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About: Powdery scab     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPotatoes, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingspeciesyago:WikicatParasiticProtistsyago:Agent109190918yago:CausalAgent100007347yago:Food100021265yago:Food107555863yago:Foodstuff107566340yago:InfectiousAgent109312843yago:LivingThing100004258yago:Matter100020827yago:Microorganism101326291yago:Object100002684yago:Organism100004475yago:Pathogen101386007yago:PhysicalEntity100001930yago:Plant100017222yago:Potato107710616yago:Produce107705711yago:Protist101387451yago:WikicatFungalPlantPathogensAndDiseasesdiseaseyago:RootVegetable107710283yago:SolanaceousVegetable107710007yago:Solid115046900yago:Starches107566863yago:Substance100020090yago:Vegetable107707451yago:Whole100003553yago:WikicatPotatoes New Facet based on Instances of this Class

Powdery scab is a disease of potato tubers. It is caused by the cercozoan Spongospora subterranea f. sp. subterranea and is widespread in potato growing countries. Symptoms of powdery scab include small lesions in the early stages of the disease, progressing to raised pustules containing a powdery mass. These can eventually rupture within the tuber periderm. The powdery pustules contain resting spores that release anisokont zoospores (asexual spore with two unequal length flagella) to infect the root hairs of potatoes or tomatoes. Powdery scab is a cosmetic defect on tubers, which can result in the rejection of these potatoes. Potatoes which have been infected can be peeled to remove the infected skin and the remaining inside of the potato can be cooked and eaten.