3Hallmann J, Quadt-Hallmann A, Mahaffee W F,et al. Bacte-rial endophytes in agricultural crops[J]. Canadian Journal of Microbiology, 1997, 43(10) ..895 - 914.
4Adhikari T B, Joseph C M, Yang Guoping,et al. Evaluation of bacteria isolated from rice for plant growth promotion and bio- logical control of seedling disease of rice [J]. Canadian Journal of Microbiology, 2001, 47(10) : 916 - 924.
5Barraquio W L, Revilla L, Ladha J K. Isolation of endophytic diazotrophic bacteria from wetland rice [J]. Plant and Soil, 1997, 194(1):15-24.
6Chelius MK, Triplett E W. Dyactobacterfermentans gen. nov., sp nov, a novel Gratrnegative bacterium isolated from surface-steri lized Zea mays sterns [J]. International Jottmal of Systematic and Evolutionary Microbiology, 2000, 50.. 751 - 758.
7Chen C, Bauske E M, Musson G, et al. Biological control of Fusarium wilt on cotton by use of endophytic bacteria [J]. Bi- ological Control, 1995, 5(1): 83-91.
8McInroy J A, Kloepper J W. Survey of indigenous bacterial en- dophytes from cotton and sweet corn [J]. Plant and Soil, 1995, 173(2): 337-342.
9Sturz A V, Christie B R, Matheson B G, et a]. Biodiversity of endophytic bacteria which colonize red clover nodules, roots, stems and foliage and their influence on host growth [J]. Biol- ogy and Fertility of Soils, 1997, 25(I):13- 19.
10Sturz A V, Christie B R, Nowak J. Bacterial endophytes: Po- tential role in developing sustainable systems of crop production [J]. Critical Reviews in Plant Sciences, 2000, 19 (1) : 1 - 30.