Survival of Cochliobolus sativus conidia in pure culture and in natural soil at different relative humidities

Abstract

Conidia of Cochliobolus sativus cultured on sterile wheat straw were nearly 100% germinable after 52 months when maintained at relative humidity of 50% or lower. At higher relative humidity, spore longevity was much reduced. Increased temperature decreased spore longevity. Comparable results were obtained in natural soil.