The paper deals with the downy mildew Peronospora manshurica on soybean in Czechoslovakia. Symptoms, seed transmission, and the influence of environmental conditions are discussed. The disease was evaluated on different cultivars and found to reduce yields under favorable conditions for the pathogen.
Nováková-Pfeiferová J. (1964): Beitrag zur Kenntnis der Peronospora manshurica in der Tschechoslowakei. – Česká Mykologie 18(1): 42–47.