8Dhindsa RS, Plumb-Dhindsa P, Thorpe TA, 1981. Leaf senescence: Correlated with increased levels of membrane permeability and lipid peroxidation, and decreased levels of superoxide dismutase and catalase. J. Exp. Bot., 32: 93-101.
9EL-Moshaty FIB, Pike SM, Novacky AJ, 1995. Lipid peroxidation and superoxide production in cowpea ( Vigna unguiculata ) leaves infested with tobacco ringspot virus or southern bean mosaic virus. Physiol. Mol. Plant Pathol., 43: 109- 119.