Fig. 2From: Advances in understanding the soil-borne viruses of wheat: from the laboratory bench to strategies for disease control in the fieldDistribution of wheat yellow mosaic virus (WYMV) and Chinese wheat mosaic virus (CWMV) in China. Shading shows the extent of WYMV and CWMV occurrence in winter wheat. Samples with WYMV are shown as red circles, CWMV as green circles, and sites with both viruses as blue trianglesBack to article page