Seifers, D. L., and Martin, T. J. 1988. Correlation of low level wheat streak mosaic virus resistance in Triumph 64 wheat with low virus titer. Phytopathology 78:703-707. Wheat streak mosaic virus (WSMV) reduced the yield of Triumph 64 immunosorbent assay (ELISA). As incubation temperature increased from (cultivar having a low level of resistance to virus multiplication) by 18% 15 to 30 C, diff...