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作 者:欧晓明[1] 王永江[1] 裴晖[1] 林雪梅[1] 喻快[1]
机构地区:[1]湖南化工研究院农药剂型研究所国家南方农药创制中心湖南基地,长沙410007
出 处:《现代农药》2005年第5期13-17,共5页MODERN AGROCHEMICALS
基 金:国家"十五"科技攻关项目(2004BA308A23-12)
摘 要:HNPC-A2005,化学名称:1-(3-氟-4-氯苯基)-2-甲硫基乙酮肟-O-(2-甲基联苯基-3-甲基)醚,是湖南化工研究院国家南方农药创制中心湖南基地自行研制的、具有自主知识产权的新型杀虫剂。本文就新农药HNPC-A2005对同翅目昆虫的杀虫活性及田间防治效果进行了研究。室内生测结果表明,HNPC-A2005对蚜虫和叶蝉等多种害虫具有良好的杀虫活性,且在试验过程中还发现该化合物具有对昆虫击倒作用快的特点,但内吸较弱。温室盆栽模拟试验和田间试验结果证实,HNPC-A2005对菜蚜和茶小绿叶蝉具有良好的防治效果,施用剂量为5ga.i./667m2时药后3d对茶小绿叶蝉的防治效果达到75%以上,且对有益天敌昆虫和作物安全。HNPC-A2005, 1-(3-fluoro-4-chlorophenyl)-2-methylthio acetyl ketone oxime-O-(2-methylbiphenyl-3-methyl) ether, is a novel oxime insecticide discovered and developed by Hunan Branch of the National Pesticide R & D South Center. Toxicity, mode of action and field efficacy of HNPC-A2005 was evaluated against the homopterous insects. Bioassay results at the laboratory showed that HNPC-A2005 had good insecticidal and a weak systemic activity to the homopterous insects such as green rice leafhopper (Nephotettix cincticeps) and aphids (Aphisfabae). Quick knockdown action was also observed during the experiment. Greenhouse pot test and field trials demonstrated that HNPC-A2005 exhibited a good control efficacy against tea leafhoppers (Empoasca spp) and a low control efficacy against green peach aphid (Myzuspersicae). HNPC-A2005 had a control efficacy of more than 75% against tea leafhoppers three days after application at the dosage of 5 g a.i./667m^2, and was safe to beneficial insects and crops.
关 键 词:HNPC-A2005 杀虫活性 作用方式 田间药效
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