{"id":9277,"date":"2009-10-13T02:53:25","date_gmt":"2009-10-12T19:53:25","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/10\/xen-toc-trirachys-bilobulartus-grssitt-rondon-duc-than-hai-cay-duoc-rhizophora-apiculata-blume-rung-phong-ho-can-gio-thanh-pho-ho-chi-minh\/"},"modified":"2019-09-24T15:48:16","modified_gmt":"2019-09-24T08:48:16","slug":"xen-toc-trirachys-bilobulartus-grssitt-rondon-duc-than-hai-cay-duoc-rhizophora-apiculata-blume-rung-phong-ho-can-gio-thanh-pho-ho-chi-minh","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/xen-toc-trirachys-bilobulartus-grssitt-rondon-duc-than-hai-cay-duoc-rhizophora-apiculata-blume-rung-phong-ho-can-gio-thanh-pho-ho-chi-minh\/","title":{"rendered":"X\u00e9n t\u00f3c Trirachys bilobulartus grssitt & Rondon \u0111\u1ee5c th\u00e2n h\u1ea1i c\u00e2y \u0110\u01b0\u1edbc Rhizophora apiculata Blume r\u1eebng ph\u00f2ng h\u1ed9 C\u1ea7n Gi\u1edd, th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh"},"content":{"rendered":"

Ph\u1ea1m Quang Thu1<\/sup>, L\u00ea V\u0103n B\u00ecnh1<\/sup> v\u00e0 L\u00ea V\u0103n Sinh2<\/sup><\/p>\n

(1 )Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/p>\n

(2) Tr\u01b0\u1edfng Ban Qu\u1ea3n l\u00fd r\u1eebng ng\u1eadp m\u1eb7n C\u1ea7n Gi\u1edd<\/p>\n

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

S\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec1u ki\u1ec7n sinh th\u00e1i \u0111\u00e3 k\u00e9o theo s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i l\u00e0 nh\u1eefng l\u00fd do ch\u00ednh l\u00e0m di\u1ec7n t\u00edch r\u1eebng ng\u1eadp m\u1eb7n C\u1ea7n Gi\u1edd c\u00f3 th\u1ec3 b\u1ecb thu h\u1eb9p. S\u00e2u \u0111\u1ee5c th\u00e2n thu\u1ed9c h\u1ecd Cossidae \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 lo\u00e0i Zeuzera conferta<\/em> v\u00e0 m\u1ed9t lo\u00e0i s\u00e2u kh\u00e1c g\u00e2y u b\u01b0\u1edbu th\u00e2n, c\u00e0nh c\u0169ng thu\u1ed9c h\u1ecd Cossidae g\u00e2y h\u1ea1i r\u1eebng \u0110\u01b0\u1edbc \u1edf c\u00e1c l\u1eadp \u0111\u1ecba c\u00f3 \u0111i\u1ec1u ki\u1ec7n sinh th\u00e1i thay \u0111\u1ed5i n\u00e0y. Nh\u1eefng nghi\u00ean c\u1ee9u m\u1edbi \u0111\u00e2y cho th\u1ea5y r\u1eebng \u0110\u01b0\u1edbc tr\u1ed3ng tr\u00ean 20 n\u0103m tu\u1ed5i b\u1ecb x\u00e9n t\u00f3c g\u00e2y h\u1ea1i. Lo\u00e0i x\u00e9n t\u00f3c \u0111\u1ee5c th\u00e2n c\u00e2y \u0110\u01b0\u1edbc \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 lo\u00e0i Trirachys bilobulartus<\/em> Gressitt & Rondon (Cerambycidae, Coleoptera). Lo\u00e0i x\u00e9n t\u00f3c n\u00e0y l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u1edf Vi\u1ec7t Nam, lo\u00e0i c\u00e2y ch\u1ee7 \u0111\u01b0\u1ee3c ghi nh\u1eadn l\u00e0 c\u00e2y \u0110\u01b0\u1edbc Rhizophora apiculata<\/em>. X\u00e9n t\u00f3c tr\u01b0\u1edfng th\u00e0nh c\u00f3 m\u00e0u \u0111en, c\u00e1nh tr\u01b0\u1edbc v\u00e0 r\u00e2u \u0111\u1ea7u c\u00f3 nh\u1eefng m\u1ea3ng m\u00e0u n\u00e2u \u0111en b\u1ea5t \u0111\u1ecbnh l\u00e0m to\u00e0n th\u00e2n c\u00f3 h\u00ecnh loang l\u1ed5. Ch\u00e2n c\u1ee7a x\u00e9n t\u00f3c tr\u01b0\u1edfng th\u00e0nh c\u00f3 m\u00e0u n\u00e2u h\u01a1i \u0111\u1ecf. To\u00e0n th\u00e2n \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp l\u00f4ng t\u01a1 m\u1ecbn m\u00e0u v\u00e0ng da b\u00f2 c\u00f3 \u00e1nh b\u1ea1c. Nh\u1eefng m\u1ea3ng m\u00e0u trang tr\u00ed tr\u00ean c\u00e1nh c\u00f3 th\u1ec3 b\u1ecb thay \u0111\u1ed5i m\u00e0u s\u1eafc khi \u1edf c\u00e1c g\u00f3c nh\u00ecn kh\u00e1c nhau. R\u00e2u \u0111\u1ea7u c\u1ee7a con \u0111\u1ef1c d\u00e0i g\u1ea5p 2 l\u1ea7n chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3. S\u00e2u non m\u1edbi n\u1edf g\u1eb7m v\u1ecf, s\u00e2u tu\u1ed5i 2 \u0111\u1ee5c th\u1eb3ng v\u00e0o trong th\u00e2n, s\u00e2u non ng\u1eebng \u0103n \u0111\u1ec3 h\u00f3a nh\u1ed9ng v\u00e0o cu\u1ed1i th\u00e1ng 2. X\u00e9n t\u00f3c tr\u01b0\u1edfng th\u00e0nh v\u0169 h\u00f3a cu\u1ed1i th\u00e1ng 3 \u0111\u1ebfn gi\u1eefa th\u00e1ng 4. X\u00e9n t\u00f3c tr\u01b0\u1edfng th\u00e0nh c\u00e1i \u0111\u1ee5c m\u00e1ng \u0111\u1ebb tr\u1ee9ng chi\u1ec1u d\u00e0i 10-12 mm, s\u00e2u 4-6mm, m\u1ed7i m\u00e1ng 1 tr\u1ee9ng.<\/p>\n

