TOXICITY OF Piper guineense SCHUM AND THONN AND Chlorpyrifos POWDERS FOR THE CONTROL OF Callosobruchus subinnotatus (Pic.) ON STORED Vigna subterranea (L.) Verdcourt IN GOMBE STATE, NIGERIA. FJS [Internet]. 2021 Jul. 7 [cited 2025 Sep. 8];5(2):358-64. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/625