Clavibacter sepedonicus
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Clavibacter sepedonicus - ring rot symptoms on potato tuber (click on image to enlarge it)
Author(s): Neil Gudmestad, North Dakota State University
Source: PaDIL
Author(s): Neil Gudmestad, North Dakota State University
Source: PaDIL
Clavibacter sepedonicus - wilt symptoms on potato plant (click on image to enlarge it)
Author(s): William M. Brown Jr.
Source: IPM Images
Author(s): William M. Brown Jr.
Source: IPM Images
Clavibacter sepedonicus (Spieckermann and Kotthoff 1914) Li et al. 2018 - (potato ring rot)
This bacterium is wide-spread, Gram-positive, non-sporulating and causes potato ring rot. It has quarantine status in some regions. The main symptom is a discoloration of the vascular ring of the tubers which contains bacterial ooze (see illustration on right). Above-ground symptoms include yellow leaf margins which become necrotic. The disease survives inside infected tubers and can be easily transmitted mechanically. Yield losses can exceed 50%.
Synonyms:
Clavibacter michiganensis subsp. sepedonicus
| Vernacular names | |
|---|---|
| • Deutsch: | Bakterienringfäule der Kartoffel |
| • English: | potato ring rot |
| • Français: | flétrissement de la pomme de terre |
