7Read S M, Northcote D H. Minimization of variation in the response to different protein of the coomassic blue G dye dinding: assay for protein [ J ]. Analyt. B iochem., 1981,116: 53-64.
8Cakmak I, Marschner H. Magnesium deficiency and high light intesity enhance activities of superoxide dismutase, ascorbate peroxidate and glutathione ruductase in bean leaves [ J ]. Plant Physiol., 1992, 98: 1222-1227.
9Chance B, Maehly A C. Assay of catalase and peroxidase[ A]. In : Colowick S P, Kapalan N. Methods of Enzymology [ M ]. Newyork: Academic Press, 1955, 764.
10Cakmak I. The role of potassium in alleviating detrimental effects of abiotic stresses in plants [ J ]. J. Plant Nutr. Soil Sci., 2005, 168: 521-530.
