Sporulation of Cercospora zeae-maydis was detected from lesions on pieces of leaf blades and sheaths kept on the soil surface or buried 5-10 cm beneath the soil surface during the winter and spring months of 1990 and 1991. Sporulation was not detected after May on buried infected tissues. The mean number of conidia per square millimeter of lesion varied from 2.1 to 5,430.6 on leaf blade tissues at two locations and from 5.9 to 104.6 on leaf sheath tissues on the soil surface at one location. However, the coefficient of variation among replications of each treatment was high (.)
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Nilceu Ricetti Xavier de Nazareno (1992) studied this question.