Septoria leaf spot (Septoria helianthi ) on common sunflower (Helianthus annuus ) - 5430722

Septoria leaf spot
Septoria helianthi Ellis & Kellerm, 1883

Host: common sunflower (Helianthus annuus L.)
Descriptor: Symptoms
Image type: Laboratory
Image location: Delaware, United States

Photographer Information

Name: Nancy Gregory
Organization: University of Delaware
Country: United States

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Image Number: 5430722

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Image Citation:(?) Nancy Gregory, University of Delaware, Bugwood.org

Node Affiliation: University of Georgia

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Image uploaded on Friday, January 21, 2011
Image Information last updated on Wednesday, February 02, 2011