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Ying Qu, Xue Bai, Yajun Zhu, Rui Qi, Geng Tian, Yang Wang, Yonghua Li and Kaiming Zhang

generation of reactive oxygen species (ROS), such as hydroxyl radicals (·OH), superoxide anions (O 2 ·- ), and hydrogen peroxide. Although well known for the damage they cause to cells, ROS are considered signalling molecules in plant stress perception ( Zhou

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

turf quality of cool-season grass by affecting several physiological and biochemical factors ( Du et al., 2013 ; Fan et al., 2014 ). Heat and cold stress could lead to oxidative damages via the production of reactive oxygen species (ROS), such as

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Mingtao Zhu, Jun Yu, Sheng Wu, Meijun Wang and Guoshun Yang

presented more possibilities for controlling grape maturation. Reactive oxygen species (ROS), including superoxide radicals (O 2 – ) hydrogen peroxide (H 2 O 2 ), hydroxyl radicals, and singlet oxygen, play crucial roles as key regulators of growth

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Ryohei Koyama, Hiromichi Itoh, Syuji Kimura, Ai Morioka and Yuichi Uno

( Blokhina et al., 2003 ; Romani et al., 2002 ). These compounds evolved to detoxify reactive oxygen species in plants, but they also show beneficial activity against some human diseases related to oxidative damage and aging ( Fusco et al., 2007 ; Iwai

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M.E. El-Mahrouk, A.R. El-Shereif, Y.H. Dewir, Y.M. Hafez, Kh. A. Abdelaal, S. El-Hendawy, H. Migdadi and R.S. Al-Obeed

thidiazuron, induce hyperhydricity ( Dewir et al., 2018 ; Ivanova and Van Staden, 2011 ). As a consequence of the plant response to these in vitro stress conditions, the cell metabolism is altered and the production of reactive oxygen species (ROS) is

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Fei Xiong, Jieren Liao, Yuanchun Ma, Yuhua Wang, Wanping Fang and Xujun Zhu

tolerance of tomato ( Solanum lycopersicum L.) plants Plant Soil 331 313 327 Halliwell, B. 2006 Reactive species and antioxidants. Redox biology is a fundamental theme of aerobic life Plant Physiol. 141 312 322 Hasegawa, P.M. Bressan, R.A. Zhu, J. Bohnert

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Md. Aktar Hossain, Sooah Kim, Kyoung Heon Kim, Sung-Joon Lee and Hojoung Lee

; GraphPad Software, Inc., La Jolla, CA) to calculate the IC 50 , which is the amount of sample necessary to decrease the absorbance of DPPH by 50%. Reactive oxygen species (H 2 O 2 ) staining. Young leaves of lemon balm from each treatment were

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Lisa Tang, Shweta Chhajed, Tripti Vashisth, Mercy A. Olmstead, James W. Olmstead and Thomas A. Colquhoun

). Although the use of HC is well-documented, the underlying mechanism of its effects on budbreak is not completely understood. For grapevine, a reduction in catalase transcript levels and activity and the accumulation of the reactive oxygen species (ROS

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Yiran Li, Akiha Abe, Takuichi Fuse, Tomonari Hirano, Yoichiro Hoshino and Hisato Kunitake

recent years, several studies have investigated the cytosolic alterations in pollen tubes exposed to SI response. Reactive oxygen species, a potent signaling molecule, was easily affected by SI response in pollen tubes of Papaver rhoeas ( Wilkins et al

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Ju Ding, Kai Shi, Yan-Hong Zhou and Jing-Quan Yu

field experiments ( Khripach et al., 2000 ). Plants have a natural array of defense mechanisms to protect themselves from pathogenic organisms. Recently, the generation and scavenging system of reactive oxygen species (ROS) has attracted increasing