Overview of benefits and risks of biological control introductions; Part I. Biological Invasions: 1. Suppressiveness of soils to invading micro-organisms Claude Alabouvette and C. Steinberg; 2. Biotechnology: environmental impacts of introducing crops and biocontrol agents in North American agriculture David Pimentel; 3. Frequency and consequences of insect invasions Joop C. van Lenteren; 4. Integrated pest management (IPM) in fruit orchards Torgeir Edland; Part II. Classical Biocontrol: 5. Benefits and risks of classical biological control David J. Greathead; 6. Potential impacts on threatened and endangered insects species in the United States from introductions of parasitic hymenoptera for the control of insect pests Keith R. Hopper; 7. Lessons from post-release investigations in classical biological control: the case of Microctonus aethiopoides Loan (Hym., Braconidae) introduced into Australia and New Zealand for the biological control of Sitona discoideus gyllenhal (Col., Curculionidae Jean-Paul Aeschlimann; 8. Host specificity screening of insect biological weed control agents as part of an environmental risk assessment Bernd Blossey; Part III. Augmentative Control: 9. The use of exotic organisms as biopesticides: some issues Jeff Waage; 10. Use of Trichogramma in Maize - estimating environmental risks D. A. Andow, C. P. Lane and D. M. Olson; 11. Entomopathogenic nematodes in biological control: feasibility, perspectives and possible risks Ralf-Udo Ehlers and Arne Peters; 12. Pseudomonads as biocontrol agents of diseases caused by soil-borne pathogens Genevieve Defago and Christoph Keel; 13. Biological control of soil-borne pathogens of wheat: benefits, risks and current challenges David M. Weller, Linda S. Thomashow and R. James Cook; 14. Genetically engineered fluorescent pseudomonads for improved biocontrol of plant pathogens David N. Dowling, Bert Boesten, Daniel J. O'Sullivan, Peter Stephens, John Morris and Fergal O'Gara; 15. Biological control of foliar fungal diseases Nyckle J. Fokkema; 16. The use of fungi, particularly Trichoderma spp. and Gliocladium spp., to control root rot and damping-off diseases Dan Funck Jensen and Hanne Wolffhechel; 17. Bacillus thuringiensis in pest control Raymond J. C. Cannon; 18. Opportunities with baculoviruses Jurg Huber; Part IV. Use of Genetically-Modified Organisms: 19. Assessing the potential benefits and risks of introducing natural and genetically manipulated bacteria for the control of soil-borne root diseases Maarten H. Ryder and Raymond L. Correll; 20. Serodiagnostic methods for risk assessment of Pseudomonas cepacia as a biocontrol agent Kenichi Tsuchiya; 21. Benefits and risks of using genetically engineered baculoviruses as insecticides Norman E. Crook and Doreen Winstanley; 22. Mathematical modelling of gene exchange in soil James M. Lynch, M. J. Bazin and J. Choi; 23. Pest resistance to Bacillus thuringiensis: ecological crop assessment for Bt gene incorporation and strategies of management C. Howard Wearing and Heikki M. T. Hokkanen; 24. An international perspective for the release of genetically engineered organisms for biological control Max J. Whitten; Part V. Economics and Registration: 25. Development of the biocontrol fungus Gliocladium virens: risk assessment and approval for horticultural use Robert D. Lumsden and J. F. Walter; 26. Economics of classical biological control: a research perspective J. M. Cullen and Max J. Whitten; 27. Economics of biocontrol agents: an industrial view Timo Toermala; 28. Registration requirements of biological control agents in Germany and in the European Union Fred A. J. Klingauf; Index.
