Indigenous-plant extracts as larvicidal agents against Culex quinquefasciatus Say

被引：54

作者：

Karmegam, N ^{[1
]}

Sakthivadivel, M ^{[1
]}

Anuradha, V ^{[1
]}

Daniel, T ^{[1
]}

机构：

[1] DEEMED UNIV,GANDHIGRAM RURAL INST,FAC RURAL ORIENTED SCI,DEPT BIOL,GANDHIGRAM 624302,INDIA

来源：

BIORESOURCE TECHNOLOGY | 1997年 / 59卷 / 2-3期

关键词：

Culex quinquefasciatus; petroleum ether extract; acute toxicity; A-mexicana; laboratory-colonised larva; field collected larva; larval-pupal intermediate; half ecdysis; mortality;

D O I：

10.1016/S0960-8524(96)00157-5

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Bioassay studies of the laboratory-colonised larvae (LCL) and field-collected larvae (FCL) of Culex quinquefasciatus with Jive different concentrations of 12 different plant extracts (petroleum ether solvent) showed that the extracts of Argemone mexicana, Jatropha curcus, Pergularia extensa and Withania somnifera had acute toxicity. The benzene extracts of these four plants were tested for their toxic effects on LCL and FCL. Argemone mexicana showed acute toxicity and observations made at 31.25 ppm concentration showed larval and pupal mortality; larval-pupal intermediates; half ecdysed organisms and prolonged larval and pupal duration. (C) 1997 Elsevier Science Ltd.

引用

页码：137 / 140

页数：4

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