Distribution of brown blotch bacteria in wild and cultivated species of basidiomycetes.
Wild and cultivated Basidiomycetes species were cultured to determine the distribution of bacteria causing brown blotch disease of Agaricus bisporus. Colonies from each basidiocarp were screened for brown blotch organisms by the white line and host pathogenicity tests. Isolates causing brown blotch were identified as Pseudomonas tolaasi and an Arthrobacter species.
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Botany Department, University of Maine, Orono, Maine 04469.