{"id":16248,"date":"2016-06-08T09:28:31","date_gmt":"2016-06-08T02:28:31","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=16248"},"modified":"2017-07-13T17:55:15","modified_gmt":"2017-07-13T10:55:15","slug":"thong-tin-luan-an-tien-si-cua-ncs-le-van-binh","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/thong-tin-luan-an-tien-si-cua-ncs-le-van-binh\/","title":{"rendered":"Th\u00f4ng tin lu\u1eadn \u00e1n Ti\u1ebfn s\u0129 c\u1ee7a NCS L\u00ea V\u0103n B\u00ecnh"},"content":{"rendered":"

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam xin gi\u1edbi thi\u1ec7u lu\u1eadn \u00e1n c\u1ee7a NCS L\u00ea V\u0103n B\u00ecnh v\u1ec1 \u0111\u1ec1 t\u00e0i:\u00a0Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m sinh v\u1eadt h\u1ecdc v\u00e0 m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb ong \u0111en (Leptocybe invasa<\/i> Fisher & La Salle) g\u00e2y u b\u01b0\u1edbu b\u1ea1ch \u0111\u00e0n t\u1ea1i m\u1ed9t s\u1ed1 \u0111\u1ecba \u0111i\u1ec3m \u1edf mi\u1ec1n b\u1eafc Vi\u1ec7t Nam; chuy\u00ean ng\u00e0nh: Qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean r\u1eebng; m\u00e3 s\u1ed1: 62 62 02 11.<\/p>\n

T\u00d3M T\u1eaeT NH\u1eeeNG K\u1ebeT LU\u1eacN M\u1edaI C\u1ee6A LU\u1eacN \u00c1N:<\/p>\n

    \n
  1. Lo\u00e0i Ong \u0111en g\u00e2y u b\u01b0\u1edbu b\u1ea1ch \u0111\u00e0n c\u00f3 t\u00ean khoa h\u1ecdc Leptocybe invasa<\/i> Fisher & La Salle, thu\u1ed9c h\u1ecd Eulophidae, b\u1ed9 C\u00e1nh m\u00e0ng (Hymenoptera) v\u00e0 ph\u00e2n b\u1ed1 t\u1ea1i 26 \u0111\u1ecba \u0111i\u1ec3m \u1edf 9 v\u00f9ng sinh th\u00e1i \u1edf Vi\u1ec7t Nam, trong \u0111\u00f3 \u1edf Ph\u00f9 Ninh, Ph\u00fa Th\u1ecd B\u1ea1ch \u0111\u00e0n ur\u00f4 (Eucalyptus urophylla<\/i>), d\u00f2ng U6 t\u1ef7 l\u1ec7 b\u1ecb h\u1ea1i 57,2%, ch\u1ec9 s\u1ed1 b\u1ecb h\u1ea1i 2,2; c\u00f2n l\u1ea1i t\u1ea1i 25 \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c b\u1ecb h\u1ea1i nh\u1eb9 \u0111\u1ebfn trung b\u00ecnh.<\/li>\n
  2. \u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i lo\u00e0i Ong \u0111en g\u00e2y u b\u01b0\u1edbu b\u1ea1ch \u0111\u00e0n: Ong tr\u01b0\u1edfng th\u00e0nh c\u00e1i v\u00e0 ong tr\u01b0\u1edfng th\u00e0nh \u0111\u1ef1c c\u00f3 m\u00e0u \u0111en ph\u1edbt xanh \u0111\u1ebfn xanh \u00e1nh kim, k\u00edch th\u01b0\u1edbc tr\u01b0\u1edfng th\u00e0nh c\u00e1i d\u00e0i trung b\u00ecnh 1.36 mm v\u00e0 tr\u01b0\u1edfng th\u00e0nh \u0111\u1ef1c d\u00e0i trung b\u00ecnh 1.04 mm.<\/li>\n
  3. \u0110\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc lo\u00e0i O\u0110GUBB\u0110<\/li>\n<\/ol>\n

    –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 V\u00f2ng \u0111\u1eddi c\u00f3 4 pha: Tr\u01b0\u1edfng th\u00e0nh, tr\u1ee9ng, s\u00e2u non v\u00e0 nh\u1ed9ng; nu\u00f4i \u1edf \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh 28,9o<\/sup>C, \u0111\u1ed9 \u1ea9m 78,5%, th\u1eddi gian ho\u00e0n th\u00e0nh v\u00f2ng \u0111\u1eddi trung b\u00ecnh l\u00e0 131,5 ng\u00e0y. Nu\u00f4i \u1edf \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh 26,1o<\/sup>C, \u0111\u1ed9 \u1ea9m 72,5%, th\u1eddi gian ho\u00e0n th\u00e0nh v\u00f2ng \u0111\u1eddi trung b\u00ecnh l\u00e0 168,0 ng\u00e0y.<\/p>\n

