Soybean rust (Phakopsora pachyrhizi) and witches broom (16Srill Candidatus phytoplasma): the two emerging and devastating diseases of soybean in Tanzania - Murithi, H.; Owati, A.; Kumar, P. Lava; Mahuku, George S.; Joosten, M.H.; Beed, Fenton D.; Madata, C.S.; Haudenshield, J.S.; Hartman, G.L. (2015)