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Ao Liu, Jibiao Fan, Margaret Mukami Gitau, Liang Chen and Jinmin Fu

, such as superoxide dismutase (SOD), peroxidase (POD), and ascorbate peroxidase (APX) ( Hu et al., 2012 ; Meloni et al., 2003 ). Also, high salinity can alter normal plant processes. Studies have revealed that it could cause the attenuation of metabolic

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Longxing Hu, Zehui Huang, Shuqian Liu and Jinmin Fu

on ascorbate peroxidase (APX) activity [( A ) new leaves, ( B ) old leaves] and dehydroascorbate reductase (DHAR) activity [( C ) new leaves, ( D ) old leaves; ASA = ascorbic acid] in leaves of two bermudagrass genotypes (‘C43’ and ‘C198’) at 21 d

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Ting-Ting Li, Zhi-Rong Li, Kang-Di Hu, Lan-Ying Hu, Xiao-Yan Chen, Yan-Hong Li, Ying Yang, Feng Yang and Hua Zhang

attenuated by ethylene treatment, whereas the combined treatment with H 2 S induced higher CAT activity after 2 d of storage. Fig. 5. Effects of ethylene, H 2 S, and combined treatment on the activities of catalase (CAT) ( A ), ascorbate peroxidase (APX) ( B

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Peiyan Li, Xiaolin Zheng, Md. Golam Ferdous Chowdhury, Kim Cordasco and Jeffrey K. Brecht

higher SOD activity in the OA-treated fruit from days 14 to 35 compared with the control ( Fig. 5A ). Fig. 5. Effect of oxalic acid (OA) on ( A ) superoxide dismutase (SOD), ( B ) catalase (CAT), ( C ) ascorbate peroxidase (APX), and ( D ) glutathione

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Mohamad Hossein Sheikh Mohamadi, Nematollah Etemadi, Ali Nikbakht and Mohammad Pessarakli

concentrations improved the APX activity of stressed-exposed plants on days 21 and 63 so that the final APX activity of grass treated with 0.5 kg·ha −1 of TE was 30% higher than their nontreated counterparts ( Fig. 3 ). Fig. 3. Ascorbate peroxidase activities

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Feifei Li, Da Zhan, Lixin Xu, Liebao Han and Xunzhong Zhang

’ under heat stress. Under normal conditions, ‘EverGlade’ had higher POD activity than ‘Kenblue’ at 0, 14, and 21 d ( Fig. 3A ). Fig. 3. Changes in peroxidase [POD ( A )] and ascorbate peroxidase [APX ( B )] activity of two kentucky bluegrass cultivars

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Sheng Xu, Mingmin Jiang, Jiangyan Fu, Lijian Liang, Bing Xia and Ren Wang

indicated day of water deficit stress treatment ( Fig. 7A ). Fig. 7. ( A ) Superoxide dismutase (SOD), ( B ) guaiacol peroxidase (POD), ( C ) catalase (CAT), and ( D ) ascorbate peroxidase (APX) activity changes in Lycoris radiata and Lycoris aurea as

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Nanqing Liu, Shaoyan Lin and Bingru Huang

indicate significant differences among genotypes for each parameter based on least significant difference test ( P = 0.05). Fig. 8. The activities of ( A ) superoxide dismutase (SOD), ( B ) catalase (CAT), ( C ) ascorbate peroxidase (APX), and ( D

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Xunzhong Zhang, Erik H. Ervin, Yiming Liu, Guofu Hu, Chao Shang, Takeshi Fukao and Jasper Alpuerto

). All these isoforms protects cellular molecules from damage caused by ROS. Ascorbate peroxidase detoxifies H 2 O 2 using ascorbate as a substrate and its isoforms are active in chloroplasts, cytosol, peroxisomes, and mitochondria ( Mittler et al., 2004

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Lijian Liang, Yanming Deng, Xiaobo Sun, Xinping Jia and Jiale Su

m . Fig. 5. Effects of nitric oxide (NO) pretreatment on the activities of ( A ) superoxide dismutase (SOD), ( B ) catalase (CAT), ( C ) peroxidase (POD), and ( D ) ascorbate peroxidase (APX) in anthurium under chilling stress. Anthurium plants used