{"id":9818,"date":"2012-04-13T02:48:25","date_gmt":"2012-04-12T19:48:25","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/04\/ket-qua-dieu-tra-thanh-phan-loai-sau-an-la-keo-dac-diem-sinh-hoc-cua-loai-sau-hai-chinh-tai-quang-tri\/"},"modified":"2019-09-24T15:46:52","modified_gmt":"2019-09-24T08:46:52","slug":"ket-qua-dieu-tra-thanh-phan-loai-sau-an-la-keo-dac-diem-sinh-hoc-cua-loai-sau-hai-chinh-tai-quang-tri","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-dieu-tra-thanh-phan-loai-sau-an-la-keo-dac-diem-sinh-hoc-cua-loai-sau-hai-chinh-tai-quang-tri\/","title":{"rendered":"K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra th\u00e0nh ph\u1ea7n lo\u00e0i s\u00e2u \u0103n l\u00e1 keo, \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc c\u1ee7a lo\u00e0i s\u00e2u h\u1ea1i ch\u00ednh t\u1ea1i Qu\u1ea3ng Tr\u1ecb"},"content":{"rendered":"

L\u00ea V\u0103n B\u00ecnh, \u0110\u00e0o Ng\u1ecdc Quang<\/strong><\/p>\n

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

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

Keo l\u00e1 tr\u00e0m, Keo lai v\u00e0 Keo tai t\u01b0\u1ee3ng l\u00e0 lo\u00e0i c\u00e2y nh\u1eadp n\u1ed9i \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m c\u00e2y tr\u1ed3ng ch\u00ednh \u1edf Vi\u1ec7t Nam n\u00f3i chung v\u00e0 t\u1ec9nh Qu\u1ea3ng Tr\u1ecb n\u00f3i ri\u00eang. Lo\u00e0i c\u00e2y n\u00e0y \u0111\u01b0\u1ee3c ch\u1ecdn tr\u1ed3ng r\u1eebng ph\u1ed5 bi\u1ebfn nh\u01b0 v\u1eady v\u00ec ch\u00fang c\u00f3 th\u1ec3 s\u1ed1ng, sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t t\u1ed1t. H\u01a1n n\u1eefa, \u0111\u00e2y c\u0169ng l\u00e0 lo\u00e0i c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao, c\u00f3 th\u1ecb tr\u01b0\u1eddng v\u1ec1 nguy\u00ean li\u1ec7u gi\u1ea5y v\u00e0 d\u0103m xu\u1ea5t kh\u1ea9u. Tuy nhi\u00ean hi\u1ec7n n\u00e0y c\u00e1c lo\u00e0i Keo l\u00e1 tr\u00e0m, Keo lai, Keo tai t\u01b0\u1ee3ng \u0111\u00e3 v\u00e0 \u0111ang b\u1ecb c\u00e1c lo\u00e0i s\u00e2u g\u00e2y h\u1ea1i, theo k\u1ebft qu\u1ea3 \u0111i\u1ec1u tra c\u1ee7a \u0111\u1ec1 t\u00e0i \u0111\u00e3 thu \u0111\u01b0\u1ee3c 8 lo\u00e0i s\u00e2u h\u1ea1i l\u00e0 s\u00e2u 9 ch\u1ea5m, s\u00e2u k\u00e8n d\u00e0i, s\u00e2u k\u00e8n nh\u1ecf, c\u00e2u c\u1ea5u xanh l\u1edbn, c\u00e2u c\u1ea5u nh\u1ecf, c\u00e1nh cam, ch\u00e2u ch\u1ea5u voi v\u00e0 s\u00e2u h\u1ea1i l\u00e1 trong s\u1ed1 \u0111\u00f3 c\u00f3 1 lo\u00e0i s\u00e2u 9 ch\u1ea5m Phalera grotei <\/em>g\u00e2y h\u1ea1i ch\u00ednh cho Keo l\u00e1 tr\u00e0m t\u1ea1i huy\u1ec7n V\u0129nh Linh t\u1ec9nh Qu\u1ea3ng Tr\u1ecb.<\/p>\n

