Full TGIF Record # 315853
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Web URL(s):https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/cft2.20098
    Last checked: 11/08/2021
    Last checked: 11/08/2021
    Requires: PDF Reader
Publication Type:
Author(s):Maxwell, Patrick J.; Gannon, Travis W.
Author Affiliation:Dep. of Crop and Soil Science, NC State Univ., Raleigh, NC
Title:Post-application irrigation timing affects dislodgeable azoxystrobin foliar residue
Section:Applied turfgrass science
Other records with the "Applied turfgrass science" Section
Source:Crop, Forage and Turfgrass Management. Vol. 7, No. 1, June 2021, p. e20098.
Publishing Information:Madison, Wisconsin: American Society of Agronomy and Crop Science Society of America
# of Pages:11
Related Web URL:https://acsess.onlinelibrary.wiley.com/doi/abs/10.1002/cft2.20098
    Last checked: 11/08/2021
    Notes: Abstract only
Abstract/Contents:"Azoxystrobin is a systemic broad-spectrum fungicide used extensively in turfgrass. Previous research has shown post-application irrigation can reduce dislodgeable pesticide residues from turf; however, this management practice has not been evaluated to determine its effect on dislodgeable azoxystrobin residue or if altering post-application irrigation timing (PAIT) can influence dislodgeable azoxystrobin. Field research was completed to assess the effect of PAIT, sample collection timing within a day and over days on dislodgeable azoxystrobin residue from perennial ryegrass (Lolium perenne L.). Research was completed in Raleigh, NC, to quantify dislodgeable azoxystrobin (0.54 lb a.i. acre-1) from perennial ryegrass foliage prior to and following PAIT (0.25 inch H2O) immediate, 4, or 144 hours after treatment (HAT). Sample collections occurred 1, 2, 3, 6, 12 or 24 days after treatment (DAT) at 7:00 a.m. or 2:00 p.m. EST. From 1 to 6 DAT, treatments irrigated immediately reduced dislodgeable azoxystrobin foliar residue (<0.1-6.8% of applied) more than those irrigated 4 HAT (0.4-10.3%); which were both less than withholding irrigation 144 HAT (1.3-15.5%). Across PAIT more azoxystrobin was dislodged in the morning (1.0-12.7% of applied) compared to the afternoon (0.2-9.0%) from 1 through 6 DAT. This research will enhance turfgrass management practices intended to limit human pesticide exposure and provide information pertaining to azoxystrobin dissipation kinetics in turfgrass systems."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Maxwell, P. J., and T. W. Gannon. 2021. Post-application irrigation timing affects dislodgeable azoxystrobin foliar residue. Crop, Forage and Turfgrass Management. 7(1):p. e20098.
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DOI: 10.1002/cft2.20098
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    Last checked: 11/08/2021
    Last checked: 11/08/2021
    Requires: PDF Reader
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