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Antifeedant and oviposition-deterring activity of total ginsenosides against Pieris rapae
Aihua Zhang1, Zhinqing Liu1, Fengjie Lei1,2
1College of Chinese Medicinal Materials, Jilin Agricultural University, Ginseng Engineering and technology Research Centre of Jilin, Changchun 130118, China.
Abstract:
The purpose of this study was to evaluate the antifeedant and oviposition-deterring activity of total ginsenosides against P. rapae. Total ginsenosides exhibited increased antifeedant effects against P. rapae. The highest nonselective and selective antifeedant activity were observed at 2.0% concentration where ginsenosides caused antifeedant percentages of 86.09 and 88.90, respectively. The total ginsenosides showed significantly oviposition-deterring activity of 77.78% against oviposition of P. rapae at 1.0% concentration. Total ginsenosides had antifeeding activity against P. rapae and inhibitory effects on its oviposition. Ginsenosides could be used as an agent to prepare botanical new pesticidal formulations.
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