The book deals essentially with the aspects that are of immediate concern to new researchers in the field of botanicals and natural products. It presents the first comprehensive overview of the plant products since they were introduced in the pest management covering both theoretical and practical applications. This book covers the key aspects of the plant products including: Natural pest management agents from plants, extraction of plants products, characterization and formulation and bioassay of extracts against different pests. The book reports for the first time in the field of botanicals, a study on the stability of the prepared extracts towards their various biological activity against different microbial and stored grain pests through a large number of the prepared extracts and formulations in both water and organic media.