This book is a compendium of information related to innovations, commercialization and registration of biopesticides, recent advances in mass production, formulation, extension of shelf life, delivery systems of antagonists and entomopathogens and synergistic and antagonistic response of biopesticides with agrochemicals. The information on all the important laboratory protocols and techniques in isolation, identification, selection, culturing, mass production, formulation, enhancement of shelf life and biosafety issues of bioinoculants used as Biopesticides in Horticulture crops such as Antagonistic Fungi and Bacteria, Actinomycetes, Entomopathogenic Fungi, Bacillus thuringiensis, Nuclear Polyhedrosis Viruses and Entomopathogenic Nematodes have been included for the benefit of research scientists, teachers, research scholars and students working in the field of Biopesticides.