Brassica napus L.
Selection criteria. Country: any country. Associated organism: Peronospora (distribution map)
Number of records. 6.
Date information. 1947 (Jul, Oct).
Countries. Ethiopia, India, Morocco, Ukraine.
Associated organisms. Peronospora brassicae; Peronospora parasitica.
Literature. Butler & Bisby (1931); Mitter & Tandon (1930); Rieuf (1970) page(s) 197; Stewart & Yirgou (1967) page(s) 20.