-metarhizium-de-diet-moi-odontotermes-angustignathus-tsai-etchen-hai-cay-con-lam-nghiep\/","title":{"rendered":"L\u1ef1a ch\u1ecdn m\u00f4i tr\u01b0\u1eddng nh\u1eadn nu\u00f4i n\u1ea5m Metarhizium \u0111\u1ec3 di\u1ec7t m\u1ed1i Odontotermes Angustignathus Tsai Etchen h\u1ea1i c\u00e2y con l\u00e2m nghi\u1ec7p"},"content":{"rendered":"<p><strong>B\u00f9i Th\u1ecb Thu\u1ef7, Phan L\u01b0\u01a1ng Ng\u1ecdc<\/strong><\/p>\n<p><em>Ph\u00f2ng Nghi\u00ean c\u1ee9u B\u1ea3o qu\u1ea3n L\u00e2m s\u1ea3n<\/em><\/p>\n<p><em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><em><\/em><\/p>\n<p><strong>T\u00d3M T\u1eaeT<\/strong><\/p>\n<p>B\u1ed1n lo\u1ea1i m\u00f4i tr\u01b0\u1eddng (Sabouraud, Sabouraud b\u1ed5 sung b\u1ed9t v\u1ecf t\u00f4m, Sabouraud b\u1ed5 sung b\u1ed9t v\u1ecf cua, Sabouraud b\u1ed5 sung cazein) \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u1ec3 nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng, sinh b\u00e0o t\u1eed tr\u1ea7n (BTT), sinh enzyme c\u1ee7a 3 ch\u1ee7ng vi n\u1ea5m <em>Metarhizium<\/em> M1, M2, M5. K\u1ebft qu\u1ea3 cho th\u1ea5y, tr\u00ean m\u00f4i tr\u01b0\u1eddng Sabouraud b\u1ed5 sung 0,5% b\u1ed9t v\u1ecf t\u00f4m 3 ch\u1ee7ng vi n\u1ea5m sinh tr\u01b0\u1edfng, sinh BTT, sinh enzyme t\u1ed1t nh\u1ea5t. B\u00e0o t\u1eed tr\u1ea7n, sinh kh\u1ed1i, d\u1ecbch nu\u00f4i c\u1ea5y c\u1ee7a 3 ch\u1ee7ng vi n\u1ea5m thu \u0111\u01b0\u1ee3c t\u1eeb m\u00f4i tr\u01b0\u1eddng t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c nhi\u1ec5m b\u1ec7nh tr\u00ean m\u1ed1i \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u l\u1ef1c di\u1ec7t m\u1ed1i <em>Odontotermes angustinathus<\/em> trong \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng th\u00ed nghi\u1ec7m. C\u1ea3 3 ch\u1ee7ng <em>Metarhizium<\/em> M1, M2, M5 \u0111\u1ec1u c\u00f3 hi\u1ec7u l\u1ef1c di\u1ec7t m\u1ed1i <em>Odontotermes angustinathus<\/em> b\u1eb1ng BTT v\u00e0 d\u1ecbch nu\u00f4i c\u1ea5y. Ch\u1ee7ng M1 c\u00f3 hi\u1ec7u l\u1ef1c di\u1ec7t m\u1ed1i cao h\u01a1n ch\u1ee7ng M2, M5.<\/p>\n<p><strong>T\u1eeb kh\u00f3a<\/strong>: <em>Metarhizium, Odontotermes angustinathus,<\/em> M\u00f4i tr\u01b0\u1eddng.<strong><\/strong><\/p>\n<p><strong>M\u1ede \u0110\u1ea6U<\/strong><\/p>\n<p>M\u1ed1i l\u00e0 m\u1ed9t trong nh\u1eefng lo\u00e0i c\u00f4n tr\u00f9ng c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi n\u1ec1n kinh t\u1ebf, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf c\u00e1c n\u01b0\u1edbc nhi\u1ec7t \u0111\u1edbi. M\u1ed1i ph\u00e2n gi\u1ea3i g\u1ed7 tr\u1ea3 l\u1ea1i m\u00f9n cho \u0111\u1ea5t, l\u00e0m bi\u1ebfn \u0111\u1ed5i t\u00ednh ch\u1ea5t l\u00fd, ho\u00e1 c\u1ee7a \u0111\u1ea5t \u1edf n\u01a1i ch\u00fang ho\u1ea1t \u0111\u1ed9ng. M\u1ed1i c\u0169ng l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng g\u00e2y h\u1ea1i r\u1ea5t