Full TGIF Record # 248000
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DOI:10.2135/cropsci2013.07.0511
Web URL(s):https://dl.sciencesocieties.org/publications/cs/articles/54/4/1816
    Last checked: 11/07/2016
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/54/4/1816
    Last checked: 11/07/2016
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Publication Type:
i
Refereed
Author(s):Sidhu, Sudeep S.; Yu, Jialin; McCullough, Patrick E.
Author Affiliation:Dep. of Crop and Soil Sciences, Univ. of Georgia, Griffin, GA
Title:Physiological behavior of ethephon in five turfgrasses
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 54, No. 4, July/August 2014, p. 1816-1822.
Publishing Information:Madison, Wisconsin: Crop Science Society of America
# of Pages:7
Related Web URL:https://dl.sciencesocieties.org/publications/cs/abstracts/54/4/1816
    Last checked: 11/07/2016
    Notes: Abstract only
https://dl.sciencesocieties.org/publications/cs/articles/54/4/1816?show-t-f=tables&wrapper=no
    Last checked: 11/07/2016
    Notes: Tables only
Keywords:TIC Keywords: Agrostis stolonifera; Chemical injury; Ethephon; Growth regulator evaluation; Paspalum vaginatum; Plant growth regulators; Poa annua; Seedhead inhibition; Zoysia
Abstract/Contents:"Turfgrass seedhead emergence often warrants plant growth regulator (PGR) use for suppression, but practitioners have limited chemistries available for warm-season species. Ethephon effectively suppresses turfgrass seedheads, but injury to bermudagrass and seashore paspalum is often excessive. Experiments were conducted to evaluate differential behavior of ethephon in bermudagrass and seashore paspalum, compared with annual bluegrass, creeping bentgrass, and zoysiagrass. In greenhouse experiments, ethephon was most injurious to bermudagrass and seashore paspalum, ranging 19 to 40% from 3 to 28 d after treatment (DAT), while annual bluegrass, creeping bentgrass, and zoysiagrass had less injury, ranging 9 to 21%, across three application rates (1.9, 3.8, or 7.6 kg a.i. ha-1). In laboratory experiments, foliar absorption of 14C-ethephon generally increased from 24 to 96 h after treatment (HAT), but differences among species were not detected. Creeping bentgrass and zoysiagrass retained >90% of foliar applied 14C in treated leaves, but bermudagrass and seashore paspalum distributed ~25% more 14C to nontreated shoots. From root absorption, bermudagrass and seashore paspalum distributed ~25% less 14C to shoots than creeping bentgrass at 72 HAT. Annual bluegrass 14C distribution after foliar and root absorption was similar to all species, except creeping bentgrass. There were no meaningful differences in turfgrass metabolism levels of 14C-ethephon at 1, 4, or 7 DAT. Results suggest differential levels of distribution after root and shoot absorption could be associated with bermudagrass and seashore paspalum sensitivity to ethephon compared with turfgrasses with less injury potential."
Language:English
References:40
See Also:Other items relating to: Seashore Paspalum - Since 2000
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sidhu, S. S., J. Yu, and P. E. McCullough. 2014. Physiological behavior of ethephon in five turfgrasses. Crop Sci. 54(4):p. 1816-1822.
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DOI: 10.2135/cropsci2013.07.0511
Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/54/4/1816
    Last checked: 11/07/2016
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/54/4/1816
    Last checked: 11/07/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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