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Book: Proceedings of the Third International Turfgrass Research Conference
Published by: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America

 

This chapter in PROCEEDINGS OF THE THIRD INTERNATIONAL TURFGRASS RESEARCH CONFERENCE

  1.  p. 275-282
     
    Proceedings of the Third International Turfgrass Research Conference

    James B. Beard (ed.)

    ISBN: 978-0-89118-248-1

     
    Published: 1980


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doi:10.2135/1974.proc3rdintlturfgrass.c32

Snow Mold Resistance in Turfgrasses and the Need for Regional Testing1

  1. J. D. Smith

Abstract

Abstract

In field tests at Saskatoon, Saskatchewan, Canada, plots of mature turf formed from cultivars and strains of Kentucky bluegrass (Poa pratensis L.), red fescue (Festuca rubra L.), and sheep fescue (F. ovina L.) were inoculated with cultures of the nonsclerotial, low temperature-tolerant basidiomycete (LTB). The latter appears to be unique to the low snowfall areas of the Canadian prairies. Inoculum grown on sterile grain was applied each autumn from 1973 to 1975. The severity of the disease was recorded each subsequent spring. Suscepts included several used in other climatic regions where the range of snow molds and other pathogens is different from the northern prairies. No strains completely resistant to the LTB were found, but some new introductions, selections, and established cultivars showed low initial damage and/or recovery. The resistance of 13 lines of Agrostis spp. to natural attacks of Fusarium nivale is also reported. Cultivars require regional testing for disease resistance, especially snow mold resistance, before being recommended for use. Cultivar descriptions should specify resistance to a particular snow mold pathogen or pathogens and not to “snow mold” only, since the spectrum of these varies greatly from region to region.

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Copyright © 1980. Copyright © 1980 by the American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, and International Turfgrass Society, 5585 Guilford Rd., Madison, WI 53711 USA

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