“…They are mentioned in chronological order of their discovery or of the detection of their bacilliform shape: lettuce necrotic yellows virus (Harrison and Crowley, 1965;Chambers et al, 1965), maize mozaic virus I (Herold et al, 1960;Munz, 1965, .1967), potato yellow dwarf virus (MacLeod et al, 1966), wheat striate mosaic virus (Lee, 1964(Lee, , 1967(Lee, , 1968, Gomphrena virus (Kitajima and Costa, 1966), an un-named virus in Plantago lanceolata (Hitchborn et al, 1966), sowthistle yellow vein virus (Richardson and Sylvester, 1968), broccoli necrotic yellows virus (Hills and Campbell, 1968) and rice transitory yellows virus (Shikata and Chen, 1969).…”