[1]茹桃勤.刺槐无性系苗期叶水势和相对含水量与土壤含水量之间关系研究[J].水土保持研究,2006,13(04):22-24.
　RU Tao-qin.The Relation Among the Water Potential, Relative Water Content and Soil Water Content of Black Locust Clones Seedlings[J].Research of Soil and Water Conservation,2006,13(04):22-24.
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刺槐无性系苗期叶水势和相对含水量与土壤含水量之间关系研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年04期 页码: 22-24 栏目: 出版日期: 1900-01-01
Title:
The Relation Among the Water Potential, Relative Water Content and Soil Water Content of Black Locust Clones Seedlings
作者:
茹桃勤1,2
北京林业大学资源与环境学院 北京100083;
2. 河南省林业厅林业技术推广站;
3. 郑州450002
Author(s):
RU Tao-qin1,2
1. School of Resources and Environment, Beijing Forestry University, Beijing 100083, China;
2. Henan Forestry Technical Extension Station, Zhengzhou 450008, China
关键词:
刺槐; 相对含水量; 土壤含水量
Keywords:
Robinia pseudoacacia L.; relative water content; soil water content
分类号:
S152.7
摘要:
研究了刺槐无性系苗期叶水势、相对含水量和土壤含水量之间关系.参试刺槐无性系叶水势和土壤含水量之间呈双曲线关系,但不同无性系间参数A、B存在着差异,U5、NC和8041表达式参数“A”和“B”基本相近,且较小,而U2、U7和U9的的参数相对较大.无性系叶水势和饱和亏缺间呈线性关系,无性系间线性方程
Abstract:
The relation among the water potential,relative water content and soil water content of black locust clones seedlings was studied.It is show double curve line relation between water potential of black locust and soil water content,but the parameter A and B of different clone is different.The A and B in equation of clone U5、NV and 8041 is similar,and they are less relative.The parameter of U2、U7 and U9 is big relatively.It is show linear relation between water potential and saturation deficit of black locust,but the slope B of different clone is different,the order is as: U7>8041>U2>U9>U5>NC.The slope of U7 is biggest,it is show that it is easy to dehydrate under dry condition,and the dehydrate rate of NC is most slow.The relation of leaf water content and soil water content appear linear equation,but the slope B of different clone is different,it is show the follow order: U7>U2>U9>8041>U5>NC.It is show that U7 is easy to dehydrate,but the dehydrate rates of U5 and NC are less relatively.

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备注/Memo

收稿日期:2006-1-18
基金项目:国家高技术研究发展计划(863计划)课题“抗旱节水植物新品种筛选与利用”(2002AA2Z4011)
作者简介:茹桃勤(1964- ),男,博士研究生,高级工程师,研究方向为树木水生理.

更新日期/Last Update: 1900-01-01