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DOI:10.13128/ahs-19136
Web URL(s):http://www.fupress.net/index.php/ahs/article/download/19136/18582
    Last checked: 07/17/2017
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Publication Type:
i
Refereed
Author(s):Soufi, S.; Hamed, K. Ben; Arbaoui, M.; Elbey, N.; Rezgui, S.; Abdely, C.; Bettaeib, T.
Author Affiliation:Soufi, Arbaoui, Elbey, Rezgui, and Bettaeib: Laboratoire des Sciences Horticoles, Départment de Production Végétale, Institut National Agronomique de Tunisie, Tunis, Tunisie; Hamed and Abdely: Laboratoire des Plantes Extremophiles, Centre de Biotechnologie de Borj Cedria, Hammam Lif, Tunisia
Title:Effect of H2O2 pretreatment on the response of two seashore paspalum (Paspalum vaginatum Sw.) cultivars (Salam and Seaspray) to cold stress
Source:Advances in Horticultural Science. Vol. 30, No. 2, 2016, p. 103-109.
# of Pages:7
Publishing Information:Florence, Italy: Societa Toscana di Orticultura
Keywords:TIC Keywords: Cold stress; Cultivar evaluation; Hydrogen peroxide; Paspalum vaginatum
Cultivar Names:Salam; SeaSpray
Abstract/Contents:"Seashore paspalum is a warm season grass that requires few maintenance inputs. Expanded use of seashore paspalum could play a key role in making recreational sites more sustainable and environmentally. However, one key barrier to widespread Seashore paspalum use is a relative lack of winter hardiness. Under severe stress conditions, the antioxidant capacity may not be sufficient to minimize the harmful effect of oxidative injury. The search for signal molecules that mediate the stress tolerance is an important step in better understanding how plants acclimate to the adverse environment. This study aims to screen the responses of two Paspalum vaginatum cultivars (Salam and Seaspray) to local weather conditions and to study how to enhance its cold tolerance by a foliar pretreatment by hydrogen peroxide at low concentrations of 10 mM under controlled conditions. The current study provides evidence that exogenous H2O2 decreases the endogenous content of H2O2 in the first three days of exposure to cold stress in pretreated 'Seaspray' plants. In comparison to their control and pretreated 'Salam' which was in concomitant with malondialdehyde (MDA) changes. Indicating that pretreatment with 10 mM H202 could improve the tolerance of seashore paspalum to cold stress, especially cultivar Seaspray which showed better response to cold stress compared to 'Salam'. Exogenous H2O2 could constitute a signaling molecule that significantly increases perpxidase relative density, and decreases MDA and H2O2 content."
Language:English
References:23
See Also:Other items relating to: Seashore Paspalum - Since 2000
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Soufi, S., K. B. Hamed, M. Arbaoui, N. Elbey, S. Rezgui, C. Abdely, et al. 2016. Effect of H2O2 pretreatment on the response of two seashore paspalum (Paspalum vaginatum Sw.) cultivars (Salam and Seaspray) to cold stress. Advances in Horticultural Science. 30(2):p. 103-109.
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DOI: 10.13128/ahs-19136
Web URL(s):
http://www.fupress.net/index.php/ahs/article/download/19136/18582
    Last checked: 07/17/2017
    Requires: PDF Reader
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