T\u1eeb kh\u00f3a: <\/strong>C\u00e2y \u0110\u01b0\u1edbc, r\u1eebng tr\u1ed3ng, sinh th\u00e1i, x\u00e9n t\u00f3c<\/p>\n

(Ngu\u1ed3n: T\u1ea1p ch\u00ed N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n, s\u1ed1 2008, trang 79-83)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\nS\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec1u ki\u1ec7n sinh thái \u0111ã kéo theo s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a côn trùng gây h\u1ea1i là nh\u1eefng lý do chính làm di\u1ec7n tích r\u1eebng ng\u1eadp m\u1eb7n C\u1ea7n Gi\u1edd có th\u1ec3 b\u1ecb thu h\u1eb9p. Sâu \u0111\u1ee5c thân thu\u1ed9c h\u1ecd Cossidae \u0111\u01b0\u1ee3c xác \u0111\u1ecbnh là loài Zeuzera conferta<\/em> và m\u1ed9t loài sâu khác gây u b\u01b0\u1edbu thân, cành c\u0169ng thu\u1ed9c h\u1ecd Cossidae gây h\u1ea1i r\u1eebng \u0110\u01b0\u1edbc \u1edf các l\u1eadp \u0111\u1ecba có \u0111i\u1ec1u ki\u1ec7n sinh thái thay \u0111\u1ed5i này. Nh\u1eefng nghiên c\u1ee9u m\u1edbi \u0111ây cho th\u1ea5y r\u1eebng \u0110\u01b0\u1edbc tr\u1ed3ng trên 20 n\u0103m tu\u1ed5i b\u1ecb xén tóc gây h\u1ea1i. Loài xén tóc \u0111\u1ee5c thân cây \u0110\u01b0\u1edbc \u0111\u01b0\u1ee3c xác \u0111\u1ecbnh là loài Trirachys bilobulartus<\/em> Gressitt & Rondon (Cerambycidae, Coleoptera). Loài xén tóc này l\u1ea7n \u0111\u1ea7u tiên \u0111\u01b0\u1ee3c phát hi\u1ec7n \u1edf Vi\u1ec7t Nam, loài cây ch\u1ee7 \u0111\u01b0\u1ee3c ghi nh\u1eadn là cây \u0110\u01b0\u1edbc Rhizophora apiculata<\/em>. <\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9277"}],"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=9277"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9277\/revisions"}],"predecessor-version":[{"id":19195,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9277\/revisions\/19195"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}