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| Web URL(s): | https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143567
Last checked: 01/31/2023
Requires: JavaScript; HTML5 |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Tucker, Matthew;
Hutchens, Wendell J.;
McCall, David S. |
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| Author Affiliation: | Tucker: Preenting Author and Virginia Tech; Hutchens: University of Arkansas; McCall: Virginia Tech |
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| Title: | Air flow and adjuvants: Alternative dollar spot management strategies |
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| Section: | Turfgrass pest management poster: Diseases, insects, weeds I (includes student competition)
Other records with the "Turfgrass pest management poster: Diseases, insects, weeds I (includes student competition)" Section
C05 turfgrass science
Other records with the "C05 turfgrass science" Section
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| Meeting Info.: | Baltimore, Maryland: November 6-9, 2022 |
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| Source: | ASA, CSSA, SSSA International Annual Meeting. 2022, p. 143567. |
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| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
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| # of Pages: | 1 |
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| Abstract/Contents: | "Two independent studies were conducted evaluating alternative management strategies for dollar spot. The air flow study was a randomized block design with 3 replications across 4 distances (0.91, 1.82, 2.74, and 3.66 m). Research was conducted on a 'L-93' creeping bentgrass maintained as a golf course putting green from July 24th to August 11th 2020.Treatments included the presence and absence of fans. Measurements were recorded on 6 dates that included dew weight (g), dollar spot counts, wind speed (km/h), temperature (C), relative humidity (%), and dew point (C). The adjuvant study was a 2x3 factorial design with 4 replications evaluating the presence or absence of the selected adjuvant (Vivax) and the presence of one of 3 fungicides (chlorothanlonil, fluxapyroxad, and nontreated). The location of this study was similar to the fan study and the time frame was slightly different ranging from July 24th to August 14th 2020. Measurements were assessed at 7 different dates and included dollar spot counts, % dollar spot, turf quality (1-9), and dew weight (g). Statistical analysis for both studies was completed using JMP PRO 16 (Cary, NC). An analysis of variance for the impact of air movement suggests that the presence of fans reduced dew weight and increased wind speed. Distances of 2.74m were impacted more by disease incidence than all other distances with or without fans present. An analysis of variance for the impact of fungicide and/or Vivax suggest that fungicide was responsible for reduction in dollar spot incidence, treatments of Vivax led to a reduction in dew weight, and differences in overall treatment were driven by fungicide. Overall, this data suggests that air movement and Vivax reduce dew; however, these strategies alone were ineffective at reducing dollar spot incidence." |
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| Language: | English |
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| References: | 0 |
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| Note: | "204"
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tucker, M., W. J. Hutchens, and D. S. McCall. 2022. Air flow and adjuvants: Alternative dollar spot management strategies. Agron. Abr. p. 143567. |
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Last checked: 01/31/2023
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