The 4th meeting of the International Phytoplasmologist Working Group is going to be held in Valencia, Spain on September 8-12, 2019. Check the online program here.
Arms Race - evolution of plant pathogens and their hosts 2-3 September 2019 Bristol UK https://www.bspp.org.uk/conferences/arms-race-evolution-of-plant-pathogens-and-their-hosts/
14th International Conference on Plant Pathogenic Bacteria First circular 7 - 12 June 2020
Further info: First meeting circular: IPWG4-First_Circular (pdf) http://www.ipwgnet.org/nextmeetings