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UC IPM

Circular, scabby lesions on the leaves of an orange tree with citrus canker, caused by <I>Xanthomonas axonopodis</I> pv. <I>citri.</I>. — Circular, scabby lesions on the leaves of an orange tree with citrus canker, caused by Xanthomonas axonopodis pv. citri..
Credit: University of Florida