However, variable results were obtained when the samples were tested for the presence of other viruses including SqMV, CMV, WMV, AMV and ZYMV infecting cucurbits.
This percentage might be due to the fact that mottle mosaic is a complex disease that can be caused by different viruses such as CMV, WMV-2, SqMV, ZYMV, as well as by CGMMV (Shabanian et al., 2007; Moradi and Jafarpour, 2011) and the symptoms observed are as a result of multiple infection.