Full TGIF Record # 233620
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Web URL(s):https://web.archive.org/web/20160212131602/http://www.turfgrasssociety.eu/home/articles/code/434?headline=Effect%20of%20Microbial%20Populations%20in%20Compost%20on%20the%20Suppression%20of%20Dollar%20Spot%20%28Sclerotinia%20homoeocarpa%29
    Last checked: 04/15/2016
Publication Type:
Author(s):Workman, J. B.; Waltz, F. C. Jr.
Title:Effect of microbial populations in compost on the suppression of dollar spot (Sclerotinia homoeocarpa)
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 stolonifera; Composts; Disease control; Disease profile; Dollar spot; Fungicide resistance; Microbial activity; Sclerotinia homoeocarpa
Abstract/Contents:"One of the most common fungal diseases on golf courses, athletic fields, and home lawns is dollar spot, caused by Sclerotinia homoeocarpa. More money is spent managing dollar spot on golf courses than any other turfgrass disease. Epidemics occur when temperatures rise above 10°C, and continue until temperatures exceed 32°C. The disease is characterized by straw-colored, sunken spots approximately 5 cm in diameter on closely mown turf. While fungicides are commonly used to control dollar spot, development of fungicide resistant populations and associated costs has stimulated the need to study other methods of disease management. An alternative in turfgrass disease management is the development and use of organic composts that can be incorporated into golf course maintenance by replacing sand used in topdressings. The use of composts for disease suppression in the turfgrass industry can potentially be beneficial both ecologically and economically. Results from previous research indicate that creeping bentgrass plots treated with preventative compost applications once a month developed less dollar spot compared to the control plots. However, variability among composts of various sources for control of turfgrass diseases indicates that further research is needed to identify effective materials. A better understanding of microbial ecology and performance of biocontrol agents could allow compost to become a more reliable source for disease management. The objectives of this research were to evaluate composts ability to limit the severity of dollar spot and to assess microbial activity associated with compost of different origins. This study showed that microbial populations influenced dollar spot infection but was not consistent among composts. These results indicate there is opportunity for some composts materials to be incorporated into the turfgrass ecosystem for disease management and to mitigate pesticide use."
Note:Summary appears as abstract
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Workman, J. B., and F. C. Jr. Waltz. 2012. Effect of microbial populations in compost on the suppression of dollar spot (Sclerotinia homoeocarpa). Eur. Turfgrass Soc. Conf. Proc. 3:p. Unknown.
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    Last checked: 04/15/2016
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