Betrachtungen über den Y-Virusbefall der nach der Schweiz Gelieferten Saatkartoffeln aus Europäischen Ländern und die Ergriffenen Gegenmassnahmen

Keller, E. R.; Münster, J.

doi:10.1007/bf02364847

Cited by 3 publications

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“…PVY O and PVY C isolates elicit hypersensitive reactions (HR) on resistant potato cultivars carrying the Nytbr or the Nc resistance genes, respectively. PVY isolates that failed to elicit HR in the presence of the Nytbr or Nc genes in potato cultivars but were able to induce both mild mottle symptoms in most potato cultivars and veinal necrosis in tobacco leaves, were designated as members of the PVY N strain (Keller & M€ unster, 1961). This classification is also supported by serological properties of the isolates (Gugerli & Fries, 1983).…”

Section: Introductionmentioning

confidence: 98%

Brazilian Potato virus Y isolates identified as members of a new clade facilitate the reconstruction of evolutionary traits within this species

et al. 2015

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Section: Introductionmentioning

confidence: 98%

Brazilian Potato virus Y isolates identified as members of a new clade facilitate the reconstruction of evolutionary traits within this species

et al. 2015

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Discussion paper: The naming of Potato virus Y strains infecting potato

et al. 2007

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Potato virus Y (PVY) strain groups are based on host response and resistance gene interactions. The strain groups PVY(O), PVY(C) and PVY(N) are well established for the isolates infecting potato in the field. A switch in the emphasis from host response to nucleotide sequence differences in the virus genomes, detection of isolates recombining sequences of different strains, and the need to recognize isolates that cause necrotic symptoms in potato tubers have led to the assignment of new acronyms, especially to isolates of the PVY(N) strain group. This discussion paper proposes that any newly found isolates should be described within the context of the original strain groups based on the original methods of distinguishing strains (i.e., tobacco and potato assays involving use of 'differential' potato cultivars). Additionally, sequence characterization of the complete genomes of isolates is highly recommended. However, it is acceptable to amend the names of PVY isolates with additional, specific codes to show that the isolate differs at the molecular, serological or phenotypic level from the typical strains within a strain group. The new isolates should preferably not be named using geographical, cultivar, or place-association designations. Since many new variants of PVY are being discovered, any new static classification system will be meaningless for the time being. A more systematic investigation and characterization of PVY from potato at the biological and molecular levels should eventually result in a biologically meaningful genetic strain concept.

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Potato viruses and resistance genes in potato

Ahmadvand¹,

Takács

Taller

et al. 2012

Acta Agronomica Hungarica

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Potato (Solanum tuberosum L.) is the fourth most important food crop in the world. It is the most economically valuable and well-known member of the plant family Solanaceae. Potato is the host of many pathogens, including fungi, bacteria, Phytoplasmas, viruses, viroids and nematodes, which cause reductions in the quantity and quality of yield. Apart from the late blight fungus [Phytophthora infestans (Mont.) de Bary] viruses are the most important pathogens, with over 40 viruses and virus-like pathogens infecting cultivated potatoes in the field, among which Potato virus Y (PVY), Potato leaf roll virus (PLRV), Potato virus X (PVX), Potato virus A (PVA), Potato virus S (PVS) and Potato virus M (PVM) are some of the most important viruses in the world. In this review, their characteristics and types of resistance to them will be discussed.

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Betrachtungen über den Y-Virusbefall der nach der Schweiz Gelieferten Saatkartoffeln aus Europäischen Ländern und die Ergriffenen Gegenmassnahmen

Cited by 3 publications

References 0 publications

Brazilian Potato virus Y isolates identified as members of a new clade facilitate the reconstruction of evolutionary traits within this species

Brazilian Potato virus Y isolates identified as members of a new clade facilitate the reconstruction of evolutionary traits within this species

Discussion paper: The naming of Potato virus Y strains infecting potato

Potato viruses and resistance genes in potato

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