Effects of nano-iron spraying on the antioxidant activities of canola leaf under drought stress
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2017, Vol 11, Issue 1
Abstract
Drought stress limits plant productivity and performance constraining safe food production worldwide. Reactive oxygen species (ROS) are mostly harmful event taking place in plants under abiotic stresses. This study aimed to evaluate nano-iron foliar application in reducing ROS damage through measuring electrolyte leakage, total phenolic content, antioxidant enzymes (ascorbate peroxidase, catalase, and guaiacol peroxidase), and antioxidant activity in canola under 30% FC of drought stress. Results indicated that the effect of drought stress and nano-iron spraying were significant on studied parameters (p<0.01). The plants treated with nano-iron compared to untreated plants showed remarkably a low electrolyte leakage and high total phenolic content, antioxidant enzyme activities, and antioxidant activity under 30% FC (LSD<0.05). In conclusion, it is suggested that nano-iron is effective in reducing ROS damage and improving oxidative defense system in canola.
Authors and Affiliations
Reza Shokri-Gharelo, Morteza Derakhti-Dizaji, Ghader Rostami
Keywords
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