Acknowledgements

First of all we would like to thank the Agricultural Division of the Swiss Agency for Development and Co-operation (SDC), and in particular Jnz and Thomas Zeller, for the confidence they showed in mandating this study to LBL and for their constructive co-operation during this study.

This report is the result of an intensive exchange of information on the projects under study. We would like to express our gratitude to the following persons for their interest, their answers to all our questions and the discussion of our study: Walter Kaufmann from the Ciba Crop Protection Department and his colleagues, Hans-JPfalzer, Gert-Henri Ernst, Philip Newton from Basle and Stephen W. Robinson from Karachi. From the FAO Intercountry Programme for IPM: Peter E. Kenmore, Jonathan Pincus and Marjon Fredrix as well as Russell Dilts from the Indonesian National IPM Programme. At the Rice IPM Network we thank K.M. Heong, co-ordinator of the network. Gaby Stoll and Withoon Lianchamroon have been our resource persons for the TREE project. At Zamorano we exchanged with Orlando Cres and Allan J. Hruska.

For their contributions to the discussion of the theses and their advises we would also like to thank the following specialists in IPM and/or extension: Keith L. Andrews, Jeffery Bentley, Malcolm Iles, Rolf Link, D. Sen, Elske van de Fliert and Alexander von Hildebrand.

For the workshop held at LBL we would like to thank our team colleagues, Lukas Keller (LBL, Pest Management in Swiss Agriculture) and Kurt Schneider for the lively discussion of the theses and their constructive critique.

Last but not least we would like to thank a lot to all those farming families who have the courage and enthusiasm to try something new and to keep on going and spreading the knowledge and philosophy of IPM.