Toward Raising Cucumber Plants Defense To Pathogen Attack

Survey and distribution of cucumber root-rot and dampingoff diseases of different localities at el-sharkia governorate. Pathogenicity tests and interaction betweenthe pathogenic fungal genera that causing damping off and root-rot diseases of cucumber varieties Induced resistance by seedsoakingand foliar treatments wit different isolated soil borne fungi and/or chemical inducers (ethephon; acetyl saliylic acid and k2HPO4). Induced resistance by seed dressing treatments withdifferent plant extractions (camphor, neem and ficus leaves extracts).