%0 Journal Article %T Growth and Yield Variability in Cowpea (Vigna unguiculata L. Walp.) Cultivars Infected with Cowpea Aphid-Borne Mosaic Virus and Southern Bean Mosaic Virus %A Southern Bean Mosaic Virus %J Asian Journal of Research in Crop Science (2581-7167) %D 2018 %R 10.9734/AJRCS/2018/43107 %X (1) Hamit Ayberk, Istanbul University, Turkey. %U http://www.sciencedomain.org/abstract/25997