Alternaria Leaf Spot of Calathea spp.. A. R. Chase, Assistant Professor of Plant Pathology, Institute of Food and Agricultural Sciences, University of Florida Agricultural Research Center, Apopka 32703. Plant Dis. 66:953-954. Accepted for publication 30 May 1982. Copyright 1982 American Phytopathological Society. DOI: 10.1094/PD-66-953.

Alternaria alternata was identified as the cause of a leaf spot of Calathea spp. The disease was most severe on C. bella. Two cultivars of Maranta leuconeura were found to be resistant to the pathogen.

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