A virus serologically related to Arabis mosaic virus was isolated from dogwood (Cornus florida) growing wild in South Carolina in two areas about 0.4 km apart. The virus reacted with antisera to four Arabis mosaic virus strains in gel double-diffusion tests and formed spurs with three strains of Arabis mosaic virus and with grape fanleaf virus. Based on epitope similarity indices, this virus was different from Arabis mosaic virus; therefore it was designated dogwood mosaic virus, a new member of the Arabis mosaic virus subgroup of the nepoviruses
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