Class  Ascomycetes
 Sub-Class   Hymenomycetidae 
 Order  Erysiphales
 Family  Erysiphaceae
 Pathogen  Uncinula necator
 Host plant   Grapes

The disease powdery mildew of grapes is world-wide in distribution. In India the disease powdery mildew of grapes appears in epidermic form periodically after some year causing great loose to the crop of grapes.


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