Full TGIF Record # 233642
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Web URL(s):https://web.archive.org/web/20160212164312/http://www.turfgrasssociety.eu/home/articles/code/397?headline=Effect%20Of%20Snow%20Cover%20On%20The%20Degradation%20Of%20The%20Fungicides%20Iprodione%20And%20Chlorothalonil%20On%20Golf%20Course%20Turfgrass.
    Last checked: 04/18/2016
    Access conditions: Item is within a limited-access website
    Notes: Guide page
Publication Type:
Author(s):Koch, P. L.; Stier, J. C.; Kerns, J. P.
Title:Effect of snow cover on the degradation of the fungicides iprodione and chlorothalonil on golf course turfgrass
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: Application rates; Chlorothalonil; Disease control; Enzyme-linked immunosorbent assay; Fungicide evaluation; Iprodione; Microdochium nivale; Photodegradation; Snow
Abstract/Contents:"Snow mold pathogens, such as Microdochium nivale, cause significant damage to turfgrass in temperate climates throughout the world. A single fungicide application made in the fall is expected to prevent snow mold development until snowmelt in the spring. Regions that experience loss of snow cover during winter may observe reduced efficacy of fungicides due to photodegradation or other means. Commercially available enzyme-linked immunosorbent assay (ELISA) kits were used to determine the foliar concentration of the fungicides iprodione and chlorothalonil throughout the winter in the presence and absence of snow cover. In addition, cores sampled from the experimental area were inoculated with M. nivale to determine the minimum fungicide concentration required to suppress M. nivale infection. The presence of snow cover did not affect the concentration of either fungicide when soil temperatures remained below 0oC at a 5cm depth. However, when soil temperatures consistently eclipsed 0oC, fungicide concentration rapidly declined. As a result, severe blighting was observed on fungicide-treated plants collected from field plots that were inoculated with M. nivale. This suggests that photodegradation plays a minor role in the degradation of these two fungicides, and that microbial metabolism regulated through soil temperature may play a significant role. This study will be repeated during the winter of 2011-2012, and the final results will provide a clearer picture of fungicide fate in a winter environment."
Note:Summary appears as abstract
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Koch, P. L., J. C. Stier, and J. P. Kerns. 2012. Effect of snow cover on the degradation of the fungicides iprodione and chlorothalonil on golf course turfgrass. 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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