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Crop rotation system can help avoid the problem of powdery scab.
Powdery scab has a cosmetic effect on tubers, which can result in rejection of potatoes.
Powdery scab, is a disease of potato tubers.
They can cause cabbage club root disease and powdery scab tuber disease.
It is susceptible to several diseases, including blight, potato cyst nematode and powdery scab.
Plasmodiophorans cause club-root disease in cabbage roots and powdery scab in potato plants.
Important diseases caused by phytomyxeans include club root in cabbage and its relatives, and powdery scab in potatoes.
In the UK the most common are the powdery scab caused by the protist Spongospora subterranea f. sp.
Symptoms of powdery scab include small lesions in the early stages of the disease, progressing to raised pustules containing a powdery mass.
Other potato diseases include Rhizoctonia, Sclerotinia, black leg, powdery mildew, powdery scab, leafroll virus, and purple top.
The species of plasmodiophoran that causes club-root disease is Plasmodiophora brassicae; the species that causes powdery scab, Spongospora subterranea.
Spraing can be caused by two viruses, tobacco rattle virus (TRV) which is transmitted by trichodorid nematodes, or potato mop top virus (PMTV) transmitted by the powdery scab fungus Spongospora subterranea.
Wörterbuch der Botanik