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Peristence of Pythium myriotylum in Soils. Kenneth H. Garren, Plant Pathologist, Plant Science Research Division, ARS, USDA, Holland, Virginia 23391, and Adjunct Professor, Department of Plant Pathology and Plant Physiology, Virginia Polytechnic Institute and State University; Phytopathology 61:596-597. DOI: 10.1094/Phyto-61-596.

Pythium myriotylum survived at lower inoculum: soil ratios, and survived longer in two soils to which it is not indigenous, than in a soil to which it is indigenous. A possible explanation is that there are no antagonists to P. myriotylum in the two soils that are present in the one where survival was reduced.

Additional keywords: competetive saprophytism, antagonisms, resurgence of fungi.