1. Achar PN (1992) Yield loss by Raphanus sativus from systemic infection by Peronospora parasitica. Phyton (Buenos Aires) 53:89–94
2. AICRP (2011) All India co-ordinated research project on rapeseed-mustard. Directorate of Rapeseed-Mustard Research, Bharatpur
3. Anonymous (1938) Plant diseases. Notes contributed by the biological branch. Agril Gaz NSW 17:669–673
4. Anonymous (1949) Plant diseases in Denmark in 1949. Annual survey of data collected by the State Phytopathological Service, Lyngby. Tidsskr Planteavl 55:1–81
5. Anonymous (1955) Plant disease survey for the twelve months ending 30th June1954. Twenty-fourth annual report N.S.W., Deptartment of Agriculture, Biological Branch-Division of Science Services, 27 p