2014 Volume 56 Pages 17-20
Successional changes in powdery mildews prevailing in greenhouse tomatoes were examined during the rotated cultivation of susceptible and resistant hosts. The pathogens, forming eight-conidial pseudochains, were separated from pathogens forming four-conidial pseudochains and dominated throughout the planting of resistant wild tomato plants. These pathogens were identified as KTP-03 and -04 of Oidium neolycopersici.