Full TGIF Record # 269996
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Web URL(s):https://archive.lib.msu.edu/tic/its/articles/1977sup36.pdf
    Last checked: 03/17/2016
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Publication Type:
i
Report
Content Type:Abstract or summary only
Author(s):White, D. B.; Smithberg, M. H.
Author Affiliation:Dept. of Horticulture and Landscape Architecture, University of Minnesota, St. Paul, Minnesota
Title:Cold hardening and dehardening in cool season grasses
Section:Session 4
Other records with the "Session 4" Section
Meeting Info.:Munich, Germany: July 11-13, 1977
Source:International Turfgrass Society Program: III International Turfgrass Research Conference. 1977, p. 36.
# of Pages:1
Publishing Information:Munich, Germany: [International Turfgrass Society]
Keywords:TIC Keywords: Agrostis stolonifera; Cold resistance; Cultivar evaluation; Dehardening; Festuca; Hardening; Lolium perenne; Poa pratensis; Temperature response; Variety trials
Cultivar Names:NK 200; Baron; Toronto
Abstract/Contents:"Characterization of hardening and dehardening in Agrostis, Festuca, Lolium, and Poa species and varieties will be presented in terms of: low temperature acclimation and de-acclimation; changes in tissue water content during the hardening process (determined by Nuclear Magnetic Resonance techniques); effect of nitrogen levels during the hardening dehardening period and winter-spring survival. Experiments were conducted under both controlled environment and field conditions in a continental climate (45th parallel N and 93° W longitude). Agrostis species generally developed greatest tolerance to cold followed by Poa, Festuca, and Lolium. Varieties within species varied in ability to tolerate cold stress. 'Toronto', the hardiest creeping bentgrass, developed tolerance to -52°C in January. 'Baron', the hardiest Kentucky bluegrass, tolerated -48°C in January. 'NK 200', the hardiest perennial ryegrass, tolerated -36°C. Other varieties within these species attained different levels of cold tolerance. Onset of cold hardiness development was observed in July in some species while all grasses investigated were least hardy in May-June and hardiest in January. Rapid dehardening was observed under mild winter conditions. A review of the literature and current work on cold hardiness will be included. Physiological effects of cold stress and theories related to cold stress will also be discussed."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
White, D. B., and M. H. Smithberg. 1977. Cold hardening and dehardening in cool season grasses. Int. Turfgrass Soc. Annexe - Tech. Pap. p. 36.
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https://archive.lib.msu.edu/tic/its/articles/1977sup36.pdf
    Last checked: 03/17/2016
    Requires: PDF Reader
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