Due to the importance of powdery mildew disease in the conditions of protected agriculture in abiotic factors in controlling powdery mildew diseases can be considered a safe alternative to fungicides. particular and exposed in general, this article aimed to study the possibility of stimulating plant resistance against powdery mildew disease by using abiotic stimuli and to investigate its preventive and curative effectiveness in controlling the disease in order to reduce the problems of using chemical pesticides and their negative effects on the environment.