Biocidal and resistance-inducing effects of chitosan on phytopathogens Rashit Tarakanov, Balzhima Shagdarova, Valery Varlamov and Fevzi Dzhalilov E3S Web Conf., 254 (2021) 05007 Published online: 05 May 2021 DOI: 10.1051/e3sconf/202125405007