Evaluation of botanical powders and extracts from Nigerian plants as protectants of maize grains against maize weevil, (Motschulsky) [Coleoptera: Curculionidae].

Toxicities of leaf powders and extracts of and against maize weevil ( were evaluated. Powders were tested at dose 3.0g/20g while extracts were tested at concentration 3%/20g of maize grains.