Banana is considered the most important fruit in Egypt. Many clones are grown for the export market, but many indigenous cultivars are produced and consumed locally. Bananas are affected by five viruses (Diekmann and Putter 1996) these are Banana bunchy top virus (BBTV) genus Nanavirus, Banana streak virus (BSV) genus Badnavirus, Cucumber mosaic virus (CMV) genus Cucumovirus, Banana bract mosaic ... إقراء المزيد