水分胁迫对绵毛水苏生长及光合特性的影响

Effect of Water Stress on the Photosynthesis and Growing Characteristics in Stachys Seeding

以绵毛水苏为试材,研究不同水分胁迫条件下对植物的株高、土壤含水量、蒸腾速率、光合速率及叶绿素含量等的影响。结果表明:适当的亏水灌溉有利于绵毛水苏植株的生长;采用隔天浇水且控制土壤绝对含水量大于3%为绵毛水苏良好的水分管理方案。

Some physical characteristics of plants represented by Stachys, which is under the condition of different water stresses,were studied in this article. These characteristics include the height of the plants, the number of leaves, the percentage of water remained in the soil, the rate of transpiration and photosynthesis in the leaves. From the perspective of configuration anatomy and physiological chemistry, summarization about the：study of the development of water stress, which may have some constructive information for the research of plant physiological ecology and agricultural development. The results showed that proper deficit irrigation should benifit to growing of Stachys. The best quantity of Stachys＇s irrigation water was up to 3% of water content in soil,and irrigation should interval 1 day.