CAJ | 학술논문

以玉米品种青农8号为材料，采用缺水和18％ PEG－6000溶液模拟干旱条件的方法，研究玉米幼苗根系几个生理生化指标的变化。结果表明：干旱条件下，玉米幼苗根系可溶性蛋白含量、丙二醛（ MDA）含量及超氧化物歧化酶（ SOD）和过氧化物酶（ POD）活性都呈明显增加趋势，并且在缺水处理96 h后增幅减小；缺水48 h后复水可使干旱时迅速增加的SOD、POD活性和丙二醛含量恢复到正常状态，可溶性蛋白含量比正常含量低。
이옥미품충청농8호위재료，채용결수화18％ PEG－6000용액모의간한조건적방법，연구옥미유묘근계궤개생리생화지표적변화。결과표명：간한조건하，옥미유묘근계가용성단백함량、병이철（ MDA）함량급초양화물기화매（ SOD）화과양화물매（ POD）활성도정명현증가추세，병차재결수처리96 h후증폭감소；결수48 h후복수가사간한시신속증가적SOD、POD활성화병이철함량회복도정상상태，가용성단백함량비정상함량저。
The changes of several physiological and biochemical indexes of seedling roots of new maize variety Qingnong 8 were studied under the simulated drought conditions through water shortage and 18%PEG-6000.The results showed that under drought condition, the content of soluble protein, malonialdehy ( MDA) and the activity of superoxide dismutase ( SOD) and peroxidase ( POD) in roots of maize seedlings significantly increased, and the increasing amplitude reduced after water shortage for 96 hours.The re-wate-ring treatment results after water shortage for 48 hours showed that the SOD and POD activities and the MDA content could recover to normal level, and the soluble protein content was lower than normal content.This study showed that the maize seedlings of Qingnong 8 suffered drought injury could grow normally after re-wa-tering treatment.