8Kramer P J.Drought stress and the origin of adaptations.In:Turner N C,Kramer P J .Adaptation of Plants to Water and High Temperature Stress.New York:Join Wiley&Sons,1978:7-20.
9Lehman V G,Engelke M C,White R H.Leaf water potential and relative water content variation in creeping bent grasses clones.Crop Science 1993,33:1 350-1 353.
10Kim K S,Beard J B.Comparative turfgrass evapotranspiration rates and associates plant morphological characteristics.Crop Science,1988,28:328-331.