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

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    Symptoms (6)
    Sign (1)

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    Sweetpotato (6)
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Image Descriptor Description
1563470 Symptoms 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. Jewel, Dec82)
1563471 Symptoms 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)
1563472 Symptoms 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.PortoRico?)
1563473 Symptoms 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.PortoRico?)
1563475 Sign 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.Jewel, Dec78)
1563476 Symptoms 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.Jewel, Dec78)
5366672 Symptoms Black canker (Ceratocystis fimbriata) on an aspen tree.

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