1 SCIENTIFIC PAPER Xanthomonas campestris BIOCONTROL AGENT: SELECTION, MEDIUM FORMULATION AND BIOPROCESS KINETIC ANALYSIS Jovana Grahovac, Ivana Pajčin * , Vanja Vlajkov, Zorana Rončević, Jelena Dodić, Dragoljub Cvetković, Aleksandar Jokić University of Novi Sad, Faculty of Technology Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia Received 8.5.2020. Revised 29.7.2020. Accepted 26.8.2020. * e-mail: paj@tf.uns.ac.rs, telephone: +381214853723, fax: +38121450413