Full TGIF Record # 257040
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DOI:10.1002/ps.3853
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1002/ps.3853/full
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http://onlinelibrary.wiley.com/doi/10.1002/ps.3853/epdf
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Publication Type:
i
Refereed
Author(s):Yu, Jialin; McCullough, Patrick E.; Grey, Timothy
Author Affiliation:Yu and McCullough: Department of Crop and Soil Sciences, University of Georgia, Griffin; Grey: Department of Crop and Soil Sciences, University of Georgia, Tifton, GA
Title:Physiological effects of temperature on turfgrass tolerance to amicarbazone
Section:Research article
Other records with the "Research article" Section
Source:Pest Management Science. Vol. 71, No. 4, April 2015, p. 571-578.
Publishing Information:Barking, Essex, United Kingdom: Elsevier Science Publishers Ltd.
# of Pages:8
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1002/ps.3853/abstract
    Last checked: 04/02/2015
    Notes: Abstract only
Keywords:TIC Keywords: Amicarbazone; Application timing; Cynodon dactylon; Festuca arundinacea; Herbicide efficacy; Herbicide evaluation; Physiological responses; Poa annua control; Temperature response
Abstract/Contents:"BACKGROUND: Amicarbazone effectively controls annual bluegrass (Poa annua L.) in bermudagrass [Cynodon dactylon (L.) Pers. × C. transvaalensis Burtt-Davy] and tall fescue (Festuca arundinacea Schreb.) with spring applications, but summer applications may excessively injure tall fescue. The objective of this research was to investigate physiological effects of temperature on amicarbazone efficacy, absorption, translocation and metabolism in annual bluegrass, bermudagrass and tall fescue. RESULTS: At 25/20°C (day/night), annual bluegrass absorbed 58 and 40% more foliar-applied amicarbazone than bermudagrass and tall fescue, respectively, after 72 h. Foliar absorption increased at 40/35°C in all species, compared with 25/20°C, and tall fescue had similar absorption to annual bluegrass at 40/35°C. At 6 days after treatment, annual bluegrass metabolized 54% of foliar-applied amicarbazone, while bermudagrass and tall fescue metabolized 67 and 64% respectively. CONCLUSION: Tall fescue is more tolerant to amicarbazone than annual bluegrass at moderate temperatures (≅25/20°C) owing to less absorption and greater metabolism. However, tall fescue susceptibility to amicarbazone injury at high temperatures (40/35°C) results from enhanced herbicide absorption compared with lower temperatures (25/20°C). Bermudagrass is more tolerant to amicarbazone than annual bluegrass and tall fescue owing to less herbicide absorption, regardless of temperature."
Language:English
References:51
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Yu, J., P. E. McCullough, and T. Grey. 2015. Physiological effects of temperature on turfgrass tolerance to amicarbazone. Pest Management Science. 71(4):p. 571-578.
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DOI: 10.1002/ps.3853
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1002/ps.3853/full
    Last checked: 04/02/2015
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1002/ps.3853/epdf
    Last checked: 04/02/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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