First Report of Powdery Mildew of Gaillardia × grandiflora (Blanket Flower) Caused by Leveillula taurica in North America
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During recent surveys of fieldgrown Gaillardia × grandiflora (Blanket flower) in Yakima Co., WA, a powdery mildew disease was observed on the cv. ‘Baby Cole.’ This report documents the occurrence of the powdery mildew fungus in question (Leveillula taurica (Lév.) G. Arnaud) on Gaillardia × grandiflora and provides information on disease symptomatology as well as features distinguishing this fungus from other powdery mildew pathogens of Gaillardia in North America. Accepted for publication 8 December 2005. Published 12 January 2006.
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