大叶相思抗旱性生理指标主成分分析

Analysis on Major Physiological Components for Drought-resistance of Acacia auriculaeformis

为研究影响大叶相思抗旱能力的主导因素,对大叶相思在渗透胁迫过程中的电导率、相对含水量等9个生理指标进行了测定,利用SAS软件对这些指标针对不同处理水平进行主成分分析,分析表明:维持膜的稳定性的水分生理指标质膜相对透性、相对含水量、自然饱和亏是大叶相思抗旱性测定的主要选择对策,其次是代表渗透调节因子的可溶性糖和游离脯氨酸。

Determination was made on conductivity, relative moisture content etc. under percolation pressure of Acacia auriculaeformis to study the major factor for drought resistance. Analysis by SAS on major components from different treatment demonstrated that the major components for determination were relative water permeability of plasma membrane, relative moisture content, natural saturation and soluble sugar and free praline.