Cd^(2+)毒害对玉米幼苗细胞膜透性及保护酶活性的影响

Effect of Cadmium Toxicity on CelMembrane Permeability and Protective Enzyme Activity of MaizeSeeding

研究了镉毒害对玉米幼苗细胞膜透性和保护酶活性的影响。结果表明，随着镉浓度的增加，ＣＡＴ和ＳＯＤ活性降低，ＰＯＤ活性增强，ＭＤＡ含量上升，质膜透性增大。

heefectofcadmiumtoxicityoncelmembranepermeabilityandprotectiveenzymeactivityofmaizeseedin gwasstudied.TheresultsshowedthattheincreasingofCd2+densitycouldreducetheactivityofSODandCA T,strengthentheactivityofPOD,increaseMDAcontentandthepermeabilityofmembraneandinhibitthese dlingfromgrowing.