在盐胁迫下，硅降低了玉米幼苗根系质膜透性，增强了根系的活力；
The treatment could also decrease plasma membrane permeability of maize roots, increase activity of roots.
因此，可以认为叶片脯氨酸含量和质膜透性可作为甘蔗抗旱性育种的选择指标。
It is concluded that plasm membrane permeability of cell and leaf proline content can be used as indices for drought resistance selection in sugarcane breeding.
本文还讨论了同一植株不同部位器官质膜透性的差异性和低温对叶片及茎干伤害的不一致性。
But the increases and flucuations in permeability of cold-resistant clones or plants were smaller than those of cold-sensitive ones. (2) The permeability of different organs of ar…
耐旱性品种比不耐旱性品种具有较低的质膜透性和MDA含量，同时具有较高的SOD、CAT和POD活性。
The drought-tolerant cultivars had lower permeability of plasma membrane and content of MDA than the drought-sensitive, with higher activities of SOD, POD and CAT.
以接种松材线虫的湿地松来作为实验材料，对感病湿地松叶片内可溶性糖含量与叶片质膜透性变化的关系进行研究。
This paper, however, conducts some research on the relationship between the soluble sugar content and the plasma-membrane permeability of Pinus elliottii inoculated with pine wood nematode.
结果表明：干旱引起叶片枯黄，枯黄率与甘蔗叶片膜脂过氧化物丙二醛（MDA）含量和质膜透性的变化趋势一致；
The results showed that drought withered the leaves and the withering rate was in the same tendency as the MDA content and plasma permeability of leavers;
果实雨二醛含量增加，质膜透性增大，过氧化物含量先逐渐下降，末期又有升高现象，并且果心比果肉中的过氧化物含量高。
The malonaldehyde (MDA) content increased gradually. The content of peroxidate decreased gradually at first but increased at end, and it was more in core than that in flesh.
在渗透胁迫下能维持较高的相对含水量（RWC）和较高的保护酶（SOD）活性，质膜相对透性较小，膜伤害较轻。
Under osmotic stress, It could maintain a higher RWC level and a higher activity of superoxide dismutase(SOD), and lessen membrane injury.
在渗透胁迫下能维持较高的相对含水量（RWC）和较高的保护酶（SOD）活性，质膜相对透性较小，膜伤害较轻。
Under osmotic stress, It could maintain a higher RWC level and a higher activity of superoxide dismutase(SOD), and lessen membrane injury.
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