4Peters N K,Frost,J W,Long S R.A plant flavome,luteolin,induces expression of Rhizobium meliloti nodulation genes.Science,1986,233:977-980.
5Phillips D A.Biosynthesis and release of rhizobial nodulation gene inducers by legumes.Triplett E W (ed).Prokaryotic Nitrogen Fixation:A model system for the analysis of a biological process.Wisconsin:Horizon Scientific Press,2000.
10David A. Bender,Ronald D. Morse,John L. Neal,Dale D. Wolf. Delayed inoculation and starter nitrogen for enhancing early growth and nitrogen status ofLespedeza cuneata[J] 1985,Plant and Soil(3):311~321