Prof. Xiloyannis was born in Greece, where he completed high school; he obtained a degree in Agricultural Science at the University of Pisa in 1972. From 1983 to 1989 started the activity as Associate Professor at the University of Pisa, Italy, teaching courses in Pomology and Olive Growing. Since 1990 he is Full Professor at the University of Basilicata.
Prof. Xiloyannis addresses research issues related to plant physiology aspects of trees and their modulation with respect to the environment, the quality of production is among the main subjects investigated. He worked on eco-physiological parameters involved in adaptation processes of plant water relations and carbon fluxes between orchard and atmosphere under new climate scenarios; he contributed to innovative strategies to improve the use of natural resources and to soil fertility remediation toward a sustainable agriculture. He is author and co-author of more than 240 papers published on national and international reviews, expert in Fruit tree physiology, General fruit growing and Nursery techniques. He carried out institutional roles at the University of Basilicata as Rector’s Delegate, Head of Department and Coordinator of a PhD course. From 1996-2003 was Chairman of ISHS Working Group on Water Relations in Fruit Crops, Convener of the International Symposium of “Apricot Breeding and Culture” (Matera 2008), “Peach” International Symposium (Matera June 2012) and “Irrigation” International symposium (Matera June 2019). He was also a member of the Academic Senate and member of the Board of Directors at the same University.