Potato Cultivar and Seed Type Affect the Development of Systemic Potato virus Infection
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2018-04
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Abstract
Potato virus Y (PVY) infection is one of the greatest challenges to seed potato production in the United States. To determine how cultivar and seed type affect the development of systemic PVY infection, Russet Burbank and Russet Norkotah Colorado 3 cultivars were grown from two types of pre-nuclear seed (i.e., plantlets and minitubers) and Generation 3 (G3) tubers and challenged with PVY strain Wilga (PVYN-Wi). Systemic PVY infection was measured by assaying spread of virus from the inoculation site to upper non-inoculated leaves. The Burbank cultivar had a lower incidence of systemic PVY infection compared to the incidence of systemic PVY that developed in the Colorado 3 cultivar. Furthermore, Burbank plants grown from G3 tubers had a lower incidence of systemic PVY infection, as compared to Burbank plants grown from plantlets. Together our results indicate that both cultivar and seed type affect the development of systemic PVYN-Wi infections post-inoculation.
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Boyd, Elisa, Eileen Carpenter, Brian T Ross, Nina Zidack, and Michelle L Flenniken. "Potato Cultivar and Seed Type Affect the Development of Systemic Potato virus Infection." American Journal of Potato Research 95, no. 2 (April 2018): 1-8. DOI: 10.1007/s12230-017-9625-x.