Date Palm Offshoots
Salinity is one of the most abiotic stress destructive factors which limit growth and production of date palm offshoots considerably. In order to investigate the effects of antioxidant compounds on growth parameters as indicters to salt tolerance at the date palm offshoots cultivars of Kabkab (female) and Ghannami ahmer (male). Experiment was conducted with seven treatments and four replications for each treatment to each cultivar. Offshoots received (Control treatments once without salt water and another with salt water, spraying citric acid at 800 ppm, spraying ascorbic acid at 600 ppm, soil injection by Acetyl salicylic acid at 2000 ppm (aspirin), soil injection by acetyl salicylic acid at 2000 ppm + spraying citric acid at 800 ppm and soil injection by …show more content…
Many compounds as citric acid, Ascorbic acid and salicylic acid act as antioxidant and scavengers of ROS. Recently, antioxidants are suggested for improving salt tolerance in plants, these compounds as non-enzymatic materials have beneficial effects on scavengers of ROS. Citric acid is considered now as one of non enzymatic antioxidants which act to eliminate free radicals produced in plants under stress in plants (Yan-Lin and Soon, 2001). It is an important substrate in Krebs cycle. In addition, the cycle provides precursors including certain amino acids as well as the reducing agent NADH that is used in numerous biochemical reactions. So, it plays an important role in stimulating biosynthesis processes (Abd El-Al, 2009). *Correspondingauthor: Hussein J. Shareef Department of Date Palm Varieties, Date Palm Research Center, University of Basrah, Basrah, Iraq Ascorbic acid is an important primary metabolite in plants that functions as an antioxidant, an enzyme cofactor and a cell signalling modulator in a wide array of crucial physiological
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