Advances in the Water Use Efficiency of Plant

This paper summarized the results of research on water use efficiency of plant,including the development of the concept of water use efficiency,the temporal and spatial variations of water use efficiency,the factors influencing water use efficiency,the water use efficiency of different kinds of plants,the relationship of water use efficiency to drought tolerance,the genetic background of water use efficiency, the methods to improve water use efficiency on various scales and the trends of research on water use efficiency in the near future.