Insecticidal activities of tea saponin against diamondback moth, Plutella xylostella and aphid, Aphis craccivora

被引:28
作者
Dolma, Shudh Kirti [1 ]
Sharma, Eshita [2 ]
Gulati, Ashu [2 ]
Reddy, S. G. Eswara [1 ]
机构
[1] CSIR Inst Himalayan Bioresource Technol, Entomol Lab, Palampur, Himachal Prades, India
[2] CSIR Inst Himalayan Bioresource Technol, Insert Food & Nutraceut Div, Palampur, Himachal Prades, India
关键词
Saponin; diamondback moth; aphid; toxicity; repellent; BIOLOGICAL-ACTIVITIES; RESISTANCE; COLEOPTERA; MANAGEMENT;
D O I
10.1080/15569543.2017.1318405
中图分类号
R99 [毒物学(毒理学)];
学科分类号
100405 ;
摘要
Insecticidal activities of tea saponin were evaluated against larvae of diamondback moth, Plutella xylostella (L.) and aphid, Aphis craccivora Koch. In residual toxicity assay, saponin was found more effective against second instar larvae of P. xylostella (LC50=2106.32mg L-1) and A. craccivora (LC50=540.79mg L-1) after 96h as compared to positive control. In repellent activity study, saponin at 4000mgL(-1) showed higher repellence (48.57%) to third instar larvae of P. xylostella. However, feeding preference index (PI) of saponin was less in higher concentration (0.63) against third instar larvae of P. xylostella.
引用
收藏
页码:52 / 55
页数:4
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