Influence of chitosan on oxidative status, enzymes of oxidative metabolism and X-viral infection of potato plants (Solanum tuberosum L.) on artificial ion exchange substrates in vivo - T. G. Janchevskaja; N. V. Shalygo; A. L. Olshanikova; A. N. Grits; T. B. Makarova; E. N. Oleshuk; E. N. Karaseva; E. I. Rybinskaja; E. A. Filipchik; T. G. Kaljaga (Plant Physiology and Genetics, 2019)