The subtropical climatic conditions under which the fruit trees are growing in Egypt, permit for various pests and diseases to be active and present throughout the growing season. Among which, plant- parasitic nematodes are the most serious problems of the long-term perennial trees and vine crops. Consequently, the objectives of this work were designated to study the following aims of view: 1- Survey and seasonal fluctuations study on plant- parasitic nematode genera associated with fruit orchards in Ismailia Governorate, Egypt. 2- Identification of surveyed root-knot nematodes using...