The role of high soil temperatures in the damping-off of true potato seedlings in the lowland tropics

Fritz Elango


Soil temperatures above 30°C induced significant wilting and weight loss in transplanted seedlings raised from true potato seed. Such soil temperatures also predisposed transplants to damping-off caused by Rhizoctonia solani Kiihn, sclerotial stage of Thanatephorus cucumeris (Frank) Donk. The implications of reducing soil temperatures on control of damping-off in seedlings are discussed.


True potato seedlings; Rhizoctonia solani; High soil temperatures

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