Full TGIF Record # 233644
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Web URL(s):https://web.archive.org/web/20160212164759/http://www.turfgrasssociety.eu/home/articles/code/398?headline=Evaluation%20of%20Resistance%20to%20Pink%20Snow%20Mold%20of%20Velvet%20Bentgrass%20Cultivars%20in%20Controlled%20Environments
    Last checked: 04/18/2016
    Access conditions: Item is within a limited-access website
    Notes: Guide page
Publication Type:
Author(s):Espevig, T.; Tronsmo, A.; Hjeljord, L.; Huang, B.; Xu, C.; DaCosta, M.; Clarke, B. B.; Tronsmo, A. M.; Aamlid, T. S.
Title:Evaluation of resistance to pink snow mold of velvet bentgrass cultivars in controlled environments
Meeting Info.:Kristiansand, Norway: June 24-26, 2012
Source:3rd European Turfgrass Society Conference Proceedings. Vol. 3, 2012, p. Unknown.
# of Pages:0
Publishing Information:Angers, France: European Turfgrass Society
Keywords:TIC Keywords: Agrostis canina; Agrostis stolonifera; Cold resistance; Cultivar evaluation; Disease susceptibility; Microdochium nivale
Cultivar Names:Avalon; Greenwich; Legendary; Villa; Venus; Vesper; Penn A-4
Abstract/Contents:"Winter injury of temperate grasses used for turf is a significant problem in northern climatic regions. Field trials at two locations in Norway previously demonstrated differences in winter survival between two Agrostis species, velvet bentgrass (Agrostis canina L.) and creeping bentgrass (Agrostis stolonifera L.). Up to six velvet bentgrass cultivars Avalon, Greenwich, Legendary, Villa, Venus and Vesper and creeping bentgrass 'Penn A-4' were tested under controlled environmental conditions for freezing tolerance and susceptibility to Microdochium nivale under different simulated winter covers (uncovered, snow, and ice) for 6 and 12 weeks. Additional study was performed to determine the crown carbohydrate and protein changes at different stages of cold acclimation of velvet bentgrass and creeping bentgrass. Cold acclimation significantly improved freezing tolerance, resistance to pink snow mold, and tolerance to anoxia. Differences in freezing tolerance between velvet bentgrass and creeping bentgrass 'Penn A-4' and among velvet bentgrass cultivars were generally not significant, but 'Penn A-4' was more resistant to M. nivale than velvet bentgrass cultivars when non-acclimated. The similar freezing tolerance in velvet bentgrass and creeping bentgrass was associated with generally similar levels of sucrose in crown tissue. But fructan content was much higher in creeping bentgrass than in velvet bentgrass. Increased freezing tolerance in response to cold acclimation was associated with enhanced amino acid synthesis, since serine hydroxymethyltrasferase and methionine synthase were up-regulated by acclimation. The first acclimation stage caused more changes in the crown protein composition than subzero acclimation."
Note:Summary appears as abstract
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Espevig, T., A. Tronsmo, L. Hjeljord, B. Huang, C. Xu, M. DaCosta, et al. 2012. Evaluation of resistance to pink snow mold of velvet bentgrass cultivars in controlled environments. Eur. Turfgrass Soc. Conf. Proc. 3:p. Unknown.
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    Last checked: 04/18/2016
    Access conditions: Item is within a limited-access website
    Notes: Guide page
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