Potential insecticidal effects of Valeriana jatamansi and Isodon rugosus against Acanthoscelides obtectus (Say) (Coleoptera, Chrysomelidae), a pest of Phaseolus vul
The insecticidal efficacy of Valeriana jatamansi and Isodon rugosus was evaluated against the bean weevil Acanthoscelides obtectus (Say), a pest of Phaseolus vulgaris L. The rhizome and leaves extracts from V. jatamansi and I. rugosus were prepared by using both acetone and methanol solvents and five concentrations of...