1. Ali, A., Nigg, H. N., Stamper, J. H. et al. (1988) Diflubenzuron application to citrus and its impact on invertebrates in an adjacent pond. Bull. Environ. Contam. Toxicol., 41, 781–90.
2. Alsaadawi, S. I. and Rice, E. L. (1982) Allelopathic effects of Polygonum aviculare L. I. Vegetational patterning. J. Chem. Ecol., 8, 993–1009.
3. Alsaadawi, S. I., Rice, E. L. and Karns, T. K. B. (1983) Allelopathic effects of Polygonum aviculare L. III. Isolation, characterization, and biological activities of phytotoxins other than phenols. J. Chem. Ecol., 9, 761–74.
4. Baker, H. G. (1966) Volatile growth inhibitors produced by Eucalyptus globulus. Madrono S. Francisco, 18, 207–10.
5. Bell, E. A. (1972) Toxic amino acids in the leguminosae, in Phytochemical Ecology (ed. J. B. Harborne.), Academic Press, London and New York, pp. 163–77.