Counteraction of salinity stress on wheat plants by grain soaking in ascorbic acid, thiamin or sodium acetate
2001
Al-Hakimi, A.M.A. (Taiz Univ., Taiz (Yemen). Biology Dept.) | Hamada, A.M.
The interactive effects of salinity stress (40, 80, 120 and 160 mM NaCl) and ascorbic acid (0.6 mM), thiamin (0.3 mM) or sodium salicylate (0.6mM) were studied in wheat (Triticum aestivum). The contents of cellulose, lignin of either shoots or roots, pectin of root and soluble sugars of shoots were lowered with the rise of NaCl concentration. On the other hand, the contents of hemicellulose and soluble sugars of roots, starch and soluble proteins of shoots, proline of either shoots or roots, and amino acids of roots were raised. Also, increasing NaCl concentration in the culture media increased Na and Ca ions accumulation and gradually lowered K and Mg ions concentration in different organs of wheat plant. Grain soaking in asorbic acid, thiamin or sodium salicylate could counteract the adverse effects of NaCl salinity on the seedlings of wheat plant by suppression of salt stress induced accumulation of proline.
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