Effect of the Two Antioxidants; Glutathione and Ascorbic Acid on Vegetative Growth, Yield and Some Biochemical Changes in Two Wheat Cultivars
Journal of Plant Sciences
Volume 2, Issue 5, October 2014, Pages: 215-221
Received: Oct. 1, 2014;
Accepted: Oct. 13, 2014;
Published: Oct. 30, 2014
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Mohamed El-Sayed El-Awadi, Botany Department, National Research Centre, Dokki, Giza, Egypt
Safaa Reda El-Lethy, Botany Department, National Research Centre, Dokki, Giza, Egypt
Kawther Gad El-Rokiek, Botany Department, National Research Centre, Dokki, Giza, Egypt
Two field experiments were carried out in the experimental farm of National Research Center at Nubaria, Egypt, during two successive seasons 2011/2012 and 2012/2013 to study the effect of the two antioxidants; glutathione and ascorbic acid on growth, yield and yield components of two cultivars of wheat plant (Triticum aestivum L.). The two cultivars were Sakha93 and Giza168. The two antioxidants were foliarly applied twice at the two concentrations 50 and 100ppm for each. The first spray was applied 30 days after sowing and the second spray was applied 15 days later (45 days after sowing). The results indicated significant increases in the growth of the two wheat cultivars Sakha93 and Giza168. The increase in growth was accompanied by increase in yield and yield components of the two cultivars compared to the corresponding controls. In general, growth and yield exhibited greatest response towards the higher concentration of glutathione. The increase in wheat growth was concomitant with increases in photosynthetic pigments, carbohydrate, total free amino acids and protein contents. The results suggested using both antioxidants glutathione and ascorbic acid especially at 100 ppm of glutathione to improve wheat growth and yield.
Mohamed El-Sayed El-Awadi,
Safaa Reda El-Lethy,
Kawther Gad El-Rokiek,
Effect of the Two Antioxidants; Glutathione and Ascorbic Acid on Vegetative Growth, Yield and Some Biochemical Changes in Two Wheat Cultivars, Journal of Plant Sciences.
Vol. 2, No. 5,
2014, pp. 215-221.
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