{"id":8826,"date":"2009-03-24T04:30:06","date_gmt":"2009-03-23T21:30:06","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/03\/ket-qua-dieu-tra-sau-hai-vuon-uom-cay-rung-o-mot-so-tinh-mien-bac-viet-nam\/"},"modified":"2019-09-24T10:53:49","modified_gmt":"2019-09-24T03:53:49","slug":"ket-qua-dieu-tra-sau-hai-vuon-uom-cay-rung-o-mot-so-tinh-mien-bac-viet-nam","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-dieu-tra-sau-hai-vuon-uom-cay-rung-o-mot-so-tinh-mien-bac-viet-nam\/","title":{"rendered":"K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra s\u00e2u h\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y r\u1eebng \u1edf m\u1ed9t s\u1ed1 t\u1ec9nh mi\u1ec1n B\u1eafc Vi\u1ec7t Nam"},"content":{"rendered":"

K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra s\u00e2u h\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y r\u1eebng \u1edf m\u1ed9t s\u1ed1 t\u1ec9nh mi\u1ec1n B\u1eafc Vi\u1ec7t <\/strong>Nam<\/strong><\/p>\n

Nguy\u1ec5n V\u0103n \u0110\u1ed9<\/em><\/strong><\/p>\n

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

M\u1ed9t trong nh\u1eefng tr\u1edf ng\u1ea1i l\u1edbn cho vi\u1ec7c g\u00e2y tr\u1ed3ng v\u00e0 ph\u00e1t tri\u1ec3n r\u1eebng l\u00e0 v\u1ea5n \u0111\u1ec1 s\u00e2u h\u1ea1i; nh\u1eefng thi\u1ec7t h\u1ea1i do s\u00e2u h\u1ea1i kh\u00f4ng ch\u1ec9 x\u1ea3y ra \u1edf r\u1eebng tr\u1ed3ng m\u00e0 c\u00f2n x\u1ea3y ra ngay c\u1ea3 trong v\u01b0\u1eddn \u01b0\u01a1m. S\u00e2u h\u1ea1i trong v\u01b0\u1eddn \u01b0\u01a1m tuy m\u1ee9c \u0111\u1ed9 v\u00e0 quy m\u00f4 h\u1ea1i kh\u00f4ng l\u1edbn nh\u01b0 \u1edf r\u1eebng tr\u1ed3ng, nh\u01b0ng h\u1eadu qu\u1ea3 c\u1ee7a ch\u00fang t\u1ed3n t\u1ea1i l\u00e2u d\u00e0i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng sau n\u00e0y. C\u00e2y con trong v\u01b0\u1eddn \u01b0\u01a1m b\u1ecb s\u00e2u h\u1ea1i th\u01b0\u1eddng c\u00f2i c\u1ecdc, d\u1ecb d\u1ea1ng\u2026 n\u1ebfu \u0111em tr\u1ed3ng t\u1ef7 l\u1ec7 s\u1ed1ng th\u1ea5p v\u00e0 sinh tr\u01b0\u1edfng k\u00e9m. \u0110\u1ec3 qu\u1ea3n l\u00fd t\u1ed1t s\u00e2u h\u1ea1i t\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y r\u1eebng, c\u1ea7n thi\u1ebft ph\u1ea3i ti\u1ebfn h\u00e0nh \u0111i\u1ec1u tra th\u00e0nh ph\u1ea7n s\u00e2u h\u1ea1i v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c lo\u00e0i s\u00e2u h\u1ea1i ch\u00ednh nh\u1eb1m ch\u1ee7 \u0111\u1ed9ng l\u00ean k\u1ebf ho\u1ea1ch ph\u00f2ng tr\u1eeb.<\/p>\n

1. Ph\u01b0\u01a1ng ph\u00e1p v\u00e0 \u0111\u1ecba \u0111i\u1ec3m nghi\u00ean c\u1ee9u<\/strong><\/p>\n

– \u0110i\u1ec1u tra \u0111\u1ecbnh k\u1ef3 7 ng\u00e0y m\u1ed9t l\u1ea7n tr\u00ean m\u1ed9t s\u1ed1 v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y r\u1eebng \u0111\u01b0\u1ee3c ch\u1ecdn; ngo\u00e0i ra ti\u1ebfn h\u00e0nh nh\u1eefng \u0111\u1ee3t kh\u1ea3o s\u00e1t nhanh t\u1ea1i c\u00e1c v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y r\u1eebng kh\u00e1c \u0111\u1ec3 b\u1ed5 sung s\u1ed1 li\u1ec7u.<\/p>\n

– S\u1eed d\u1ee5ng phi\u1ebfu \u0111i\u1ec1u tra t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng: Phi\u1ebfu \u0111i\u1ec1u tra \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 in s\u1eb5n v\u1edbi c\u00e1c m\u1ee5c c\u1ea7n thi\u1ebft cho vi\u1ec7c \u0111i\u1ec1u tra \u0111\u00e1nh gi\u00e1 nh\u01b0 : Ng\u00e0y \u0111i\u1ec1u tra, \u0111\u1ecba \u0111i\u1ec3m \u0111i\u1ec1u tra, lo\u00e0i c\u00e2y, lo\u00e0i s\u00e2u h\u1ea1i, b\u1ed9 ph\u1eadn c\u1ee7a c\u00e2y b\u1ecb h\u1ea1i, t\u00ecnh tr\u1ea1ng b\u1ecb h\u1ea1i, m\u1ee9c \u0111\u1ed9 b\u1ecb h\u1ea1i tr\u00ean c\u00e2y v\u00e0 ph\u1ea7n tr\u0103m c\u00e2y b\u1ecb h\u1ea1i …<\/p>\n

