摘要
斜纹夜蛾和甜菜夜蛾是世界性的多食性大害虫,在大发生时,会给农作物造成巨大的经济损失。为了筛选出对这两种害虫具有良好防治效果的农药,采用浸叶法测定氟虫腈、阿维菌素、异丙威、噻虫嗪、氯虫苯甲酰胺、茚虫威6种农药对两者的杀虫活性。结果表明:氯虫苯甲酰胺对这两种害虫具有最好的杀虫活性。6种农药对斜纹夜蛾毒力测定的结果为:氯虫苯甲酰胺(LC50=0.15mg/L)>茚虫威(LC50=6.13mg/L)>氟虫腈(LC50=35.73 mg/L)>噻虫嗪>阿维菌素=异丙威。六种农药对甜菜夜蛾毒力测定的结果为:氯虫苯甲酰胺(LC50=0.15mg/L)>茚虫威(LC50=0.88mg/L)>噻虫嗪(LC50=6.61mg/L)>阿维菌素(LC50=11.40mg/L)>氟虫腈(LC50=53.45mg/L)>异丙威。
Prodenia litura and beet armyworm are polyphagy insects which are widely distributed in the world.When these two species occur,they will cause huge economic losses to the crops.In order to screen out the pesticides with good control effect against the two pests,the insecticidal activity of six pesticides such as fipronil,avermectins,isoprocarb,thiamethoxam,chlorantraniliprole,indoxacarb was determined by immersion method.The preliminary results showed that chlorantraniliprole had the best insecticidal activity for both pests.Based on the Comparison of the experimental results,the order of the toxicity of the six pesticides on prodenia litura was:chlorantraniliprole(LC50=0.15mg/L)>indoxacarb(LC50=6.13mg/L)>fipronil(LC50=35.73mg/L)>thiamethoxam>avermectins=isoprocarb.And the order on armyworm was:chlorantraniliprole(LC50=0.15mg/L)>indoxacarb(LC50=0.88mg/L)>thiamethoxam(LC50=6.61mg/L)>avermectins(LC50=11.40mg/L)>fipronil(LC50=53.45mg/L)>isoprocarb.
作者
杨莹莹
赖晓依
赖多
匡石滋
邵雪花
刘秀
YANG Ying-ying;LAI Xiao-yi;LAI Duo;KUANG Shi-zi;SHAO Xue-hua;LIU Xiu(Key Laboratory of Pesticide Application in Hunan Province & Farmland Weed ControlTechnology and Application Collaborative Innovation Center, Loudi 417000, China;Institute of Pomology, Guangdong Academy of Agricultural Science,Guangzhou 510640, China)
出处
《湖南人文科技学院学报》
2017年第6期107-113,共7页
Journal of Hunan University of Humanities,Science and Technology
基金
国家自然科学基金青年基金“以Ec R为靶点的系列新型嘧啶酮双酰肼衍生物的合成及构效关系研究”(31401789)
湖南省自然科学基金“嘧啶二酮类双酰肼的结构改造及其蜕皮激素活性”(2015JJ6047)
湖南省高校创新平台开放基金“靶向杀虫分子设计、合成及活性研究”(14K052Ec R)
广东省科技计划项目“杀虫防病两用的发光杆菌可湿性粉剂研究及其作用”(2015A020209056)
关键词
斜纹夜蛾
甜菜夜蛾
化学防治
杀虫活性
prodenia litura
beet armyworm
chemical control
insecticidal activity
作者简介
杨莹莹(1995—),女,湖南岳阳人,湖南人文科技学院农业与生物技术学院2017届毕业生。;刘秀(1984—),女,苗族,湖南泸溪人,湖南人文科技学院农业与生物技术学院讲师,博士,通迅作者研究方向:植物保护。
