18. Salinity (sodium and potassium chloride) influence on germination and growth factors of wheat (Triticum aestivum)

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Zubia Rahim, Gulnaz Parveen Naila Mukhtar Kiran Natasha


The effects of salt stress on wheat (Triticum aestivum) was assessed by application of various concentrations (100, 150, 200 and 250mM) of two types of salts (NaCl, KCl and Mixture of NaCl and KCl). This study revealed the extent to which the Wheat plant can tolerate the salt stress. The germination and growth parameters were analyzed in laboratory and in pots by application of the said concentrations of salts. Increasing levels of the salts reduced the growth of Wheat (Triticum aestivum) plant. Radical length reduced to 0.5, 0.3 and 0.2 cm at 200mM concentrations of NaCl, KCl and mixture of NaCl and KCl respectively which is less than control (2.8 cm). The stem length, leaves length, stem breadth, number of tillers, number of leaves per plant, number of seeds per spike, spike length, weight of whole plant and weight of 50 grains of wheat showed reduction as the salinity levels increased to 200 mM and 250mM compared to control. Wheat plant is found to be salt sensitive plant, not suggested to grow in saline or waterlogged areas.

Keywords:  Cereal; Crop; Concentration; Mixture; Salt; Stress


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