SOYBEAN DWARF, BEAN LEAF ROLL, AND BEET WESTERN YELLOWS LUTEOVIRUSES IN SOUTHEASTERN US WHITE CLOVER

Leaf samples collected from white clover plants in several eastern and southeastern states between 1986 and 1991 were tested for the presenc e of soybean dwarf virus (SbDV), bean leaf roll virus (BLRV), and beet western yellows virus (BWYV) by aphid transmission and serology. The majority of the 991 samples were from randomly selected, asymptomatic, white clover plants in or near established clover stands. We report h ere the widespread occurrence of SbDV and BLRV in the southeastern Uni ted States. Nearly 25% of all white clover samples contained SbDV, BLR V, or both, while less than 10% contained BWYV.