Synopsis Indiscriminate use of pesticides for the control of plant diseases and pests is no longer permissible due to risk of environmental and health hazards to human beings, animal and other beneficial organisms. Biological control has attracted attention as an important components of Integrated Pest Management System in recent times inspite of its independent use. The book contains 23 chapters covering holistic information on biocontrol management of fungal, bacterial, nematode and insect pests of economically important plants. Detailed information is given on Fungi in the management of plant parasitic nematodes. The book will be useful to all students and researchers in plant pathology, microbial ecology, mycology, botany and agriculture.