1996•Journal of Applied EntomologyRequires access

Deterrent effect of the chinaberry extract on oviposition of the diamondback moth, Plutella xylostella (L.) (Lep., Yponomeutidae)

Chien‐chung Chen, Shu‐jen Chang, R. F. Hou, Ling‐lan Cheng

Abstract

Abstract: Oviposition of the diamondback moth, Plutella xylostella (L.), was deterred by extracts from fruits of the chinaberry, Melia azedarach L., grown in Taiwan. The oviposition was significantly reduced by 49.6, 86.6 and 93.5% in choice tests and 46.2, 72.1 and 80.2% in no‐choice tests at concentrations of 0.5, 2.0 and 4.0%, respectively. In addition to ovipositional deterrence, chinaberry fruit extract showed repellency to the moth when applied to rape seedlings.

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Key concepts: Plutella, Diamondback moth, Melia azedarach, Biology, Lepidoptera genitalia, Botany, Horticulture, Meliaceae