V\u00f2ng \u0111\u1eddi c\u1ee7a lo\u00e0i s\u00e2u 9 ch\u1ea5m Phalera grotei<\/em> c\u00f3 4 giai \u0111o\u1ea1n: S\u00e2u tr\u01b0\u1edfng th\u00e0nh, tr\u1ee9ng, s\u00e2u non v\u00e0 nh\u1ed9ng. S\u00e2u tr\u01b0\u1edfng th\u00e0nh c\u00e1i d\u00e0i t\u1eeb 48 \u0111\u1ebfn 60mm, con \u0111\u1ef1c d\u00e0i t\u1eeb 41 \u0111\u1ebfn 53mm, r\u00e2u \u0111\u1ea7u h\u00ecnh s\u1ee3i ch\u1ec9, m\u1eaft k\u00e9p m\u00e0u \u0111en x\u00e1m, \u0111\u1ec9nh \u0111\u1ea7u c\u00f3 \u0111\u00e1m l\u00f4ng h\u01a1i nh\u00f4 l\u00ean m\u00e0u n\u00e2u, ph\u00eda tr\u00ean m\u1eaft c\u00f3 4 c\u1ee5c nh\u00f4 l\u00ean m\u00e0u tr\u1eafng, b\u1ee5ng d\u01b0\u1edbi s\u00e2u tr\u01b0\u1edfng th\u00e0nh c\u00f3 m\u00e0u n\u00e2u tr\u1eafng, to\u00e0n th\u00e2n c\u00f3 m\u00e0u n\u00e2u x\u00e1m. S\u00e2u non c\u00f3 6 tu\u1ed5i, tu\u1ed5i 1 \u0111\u1ebfn tu\u1ed5i 3 m\u00e0u xanh nh\u1ea1t, tu\u1ed5i 4 \u0111\u1ebfn tu\u1ed5i 5 m\u00e0u tr\u1eafng, tu\u1ed5i 6 m\u00e0u x\u00e1m xanh. Nh\u1ed9ng (Pupa) m\u00e0u c\u00e1nh gi\u00e1n s\u1eabm.<\/p>\n

T\u1eeb kh\u00f3a: <\/strong>Keo l\u00e1 tr\u00e0m, S\u00e2u 9 ch\u1ea5m (Phalera grotei)<\/em><\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n

Keo l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00e2y tr\u1ed3ng ch\u1ee7 l\u1ef1c \u1edf nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi. Tuy nhi\u00ean, trong qu\u00e1 tr\u00ecnh g\u00e2y tr\u1ed3ng, Keo b\u1ecb r\u1ea5t nhi\u1ec1u lo\u00e0i c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i c\u00e1c ph\u1ea7n c\u1ee7a c\u00e2y. V\u1ea5n \u0111\u1ec1 nghi\u00ean c\u1ee9u c\u00e1c lo\u00e0i s\u00e2u h\u1ea1i c\u00e2y Keo \u1edf c\u00e1c n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi r\u1ea5t \u0111\u01b0\u1ee3c quan t\u00e2m ch\u00fa tr\u1ecdng. V\u00ec kh\u00f4ng nh\u1eefng ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ngu\u1ed3n l\u1ee3i kinh t\u1ebf m\u00e0 c\u00f2n g\u00e2y ra nhi\u1ec1u thi\u1ec7t h\u1ea1i v\u1ec1 c\u1ea3nh quan v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh.<\/p>\n

