Aydın, Mehmet HadiGöre, Mehmet Erhan2021-06-232021-06-2320101125-4653https://hdl.handle.net/20.500.12491/6628https://www.webofscience.com/wos/woscc/full-record/WOS:000208470600010The main production areas of tomato (Solanum lycoper-sicum) in Turkey are in the South Marmara and Aegean re-gions, with a production of about 45% and 20% of the to-tal crop at the national level, respectively. Powdery mildew,caused by Leveillula taurica (Lév.) G. Arnaud, is a majorproblem in several countries. Until recently, the diseasewas not considered serious in the Batak plain (south Mar-mara region), where about 14,500 ha are planted withtomato. During 2007-2009 severe outbreaks of powderymildew, affecting as much as 100% of the plants, occurredin this area, resulting in ca. 45% yield loss and lower quali-ty of the crop.eninfo:eu-repo/semantics/closedAccessTomato PowderyEditorial924S107S107WOS:000208470600010Q3