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Fusarium species in soil,thatch and crowns of Poa pratensis turfgrass treated with fungicides
Authors:R.W. Smiley  M.M. Craven
Affiliation:Department of Plant Pathology, Cornell University, Ithaca, NY 14853, U.S.A.
Abstract:
Little information exists concerning the effects of long-term fungicide programs on the qualitative and quantitative characteristics of fusaria in turfgrasses and in turfgrass soils. These effects were studied on Poa pratensis L, turfgrasses at three locations, using 14 fungicides, one nematicide, and five mixed fungicide programs. Some fungicides increased the numbers of fusaria in soil and thatch, some had no effect, and others greatly reduced the numbers. Changes in Fusarium species' compositions occurred independently from the changes in propagule numbers. The proportion of Fusarium-colonized turfgrass crowns was generally higher in fungicide-treated than in nontreated turfgrasses.
Keywords:
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