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以生长在呼和浩特地区的紫丁香、榆叶梅、珍珠梅为材料,用Hammel逐渐升压法测定植物叶水势绘制Pv曲线并计算各种水分参数。通过对各项抗旱性生理指标的综合研究,结果表明在整个生长季里,抗旱能力排序为:紫丁香>榆叶梅>珍珠梅。
The lilac, the elm plum and the pearl plum grown in Hohhot were used as material to measure the leaf water potential of the plant by Hammel’s step-up method and to calculate various water parameters. Through the comprehensive study on the physiological indexes of drought resistance, the results showed that the order of drought resistance was lilac> elm plum> pearl plum throughout the growing season.