black rot (Ceratocystis fimbriata ) on sweetpotato (Ipomoea batatas ) - 1563471

black rot
Ceratocystis fimbriata (Ellis & Halst.) Sacc.

Host: sweetpotato (Ipomoea batatas (L.) Lam.)
Descriptor: Symptoms
Description: Top root healthy.   The disease can also involve feeder roots, stems and cause severe losses in the plant bed, field, and in storage.  The rot usually does not penetrate deeper than the vascular ring.  Tissue near the rot has a bitter taste.  Long beacked perithecia with with viscous mass of ascospores at the tip occur on the surface of the rot.  (cv.Centennial)
Image type: Laboratory
Image location: North Carolina, United States

Photographer Information

Name: Charles Averre
Organization: North Carolina State University
Country: United States

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Image Number: 1563471

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Image Citation:(?) Charles Averre, North Carolina State University, Bugwood.org

Node Affiliation: University of Georgia

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Image uploaded on Thursday, January 22, 2009
Image Information last updated on Wednesday, August 11, 2010