The book deals essentially with the aspects that are of immediate concern to new researchers in the filed of botanicals and natural products. It presents the first comprehensive overview of the plant products since they were introduces 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 plant, extraction of plant products, characterization and formulation and bioassay of extracts, 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.