    –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Lo\u00e0i Ong \u0111en g\u00e2y u b\u01b0\u1edbu b\u1ea1ch \u0111\u00e0n tr\u01b0\u1edfng th\u00e0nh xu\u1ea5t hi\u1ec7n 3 \u0111\u1ee3t g\u1ed1i nhau \u0111\u1ee3t I t\u1eeb gi\u1eefa th\u00e1ng 11 n\u0103m tr\u01b0\u1edbc \u0111\u1ebfn \u0111\u1ea7u th\u00e1ng 6 n\u0103m sau, l\u1ee9a II t\u1eeb gi\u1eefa th\u00e1ng 4 \u0111\u1ebfn gi\u1eefa th\u00e1ng 10, l\u1ee9a III t\u1eeb cu\u1ed1i th\u00e1ng 8 \u0111\u1ebfn cu\u1ed1i th\u00e1ng 12.<\/p>\n

    –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tr\u01b0\u1edfng th\u00e0nh c\u00e1i th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng sau 9 gi\u1edd s\u00e1ng v\u00e0 sau 2 gi\u1edd chi\u1ec1u v\u00e0 \u0111\u1ebb tr\u1ee9ng v\u00e0o trong l\u1edbp bi\u1ec3u b\u00ec c\u1ee7a c\u00e0nh non, cu\u1ed1ng v\u00e0 g\u00e2n l\u00e1 non b\u1ea1ch \u0111\u00e0n. V\u1ecb tr\u00ed \u0111\u1ebb tr\u1ee9ng \u1edf g\u00e2n l\u00e1, cu\u1ed1ng l\u00e1 v\u00e0 ng\u1ecdn non. Trung b\u00ecnh tr\u01b0\u1edfng th\u00e0nh c\u00e1i \u0111\u1ebb 139\u00b10.53 tr\u1ee9ng.<\/p>\n

      \n
    1. \u0110\u1eb7c \u0111i\u1ec3m sinh th\u00e1i lo\u00e0i O\u0110GUBB\u0110<\/li>\n<\/ol>\n

      –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 G\u00e2y h\u1ea1i n\u1eb7ng c\u00e2y con \u1edf v\u01b0\u1eddn \u01b0\u01a1m v\u00e0 r\u1eebng tr\u1ed3ng d\u01b0\u1edbi 2 n\u0103m tu\u1ed5i.<\/p>\n

      –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 X\u00e1c \u0111\u1ecbnh 4 lo\u00e0i thi\u00ean \u0111\u1ecbch c\u1ee7a lo\u00e0i Ong \u0111en g\u00e2y u b\u01b0\u1edbu b\u1ea1ch \u0111\u00e0n, trong \u0111\u00f3 c\u00f3 1 lo\u00e0i thi\u00ean \u0111\u1ecbch b\u1eaft m\u1ed3i l\u00e0 nh\u1ec7n Linh mi\u00eau (Oxyopes <\/i>sp.) b\u1eaft ong tr\u01b0\u1edfng th\u00e0nh; 3 lo\u00e0i c\u00f2n l\u1ea1i l\u00e0 thi\u00ean \u0111\u1ecbch k\u00fd sinh giai \u0111o\u1ea1n tr\u1ee9ng, s\u00e2u non v\u00e0 nh\u1ed9ng: (1) lo\u00e0i Ong v\u00e0ng m\u1eaft n\u00e2u <\/i>(Quadrastichus Mendeli<\/i>), (2) Ong n\u00e2u v\u00e0ng m\u1eaft \u0111\u1ecf (Aprostocetus <\/i>sp.) v\u00e0 (3) Ong n\u00e2u c\u00e1nh ch\u1ea5m <\/i>(Megastigmus <\/i>sp.);\u00a0 trong \u0111\u00f3 lo\u00e0i Q. mendeli<\/i> k\u00fd sinh tr\u1ee9ng, s\u00e2u non v\u00e0 nh\u1ed9ng r\u1ea5t ph\u1ed5 bi\u1ebfn. \u0110\u1eb7c bi\u1ec7t 03 lo\u00e0i thi\u00ean \u0111\u1ecbch k\u00fd sinh (Q. mendeli<\/i>,\u00a0 Aprostocetus <\/i>sp., Megastigmus <\/i>sp.) l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n cho khu h\u1ec7 c\u00f4n tr\u00f9ng \u1edf Vi\u1ec7t Nam.<\/p>\n

