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Plant Pathology: Extension & Outreach: Plant Disease Library

Bacterial leaf stripe - Pseudomonas andropogonis

Sorghum- Sorghum vulgareBacterial leaf stripe on sorghum


Lesions are narrow and elongated between the leaf veins, often extending for the full length of the vein. Lesions begin as a thin red band along the vein, then expand to produce a dark red to black border and a gray center of dead tissue. Masses of bacterial cells in the lesions exude to the surface when leaves are wet. P. andropogonis also infects the stalk and peduncle and may affect the seeds. The bacterium is spread by rain and the disease is most severe during wet seasons. Control of bacterial stripe includes crop rotation, elimination of volunteer plants and grassy weeds, deep tillage to bury residues, and planting resistant cultivars.

Compiled by:   Barry M. Cunfer, UGA Plant Pathologist, Griffin, GA

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University of Georgia (UGA) College of Agricultural and Environmental Sciences (CAES)