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Water soaking and necrosis on bean leaves, due to bacterial brown spot caused by Pseudomonas syringae pv. syringae.

Water soaking and necrosis on bean leaves, due to infection with bacterial brown spot caused by Pseudomonas syringae pv. syringae. Credit: Howard F. Schwartz, Colorado State University, Bugwood.org — Credit: Howard F. Schwartz, Colorado State University, Bugwood.org

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