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本试验通过人工低温处理 ,探讨了萌发进程中三个熟期类型大豆品种间耐冷性生理指标间的差异 ,结果表明 :低温萌发进程中两早熟品种较中晚熟品种的 CAT酶活受抑程度小 ,可溶性蛋白含量增幅大 ,但 MDA含量变化趋势一致。早熟品种的耐冷性较中晚熟期的品种强
In this experiment, the differences in physiological indices of cold tolerance between three mature soybean varieties during germination were discussed by artificial low temperature treatment. The results showed that the CAT activity of two early maturing cultivars was lower than that of middle-late maturing cultivars , The content of soluble protein increased greatly, but the change trend of MDA content was the same. The precocious varieties have more cold tolerance than the late-maturing varieties