Witches broom fungus

:
Agaricomycetes > Agaricales > Tricholomataceae > Crinipellis perniciosa (Stahel) Singer

3 records

<View Thumbnails>

Image Descriptor Description Photographer
1319062 Fruiting Bodies Spores released from the fan-shaped basidiocarp of this inch-wide Crinipellis perniciosa mushroom can infect cacao trees and drastically reduce yields of the beans from which cocoa and chocolate products are made. Scott Bauer
1317028 Sign A branch of a cacao tree in western Ecuador killed by witches’ broom disease. Protruding from some leaf midveins are whitish fungal structures that send thousands of spores onto other trees James A. Saunders
1319061 Symptoms Pathogenic fungi that cause witches' broom on cacao tree limbs and trunks also attack pods, destroying the valuable beans inside. Scott Bauer


footer line
USDA Forest Service The Bugwood Network University of Georgia

Home | Image Usage | Accessibility Policy | Privacy Policy | Disclaimers | Contact Us

Last updated on Thursday, May 29, 2008 at 09:37 AM
www.forestryimages.org version 2.0, XHTML 1.1, CSS, 508.