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What plants does powdery mildew affect?

Asked by Travis Clark on September 16, 2021

Categories: Home and garden Home improvement


Rating: 4.5/5 (47 votes)

Many common edible and ornamental garden plants are affected including apple, blackcurrant, gooseberry, grapes, crucifers, courgettes, marrows, cucumbers, peas, grasses (the powdery mildew fungi are major pathogens of cereal crops), Acanthus, delphiniums, phlox, many ornamentals in the daisy family, Lonicera (

Who discovered downy mildew? The disease was first described in 1862 in England and from then into the early 1900s was reported throughout Europe. Downy mildew on roses had spread to the Midwestern UnitedStates by 1880s and has more recently been seen in all parts of the UnitedStates. It also occurs on roses in Canada, New Zealand and Australia.

Will powdery mildew go away on its own? Even though powdery mildew will not generally kill a plant by itself, the plant or tree will become more susceptible to other problems andits appearance will be unsightly.

What is the scientific name for downy mildew? Peronospora sparsa