Theses & Dissertations Open Access Some aspects of epidemiology of sorghum downy mildew (Peronosclerospora sorghi) in Uganda George Bigirwa Studies on Peronosclerospora sorghi (weston and uppal) C. G.Shaw the causal agent of sorghum downy mildew (SDM), were conducted in response to the increased occurrence of the disease in Uganda. The geographic distribution of SDM on maize, … RUF-35418 1997 CC BY 4.0 23 Sep 2015