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Yali He and Bingru Huang

enzymes, stress duration, the level of temperatures, and plant species ( Almeselmani et al., 2006 ; Chaitanya et al., 2002 ; Dat et al., 1998 ; Foyer et al., 1997 ; Sairam et al., 2000 ). Plant species and cultivars with superior heat tolerance

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Zhou Li, Yan Peng, and Bingru Huang

(PGR) or biostimulants have been used to improve turfgrass tolerance to drought or heat stress, such as trinexapac-ethyl [TE ( Bian et al., 2009 ; Etemadi et al., 2015 ; Krishnan and Merewitz, 2015 )], abscisic acid [ABA ( Lu et al., 2009

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Emily B. Merewitz and Sha Liu

Schmidt, 2000 ). Oxidative stress and differential antioxidant system activity were two key factors that contributed to differences among cultivars of creeping bentgrass in heat tolerance ( Liu and Huang, 2000 ). In addition to the antioxidant system, the

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Hanseul Park, Eunhye Ko, and Yeh-Jin Ahn

, V. 2000 Chaperone activity of tobacco HSP18, a small heat-shock protein, is inhibited by ATP Plant J. 23 703 713 Song, N. Ahn, Y.-J. 2010 DcHsp17.7, a small heat shock protein from carrot, is upregulated under cold stress and enhances cold tolerance

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Jinyu Wang, Bo Yuan, Yi Xu, and Bingru Huang

both amino acids and proteins between different cultivars of plants contrasting in heat tolerance will enable the identification of the key metabolic processes controlling genetic variations in heat tolerance. Free amino acids are constituents of

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Abbas Lafta, Germán Sandoya, and Beiquan Mou

). Physiological disorders have an important G × E interaction that breeders must take into considerations when designing breeding strategies to improve heat tolerance in lettuce ( Jenni and Hayes, 2010 ; Jenni and Yan, 2009 ). The genetic basis of heat tolerance

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Huifei Shen, Bing Zhao, Jingjing Xu, Xizi Zheng, and Wenmei Huang

Rady, 2014a , 2014b ). Heat tolerance can be improved by genetic selection as well as with the use of exogenous regulators, which aid the adaptation of physiological response in plants. SA and Ca 2+ are recognized as signal molecules known for their

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Mikal E. Saltveit

-shock on chilling-induced injury in excised asparagus tissue, and to use this knowledge to develop a heat-shock treatment that would increase the chilling tolerance of whole asparagus spears. Excised and aged 1-cm segments were initially used for four

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Mohamad-Hossein Sheikh-Mohamadi, Nematollah Etemadi, and Mostafa Arab

., 2018 ). Turfgrass ecotypes exhibit different levels of tolerance to heat and cold. This has been evaluated by a number of researchers ( Du et al., 2009 ; Jiang and Huang, 2001 ). Turfgrass ecotypes differ greatly in their ability to resist heat and

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Min Wang, Wenrui Liu, Biao Jiang, Qingwu Peng, Xiaoming He, Zhaojun Liang, and Yu’e Lin

protected cultivation ( Wahid et al., 2007 ). Therefore, breeding cucumber cultivars with thermostability is a useful strategy for improving the heat tolerance of plants (Wahid et al., 2007). Furthermore, the identification and characterization of genes