8Frisbie R E, Adkisson P L. IPM: definitions and current status in U. S. agriculture[A]. Hoy H A, Herzog D C. Biological control in agricultural IPM systems[ C ]. N. Y: Academic Press Inc. 1985.41-51.
9Bartlett B. R. Natural predators. Can selective insecticides help to preserve biotic control? Agric. Chemistry. 1956, 11 (2): 42-44, 107- 109.
10Smith R F, Apple J L, Bottrell D G. The origins of integrated pest management concepts for agricultural crops[A]. Apple J L, Smith R F. Integrated pest management[ C ]. N.Y: Plenum Press,1976. 1-17.
