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(...) The increase in application rate resulted in: 1) a significant decrease in intensity of Typhyla blight, 2) a reduction in time required for turfgrass to recover from injury by pathogenic species of Typhula, 3) an increase in number of sclerotia of T. phacorrhiza recovered from turfgrass thatch, and 4) a decrease in number of sclerotia of T. ishikariensis var. ishikariensis plus T. incarnata recovered from thatch. The intensity of Typhula blight, the time required for turfgrass recovery, and the number of sclerotia of T.i. ishikariensis plus T. incarnata recovered from thatch were significantly reduced in plots of creeping bentgrass that received applications of grain colonized by isolate T016 in 1985 and 1986 compared with that of plots that received applications in 1985 only. (...)