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First Report of Leaf Smut of Gaillardia × grandiflora Caused by Entyloma gaillardianum in North America

D. A. Glawe, T. Barlow, and S. T. Koike

April 2010

Brief

In the summer of 2009, a leaf spot disease occurred on 100% of Gaillardia × grandiflora cv. Goblin in a commercial nursery in coastal Monterey Co., CA. Nearly all of the affected plants were unsalable. The causal agent was determined to be Entyloma gaillardianum based on morphological features, host, and ITS region. This species has not been reported previously from this host in North America.

doi:10.1094/PHP-2010-0428-01-BR

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