蒸腾作用与植物的水分吸收、运转、利用和散失有着密切的联系,是植物水分生理—生态学研究的重要内容之一。尽管测定植物蒸腾的方法很多(B·斯拉维克,1986),如快速称量法、气量计法、湿度计法、热通量法等,但它们通常设备较复杂、操作困难、测定较慢、费用较高,难以适台野外快速测定。据华东师范大学生物系植物 Transpiration and plant water absorption, operation, utilization and loss are closely linked, is one of the important aspects of plant water physiology - ecology research. Although there are many methods for determining plant transpiration (B · Slavik, 1986), such as rapid weighing method, gas meter method, hygrometer method, heat flux method and the like, they are generally complicated in equipment and difficult in operation. Slow, high cost, difficult to adapt Taiwan field rapid determination. According to East China Normal University Department of Biology plant