Full TGIF Record # 310341
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Web URL(s):https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/120904
    Last checked: 02/05/2020
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Stephens, Cameron; Kerns, James P.; Gannon, Travis W.
Author Affiliation:Stephens: North Carolina State University, Fuquay Varina, NC; Kerns: Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC; Gannon: Crop and Soil Sciences, North Carolina State University, Raleigh, NC
Title:Where does your fungicide go? Fungicide fate following various mowing and irrigation treatments
Section:C05 turfgrass science
Other records with the "C05 turfgrass science" Section

Golf turf management oral 1: Cultural practices, physiology, and water (includes student competition)
Other records with the "Golf turf management oral 1: Cultural practices, physiology, and water (includes student competition)" Section
Meeting Info.:San Antonio, Texas: November 10-13, 2019
Source:ASA, CSSA and SSSA International Annual Meetings. 2019, p. 120904.
# of Pages:1
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
Keywords:TIC Keywords: Fungicide application; Fungicide evaluation; Liquid chromatography; Mowing timing; Penthiopyrad; Pesticide fate; Pyraclostrobin; Triadimefon; Watering-in
Abstract/Contents:"Irrigation is typically applied immediately following fungicide applications when targeting root diseases in golf course putting greens. However, the fate of fungicides following post-application mowing and irrigation is not well documented. The objective of this study was to determine the influence of post-application mowing and irrigation timing on fungicide amounts in turfgrass clippings and the soil profile. Single fungicide applications of pyraclostrobin, triadimefon, and penthiopyrad were applied and 0.64 cm of post-application irrigation was applied either immediately or 6 hours following fungicide application. Turfgrass clippings were collected at 0, 1, or 3 days after treatment (DAT). Soil cores were collected 0, 1, 3, 5, 7, and 14 DAT and dissected into remaining above ground vegetation (RAV), 0-2.54cm, 2.54-5.08cm, and 5.08-7.62cm depths. All samples were homogenized and fungicide residue was analyzed using liquid chromatography mass spectrophotometry. Fungicide recovery as percent of applied ranged from 90-93%, 92-99%, and 92-95% at 0 DAT for pyraclostrobin, triadimefon, and penthiopyrad, respectively. Only a minor amount of fungicide (0.19-2.31%) was removed with turfgrass clippings regardless of mowing and irrigation treatment. Fungicide was detected in the 5.08 to 7.62-cm depth at 14 DAT only when irrigated immediately. Less penthiopyrad was detected in the RAV and total fungicide recovery was greater through 5 DAT compared to pyraclostrobin and triadimefon. More penthiopyrad was detected in the 0-2.54cm depth at 1 DAT compared to pyraclostrobin and triadimefon. Post-application management practices may significantly influence fungicide removal with turfgrass clippings and fungicide movement through the soil profile."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Stephens, C., J. P. Kerns, and T. W. Gannon. 2019. Where does your fungicide go? Fungicide fate following various mowing and irrigation treatments. Agron. Abr. p. 120904.
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