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.
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.
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;
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