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Isolation of Tilletia caries from Infected Wheat Plants. Edward J. Trione, Biochemist, Plant Science Research Division, ARS, USDA, Department of Botany and Plant Pathology, Oregon State University, Corvallis 97331; Phytopathology 62:1096-1097. DOI: 10.1094/Phyto-62-1096.

Attempts were made to isolate Tilletia caries from leaves, ovarian tissue, and the upper three nodes and internodes of infected wheat plants. The pathogen grew only from infected ovaries and terminal internode tissue adjacent to the spike. It is hypothesized that most of the mature plant resists hyphal growth, and that the dikaryon develops only in localized areas rich in nutrients.

Additional keywords: bunt, fungi, teliospore, pathogen.