U. S.  Department of Agriculture - Agricultural Research Service

 

A collage of citrus canker symptoms.

Citrus Canker is a major exotic pathogen threatening the U.S. Citrus Industry. A) Fruit symptoms,
B) Typical leaf symptoms, C) Asian leaf miner adult, D) Asian leaf miner larva tunneling in leaf,
and E) Synergistic effect of Asian leaf miner and citrus canker bacteria. Note the numerous
individual lesions erupting from the leaf miner galleries.

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Last modified: 2/14/2001.   Send comments or questions to TGottwald@ushrl.ars.usda.gov