This book contains a total of 11 chapters, some of which focus on the thrusts caused by phytonematodes and their management in various crops, such as cereals, forage, pulses, seed spices, horticultural, and plantation crops. Additionally, some chapters discuss protective cultivation and the interaction between nematodes and phytopathogens. The author of this book has compiled recent literature on related topics, ensuring that the information included is up-to-date and accurate. It is anticipated that this book will serve as a valuable reference for researchers and scientists in related fields.