Full TGIF Record # 270949
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Web URL(s):http://www.newss.org/proceedings/Proceedings_NEPPSC16_Vol1.pdf#page=178
    Last checked: 03/15/2018
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Publication Type:
i
Proceedings
Content Type:Abstract or Summary Only
Author(s):Linde, D.; DeBroux, S.; McDonald, S.
Author Affiliation:Delaware Valley University, Doylestown, PA
Title:Post-emergent crabgrass control in lawns using alternatives to synthetic herbicides
Section:Turf and ornamentals
Other records with the "Turf and ornamentals" Section
Meeting Info.:Philadelphia, Pennsylvania: January 3-7, 2016
Source:Proceedings of the First Annual Meeting of the Northeastern Plant, Pest, and Soils Conference. 2016, p. 152-153.
Publishing Information:s.l.: Northeastern Weed Science Society; the Eastern Branch of the Entomological Society of America; the Northeastern Division of the American Phytopathological Society; the Northeast Branch of the American Society of Agronomy; the Crop Science Society of America; the Soil Science Society of America; and the American Society of Horticultural Science-Northeast Region
# of Pages:2
Keywords:TIC Keywords: Broadleaf weed control; Comparisons; Digitaria ischaemum; Evaluations; Fenoxaprop-ethyl; Postemergence herbicides
Abstract/Contents:"In recent years there has been some research published on using alternatives to synthetic herbicides to control broadleaf weeds post-emergently in turfgrass but little has been published or presented on using alternative herbicides to control crabgrass post-emergently. Therefore, a 2-year study was conducted to evaluate post-emergent crabgrass control in lawns using alternatives to synthetic herbicides. In 2014, 12 treatments arranged in a RCBD with 4 replications were applied to a lawn area in Doylestown, PA that contained smooth crabgrass (Digitaria ischaemum) and a mix of cool-season turfgrasses. The study was repeated in 2015 on a different site in Doylestown. Crabgrass age at time of initial treatment ranged from the 4-leaf to 1-tiller stage. Treatments included hand-pull, fenoxaprop (synthetic herbicide), pelargonic acid, a citric acid & clove oil mix, FeHEDTA, citrus oil, a eugenol & phenethyl propionate mix, rosemary oil, soybean oil, vinegar, glyphosate then seed perennial ryegrass, and an untreated control. Treatments were applied to 1 m2 plots as spot treatments for crabgrass using a hand-pump spray bottle and were re-applied 11 days after initial application to any remaining crabgrass. Glyphosate-treated plots were seeded with perennial ryegrass at 11 DAIT instead of reapplying glyphosate. Percent crabgrass cover was evaluated approximately every 7 days after initial treatment (DAIT) for 49 days. Transformations did not stabilize variance for percent 153 crabgrass cover data thus non-transformed data were subjected to ANOVA with means separated by Tukeys HSD. Untreated control plots were included in analysis. Turf quality was assessed visually according to NTEP standard practices where 9 was outstanding or ideal turf, 6 acceptable, and 1 was the poorest or dead turf. Hand-pull, fenoxaprop, and glypshosate/seed were the only treatments in both years to significantly reduce crabgrass cover compared to the untreated control by 49 DAIT. FeHEDTA had significantly less cover than the control in 2015 but not in 2014 by 49 DAIT. Various treatments (pelargonic acid, vinegar, citrus oil, eugenol & phenethyl propionate mix, rosemary oil, soybean oil, citric acid & clove oil mix) reduced crabgrass during the first few days after application but then the crabgrass recovered to levels equal to the control. These products injured the turfgrass as well as the crabgrass. Also, most treatments caused thinning of the turf and crabgrass canopy which led to additional crabgrass germination. Hand-pull and fenoxaprop were the only treatments that significantly reduced crabgrass without a major decline in turf quality. Therefore, hand-pull was the only alternative to synthetic herbicide treatment that provided acceptable crabgrass control."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Linde, D., S. DeBroux, and S. McDonald. 2016. Post-emergent crabgrass control in lawns using alternatives to synthetic herbicides. p. 152-153. In Proceedings of the First Annual Meeting of the Northeastern Plant, Pest, and Soils Conference. Philadelphia, Pennsylvania: January 3-7, 2016. s.l.: Northeastern Weed Science Society; the Eastern Branch of the Entomological Society of America; the Northeastern Division of the American Phytopathological Society; the Northeast Branch of the American Society of Agronomy; the Crop Science Society of America; the Soil Science Society of America; and the American Society of Horticultural Science-Northeast Region.
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http://www.newss.org/proceedings/Proceedings_NEPPSC16_Vol1.pdf#page=178
    Last checked: 03/15/2018
    Requires: PDF Reader
    Notes: Item is within a single large file
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