Theo b\u00e1o c\u00e1o c\u1ee7a Chi c\u1ee5c Ki\u1ec3m l\u00e2m \u2013 S\u1edf N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n t\u1ec9nh Qu\u1ea3ng Tr\u1ecb t\u1ea1i c\u00f4ng v\u0103n s\u1ed1 48\/BC-KL, ng\u00e0y 30 th\u00e1ng 9 n\u0103m 2008, t\u00ecnh h\u00ecnh s\u00e2u \u0103n l\u00e1 \u0111\u00e3 x\u1ea3y ra d\u1ecbch g\u00e2y h\u1ea1i nghi\u00eam tr\u1ecdng cho Keo l\u00e1 tr\u00e0m, Keo tai t\u01b0\u1ee3ng v\u00e0 Keo lai t\u1ea1i ti\u1ec3u khu 543 thu\u1ed9c \u0111\u1ecba b\u00e0n th\u00f4n Ch\u1ea5p \u0110\u00f4ng v\u00e0 ti\u1ec3u khu 545 thu\u1ed9c \u0111\u1ecba b\u00e0n th\u00f4n B\u1eafc Ph\u00fa x\u00e3 V\u0129nh Ch\u1ea5p, ti\u1ec3u khu 541, 553T, 542, x\u00e3 V\u0129nh T\u00fa t\u1ea1i huy\u1ec7n V\u0129nh Linh t\u1ec9nh Qu\u1ea3ng Tr\u1ecb, di\u1ec7n t\u00edch b\u1ecb s\u00e2u g\u00e2y h\u1ea1i l\u00ean \u0111\u1ebfn 145ha. K\u1ebft qu\u1ea3 ph\u00e2n lo\u1ea1i b\u01b0\u1edbc \u0111\u1ea7u c\u1ee7a C\u1ee5c B\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt \u2013 B\u1ed9 NN&PTNT cho th\u1ea5y \u0111\u00e2y l\u00e0 lo\u00e0i s\u00e2u h\u1ea1i m\u1edbi c\u00f3 t\u00ean khoa h\u1ecdc l\u00e0 Phalera sp <\/em>thu\u1ed9c h\u1ecd Notodontidae, b\u1ed9 C\u00e1nh v\u1ea9y Lepidoptera v\u00e0 m\u1ed9t s\u1ed1 lo\u00e0i s\u00e2u \u0103n l\u00e1 kh\u00e1c n\u1eefa. Nh\u1eefng lo\u00e0i n\u00e0y kh\u00e1c v\u1edbi lo\u00e0i s\u00e2u g\u00e2y h\u1ea1i Keo tai t\u01b0\u1ee3ng tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 g\u00e2y ra d\u1ecbch t\u1ea1i Ph\u00fa Tho, Tuy\u00ean Quang, Y\u00ean B\u00e1i v\u00e0 H\u00e0 T\u00e2y (c\u0169). Lo\u00e0i s\u00e2u n\u00e0y c\u00f3 s\u1ee9c ph\u00e1 h\u1ea1i r\u1ea5t l\u1edbn, ch\u00fang \u0103n tr\u1ee5i l\u00e1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y v\u00e0 l\u00e0m ch\u1ebft c\u00e2y; m\u1eadt \u0111\u1ed9 nh\u1ed9ng trung b\u00ecnh 200 nh\u1ed9ng\/c\u00e2y. Cho \u0111\u1ebfn nay ch\u01b0a c\u00f3 c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u n\u00e0o v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb lo\u00e0i s\u00e2u n\u00e0y. Ch\u00ednh v\u00ec v\u1eady, nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m nh\u1eadn bi\u1ebft, \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc, gi\u00e1m \u0111\u1ecbnh t\u00ean khoa h\u1ecdc v\u00e0 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb ch\u00fang l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft.<\/p>\n

(K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p giai \u0111o\u1ea1n 2006-2010, trang 364-373)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

<\/p>\n

\nKeo
\nlá tràm, Keo lai và Keo tai t\u01b0\u1ee3ng là loài cây nh\u1eadp n\u1ed9i \u0111\u01b0\u1ee3c ch\u1ecdn làm cây tr\u1ed3ng
\nchính \u1edf Vi\u1ec7t Nam
\nnói chung và t\u1ec9nh Qu\u1ea3ng Tr\u1ecb nói riêng. Loài cây này<\/span><\/span> \u0111\u01b0\u1ee3c ch\u1ecdn tr\u1ed3ng r\u1eebng ph\u1ed5 bi\u1ebfn nh\u01b0 v\u1eady vì chúng có th\u1ec3 s\u1ed1ng, sinh tr\u01b0\u1edfng
\nvà phát t\u1ed1t. H\u01a1n n\u1eefa, \u0111ây c\u0169ng là loài cây có giá tr\u1ecb kinh t\u1ebf cao, có th\u1ecb
\ntr\u01b0\u1eddng v\u1ec1 nguyên li\u1ec7u gi\u1ea5y và d\u0103m xu\u1ea5t kh\u1ea9u.<\/span>\n<\/div>\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\/9818"}],"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=9818"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9818\/revisions"}],"predecessor-version":[{"id":19192,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9818\/revisions\/19192"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9818"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9818"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}