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Effects of salicylic acid and silicon on oxidative damage and antioxidant activity in mung bean cuttings under boron toxicity. | ||
| Journal of University of Babylon | ||
| Article 1, Volume 22, Issue 1, 2014, Pages 335-348 | ||
| Authors | ||
| Abbas J. Muhammad; Abdullah I. Shaheed | ||
| Abstract | ||
| The effects of silicon (Si) and salicylic acid (SA) on the proline, lipid peroxidation (MDA), protein content, transpiration rate and lipoxygenase activity in mung bean (Phaseolus aureus Roxb.) cuttings under boron (B) toxicity were studied. In general, Boron toxicity at (250- 600) µg/ml significantly reduced growth parameters and morphological symptoms represented by bleaching of primary leaves, in addition to chlorosis and necrosis. The physiological parameters of B toxicity were significantly declined for protein (25 %) and transpiration rate (50 %), but there was significant increase in malondialdehyde (52 %), lipoxygenase activity (68 %) and proline (90 %) compared with control .For alleviating B toxicity, SA and Si were supplied. That resulted in increasing in MDA content, whereas decrease proline and maintaining of lipoxygenase activty. Besides, retention of protein content and transpiration rate. | ||
| Keywords | ||
| Salicylic acid; Silicon; Boron Toxicity; oxidative damage; Antioxidants | ||
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