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Phenotypic differences in responses of soybean L800 (Rsv1) to inoculation with avrN-derived virulent progenies A947T, K321E+R945G, and P948L. Infectious extract derived from soybean L800 (Rsv1) plants infected individually with each of the three progeny viruses served as an inoculum and was mechanically inoculated to primary leaves. Plants were photographed at 16 days postinoculation. Note distinct phenotype of each of the virulent progenies.
