\u1ede Vi\u1ec7t Nam m\u1ed1i h\u1ea1i g\u1ed7 c\u00f3 kho\u1ea3ng 27 lo\u00e0i. Gi\u1ed1ng Coptotermes g\u00e2y h\u1ea1i m\u1ea1nh nh\u1ea5t v\u00e0 chi\u1ebfm t\u1edbi 97% trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng, ch\u00fang ph\u00e1 ho\u1ea1i nghi\u00eam tr\u1ecdng c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng, kho t\u00e0ng … k\u1ef9 thu\u1eadt di\u1ec7t m\u1ed1i theo ph\u01b0\u01a1ng ph\u00e1p l\u00e2y nhi\u1ec5m r\u1ea5t \u0111\u1ed9c \u0111\u00e1o v\u00e0 h\u1eefu hi\u1ec7u nh\u01b0ng v\u1eabn ph\u1ea3i s\u1eed d\u1ee5ng thu\u1ed1c c\u00f3 ngu\u1ed3n g\u1ed1c ho\u00e1 h\u1ecdc. C\u00e1c lo\u1ea1i thu\u1ed1c n\u00e0y hi\u1ec7n \u0111ang kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng. <\/p>\n
Thay th\u1ebf thu\u1ed1c ch\u1ed1ng m\u1ed1i n\u00f3i ri\u00eang v\u00e0 thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt n\u00f3i chung, c\u00f3 ngu\u1ed3n g\u1ed1c ho\u00e1 h\u1ecdc b\u1eb1ng ch\u1ebf ph\u1ea9m vi sinh l\u00e0 \u0111i\u1ec1u mong \u01b0\u1edbc c\u1ee7a th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t N\u00f4ng – L\u00e2m – Nghi\u1ec7p, \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0 xu h\u01b0\u1edbng tr\u00ean th\u1ebf gi\u1edbi. C\u00e1c t\u00e1c gi\u1ea3: Metschnikoff (1879). H.Hanel (1981, 1982), K.H.Domch (1980), H.Hanel and J.A.L. Watson (1983), Kentazo suzuki (1991), f.J.Milner (1991), Ph\u1ea1m Th\u1ecb Thu\u1ef3 (1993, 1995), T\u1ea1 Kim Ch\u1ec9nh (1994, 1996) \u0111\u00e3 cho bi\u1ebft: <\/p>\n
– Vi n\u1ea5m Metarrhizium c\u00f3 kh\u1ea3 n\u0103ng di\u1ec7t c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ph\u00f2ng tr\u1eeb m\u1ed1i \u0111\u1ea5t Ordontotermes, Nasutitermes. <\/p>\n
– V\u1edbi gi\u1ed1ng Nasutermes, kh\u1ea3 n\u0103ng g\u00e2y b\u1ec7nh c\u1ee7a b\u00e0o t\u1eed tr\u1ea7n l\u00e0 nhanh nh\u1ea5t v\u00e0 t\u1ef7 l\u1ec7 ch\u1ebft cao nh\u1ea5t. <\/p>\n
– Metarrhizium kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt b\u1eadc cao.C\u00e1c \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u c\u1ee7a ph\u00f2ng b\u1ea3o qu\u1ea3n L\u00e2m s\u1ea3n (1994, 1998)… \u0111\u00e3 cho k\u1ebft qu\u1ea3:- \u0110\u00e3 tuy\u1ec3n ch\u1ecdn \u0111\u01b0\u1ee3c 3 ch\u1ee7ng Metarrhizium (k\u00fd hi\u1ec7u M1, M2 v\u00e0 M5) c\u00f3 kh\u1ea3 n\u0103ng di\u1ec7t \u0111\u01b0\u1ee3c m\u1ed1i nh\u00e0 Coptotermes theo ph\u01b0\u01a1ng ph\u00e1p l\u00e2y nhi\u1ec5m.- \u0110\u00e3 t\u1ea1o \u0111\u01b0\u1ee3c ch\u1ebf ph\u1ea9m Metarrhizium nh\u01b0ng l\u01b0\u1ee3ng b\u00e0o t\u1eed tr\u1ea7n \/gam ch\u1ebf ph\u1ea9m c\u00f2n th\u1ea5p. <\/p>\n
– T\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a ch\u1ebf ph\u1ea9m \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n theo th\u1eddi gian c\u00f2n th\u1ea5p (<6 th\u00e1ng). <\/p>\n","protected":false},"excerpt":{"rendered":"
\u1ede Vi\u1ec7t Nam m\u1ed1i h\u1ea1i g\u1ed7 có kho\u1ea3ng 27 loài. Gi\u1ed1ng Coptotermes gây h\u1ea1i m\u1ea1nh nh\u1ea5t và chi\u1ebfm t\u1edbi 97% trong các công trình xây d\u1ef1ng, chúng phá ho\u1ea1i nghiêm tr\u1ecdng các công trình xây d\u1ef1ng, kho tàng … k\u1ef9 thu\u1eadt di\u1ec7t m\u1ed1i theo ph\u01b0\u01a1ng pháp lây nhi\u1ec5m r\u1ea5t \u0111\u1ed9c \u0111áo và h\u1eefu hi\u1ec7u nh\u01b0ng v\u1eabn ph\u1ea3i s\u1eed d\u1ee5ng thu\u1ed1c có ngu\u1ed3n g\u1ed1c hoá h\u1ecdc. Các lo\u1ea1i thu\u1ed1c này hi\u1ec7n \u0111ang không \u0111\u01b0\u1ee3c phép s\u1eed d\u1ee5ng. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9186"}],"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=9186"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9186\/revisions"}],"predecessor-version":[{"id":10640,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9186\/revisions\/10640"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}