Cucurbit Genetics Cooperative Report 18:55-55 (article 26) 1995 Sadig K. Omara and M. Taha National Institute for Promotion of Horticultural Exports, University of Gezira, P.O. Box 20, Wad Medani, Sudan Powdery mildews have always been serious diseases on cultivated cucurbits in Sudan. Squashes, pumpkins, melons, cucumbers and snake cucumbers are susceptible to severe attack when […]