Biopesticides Theoretical and applied aspects of Biopesticide potency, Antioxidant and Antifungal activity of aqueous leaf extract of Carica papaya. The various biologically active natural substances that exist in nature and have inhibitory effects on crop diseases and insect pests. The biopesticide defines compounds that are used to manage agricultural pests by means of specific biological effects rather than as broader chemical pesticides. It refers to products containing biocontrol agents i.e., natural organisms or substances derived from natural materials (such as animals, plants, bacteria, or certain minerals), including their metabolites, for controlling pests and sustainable management of the Environment.