| 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.