l\u1edbn. M\u1ed1i h\u1ea1i nh\u00e0 c\u1eeda, kho t\u00e0ng, t\u00e0i li\u1ec7u l\u01b0u tr\u1eef, h\u1ec7 th\u1ed1ng \u0111\u00ea \u0111i\u1ec1u \u2026 M\u1ed1i g\u00e2y h\u1ea1i c\u00e2y tr\u1ed3ng trong c\u00f4ng, n\u00f4ng nghi\u1ec7p, l\u00e2m nghi\u1ec7p. Ch\u00fang t\u1ea5n c\u00f4ng c\u00e2y con trong c\u00e1c v\u01b0\u1eddn \u01b0\u01a1m v\u00e0 r\u1eebng m\u1edbi tr\u1ed3ng, l\u1ea5y n\u01b0\u1edbc v\u00e0 ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ee7a c\u00e2y l\u00e0m c\u00e2y ch\u1ebft h\u00e0ng lo\u1ea1t.<\/p>\n<p>Ph\u00f2ng tr\u1eeb m\u1ed1i h\u1ea1i c\u00e2y con l\u00e2m nghi\u1ec7p, m\u1ed9t m\u1eb7t ph\u1ea3i h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c thi\u1ec7t h\u1ea1i kinh t\u1ebf do m\u1ed1i g\u00e2y ra, m\u1eb7t kh\u00e1c ph\u1ea3i b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c t\u00ednh \u0111a d\u1ea1ng c\u1ee7a c\u00e1c sinh v\u1eadt kh\u00e1c, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng. Tr\u00ean th\u1ebf gi\u1edbi, vi n\u1ea5m <em>Metarhizium <\/em>\u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u \u0111\u1ec3 ph\u00f2ng tr\u1eeb c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i, trong \u0111\u00f3 c\u00f3 m\u1ed1i. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 nghi\u00ean c\u1ee9u th\u00e0nh c\u00f4ng ch\u1ebf ph\u1ea9m Dimez t\u1eeb vi n\u1ea5m <em>Metarhizium <\/em>\u0111\u1ec3 di\u1ec7t m\u1ed1i nh\u00e0 <em>Coptotermes formosanus<\/em> theo ph\u01b0\u01a1ng ph\u00e1p l\u00e2y nhi\u1ec5m (Nguy\u1ec5n D\u01b0\u01a1ng Khu\u00ea, 2004). \u0110\u00e2y l\u00e0 ti\u1ec1n \u0111\u1ec1 c\u01a1 s\u1edf \u0111\u1ec3 ch\u00fang t\u00f4i ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng 3 ch\u1ee7ng vi n\u1ea5m n\u00e0y \u0111\u1ec3 di\u1ec7t m\u1ed1i h\u1ea1i c\u00e2y con l\u00e2m nghi\u1ec7p. Tuy nhi\u00ean, m\u1ed1i h\u1ea1i c\u00e2y l\u00e2m nghi\u1ec7p c\u00f3 nh\u1eefng \u0111\u1eb7c t\u00ednh kh\u00e1c so v\u1edbi m\u1ed1i h\u1ea1i c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac n\u00ean vi\u1ec7c ph\u00f2ng tr\u1eeb c\u0169ng c\u00f3 nh\u1eefng \u0111\u1eb7c th\u00f9 ri\u00eang. Nh\u1eb1m m\u1ee5c \u0111\u00edch l\u1ef1a ch\u1ecdn ch\u1ee7ng n\u1ea5m v\u00e0 m\u00f4i tr\u01b0\u1eddng nh\u00e2n nu\u00f4i th\u00edch h\u1ee3p c\u00f3 hi\u1ec7u l\u1ef1c di\u1ec7t m\u1ed1i cao, ch\u00fang t\u00f4i quan t\u00e2m \u0111\u1ebfn m\u1ed9t s\u1ed1 ti\u00eau chu\u1ea9n: m\u00f4i tr\u01b0\u00ad\u1eddng \u0111\u1ec3 vi n\u1ea5m c\u00f3 kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng, m\u00f4i tr\u01b0\u00ad\u1eddng \u0111\u1ec3 vi n\u1ea5m c\u00f3 kh\u1ea3 n\u0103ng sinh b\u00e0o t\u1eed tr\u1ea7n (BTT), sinh enzym ngo\u1ea1i b\u00e0o t\u1ed1t. Nh\u1eefng ti\u00eau chu\u1ea9n tr\u00ean \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 c\u00f3 \u1ea3nh h\u01b0\u00ad\u1edfng l\u1edbn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ch\u1ebf ph\u1ea9m v\u00e0 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn kh\u1ea3 n\u0103ng di\u1ec7t c\u00f4n tr\u00f9ng c\u1ee7a <em>Metarhizium<\/em> (T\u1ea1 Kim Ch\u1ec9nh, 1996; T\u1ea1 Kim Ch\u1ec9nh <em>et al<\/em>., 2001).