Dynamics of PVY strains in field grown potato: Impact of strain competition and ability to overcome host resistance mechanisms

Dynamics of PVY strains in field grown potato: Impact of strain competition and ability to... •Recent shift of PVY population towards PVYEU−NTN variants in field grown potatoes.•All PVY variants tested break hypersensitive response (HR)-mediated resistance•All PVY variants tested do not break extreme resistance mediated by Ryadg and Rysto.•PVYEU−NTN variant is more efficiently transmitted by aphids and to progeny tubers in field conditions.•PVYEU−NTN variant has a competitive advantage over PVYO and PVYNA−NTN variants, an important factor in shaping the evolution of viruses and the population dynamics of PVY. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Virus Research Elsevier

Dynamics of PVY strains in field grown potato: Impact of strain competition and ability to overcome host resistance mechanisms

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0168-1702
D.O.I.
10.1016/j.virusres.2017.06.012
Publisher site
See Article on Publisher Site

Abstract

•Recent shift of PVY population towards PVYEU−NTN variants in field grown potatoes.•All PVY variants tested break hypersensitive response (HR)-mediated resistance•All PVY variants tested do not break extreme resistance mediated by Ryadg and Rysto.•PVYEU−NTN variant is more efficiently transmitted by aphids and to progeny tubers in field conditions.•PVYEU−NTN variant has a competitive advantage over PVYO and PVYNA−NTN variants, an important factor in shaping the evolution of viruses and the population dynamics of PVY.

Journal

Virus ResearchElsevier

Published: Sep 15, 2017

References

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