Full TGIF Record # 324925
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/144842
    Last checked: 01/24/2023
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Chou, Ming-Yi; Huo, Daowen; Koch, Paul L.
Author Affiliation:Chou: Presenting Author and University of Wisconsin-Madison; Huo and Koch: University of Wisconsin-Madison
Title:Dollar spot suppressive soil microbiome and the association with management practices
Section:Turf pest management oral III
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C05 turfgrass science
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Meeting Info.:Baltimore, Maryland: November 6-9, 2022
Source:ASA, CSSA, SSSA International Annual Meeting. 2022, p. 144842.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Specific disease suppressive soil is a soil that naturally provides suppression of a disease through antagonistic microbial activities. Disease suppressive soils have been observed and studied in economically important crops such as wheat, but evidence of disease suppressive soils in turfgrass is lacking. This study aims to explore disease suppressive soils in golf course turfgrass targeting dollar spot (Clarireedia sp.), which is the most economically important disease of golf course turfgrass. Field soil from two geological regions, five states, totaled 14 locations with different levels of observed disease pressure and management intensities were collected for microbiome transplantation to a sterile potting mix. Penncross creeping bentgrass was then seeded into the transplanted potting mix, and Clarireedia jacksonii was inoculated into each pot to evaluate the disease suppressiveness of each soil. Dollar spot severity was assessed in each pot as well as the soil microbiome present within each pot. The results demonstrated that lower fungicide use intensity in the original field locations significantly correlated with increased dollar spot suppressiveness, suggesting that reduced fungicide application intensity may facilitate the formation of a dollar spot suppressive soil. Potential Clarireedia antagonistic microbes were identified but further validation of their utility as potential biocontrol agents is required. This study demonstrates a clear link between historical fungicide usage and biological disease suppression in golf course turfgrass and establishes a potential new avenue for researching turfgrass disease management and developing improved biological control strategies moving forward."
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chou, M.-Y., D. Huo, and P. L. Koch. 2022. Dollar spot suppressive soil microbiome and the association with management practices. Agron. Abr. p. 144842.
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    Last checked: 01/24/2023
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