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DOI: | 10.1002/jeq2.20021 |
Web URL(s): | https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/jeq2.20021 Last checked: 12/02/2020 Access conditions: Item is wihtin a limited-access website |
Publication Type: | Refereed |
Author(s): | Hutchens, W. J.; Gannon, T. W.; Shew, H. D.; Ahmed, K. A.; Kerns, J. P. |
Author Affiliation: | Hutchens, Shew, and Kerns: Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC; Gannon and Ahmed: Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC |
Title: | Soil surfactants influence fungicide movement in United States Golf Association putting green soil |
Section: | Technical reports Other records with the "Technical reports" Section |
Source: | Journal of Environmental Quality. Vol. 49, No. 2, March/April 2020, p. 450-459. |
Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
# of Pages: | 10 |
Related DOI | 10.1002/jeq2.20021 (Item description page) |
Keywords: | TIC Keywords: Azoxystrobin; Chemical soil analysis; Fungicide-surfactant combinations; Fungicides; Movement in soil; Myclobutanil; Propiconazole; Surfactants |
Trade Names: | Revolution; Fleet; Aquifer |
Abstract/Contents: | "The management of root and crown diseases of turfgrasses is challenging. To manage these diseases, golf course superintendents and other turfgrass managers often spray fungicides at a high carrier volume and irrigate after application to move fungicides into the root zone. Furthermore, previous research has demonstrated that soil surfactants can increase fungicide movement and distribution in soil. Two laboratory experiments were conducted using lysimeters, which were coated with sand on their inner walls to prevent preferential flow and contained 90/10% sand/peat moss (v/v), to determine the effects of soil surfactants on movement of selected fungicides in soil. The soil surface in the first experiment was treated three times at 2-wk intervals with one of three soil surfactants: Aquifer (propoxylated polyethylene glycols), Fleet (polyoxyalkylene polymers), and Revolution (modified alkylated polyol). The soil in the second experiment was treated with only Revolution four times at 2- to 3-wk intervals. Immediately after the final surfactant application, soil columns were treated with 14C-labeled fungicide. 14C-Myclobutanil was applied in the first experiment, and 14C-azoxystrobin and 14C-propiconazole were applied in the second experiment. In the first experiment, 14 percent units more of the recovered 14C-myclobutanil was detected in the 5- to 7.6-cm sampling depth, and >4 percent units more was detected in the 7.6- to 10.2-cm depth after soil surfactant application compared with the fungicide-alone treatment. Each soil surfactant also yielded >28% more leachate than the nontreated control. In the second experiment, the total recovered 14C-azoxystrobin and 14C-propiconazole in the 7.6- to 10.2-cm depth increased by 2.8 and 1.9 percent units, respectively, compared with soil treated with fungicide alone. These data indicate that soil surfactant inclusion may increase fungicide distribution in soil, which may enhance the efficacy of fungicides in suppressing root and crown diseases." |
Language: | English |
References: | 25 |
Note: | Tables Graphs |
ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Hutchens, W. J., T. W. Gannon, H. D. Shew, K. A. Ahmed, and J. P. Kerns. 2020. Soil surfactants influence fungicide movement in United States Golf Association putting green soil. J. Environ. Qual. 49(2):p. 450-459. |
Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/311414 |
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DOI: 10.1002/jeq2.20021 | |
Web URL(s) : | https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/jeq2.20021 Last checked: 12/02/2020 Access conditions: Item is wihtin a limited-access website |
MSU catalog number: | b2225072a |
Find from within TIC: | Digitally in TIC by record number. |
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