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Related to powdery mildew: downy mildew
1. Any of various plant diseases caused by fungi, especially of the family Erysiphaceae, that produce powdery conidia on the host surface.
2. A fungus causing such a disease.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Plant Pathology) a plant disease characterized by a superficial white powdery growth on stems and leaves, caused by parasitic ascomycetous fungi of the family Erysiphaceae: affects the rose, aster, apple, vine, oak, etc
2. (Plant Pathology) any of the fungi causing this disease
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. any of various fungi of the ascomycete order Erysiphales that produce a powderlike film of mycelium on the surface of host plants.
2. the plant disease caused by powdery mildew.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||powdery mildew - any of various fungi of the genus Erysiphe producing powdery conidia on the host surface|
mildew - a fungus that produces a superficial (usually white) growth on organic matter
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