7Alexander HM. 1992. Fungal Pathogens and the Structure of Plant Populations and Communities[M]. In:Carroll G. (eds). The Fungal Community:Its Organization and Role in the Ecosystem (2nd Edition) [M].New York:Marcel Dekken,481-497.
8Alexander HM, et al. 1996. Population dynamics and genetics of plant disease:a case study of anther-smut disease of Silene alba caused by the fungus Ustilago violacea [ J ]. Ecology, 77 : 990-996.
9Antonovics J, Levin DA. 1980. The ecological and genetic consequences of density-dependent regulation in plants [ J ]. Annu.Revi . Ecol. Syst , 11:411-452.
10Appel DN, Billings RF. 1995. Oak Wilt Perspectives: the Proceedings of the National Oak Wilt Symposium[M]. Texas Agricultural Experiment Station, Texas Forest Service.