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Turnip Mosaic Virus-Induced Inclusions. J. R. Edwardson, Agronomist, Departments of Agronomy and Plant Pathology, Institute of Food and Agricultural Sciences, University of Florida, Gainesville 32601; D. E. Purcifull, Assistant Virologist, Departments of Agronomy and Plant Pathology, Institute of Food and Agricultural Sciences, University of Florida, Gainesville 32601. Phytopathology 60:85-88. Accepted for publication 4 August 1969. DOI: 10.1094/Phyto-60-85.

Cylindrical inclusions induced in the cytoplasm of Brassica perviridis by a Florida strain of turnip mosaic virus were studied with light and electron microscopy. In cross sections, the inclusions consisted of pinwheels with attached circles and laminated aggregates, and thus appear similar to inclusions induced by several members of the potato virus Y group. In extracts, the inclusions exhibited striations with a periodicity of 5 mµ.