Biopesticides For Sustainable Agriculture
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About this eBook
PREFACE Biopesticides are derived from natural organisms or their genes or metabolites that are used to protect crop plants against damaging pests. Due to the host specificity and efficiency in pests management, these are viewed as an alternative to chemical pesticides. Wide spread resistance to synthetic pesticides, unacceptable negative consequences especially environmental pollution and damage to won target organisms, pesticidal residue on crop produce and pests resurgence have necessitated to the comprehensive solution to pests and disease management. The dependency of pest management on biopesticides in increasing slowly but steadily. They represent only 2.89 of the overall pesticide market in India and is expected to exhibit an annual growth rate of about 2.3 in the coming years. In India, so far only 12 types of biopesticides have been registered under the Insecticide Act, 1968. neem based pesticides, Bacillus thuringiensis, NPV and Trichoderma are the major biopesticides produced and used. The increasing interest of researchers, policy planners and consumers in ecofriendly techniques it was - felt essential to compile the information available on scenario, status, commercial production quality control of biopesticides and their recommendation for different crop ecosystem. The improvement of biopesticides and role of biotechnology in improving the efficacy and production techniques are another important issues to be address. The deliberations made by various scientists during the summer school on 15th June to 5th July 2012 have been compiled and edited in the form of a book for students, teachers, extension functionaries who are directly or indirectly associated with the agriculture.
ABOUT THE BOOK The role being played by small microbial and tiny insects for the management of noxious insect pests is unparallel. These are contributing significantly in pest population reduction in agrohorticultural ecosystem. The diversity of microorganisms and bioagents are providing solutions to many loss causing agents like phytophagous and weedy insects, mites, fungus, bacteria, virus etc. the increasing trend of organic farming has also accelerated the utilization of farmer s friendly organisms i.e. biopesticides. Keeping in view of research advancements and adoption of biopesticides, the book has been written which contains 36 important chapters including 20 chapters on principle and application of biopesticides in agroecosystem and 16 other related chapters like scope in organic farming, use of biotechnology for improvement or efficacy scenario and status of biological control and IPM in India importance of insect biosystematics, monitoring and sampling of pest population and changing scenario of disease in Bt cotton. Detailed information has been given on type, scope, use of biopesticides, dosage and method of application, mode of action, target pests and their merit and demerit after use. An effort also has been made to present the work on interaction of plant and microbes and the commercial multiplication technique of antagonistic fungi. The importance of entomopathogenic