TY - JOUR N2 - The aim of this study was to evaluate the antioxidant effect of selenium in Pisum sativum L. plants pre-treated with sodium selenite or sodium selenate at a concentration of 10 and 20 μM, and then colonized by pea aphid Acyrthosiphon pisum (Harris). It has been hypothesized that selenium at low concentrations alleviates oxidative stress caused by aphid feeding on pea leaves. The study focused on the generation of reactive oxygen species (superoxide anion, hydrogen peroxide and hydroxyl radical), the activities of the antioxidant enzymes (superoxide dismutase and ascorbate peroxidase) scavenging the reactive oxygen species levels, as well as on total antioxidant activity in pea leaves. Selenium in pea leaves exposed to aphid feeding affected changes in the levels of reactive oxygen species, the activity of studied antioxidant enzymes, and the total antioxidant capacity. Effects depended on the form and concentration of selenium, as well as on the time after the colonization of pea plants by aphids. Obtained results showed beneficial effects of selenium in alleviating oxidative stress in pea leaves caused by aphid feeding. L1 - http://www.czasopisma.pan.pl/Content/119152/PDF/AO_09_JPPR_61_1_924_%C5%81ukaszewicz.pdf L2 - http://www.czasopisma.pan.pl/Content/119152 PY - 2021 IS - No 1 EP - 94 DO - 10.24425/jppr.2021.136272 KW - Acyrthosiphon pisum KW - antioxidant capacity KW - oxidative stress KW - Pisum sativum KW - selenium A1 - Łukaszewicz, Sabina A1 - Politycka, Barbara A1 - Borowiak-Sobkowiak, Beata PB - Committee of Plant Protection PAS PB - Institute of Plant Protection – National Research Institute VL - vol. 61 DA - 2021.03.24 T1 - Effect of selenium on alleviating oxidative stress in pea leaves caused by pea aphid feeding SP - 83 UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/119152 T2 - Journal of Plant Protection Research ER -