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Sunflower Disease Diagnostic Series (PP1727)

This series aids in disease identification.

Samuel Markell, Extension Plant Pathologist, North Dakota State University

Robert Harveson, Extension Plant Pathologist, University of Nebraska; Charles Block, Plant Pathologist, USDA, Ames, IA; Thomas Gulya, USDA Sunflower Pathologist, (Retired), Fargo, N.D.

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