powdery scab of potato

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• Powdery scab — Taxobox name = Powdery scab regnum = Rhizaria phylum = Cercozoa classis = Phytomyxea genus = Spongospora species = S. subterranea binomial = Spongospora subterranea Powdery scab, is a disease that happens to tubers. It is caused by the protozoa… …   Wikipedia

• powdery scab — noun : a disease of potato tubers caused by a fungus (Spongospora subterranea) and characterized by nodular discolored lesions which at maturity burst to expose a powdery mass of spores in circular pits surrounded by the lighter colored frayed… …   Useful english dictionary

• Potato — Irish potato redirects here. For the confectionery, see Irish potato candy. For other uses, see Potato (disambiguation). Potato …   Wikipedia

• potato scab — noun : any of various diseases of the potato characterized by crusty rough spots or scabs on the tubers; specifically : a disease that is characterized by lesions of brownish corky tissue, is caused by an actinomycete (Streptomyces scabies), and… …   Useful english dictionary

• potato canker — noun 1. : potato wart 2. : a powdery scab in which there is destruction of the flesh of the tuber that leaves hollowed out eroded areas which are larger than the usual spots …   Useful english dictionary

• ПАРША КАРТОФЕЛЯ ПОРОШИСТАЯ — англ.corky scab of potato; galls on potato root; powdery scab of potato нем.Geschwülste, Kartoffel; Pulverschorf, Kartoffel; Schwammschorf, Kartoffel франц.gale poudreuse de la pomme de terre; gale spongieuse de la pomme de terre возбудитель …   Фитопатологический словарь-справочник

• Plasmodiophoromycota — ▪ biology       phylum of plant parasites in the kingdom Chromista commonly referred to as endoparasitic slime molds. Some scientists assign Plasmodiophoromycota to the kingdom Protista. The most important genera are Plasmodiophora and… …   Universalium

• plant disease — ▪ plant pathology Introduction       an impairment of the normal state of a plant that interrupts or modifies its vital functions.       All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …   Universalium

• Spraing — A disease of potato tubers that causes brown streaks in the flesh of the potato. 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… …   Wikipedia

• Disease resistance in fruit and vegetables — There are a number of lines of defence against pests (that is, those animals that cause damage to the plants we grow) and diseases in the organic garden, principal among these being the practice of good husbandry, creating healthy soil and… …   Wikipedia

• Signs of pathogen presence in diseased plants — ▪ Table Signs of pathogen presence in diseased plants* sign description examples acervulus a shallow, saucer shaped fungal structure that bears asexual spores (conidia); it is usually formed below the cuticle or epidermis of leaves, stems, and… …   Universalium