水分亏缺对冬小麦冠层温度影响的研究

Effects of water deficiency on canopy temperature of winter wheat

摘要: 采用不同方法模拟冬小麦缺水状况，测定冠层温度日变化过程及不同处理叶面温度变化的结果表明，水分亏缺使冠层温度升高1.5～2.0℃。长期干旱使作物生长不良，冠层温度对土壤水分亏缺敏感程度下降。

Abstract: Experiments to simulate effects of water deficiency on winter wheat were conducted and the diurnal changes of canopy temperature under different water content treatments were observed.Water deficiency could induce canopy temperature to increase about 1.5～2.0℃.Crops grew poorly under long period of drought,and the sensitivity of canopy temperature to water deficiency decreased.