powdery mildew
Noun
Meaning
any of various fungi of the genus Erysiphe producing powdery conidia on the host surface
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Antonyms
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Examples
It has a good efficacy against a wide range of powdery mildew diseases as well as black spot.
Millerandage and coulure can also pose problems, along with powdery mildew attacking the thin skin of the grapes.
Remove any leaves infected with rust, powdery mildew or black spot from the ground so the spores don’t overwinter in the soil.
Unfortunately, powdery mildew can survive from one season to the next.
PMR indicates some degree of powdery mildew resistance; afila types, also called semi-leafless, have clusters of tendrils instead of leaves. citation Unless otherwise noted these are so called dwarf varieties which grow to an average height of about 1m.