Roy M. Davidson

1939

• Apple anthracnose (Bull's eye rot)
• Armillaria (shoestring) root rot
• Cherry mottle leaf
• Club root of cabbage and other crucifers
• Common causes of plant damage and suggestions for plant care
• Construction damage to trees
• Construction damage to trees on homesites
• Dogwood anthracnose
• Dooryard pests
• Factors affecting the efficiency of sclerotia of Typhula idahoensis as inoculum
• Hawthorn leaf spot
• Late blight of potato and tomato