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GrainGenes Gene Report: U-2 (Avena)

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Gene	U-2 (Avena)
Gene Class	Reaction to Ustilago kolleri
Pathology	Covered Smut
Reference	Schattenberg H (1934) Untersuchungen ueber des Verhalten von Sorten, Kreuzungsnachkommenschaften und Kreuzungpopulationen gegenueber verschiedenen Herkunften von Haferflugbranden. Kuhn-Archiv 34:411-449. Nicolaisen W (1931) Beitrag zur Immunitaetzuchtung des Hafers gegen Ustilago avenae (Pers.) Jens. Zeitschrift fuer Zuechtung, Reihe A, Pflanzenzuechtung 16:255-278. Gaines EF (1925) Resistance to covered smut in varieties and hybrids of oats. Journal of the American Society of Agronomy 17:775-789. Wakabayashi S (1921) A study of hybrid oats, Avena sterilis x Avena orientalis. Journal of the American Society of Agronomy 13:259-266.
Comment	Second dominant gene for resistance to U. kolleri in Red Rustproof.
Info Source	Simons MD et al. (1978) Oats: A standardized system of nomenclature for genes and chromosomes and catalog of genes governing characters. USDA Agriculture Handbook 509:1-40.

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