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| Study on Antifeeding Action of Tea Saponin on Larvae of the Imported Cabbage Worm Pieris rapae (Linnaeus) |
| Wang Xiaoyi; Huang Bingqiu |
| Laboratory of Insect Toxicology; South China Agricultural University; Guangzhou 510642 |
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Abstract Antifeedants have special effects on protecting vegetables from being damaged and keeping its leaves integrated and nice. Tea saponin is a kind of botanical pesticide,which is safe to man,livestock,and environment. Antifeeding actions of tea saponin on P. rapae 3,4 and 5 instar larvae were determined systematically. Results indicated that tea saponin had very strong antifeeding actions on P. rapae 3,4 and 5 instar larvae when its concentrations were above 800mg·L -1 . The AFC 50 s at 24 ho...
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Received: 01 January 1900
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