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美国白蛾的生物防治研究
引用本文:蔡三山,洪承昊,王义勋,查玉平,黄昌建,陈京元.美国白蛾的生物防治研究[J].湖北林业科技,2013(1):30-31,81.
作者姓名:蔡三山  洪承昊  王义勋  查玉平  黄昌建  陈京元
作者单位:1. 湖北省林业科学研究院 武汉430075
2. 江苏省南通功成精细化工有限公司 南通226407
摘    要:作者通过浸虫法和浸叶法分别测定了苦参碱和虫酰肼对美国白蛾3龄幼虫的室内生物活性,结果如下:苦参碱对美国白蛾3龄幼虫的毒力回归方程为y=4.043 9+0.713 1x,其致死中浓度LC50为21.915 2 mg/L,LC90为1 373.543 9 mg/L;虫酰肼对美国白蛾的毒力回归方程为y=4.431 2+0.689 1x,其致死中浓度LC50为6.689 6 mg/L,LC90为484.307 mg/L。

关 键 词:美国白蛾  苦参碱  虫酰肼  毒力测定

Study on Biological Control of Hyphantria cunea (Drury)
Cai Sanshan,Hong Chenghao,Wang Yixun,Zha Yuping,Huang Changjian,Chen Jingyuan.Study on Biological Control of Hyphantria cunea (Drury)[J].Hubei Forestry Science and Technology,2013(1):30-31,81.
Authors:Cai Sanshan  Hong Chenghao  Wang Yixun  Zha Yuping  Huang Changjian  Chen Jingyuan
Institution:1)(1.Hubei Academy of Forestry Wuhan 430075;2.Nantong Gongcheng Fine Chemical Co.,Ltd.in Jiangshu Province Nantong 226407)
Abstract:Abstract: This essay tested the biological activities of matrine and tebufenozide against 3 instar larvae of Hyphantria cunea by larval dipping and leaf dipping methods; the results are as follows: The regression equation of against 3 instar larvae of Hyphantria cunea was y=4.0439+0.7131x, and the lethal concentration of LC50 was 21.9152mg/L, and LC90 was 1373.5439 mg/L; The regression equation of tebufenozide against 3 instar larvae of Hyphantria cunea was y=4.4312+0.6891x, and the lethal concentration of LC50 was 6.6896mg/L, and LC90 was 484.307mg/L.
Keywords:Hyphantria cunea(Drury)  Matrine  Tebufenozide  Toxicity Assay
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