Impact of nicosulfuron on biochemical markers of oxidative stress in maize leaves and roots
2021
Kuvelja, Anđela | Davidović-Plavšić, Biljana | Lukić, Danijela | Gajić, Nemanja | Žabić, Mirjana | Škondrić, Siniša | Kukavica, Biljana
Maize (Zea mays L.) is one of the most important crops. It is the object of many studies, aiming to utilize its full genetic potential and quality, while protecting it from the harmful external factors. Considering that weeds in the early stage of maize development can severely affect the yield, effective weed control is of great importance. As the most significant herbicides in fighting maize weeds, sulfonylurea herbicides are singled out. The aim of this research was to test the impact of different concentrations of nicosulfuron (150 and 250 mg/mL) on the biochemical (oxidative and anti-oxidative) parameters of two maize hybrids (ZP 555 and ZP 606). After treating maize plants with different concentrations of nicosulfuron for five days, concentrations of hydrogen peroxide (H2 O2 ), phenolic compounds and total chlorophyll were measured, as well as the activity of enzymes Peroxidase Class III (POD) and ascorbate peroxidase (APX). The results showed that nicosulfuron significantly impacted the biochemical parameters in the root and leaves of maize. Differences in impact of nicosulfuron at different concentrations and differences in the tolerance of two hybrids to treatment were also observed.
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