Full TGIF Record # 277991
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DOI:10.1614/WT-D-15-00173.1
Web URL(s):http://www.bioone.org/doi/pdf/10.1614/WT-D-15-00173.1
    Last checked: 11/17/2016
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http://www.bioone.org/doi/10.1614/WT-D-15-00173.1
    Last checked: 11/29/2016
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Publication Type:
i
Refereed
Author(s):Svyantek, Andrej W.; Aldahir, Phillipe; Chen, Shu; Flessner, Michael L.; McCullough, Patrick E.; Sidhu, Sudeep S.; McElroy, J. Scott
Author Affiliation:Svyantek: Graduate Research Assistant, Department of Horticulture, Auburn University, Auburn, AL; Aldahir: Graduate Research Assistant, Department of Crops, Soils, and Environmental Sciences, Auburn University, Auburn, AL; Chen: Associate Professor, Department of Grassland Science, College of Forestry and Architecture, South China Agricultural University, Guangzhou, China; Flessner: Assistant Professor, Department of Plant Pathology, Physiology, and Weed Science, Virginia Tech University, Blacksburg, VA; McCullough: Associate Professor, Department of Crop and Soil Sciences, University of Georgia, Athens, GA; Sidhu: Postdoctoral Research Associate, Department of Crop and Soil Sciences, University of Georgia, Athens, GA; McElroy: Professor, Department of Crops, Soils, and Environmental Sciences, Auburn University, Auburn, AL
Title:Target and nontarget resistance mechanisms induce annual bluegrass (Poa annua) resistance to atrazine, amicarbazone and diuron
Source:Weed Technology. Vol. 30, No. 3, July-September 2016, p. 773-782.
Publishing Information:Champaign, Illinois: Weed Science Society of America
# of Pages:10
Related Web URL:http://www.bioone.org/doi/abs/10.1614/WT-D-15-00173.1
    Last checked: 11/17/2016
    Notes: Abstract only
Keywords:TIC Keywords: Amicarbazone; Atrazine; Biotypes; Diuron; Herbicide resistance; Mechanism of resistance; Photosystem II; Poa annua
Abstract/Contents:"Annual bluegrass is a weed species in turfgrass environments known for exhibiting resistance to multiple herbicide modes of action, including photosystem II (PSII) inhibitors. To evaluate populations of annual bluegrass for susceptibility to PSII inhibitors of varied chemistries, populations were treated with herbicides from triazolinone, triazine, and substituted urea families: amicarbazone, atrazine, and diuron, respectively. Sequencing of the psbA gene confirmed the presence of a Ser264 to Gly amino acid substitution within populations that exhibited resistance to both atrazine and amicarbazone. A single biotype, DR3, which lacked any previously reported psbA gene point mutation, exhibited resistance to diuron, atrazine, and amicarbazone. DR3 had a significantly lower rate of absorption and translocation of atrazine and had enhanced atrazine metabolism when compared with both the Ser264 to Gly resistant mutant and susceptible biotypes. We thus report possible nontarget mechanisms of resistance to PSII-inhibiting herbicides in annual bluegrass."
Language:English
References:49
Note:Abstract also appears in Spanish
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Svyantek, A. W., P. Aldahir, S. Chen, M. L. Flessner, P. E. McCullough, S. S. Sidhu, et al. 2016. Target and nontarget resistance mechanisms induce annual bluegrass (Poa annua) resistance to atrazine, amicarbazone and diuron. Weed Technol. 30(3):p. 773-782.
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DOI: 10.1614/WT-D-15-00173.1
Web URL(s):
http://www.bioone.org/doi/pdf/10.1614/WT-D-15-00173.1
    Last checked: 11/17/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
http://www.bioone.org/doi/10.1614/WT-D-15-00173.1
    Last checked: 11/29/2016
    Access conditions: Item is within a limited-access website
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