Full TGIF Record # 203536
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DOI:10.21273/JASHS.137.2.96
Web URL(s):https://journals.ashs.org/jashs/view/journals/jashs/137/2/article-p96.xml
    Last checked: 04/30/2020
https://journals.ashs.org/jashs/downloadpdf/journals/jashs/137/2/article-p96.xml
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Publication Type:
i
Refereed
Author(s):Yang, Zhimin; Yu, Jingjin; Merewitz, Emily; Huang, Bingru
Author Affiliation:Yang: Horticulture College, Nanjing Agricultural University, Nanjing; Yu: School of Soil and Water Conservation, Beijing Forestry University, Beijing, China; Merewitz and Huang: Department of Plant Biology and Pathology, Rutgers University, New Brunswick, NJ
Title:Differential effects of abscisic acid and glycine betaine on physiological responses to drought and salinity stress for two perennial grass species
Section:Environmental stress physiology
Other records with the "Environmental stress physiology" Section
Source:Journal of The American Society for HorticulturalScience. Vol. 137, No. 2, March 2012, p. 96-106.
Publishing Information:Alexandria, Virginia: American Society for Horticultural Science
# of Pages:11
Keywords:TIC Keywords: Abscisic acid; Agrostis stolonifera; Drought injury; Foliar feeding; Glycine betaine; Peroxidase; Physiological processes; Poa pratensis; Relative water content; Salinity stress; Soil water content; Stress response; Superoxide dismutase
Abstract/Contents:"Abscisic acid (ABA) and glycine betaine (GB) may regulate plant responses to drought or salinity stress. The objectives of this controlled-environment study were to determine whether foliar application of ABA or GB improves turf quality under drought or salinity and whether improved stress responses were associated changes in antioxidant metabolism in two C3 turfgrass species, creeping bentgrass (Agrostis stolonifera) and Kentucky bluegrass (Poa pratensis). Physiological parameters evaluated included turf quality, leaf relative water content, membrane electrolyte leakage (EL), membrane lipid peroxidation [expressed as malondialdehyde (MDA) content], and activity of superoxide dismutase (SOD), peroxidase (POD), and ascorbate peroxidase (APX). Abscisic acid and GB were both effective in mitigating physiological damage resulting from drought or salinity for both grass species, but effects were more pronounced on Kentucky bluegrass. The most notable effects of ABA or GB application were the suppression of EL and MDA accumulation and an increase in APX, POD, and SOD activities after prolonged periods of drought (21 days) or salinity stress (35 days). These results suggest foliar application of ABA or GB may alleviate physiological damage by drought or salinity stress in turfgrass and the maintenance of membrane stability and active antioxidant metabolism could contribute to the positive effects in the stress mitigation effects."
Language:English
References:56
See Also:Other items relating to: Breeding for Drought

Other items relating to: Salinity Management For Cool Season Grasses
Note:Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Yang, Z., J. Yu, E. Merewitz, and B. Huang. 2012. Differential effects of abscisic acid and glycine betaine on physiological responses to drought and salinity stress for two perennial grass species. J. Am. Soc. Hortic. Sci. 137(2):p. 96-106.
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DOI: 10.21273/JASHS.137.2.96
Web URL(s):
https://journals.ashs.org/jashs/view/journals/jashs/137/2/article-p96.xml
    Last checked: 04/30/2020
https://journals.ashs.org/jashs/downloadpdf/journals/jashs/137/2/article-p96.xml
    Last checked: 04/30/2020
    Requires: PDF Reader
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