Document Type : Research Article
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Abstract
The production of reactive oxygen species (ROS) in plants under low temperature stress cause damage to plants. In order to evaluate of antioxidant responses of Page mandarin young trees (two years old) on different rootstocks under low temperatures, an experiment was conducted in a factorial plan based on completely randomized design. Treatment of temperatures were at seven levels include 9, 6, 3, 0.-3,-6 °C and 25 ± 2 °C (as control) and rootstocks were Sour orange, Citrange and Trifoliate orange. Results showed that, low temperatures increased electrolyte leakage, lipid proxidation, antioxidant capacity, superoxide dismutase, ascorbate peroxidase, catalase and peroxidase enzyme activities (P
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