Naznin Nahar (2020). Co-designing Integrated Pest and Disease Management strategies in eggplant production in Bangladesh. PhD thesis, Wageningen University, Wageningen, The Netherlands, with summary in English, 164 pp. Integrated Pest Management (IPM) was developed in response to the crisis caused by unrestricted use of pesticides. The IPM concept matured over time and today, it stands on a solid conceptual basis and millions of farmers across the globe, especially in developing countries, have been trained in it through the Farmers' Field School approach. Nevertheless, adoption rate remains frustratingly low. This thesis tries to understand why IPM is so difficult to implement for smallholder farmers in developing countries and what is needed to make IPM work for them. Eggplant production in Bangladesh was taken as a case and it involved various Table of contents Chapter 1 General Introduction Chapter 2 Reducing damping-off problems in eggplant (Solanum melongena L.): a participatory testing of nursery management in Bangladesh Chapter 3 Disease management in eggplant (Solanum melongena L.) nurseries also reduces wilt and fruit rot in subsequent plantings: A participatory testing in Bangladesh Chapter 4 Technical efficacy and practicability of mass trapping for insect control in Bangladesh Chapter 5 Smallholders and pheromone traps: when does an opportunity become a risk?