Full TGIF Record # 18258
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Web URL(s):https://stri.lib.msu.edu/vol56-1980/pdf/sptri80056009.pdf
    Last checked: 10/2003
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Publication Type:
i
Refereed
Author(s):Dernoeden, Peter H.; Jackson, Noel
Author Affiliation:Department of Plant Pathology and Entomology, University of Rhode Island, Kingston
Title:Managing yellow tuft disease
Source:Journal of the Sports Turf Research Institute. Vol. 56, 1980, p. 9-17.
Publishing Information:Bingley, England: Sports Turf Research Institute
Keywords:TIC Keywords: Downy Mildew; Fertilizers; Nitrogen; Festuca rubra subsp. commutata; Agrostis canina; Metalaxyl; Chlorothalonil
Abstract/Contents:"Application of six nitrogenous fertilizers reduced the intensity of yellow tuft disease symptoms in a heavily infected 'Jamestown' chewings fescue 'Kingstown' velvet bent sward. Reduction of disease symptoms by the fertilizers was ascribed to improved colour and density afforded by nitrogen. Nutrients applied to a sand medium supporting plants infected with S. macrospora enhanced the spore producing capacity of the mycelium contained within these plants. Fertilizers, therefore, masked disease symptoms, but did not cure the disease. Greenhouse tests showed that the experimental fungicide CGA 48988 (trade name Subdue or Ridomil) arrested any further mycelial colonization of developing leaves and rhizomes from crowns of infected Kentucky bluegrass plants. SN-66752 (trade name Previcure) had no curative fungicidal activity against S. macrospora. Field testing revealed that CGA 48988 + Daconil 2787F combination provided exceptional curative control of yellow tuft disease. 'Jamestown' chewings fescue plants, infected by S. macrospora, persisted for a minimum of two years. Developing axillary buds can escape systemic invasion of mycelium from infected crowns and eventually those downy mildew free tillers may replace the original, diseased plant. This may account for the ephemeral nature of this disease."
Language:English
References:11
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dernoeden, P. H., and N. Jackson. 1980. Managing yellow tuft disease. J. Sports Turf Res. Inst. 56:p. 9-17.
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Web URL(s):
https://stri.lib.msu.edu/vol56-1980/pdf/sptri80056009.pdf
    Last checked: 10/2003
    Requires: PDF Reader
    Notes: Available to TGIF and STRI users
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