Full TGIF Record # 302183
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Web URL(s):https://scisoc.confex.com/scisoc/2018am/meetingapp.cgi/Paper/111822
    Last checked: 11/16/2018
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Publication Type:
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Report
Content Type:Abstract or Summary only
Author(s):Hutchens, Wendell J.; Kerns, James P.; Gannon, Travis W.; Shew, Howard David
Author Affiliation:Hutchens, Kerns, and Shew: Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC; Gannon: Crop and Soil Sciences, North Carolina State University, Raleigh, NC
Title:Influence of soil surfactants on fungicide movement in a US Golf Association green specification soil
Section:C05 turfgrass science
Other records with the "C05 turfgrass science" Section

Applied pest management: Diseases and weeds (Includes student competition)
Other records with the "Applied pest management: Diseases and weeds (Includes student competition)" Section
Meeting Info.:Baltimore, Maryland: November 4-7, 2018
Source:ASA, CSSA and SSSA International Annual Meetings. 2018, p. 111822.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Canadian Society of Agronomy]
# of Pages:1
Keywords:TIC Keywords: Disease control; Fungicide application; Golf greens; Root zone; Soil movements; Surfactants; USGA recommendations; Wetting agents
Abstract/Contents:"The affinity that many fungicides have for soil particles and organic matter along with the dense foliage and thatch layer in turfgrass systems make delivery of fungicides to the rootzone difficult; therefore, soil-borne turfgrass diseases are a challenge to manage. Golf course superintendents and other turfgrass managers use various methods to move fungicides into the rootzone to optimize fungicide efficacy. These practices include spraying fungicides at a higher carrier volume and/or irrigating after fungicide applications. Application of soil surfactants may offer another method for increasing fungicide movement in soil. A laboratory experiment was conducted in Raleigh, NC to evaluate the effect of soil surfactant inclusion on fungicide distribution in soil. Sand coated lysimeters were packed with 90% sand/10% peat (v/v) constructed according to United States Golf Association guidelines to a bulk density of 1.4 g cm-3. The soil was treated three times on 2-week intervals with one of three soil surfactants (Aquifer, Fleet, or Revolution) at a rate of 12.7 L ha-1 and irrigated with 0.6 cm of water after each application. Immediately after the third soil surfactant application, 14C myclobutanil was applied (1,528.8 g a.i. ha-1; 0.743 μCi lysimeter-1) and immediately irrigated with 0.6 cm of water. Leachate and soil moisture content were also recorded throughout the experiment. Less than 2% of myclobutanil was recovered below 7.6 cm for the non-treated control. However, on average, >2% of myclobutanil was recovered in the 7.6-10.2 cm sampling depth when soil was treated with any of the soil surfactants. Downward movement of myclobutanil was greater with soil surfactant application, but there were no differences among evaluated soil surfactants. After three soil surfactant treatments, there was more leachate collected when columns were treated with any of the soil surfactants than the non-treated control."
Language:English
References:0
See Also:See also related article "Soil surfactants and fungicide movement" Golf Course Management, 87(11) November 2019, p. 87, R=309503. R=309503
Note:This item is an abstract only!
"140-8"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hutchens, W. J., J. P. Kerns, T. W. Gannon, and H. D. Shew. 2018. Influence of soil surfactants on fungicide movement in a US Golf Association green specification soil. Agron. Abr. p. 111822.
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