The "dirt-like" blackish areas on the tuber are sclerotia, the resting stage of rhizoctonia solani.Host/Plant: Potato (Solanum tuberosum subsp. tuberosum)Pest/Path: Rhizoctonia Canker and Black Scurf (Rhizoctonia solani
Close-up of common scab on a potato tuber.Host/Plant: Potato (Solanum tuberosum subsp. tuberosum)Pes...
Leaflets will often have a curled or rolled appearance.Host/Plant: Potato (Solanum tuberosum subsp. ...
Close-up of common scab on a potato tuber.Host/Plant: Potato (Solanum tuberosum subsp. tuberosum)Pes...
The "dirt-like" blackish areas on the tuber are sclerotia, the resting stage of rhizoctonia solani.H...
These sclerotia are commonly known in the trade as, "the dirt that won’t wash off". Other than being...
Young potato plant infected with "rhizoc". Notice an abundance of aerial tubers.Host/Plant: Potato (...
Tubers from rhizoc infected plants often form at the soil surface and have a greenish color.Host/Pla...
Rhizoctonia solani is seedborne and soilborne. The photograph shows a rhizoc infected plant in a wi...
Necrotic root tissue and misshaped tubers are symptoms of "rhizoc" infection.Host/Plant: Potato (Sol...
Field appearance of "rhizoc" infected plants. A late bloom such as shown is often indicative of rhi...
Rhizoc-infected potato plant showing the "dumb bell" shaped tuber. This is often a problem with a hi...
Rhizoc infected stem of potato plant. The conducting vessels are essentially occluded and allows for...
Rhizoc is a common disease of potato particularly when grown under cool conditions.Host/Plant: Potat...
Tuber with sclerotia and "growth crack" that may or may not be associated with a pathogenic organism...
Very typical blackleg lesions on tubers. Very difficult to store tubers such as these for long term...
Close-up of common scab on a potato tuber.Host/Plant: Potato (Solanum tuberosum subsp. tuberosum)Pes...
Leaflets will often have a curled or rolled appearance.Host/Plant: Potato (Solanum tuberosum subsp. ...
Close-up of common scab on a potato tuber.Host/Plant: Potato (Solanum tuberosum subsp. tuberosum)Pes...
The "dirt-like" blackish areas on the tuber are sclerotia, the resting stage of rhizoctonia solani.H...
These sclerotia are commonly known in the trade as, "the dirt that won’t wash off". Other than being...
Young potato plant infected with "rhizoc". Notice an abundance of aerial tubers.Host/Plant: Potato (...
Tubers from rhizoc infected plants often form at the soil surface and have a greenish color.Host/Pla...
Rhizoctonia solani is seedborne and soilborne. The photograph shows a rhizoc infected plant in a wi...
Necrotic root tissue and misshaped tubers are symptoms of "rhizoc" infection.Host/Plant: Potato (Sol...
Field appearance of "rhizoc" infected plants. A late bloom such as shown is often indicative of rhi...
Rhizoc-infected potato plant showing the "dumb bell" shaped tuber. This is often a problem with a hi...
Rhizoc infected stem of potato plant. The conducting vessels are essentially occluded and allows for...
Rhizoc is a common disease of potato particularly when grown under cool conditions.Host/Plant: Potat...
Tuber with sclerotia and "growth crack" that may or may not be associated with a pathogenic organism...
Very typical blackleg lesions on tubers. Very difficult to store tubers such as these for long term...
Close-up of common scab on a potato tuber.Host/Plant: Potato (Solanum tuberosum subsp. tuberosum)Pes...
Leaflets will often have a curled or rolled appearance.Host/Plant: Potato (Solanum tuberosum subsp. ...
Close-up of common scab on a potato tuber.Host/Plant: Potato (Solanum tuberosum subsp. tuberosum)Pes...