        \n
      1. C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb O\u0110GUBB\u0110<\/li>\n<\/ol>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 S\u1eed d\u1ee5ng b\u1eaby d\u00ednh m\u00e0u v\u00e0ng di\u1ec7t pha tr\u01b0\u1edfng th\u00e0nh t\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t \u0111\u1ea1t 128,1 ong \/b\u1eaby. \u1ede r\u1eebng tr\u1ed3ng m\u1ed9t n\u0103m tu\u1ed5i d\u00f9ng b\u1eaby d\u00ednh m\u00e0u v\u00e0ng \u0111\u1eb7t \u1edf \u0111\u1ed9 cao t\u1eeb 1,2 m \u0111\u1ebfn1,6 m \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e2y B\u1ea1ch \u0111\u00e0n tr\u1eafng \u0111\u01b0\u1ee3c nhi\u1ec5m n\u1ea5m B\u1ea1ch c\u01b0\u01a1ng (Beauveria bassiana<\/i>) ch\u1ee7ng Bb3 sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n nhanh h\u01a1n, t\u1ec9 l\u1ec7 v\u00e0 ch\u1ec9 s\u1ed1 b\u1ecb h\u1ea1i do lo\u00e0i Ong \u0111en g\u00e2y u b\u01b0\u1edbu b\u1ea1ch \u0111\u00e0n g\u00e2y ra th\u1ea5p h\u01a1n so v\u1edbi c\u00e2y con kh\u00f4ng \u0111\u01b0\u1ee3c nhi\u1ec5m n\u1ea5m. Chi\u1ec1u cao c\u1ee7a c\u00e2y con nhi\u1ec5m n\u1ea5m cao h\u01a1n 33,2% v\u00e0 t\u1ef7 l\u1ec7 b\u1ecb h\u1ea1i gi\u1ea3m 82,1% so v\u1edbi \u0111\u1ed1i ch\u1ee9ng l\u00e0 c\u00e2y con kh\u00f4ng nhi\u1ec5m n\u1ea5m. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u tr\u00ean m\u1edf ra m\u1ed9t tri\u1ec3n v\u1ecdng m\u1edbi trong ph\u00f2ng tr\u1eeb s\u00e2u h\u1ea1i tr\u00ean c\u00e2y tr\u1ed3ng n\u00f3i chung v\u00e0 c\u00e2y r\u1eebng n\u00f3i ri\u00eang.<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 S\u1eed d\u1ee5ng thu\u1ed1c ho\u00e1 h\u1ecdc actara 25 WG \u0111\u1ec3 ph\u00f2ng tr\u1eeb lo\u00e0i Ong \u0111en g\u00e2y u b\u01b0\u1edbu b\u1ea1ch \u0111\u00e0n gi\u1ea3m 94,4% ong tr\u01b0\u1edfng th\u00e0nh v\u0169 h\u00f3a so v\u1edbi \u0111\u1ed1i ch\u1ee9ng.<\/p>\n

        Chi ti\u1ebft lu\u1eadn \u00e1n v\u00e0 t\u00f3m t\u1eaft xem t\u1ea1i \u0111\u00e2y:\u00a0T\u00f3m t\u1eaft lu\u00e2n \u00e1n<\/a>\u00a0v\u00e0\u00a0Luan an<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

        Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam xin gi\u1edbi thi\u1ec7u lu\u1eadn \u00e1n c\u1ee7a NCS L\u00ea V\u0103n B\u00ecnh v\u1ec1 \u0111\u1ec1 t\u00e0i:\u00a0Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m sinh v\u1eadt h\u1ecdc v\u00e0 m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb ong \u0111en (Leptocybe invasa Fisher & La Salle) g\u00e2y u b\u01b0\u1edbu b\u1ea1ch \u0111\u00e0n t\u1ea1i m\u1ed9t s\u1ed1 \u0111\u1ecba \u0111i\u1ec3m \u1edf mi\u1ec1n b\u1eafc Vi\u1ec7t […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[42,66,1],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/16248"}],"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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=16248"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/16248\/revisions"}],"predecessor-version":[{"id":17182,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/16248\/revisions\/17182"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=16248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=16248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=16248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}