Knowledge Needs of Agricultural Extension Agents in the Biological Control of Some Diseases and Pests of the Potato Crop in Some Governorates of Egypt.

This research aims to determine the degree of knowledge needed by agricultural extension agents researching biological control some diseases and pests potato crop in governorates Egypt. As well as determining differences between studied concerning their for crop. Moreover, relationship total on each following independent variables: age, educational qualification, specialization, work period Ministry Agriculture, extension, training courses, information sources. identify sources respondents' related problems Finally, identifying most critical topics suggested respondents be included program