1. Alfalfa, Apple, Apricot, Azalea, Barley, Bean, Beet, Caneberries, Carnation, Celery, Cherry, Chrysanthemum, Citrus, Corn, Cotton, Crucifers, Cucurbits, Grape, Lettuce, Oats, Onion, Peach, Pear, Potato, Red clover, Rhododendron, Rose, Sorghum, Soybean, Strawberry, Sweet potato, Tobacco, Tomato, Turfgrass, Wheat
2. “Names of British Plant Diseases and Their Causes.”;British Society for Plant Pathology,1962
3. Host density as a factor in plant disease ecology;Burdon;Ann. Rev. Phytopathol.,1982
4. “The Nature and Practice of Biological Control of Plant Pathogens.”;Cook,1983
5. “Plant Disease, An Advanced Treatise, Volume I. How Disease Is Managed.”,1977