Professor Xiangming Xu is Head of the Department of Pest and Pathogen Ecology at the world-famous NIAB EMR (East Malling Research). Founded over 100 years ago, East Malling has long been a global pioneer in horticultural research. Professor Xu has a global reputation in plant disease epidemiology and management, especially fruit fungal diseases. Dr Michelle Fountain is Head of Pest and Pathogen Ecology at the world-famous NIAB East Malling (formerly East Malling Research), UK. She is internationally renowned for her research on integrated insect pest management (IPM) and insect pollination in fruit horticulture. Dr Fountain is co-editor of Integrated management of diseases and pests of tree fruit, published by Burleigh Dodds Science Publishing in 2019. Professor Xiangming Xu is Head of the Department of Pest and Pathogen Ecology at the world-famous NIAB EMR (East Malling Research). Founded over 100 years ago, East Malling has long been a global pioneer in horticultural research. Professor Xu has a global reputation in plant disease epidemiology and management, especially fruit fungal diseases. Dr Jürgen Köhl is a Senior Scientist in Plant Pathology at Wageningen University & Research, The Netherlands with an international reputation in biological control of plant diseases. He is Convenor of the Working Group on Biological and Integrated Control of Plant Pathogens at the International Organization for Biological and Integrated Control (IOBC-wprs).