PV曲线技术比较三种木本植物的水分状况Comparison of Water Relation among Three Woody Plants by Using Pressure-volume Technique
陈由强,叶冰莹,朱锦懋
摘要(Abstract):
用PV 曲线技术对三种木本植物木麻黄、湿地松、异叶南洋衫的水分状况进行比较. 结果表明:抗旱性较强的湿地松水饱和时的渗透势φ100π 和初始质壁分离时的渗透势φ0π及总体体积弹性模量ε都较低. 在植物水分关系研究中, RWC, ROWC, RDW 和Ap, ε和Vo 等水分参数具有重要意义.
关键词(KeyWords): PV曲线;水分参数;木麻黄;湿地松;异叶南洋衫
基金项目(Foundation): 福建省教委基金
作者(Author): 陈由强,叶冰莹,朱锦懋
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