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Cylindrocephalum Rot of Mung Bean Sprouts. Y. S. Cody, Graduate Student, Department of Plant Pathology, Washington State University, Pullman 99164-6430. O. C. Maloy, Extension Plant Pathologist, Department of Plant Pathology, Washington State University, Pullman 99164-6430. Plant Dis. 68:304-305. Accepted for publication 3 October 1983. Copyright 1984 The American Phytopathological Society. DOI: 10.1094/PD-68-304.

A fungus causing a destructive rot was isolated from mung bean sprouts. Symptoms first appeared as small pink to orange spots on the cotyledons or hypocotyl. Under the moist conditions required for sprouting, the sprouts became slimy and gray. Inoculation with a high spore concentration (4.6 105/ml) induced 94% decayed sprouts, whereas decreasing concentrations caused progressively less decay. The test fungus was reisolated from lesions on the sprouts. The fungus was tentatively identified as Cylindrocephalum sp.