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D.M. Glenn and W.V. Welker

Abbreviations: BS, bare soil; FRLD, fine-root length density; KS, killed K-31 tall fesuce sod; LRLD, large-root length density; LS, living K-31 tail fescue sod; PT, living Poa trivialis sod. 1 Soil Scientist. 2 Weed Scientist. Mention of a

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Donald M. Vietor, Ronnie W. Schnell, Tony L. Provin, Richard H. White, and Clyde L. Munster

Topdressing or incorporation of large, volume-based rates of composted biosolids (CB) can increase storage of soil organic carbon (SOC), supply essential mineral nutrients, and enhance turfgrass coverage during sod establishment and regrowth

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Guangxin Liu, Xiaoqian Su, Lingling Guan, and Fengrong Hu

physiological and biochemical mechanisms of plant disease resistance. For example, superoxide dismutase (SOD) is one of the most important scavenging enzymes; it catalyzes the dismutation of superoxide radicals to the active oxygen species hydrogen peroxide

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

by dismutating the superoxide anion to hydrogen peroxide (H 2 O 2 ), which is finely regulated by CAT and an array of PODs localized in almost all compartments of the plant cell, such as APX ( Blokhina et al., 2003 ). Four kinds of SOD have been found

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Priscila L. Gratão, Carolina C. Monteiro, Lázaro E.P. Peres, and Ricardo Antunes Azevedo

have concentrated our attention on some of the key antioxidant enzymes such as catalase (CAT), guaiacol peroxidase (GPOX), ascorbate peroxidase (APX), glutathione reductase (GR), and superoxide dismutase (SOD). The Micro-Tom cultivar was kindly

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

putative SI-related genes in Citrus , including Cu/Zn SOD (AB981053), iron SOD [ Fe SOD (AB981054)], Mn SOD (AB981055), CAT (AB981056), CYP (AB981057), l -galactose-1-phosphate phosphatase [ GPP (AB981061)], miraculin-like protein-1 [ MLP-1

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Chang-Xia Du, Huai-Fu Fan, Shi-Rong Guo, and Takafumi Tezuka

endogenous mechanism to protect cellular and subcellular systems from the cytotoxic effects of ROS, which includes low-molecular-weight non-enzymatic antioxidants and enzymatic components ( Agarwal and Pandey, 2004 ). Superoxide dismutase (SOD) is a

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Amaya Atucha, Ian A. Merwin, and Michael G. Brown

slope and 25-m long downslope, each including four parallel tree rows containing 20 to 24 trees separated by a 4-m wide grass drive lanes of the same mowed red fescue sod throughout the site ( Merwin et al., 1996 ). Trees were irrigated weekly for 8 h

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Yali He and Bingru Huang

involved in the enzymatic scavenging of ROS. Superoxide dismutase (SOD) is the enzyme for O 2 scavenging in the first step of ROS metabolism ( Elstner, 1982 ). Its activity determines the concentrations of O 2 and H 2 O 2 , the two Haber-Weiss action

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Chen Chen, Meng-Ke Zhang, Kang-Di Hu, Ke-Ke Sun, Yan-Hong Li, Lan-Ying Hu, Xiao-Yan Chen, Ying Yang, Feng Yang, Jun Tang, He-Ping Liu, and Hua Zhang

Many antioxidant enzymes in fungal pathogens participate in reactive oxygen degradation on plant-released ROS. Among them, SODs are metalloenzymes that form the primary cellular antioxidant defense system by catalyzing the superoxide