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Dollar Spot in Four Bentgrass Cultivars as Affected by Acibenzolar-S-Methyl and Organic Fertilizers

J. Lee, J. Fry, and N. Tisserat

June 2003

Research

The authors evaluated the influence of the plant defense activator acibenzolar-S-methyl and organic fertilizers on dollar spot and brown patch in four bentgrass cultivars. ASM suppressed dollar spot by in all cultivars except L-93, and may someday be a tool to reduce fungicide requirements on creeping bentgrass greens. There was no effect of ASM on brown patch.

doi:10.1094/PHP-2003-0626-01-RS

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