两个耐盐力不同的品种在含有0.5％NaCl的Espino溶液中培养,核酸含量随盐处理天数延长而减少。盐处理对RNA数量的影响大于对DNA数量的影响。核糖核酸酶活力随盐处理持续天数延长而升高,不耐盐品种酶活力明显高于耐盐品种的酶活力。在整个处理过程中,不耐盐品种根系与地上部可溶性蛋白质减少的趋势基本一致,而耐盐品种地上部蛋白质减少量大于根系。 Two varieties with different salt tolerance were cultured in Espino solution containing 0.5% NaCl, and the content of nucleic acid decreased with the prolonged salt treatment. The effect of salt treatment on the amount of RNA is greater than on the amount of DNA. The activity of ribonuclease increased with the prolongation of salt treatment. The enzyme activities of salt-tolerant varieties were significantly higher than that of salt-tolerant varieties. During the whole process, the decreasing tendency of soluble protein in roots and aboveground parts of salt-tolerant cultivars was basically the same, while that in salt-tolerant cultivars was larger than that in roots.