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Moriah Bellenger, Deacue Fields, Kenneth Tilt, and Diane Hite

, nursery, and sod sales more than doubled from $142.7 million to $263 million. Greenhouse, nursery, and sod sales made up more than 36% of total crop sales in Alabama ( USDA, 2005 ). Currently, the United States has many questions and concerns regarding the

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Safwan Shiyab

signaling cascade that leads to protection from stresses ( Gallego et al., 2002 ). For protection from oxidative stress, plant cells contain both oxygen-radical detoxifying (antioxidant) enzymes, such as CAT, POD, and SOD; and nonenzymatic antioxidants such

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M. Lenny Wells

). The gases were then passed through infrared cells to determine C and S content ( Kissell and Sonon, 2008 ). Analysis of variance (ANOVA) was used to compare soil analyses of orchards using clover as an orchard floor cover with those using a grass sod

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Yun-Peng Zhong, Zhi Li, Dan-Feng Bai, Xiu-Juan Qi, Jin-Yong Chen, Cui-Guo Wei, Miao-Miao Lin, and Jin-Bao Fang

phosphate buffer (pH 7.8) using a cold mortar and pestle. The homogenate was centrifuged at 4 °C for 30 min at 12,000 g n , and the supernatant was used to determine the activities of SOD (EC 1.15.1.1), POX (EC 1.11.1.7), and CAT (EC 1.11.1.6). SOD activity

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Zhengrong Hu, Erick Amombo, Margaret Mukami Gitau, Aoyue Bi, Huihui Zhu, Liang Zhang, Liang Chen, and Jinmin Fu

an ACTIN was used as the standard control in the reaction. The RT-PCR procedure was performed according to the method described by Chen et al. (2010) . Table 1. Genes ( POD-2 , SOD , LEA , and CBF1 ) involved in response to chilling stress in

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Tim R. Pannkuk, Richard H. White, Kurt Steinke, Jacqueline A. Aitkenhead-Peterson, David R. Chalmers, and James C. Thomas

-based irrigation controllers can provide a means of accurately applying water to the landscape. It is well documented that sodic and saline soil conditions can alter soil water use and transpiration in landscape plant materials ( Eom et al., 2007 ; Munn, 2002

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Yuting Meng, Boling Liu, Ping Zhang, Ping Cui, Yuguang Song, Nianwei Qiu, Guoliang Han, and Feng Zhou

.5 mL in each tube) and stored at −40 °C ( Zhang et al., 2007 ). The activity of SOD was assayed by the method of Tandy et al. (1989) . One unit (U) of the SOD activity was defined as the amount of enzyme required for 50% inhibition of the nitro blue

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

.8) was used for SOD, CAT, and GR; and 20 mL of sodium phosphate buffer (100 m m , pH 7.0, containing 1 m m EDTA) was used for APX. Each sample was homogenized with a Kinematica tissue homogenizer (Kinematica PT 2100; Kinematica, Luzern, Switzerland) and

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Yongfeng Yang, Zhixiao Yang, Shizhou Yu, and Hongli Chen

al., 2015 ). The reducing capacity of the roots was analyzed using the triphenyl tetrazolium chloride method ( Ryssov-Nielson, 1975 ). Superoxide dismutase (SOD) activity was measured via the nitro blue tetrazolium method. Peroxidase (POD) activity

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Junhuo Cai, Junjun Fan, Xuying Wei, and Lu Zhang

addition, we selected at random three L. radiata plants per plot every 30 d, extracted the bulbs, and measured soluble sugar content, soluble protein content, root activity, SOD activity, and POD activity in each bulb. Root activity was determined using