Plant Health Initiative

Photo Gallery of Foliar Symptoms

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Asian Soybean Rust early symptoms Credit: USDA	Asian Soybean Rust Credit: USDA	Asian Soybean Rust Credit: USDA	Septoria leaf spot Credit: Brian Hudelsen, University of Wisconsin
Iron Deficiency Chlorisis Credit: University of Nebraska	Frogeye leaf spot Credit: XB Yang, Iowa State University	Brown Stem Rot Credit: Craig Grau, University of Wisconsin	Brown Stem Rot Credit: Craig Grau, University of Wisconsin
Aphid feeding Credit: Chris DiFonzo, Michigan State University	Sudden Death Syndrome Credit: XB Yang, Iowa State University	Phytophthora root and stem rot Credit: Anne Dorrance, Ohio State University	Virus symptoms Credit: Palle Pedersen, Iowa State University
Viruses - mosaic symptom Credit: Palle Pedersen, Iowa State University	Virus - rugosity symptoms Credit: Palle Pedersen, Iowa State University