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Diagnostic Guide: Wheat Soil-Borne Mosaic

D. R. Kroese, S. Bag, K. E. Frost, T. D. Murray, and C. H. Hagerty

June 2018

Diagnostic Guide

Wheat soil-borne mosaic is caused by the rod-shaped Soil-borne wheat mosaic virus (SBWMV), which is in the genus Furovirus. SBWMV is vectored by Polymyxa graminis. Economic hosts of SBWMV include wheat, barley, and rye. Winter wheat is the most economically important host; spring wheat infections are possible but rare owing to unfavorable soil temperatures slowing virus replication. Yield loss owing to SBWMV infection is variable among season and geographic location.


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