1. Anon (1976 ). Salad Onions . Ministry of Agriculture, Fisheries and Food, Agricultural Development and Advisory Service, Advisory Leaflet no. 358, 10 pp.
2. Etiology and Control of Onion Flower Blight
3. R. Lafon (1962 ). Le Botrytis des Feuilles de l'oignon (Botrytis squamosa J. C. Walker). XVIth International Horticultural Congress 1962, 2, 367 -371 .
4. Neck rot (Botrytis allii) of bulb onions.