2006•Journal of Entomological ResearchRequires access

Efficacy of karanjin and different extracts of Pongamia pinnata against selected insect pests.

Vishal Kumar, Krishnappa Chandrashekar, Om Prakash Sidhu

Abstract

Methanolic extracts of crude seed oil of Pongamia pinnata (Karanj) showed the maximum growth reduction and antifeedancy against the larvae of S. litura (EC50: 0.11 and 0.21% respectively) and was also most toxic to Trogoderma granarium (EC50: 35.1 μg/insect) whereas karanj leaves (EC50: 19.9 μg/insect) exhibited the toxicity against Tribolium castaneum. Crude seed oil of karanj showed the maximum repellency (EC50: 0.2 mg/cm2) against T. granarium.

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Key concepts: Pongamia, EC50, Toxicology, Trogoderma granarium, Insect, Traditional medicine, Biology, Toxicity