<\/p>\n<p>C\u00f3 r\u1ea5t nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p khi c\u00f3 m\u1eb7t trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec1u ngu\u1ed3n C, N kh\u00e1c nhau, vi n\u1ea5m s\u1ebd ph\u00e1t tri\u1ec3n m\u1ea1nh h\u01a1n khi ch\u1ec9 c\u00f3 ri\u00eang t\u1eebng lo\u1ea1i (T\u1ea1 Kim Ch\u1ec9nh <em>et al.,<\/em> 2001). B\u00e0i b\u00e1o tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 v\u1ec1 kh\u1ea3 n\u0103ng sinh tr\u01b0\u00ad\u1edfng, sinh enzyme ngo\u1ea1i b\u00e0o, sinh BTT, hi\u1ec7u l\u1ef1c di\u1ec7t m\u1ed1i c\u1ee7a 3 ch\u1ee7ng vi n\u1ea5m <em>Metarhizium<\/em> khi b\u1ed5 sung c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng: cazein, b\u1ed9t v\u1ecf t\u00f4m, b\u1ed9t v\u1ecf cua v\u00e0o m\u00f4i tr\u01b0\u1eddng c\u01a1 s\u1edf<em>.<\/em><\/p>\n<p><em>(Trang 1267-1272)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; letter-spacing: -0.1pt; color: black; font-size: 10pt\">B\u1ed1n lo\u1ea1i<\/span><span style=\"font-family: Arial; color: black; font-size: 10pt\"> m&ocirc;i tr\u01b0\u1eddng (Sabouraud, Sabouraud b\u1ed5 sung b\u1ed9t v\u1ecf t&ocirc;m, Sabouraud b\u1ed5 sung b\u1ed9t v\u1ecf cua, Sabouraud b\u1ed5 sung cazein) \u0111&atilde; \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u1ec3 nghi&ecirc;n c\u1ee9u kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng, sinh b&agrave;o t\u1eed tr\u1ea7n (BTT), sinh enzyme c\u1ee7a 3 ch\u1ee7ng vi n\u1ea5m <em>Metarhizium<\/em> M1, M2, M5. K\u1ebft qu\u1ea3 cho th\u1ea5y, tr&ecirc;n m&ocirc;i tr\u01b0\u1eddng Sabouraud b\u1ed5 sung 0,5% b\u1ed9t v\u1ecf t&ocirc;m 3 ch\u1ee7ng vi n\u1ea5m sinh tr\u01b0\u1edfng, sinh BTT, sinh enzyme t\u1ed1t nh\u1ea5t. B&agrave;o t\u1eed tr\u1ea7n, sinh kh\u1ed1i, d\u1ecbch nu&ocirc;i c\u1ea5y c\u1ee7a 3 ch\u1ee7ng vi n\u1ea5m thu \u0111\u01b0\u1ee3c t\u1eeb m&ocirc;i tr\u01b0\u1eddng t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c nhi\u1ec5m b\u1ec7nh tr&ecirc;n m\u1ed1i \u0111\u1ec3 \u0111&aacute;nh gi&aacute; hi\u1ec7u l\u1ef1c di\u1ec7t m\u1ed1i <em>Odontotermes angustinathus<\/em> trong \u0111i\u1ec1u ki\u1ec7n ph&ograve;ng th&iacute; nghi\u1ec7m.<\/span><\/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\/9444"}],"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=9444"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9444\/revisions"}],"predecessor-version":[{"id":15274,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9444\/revisions\/15274"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}