摘要
景天是一种重要的园林绿化材料,为了对景天属植物在节水型园林绿化中的应用提供理论依据,选取8种景天进行土壤干旱胁迫处理,利用植物生理学方法测定其土壤含水量,叶片相对含水量等6种生理生化指标,同时观察景天的外部形态变化。最终对景天的抗旱性强弱进行了排序:反曲景天>景天三七>德国景天+联合勘察加>凹叶景天>八宝景天+红花景天+主妇景天。在园林绿化中可以参考上述试验结果对这8种景天进行合理配置。
Sedum is an important landscaping material. To provide a theoretical basis for the application of Sedum plants in water-saving landscaping, selected eight kinds of Sedum and began soil drought stress treatment on them. Through experimental methods of plant physiology, measured the soil moisture content, leaf relative water content and other six kinds of physiological and biochemical indexes, and observed the changes in the external morphology of eight Sedum. The results showed the order of draught resistance of eight kinds of Sedum is： Sedum rellexum〉Sedum aizoon L. 〉Sedum hybridum＋ Sedum kamtschaticum var. ellacombianum〉 Sedum enarginatum Migo〉Sedum spectabile Bureau ＋ Sedum spectabile ＇ Brilliant＇ ＋ Sedum x ＇ Matrona＇. In landscaping you can refer to the above test results and conduct this rational allocation of 8 Sedum.
出处
《中国农学通报》
CSCD
北大核心
2010年第13期302-307,共6页
Chinese Agricultural Science Bulletin
基金
北京市属高等学校人才强教计划资助项目
北京市科委重点项目
关键词
景天
土壤干旱胁迫
生长
生理生化指标
Sedum
soil drought stress
growth
physiological and biochemical indexes
