Dr. David Sand, Montana State University, USA: "Rainfall nucleation and its effect on bacterial diseases spread and new option of bacterial control"
Dr. Steven Lindow, University of California-Berkeley, USA: "Ecology of epiphytic plant pathogenic bacteria"
Dr. Joel Vanneste, Plant & Food Research Center, New Zealand: "New advance in the control of Psa and management of copper and antibiotics resistance in this bacterium".
Dr. Ernesto A. Moya-Elizondo: "Impact of phytopathogenic bacteria in Chilean fruit crop productions and advances in management and control"