Powdery mildew (vine)

What you see

Grey-white powdery film on leaves and young berries; berries split and rot; smells faintly of mushrooms in bad cases.

Conditions

Warm dry summers with shaded dense canopies.

Treatment

Sulphur at first sign, repeated; strip leaves around bunches for light and air.

Prevention

Sulphur early in the season; prune for an open canopy; resistant varieties.

Months: May

Plants

Grape

Remedies

Not recorded — the field is blank rather than guessed.

The thing people get wrong

Not recorded — the field is blank rather than guessed.