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Epidemiology of potato early blight in Colorado 1. Initial infection, disease development and the influence of environmental factorsMonty D. Harrison; Clark H. Livingston; Nagayoshi Oshima · 1965
Control of potato early blight in Colorado. II. Spore traps as a guide for initiating applications of fungicidesMonty D. Harrison; Clark H. Livingston; Nagayoshi Oshima · 1965
Control of potato early blight in Colorado. I. Fungicidal spray schedules in relation to the epidemiology of the diseaseMonty D. Harrison; Clark H. Livingston; Nagayoshi Oshima · 1965