6Stanhill G.Water use efficiency[J].Advances in Agronomy,1986,39:53-85.
7Austin R B,Morgan C L,Ford M A.Flag leaf photosynthesis of T riticum aestivum and related diploid and tetraploid species[J].Ann Bot,1982,49:177-189.
8Bhagsari A S,Brown R H.Leaf photosynthesis and its correlation with leaf area[J].Crop Sci,1986,26:127-132.
9Morgan J A,Lecain D R.Leaf gas exchange and related leaf traits among 15 winter wheat genotypes[J].Crop Sci,1991,31:443-448.
10Dressman D C.Expression of genes encoding Rubisco in sngar beet (Beta vulgaris L) Plant subjected to gradual desiccation[J].Plant and Cell Physiol,1994,35(4):645-653.