horsehair blight

horsehair blight

[′hȯrs‚her ‚blīt]
(plant pathology)
A fungus disease of tea and certain other tropical plants caused by Marasmius equicrinis and characterized by black festoons of mycelia hanging from the branches.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.