Pesticides and Plant Protection Appliances is a comprehensive manual designed for students and educators specializing in plant protection. The primary objective of this book is to impart knowledge on the rational use of pesticides in plant disease and pest management. The manual comprises 44 chapters that cover a range of topics related to pesticides and plant protection, including their definition, advantages and disadvantages, classification, registration procedures, laboratory and field evaluation methodology, pesticide resistance and its management, residues and environmental pollution, spraying technology, and need-based reduced risk pesticide use, among others. This manual will be of great use to researchers, teachers, extension specialists, and students of plant protection, as well as crop pathologists, plant protectionists, and personnel of agricultural and horticultural departments.