LABORATORY EVALUATION OF FOUR PLANT POWDERS FOR THE MANAGEMENT OF COWPEA WEEVIL Callosobruchus maculatus (F) (COLEOPTERA: Chrysomelidae) IN STORED COWPEA, Vigna unguiculata (L) Walp.  

2021-06-06
A study was conducted in the laboratory of the Department of Crop Protection, Faculty of Agriculture, Bayero University Kano to evaluate the insecticidal effect of leaf powders of four locally ...