Effect of the Site of Infection Source and Some Onion Genotypes on Management of Onion Yellow Dwarf Virus in the River Nile State, Sudan. uofkjas [انترنت]. 28 مارس، 2023 [وثق 25 مايو، 2026];19(3). موجود في: https://onlinejournals.uofk.edu/uofkjas/article/view/1882