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Diseases and Production Problems of Cotton in Arizona

Mary Olsen and, Jeffrey Silvertooth (July, 2001)

Summary

Although many pathogenic organisms are involved in cotton seedling disease throughout the Cotton Belt, only two pathogenic fungi, Rhizoctonia solani and Thielaviopsis basicola, cause disease problems in Arizona. These soil-borne fungi are widespread in Arizona soils and cause seedling and root diseases in many plants other than cotton.