A corn leaf demonstrating “fish-eye” symptoms of tar spot complex.
Brownish lesions can cover a significant amount of the plant, and cause necrosis in the leaf tissue.
Tropical rust can appear in conjunction with tar spot complex.
Corn leaf with clear ascomata of P. maydis at different growth stages.
Author: Nanticha Lutt, Agronomy Sciences Intern
Photos: Carmen Velazquez, Research Scientist
The foregoing is provided for informational use only. Please contact your Pioneer sales professional for information and suggestions specific to your operation. Product performance is variable and depends on many factors such as moisture and heat stress, soil type, management practices and environmental stress as well as disease and pest pressures. Individual results may vary.