Full TGIF Record # 309572
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Web URL(s):https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/120104
    Last checked: 12/04/2019
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Boyd, Adam P.; Han, David Y.; Guertal, Elizabeth A.
Author Affiliation:Department of Crop, Soil and Environmental Sciences, Auburn University, Auburn University, AL
Title:Pre- and post-emergent herbicides for control of wild poinsettia in Alabama roadsides
Section:C05 turfgrass science
Other records with the "C05 turfgrass science" Section

Turfgrass pest management poster: Diseases, insects, weeds (includes student competition)
Other records with the "Turfgrass pest management poster: Diseases, insects, weeds (includes student competition)" Section
Meeting Info.:San Antonio, Texas: November 10-13, 2019
Source:ASA, CSSA and SSSA International Annual Meetings. 2019, p. 120104.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Keywords:TIC Keywords: Annual weeds; Euphorbia heterophylla; Herbicide evaluation; Herbicide rates; Percent living ground cover; Percent weed cover; Postemergence herbicides; Preemergence herbicides; Weed control
Geographic Terms:Alabama
Abstract/Contents:"The prevalence of wild poinsettia (Euphorbia heterophylla), a warm-season annual, along roadsides has become a major problem. Its tall growth is a major safety concern for motorists because it drastically reduces visibility. Data regarding the control of wild poinsettia in rights of way is scarce. Field trials were conducted in 2018 and 2019 to evaluate different herbicides and rates for pre-emergent (PRE) and post-emergent (POST) control of wild poinsettia on roadsides in Alabama. PRE herbicides were applied in March of 2018 and 2019 and included indaziflam, sulfentrazone, and flumioxazin. POST herbicides were applied beginning in May in 2018 and April in 2019 alone and in combination with PRE herbicides. POST treatments were aminocyclopyrachlor, imazapic, indaziflam + aminocyclopyrachlor, indaziflam + aminocyclopyrachlor, metribuzin + aminocyclopyrachlor, sulfentrazone + aminocyclopyrachlor, imazapic + indaziflam, imazapic + indaziflam, imazapic + metribuzin, and imazapic + sulfentrazone. Trials were rated for weed cover, weed control, and desirable turfgrass density percentages on a monthly basis. In 2018, indaziflam (0.25, 0.35 L ha-1), sulfentrazone, and flumioxazin all provided PRE wild poinsettia control (89-97.5%). However, control of wild poinsettia created an opportunity for the germination and growth of other weed species. The plots receiving flumioxazin maintained the highest level of control over a wider spectrum of weeds compared to other treatments. The highest level of POST control was obtained with aminocyclopyrachlor (0.29, 0.58, 0.88 L ha-1), and sulfentrazone + aminocyclopyrachlor (0.29 L ha-1), with sulfentrazone + aminocyclopyrachlor yielding the highest control at 93.3%. All treatments that included imazapic resulted in high levels of injury to desirable turfgrass and should be avoided."
Note:This item is an abstract only!
"Poster #1636"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Boyd, A. P., D. Y. Han, and E. A. Guertal. 2019. Pre- and post-emergent herbicides for control of wild poinsettia in Alabama roadsides. Agron. Abr. p. 120104.
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