-Vi\u1ec7c \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 h\u1ea1i c\u1ee7a s\u00e2u h\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y r\u1eebng, theoHutacharen 1990<\/p>\n

-D\u1ef1a tr\u00ean ch\u1ec9 ti\u00eau m\u1ee9c \u0111\u1ed9 ph\u00e1 h\u1ea1i c\u1ee7a t\u1eebng lo\u00e0i s\u00e2u (t\u1eeb trung b\u00ecnh \u0111\u1ebfn n\u1eb7ng) m\u1ed9t s\u1ed1 lo\u00e0i s\u00e2u s\u1ebd \u0111\u01b0\u1ee3c coi l\u00e0 s\u00e2u h\u1ea1i ch\u00ednh t\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y r\u1eebng<\/p>\n

-\u0110\u1ecba \u0111i\u1ec3m nghi\u00ean c\u1ee9u: c\u00e1c v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y r\u1eebng c\u1ee7a c\u00e1c trung t\u00e2m nghi\u00ean c\u1ee9u, l\u00e2m tr\u01b0\u1eddng v\u00e0 c\u00e1c h\u1ed9 gia \u0111\u00ecnh t\u1ea1i c\u00e1c t\u1ec9nh H\u00e0 T\u00e2y, Ho\u00e0 B\u00ecnh, Y\u00ean B\u00e1i.<\/p>\n

-\u0110\u1ec1 t\u00e0i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong th\u1eddi gian t\u1eeb n\u0103m 2001-2003.<\/p>\n

2. K\u1ebft qu\u1ea3 v\u00e0 nh\u1eadn x\u00e9t<\/strong><\/p>\n

2.1. K\u1ebft qu\u1ea3<\/em><\/strong><\/p>\n

\u0110\u1ec1 t\u00e0i \u0111\u00e3 ti\u1ebfn h\u00e0nh thu th\u1eadp m\u1eabu theo \u0111\u1ecbnh k\u1ef3 v\u00e0 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 h\u1ea1i c\u1ee7a ch\u00fang tr\u00ean 12 v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y r\u1eebng c\u1ee7a c\u00e1c l\u00e2m tr\u01b0\u1eddng, trung t\u00e2m v\u00e0 30 v\u01b0\u1eddn \u01b0\u01a1m c\u1ee7a c\u00e1c h\u1ed9 gia \u0111\u00ecnh t\u1ea1i c\u00e1c t\u1ec9nh H\u00e0 T\u00e2y, Ho\u00e0 B\u00ecnh, Y\u00ean B\u00e1i. Cho \u0111\u1ebfn nay \u0111\u00e3 ghi nh\u1eadn \u0111\u01b0\u1ee3c 27 lo\u00e0i thu\u1ed9c 18 h\u1ecd v\u00e0 6 b\u1ed9 (c\u00e1nh ph\u1ea5n Lepidoptera, c\u00e1nh th\u1eb3ng Orthoptera, c\u00e1nh b\u1eb1ng Homoptera, c\u00e1nh c\u1ee9ng Coleoptera, c\u00e1nh gi\u1ed1ng Isoptera, c\u00e1nh kh\u00e1c Heteroptera). K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra th\u00e0nh ph\u1ea7n lo\u00e0i v\u00e0 m\u1ee9c \u0111\u1ed9 g\u00e2y h\u1ea1i c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u1ea3ng 1.<\/p>\n","protected":false},"excerpt":{"rendered":"

M\u1ed9t trong nh\u1eefng tr\u1edf ng\u1ea1i l\u1edbn cho vi\u1ec7c gây tr\u1ed3ng và phát tri\u1ec3n r\u1eebng là v\u1ea5n \u0111\u1ec1 sâu h\u1ea1i; nh\u1eefng thi\u1ec7t h\u1ea1i do sâu h\u1ea1i không ch\u1ec9 x\u1ea3y ra \u1edf r\u1eebng tr\u1ed3ng mà còn x\u1ea3y ra ngay c\u1ea3 trong v\u01b0\u1eddn \u01b0\u01a1m. Sâu h\u1ea1i trong v\u01b0\u1eddn \u01b0\u01a1m tuy m\u1ee9c \u0111\u1ed9 và quy mô h\u1ea1i không l\u1edbn nh\u01b0 \u1edf r\u1eebng tr\u1ed3ng, nh\u01b0ng h\u1eadu qu\u1ea3 c\u1ee7a chúng t\u1ed3n t\u1ea1i lâu dài, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng sau này. Cây con trong v\u01b0\u1eddn \u01b0\u01a1m b\u1ecb sâu h\u1ea1i th\u01b0\u1eddng còi c\u1ecdc, d\u1ecb d\u1ea1ng… n\u1ebfu \u0111em tr\u1ed3ng t\u1ef7 l\u1ec7 s\u1ed1ng th\u1ea5p và sinh tr\u01b0\u1edfng kém. \u0110\u1ec3 qu\u1ea3n lý t\u1ed1t sâu h\u1ea1i t\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m cây r\u1eebng, c\u1ea7n thi\u1ebft ph\u1ea3i ti\u1ebfn hành \u0111i\u1ec1u tra thành ph\u1ea7n sâu h\u1ea1i và xác \u0111\u1ecbnh các loài sâu h\u1ea1i chính nh\u1eb1m ch\u1ee7 \u0111\u1ed9ng lên k\u1ebf ho\u1ea1ch phòng tr\u1eeb.<\/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\/8826"}],"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=8826"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8826\/revisions"}],"predecessor-version":[{"id":19072,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8826\/revisions\/19072"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}