Shupranova, L., Holoborodko, K., Ivanko, I., Zhukov, O., Loza, I., Kabar, A., Sytnyk, S., Lovynska, V., Pakhomov, O. and Gritsan, Y. 2026. Enzymatic antioxidant system in Fraxinus species and forms with varying susceptibility to black sawfly (Tomostethus nigritus). Regulatory Mechanisms in Biosystems. 17, 3 (May 2026), e26060. DOI:https://doi.org/10.15421/0226060.