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60种植物提取物对小菜蛾的杀虫活性筛选
引用本文:邓志勇,邓业成,刘艳华,张有生,龙强,苏春田.60种植物提取物对小菜蛾的杀虫活性筛选[J].河南农业科学,2007(9):57-60.
作者姓名:邓志勇  邓业成  刘艳华  张有生  龙强  苏春田
作者单位:广西师范大学,生命科学学院,广西,桂林,541004
基金项目:广西应用基础研究专项基金
摘    要:用浸虫浸叶法测定了广西地区60种植物甲醇提取物对小菜蛾Plutella xylostella(L.)三龄幼虫的生物活性,结果表明,对小菜蛾具有较高毒杀活性(校正死亡率50%以上)的植物有山茶科的木荷、油茶,茄科的颠茄,大戟科的三年桐,含羞草科的猴耳环,即4科5种,其中木荷的毒杀活性最高,72 h后的校正死亡率达到100%。其次为油茶、颠茄、三年桐、猴耳环,72 h后的校正死亡率分别为98.50%,84.60%,66.70%,59.00%。

关 键 词:植物提取物  生物活性  小菜蛾
文章编号:1004-3268(2007)09-0057-04
修稿时间:2007-05-12

Screening on the Insecticidal Activities of 60 Plant Extracts against Plutella xylostella (L.)
DENG Zhi-yong,DENG Ye-cheng,LIU Yan-hua,ZHANG You-sheng,LONG Qiang,SU Chun-tian.Screening on the Insecticidal Activities of 60 Plant Extracts against Plutella xylostella (L.)[J].Journal of Henan Agricultural Sciences,2007(9):57-60.
Authors:DENG Zhi-yong  DENG Ye-cheng  LIU Yan-hua  ZHANG You-sheng  LONG Qiang  SU Chun-tian
Institution:College of Life Science, Guangxi Normal University, Guilin 541004, China
Abstract:The bioactivities of methanol extracts from 60 plants against 3rd instar Plutella xylostella(L.) collected in Guangxi were determined by leaf-dipping method and larva-dipping method in this paper.The results showed that 5 species of 4 families had high poisonous activity,with an adjustment mortality of more than 50%,including Schima superba family Schima superba Gardn.et Champ and Camellia oleifera Abel,Solanaceae family Atropa belladonna,Euphorbiaceae family Vernicia fordii Hemsl,and Mimosaceae family Pithecellobium clypearia.Among them,the Schima superba showed the highest poisonous activity,with an adjustment mortality of 100% after 72h,following by Camellia oleifera Abel,Atropa belladonna,Vernicia fordii Hemsl and Pithecellobium clypearia(98.50%,84.60%,66.70%,59.00%,respectively)
Keywords:Plant extract  Bioactivity  Plutella xylostella(L  )
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