Full TGIF Record # 235193
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DOI:10.1614/WT-D-13-00060.1
Web URL(s):http://www.bioone.org/doi/full/10.1614/WT-D-13-00060.1
    Last checked: 01/20/2014
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http://www.bioone.org/doi/pdf/10.1614/WT-D-13-00060.1
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Publication Type:
i
Refereed
Author(s):McCullough, Patrick E.; Yu, Jialin; Gómez de Barreda, Diego
Author Affiliation:McCullough: Assistant Professor; Yu: Graduate Assistant, Department of Crop and Soil Sciences, University of Georgia, Griffin, GA; Gómez de Barreda: Associate Professor, Universitat Politècnica de València, Valencia, Spain
Title:Efficacy of preemergence herbicides for controlling a dinitroaniline-resistant goosegrass (Eleusine indica) in Georgia
Section:Weed management - Major crops
Other records with the "Weed management - Major crops" Section
Source:Weed Technology. Vol. 27, No. 4, October-December 2013, p. 639-644.
Publishing Information:Champaign, Illinois: Weed Science Society of America
# of Pages:6
Related Web URL:http://www.bioone.org/doi/ref/10.1614/WT-D-13-00060.1
    Last checked: 01/20/2014
    Notes: Enhanced abstract only
Keywords:TIC Keywords: Application methods; Dimethenamid-P; Dinitroaniline resistance; Dithiopyr; Goosegrass control; Herbicide evaluation; Herbicide resistance; Indaziflam; Oxadiazon; Preemergence herbicides; Prodiamine
Abstract/Contents:"Goosegrass is a problematic weed in turfgrass, and overuse of dinitroaniline (dna) herbicides has resulted in evolution of resistant populations. The objectives of this research were to (1) evaluate responses of a susceptible (S) goosegrass compared to a suspected resistant (R) biotype from Griffin, GA to prodiamine, and (2) evaluate efficacy of various PRE herbicides for control. Prodiamine rates required for 50% control and 50% shoot reductions after 6 wk for R-goosegrass measured >13.44 and 3.2 kg ai ha-1, respectively, whereas rates for the S-population measured 0.45 and <0.42 kg ha-1, respectively. In field experiments, sequential applications of dithiopyr and prodiamine provided <20% control of R-goosegrass over 2 yr. Single applications of dimethenamid-P at 1.68 kg ai ha-1 provided <50% goosegrass control in 2011 but provided excellent control (≥90%) at 7 mo after initial treatments (MAIT) in 2012. Single and sequential applications of indaziflam provided excellent control of goosegrass in both years, and oxadiazon controlled goosegrass >85% at 7 MAIT in 2011 and ≥90% in 2012. Single and sequential PRE sulfentrazone applications controlled goosegrass <60% in 2011 but averaged 94% control in 2012. Overall, indaziflam and oxadiazon provided good (80 to 89%) to excellent control of dna-resistant goosegrass in both years, but dimethenamid and sulfentrazone were inconsistent."
Language:English
References:29
Note:Abstract also appears in Spanish
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCullough, P. E., J. Yu, and D. Gómez de Barreda. 2013. Efficacy of preemergence herbicides for controlling a dinitroaniline-resistant goosegrass (Eleusine indica) in Georgia. Weed Technol. 27(4):p. 639-644.
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DOI: 10.1614/WT-D-13-00060.1
Web URL(s):
http://www.bioone.org/doi/full/10.1614/WT-D-13-00060.1
    Last checked: 01/20/2014
    Access conditions: Item is within a limited-access website
http://www.bioone.org/doi/pdf/10.1614/WT-D-13-00060.1
    Last checked: 01/20/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited access website
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