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 AJPS  Vol.7 No.15 , November 2016
Effect of Salts Stress on the Growth and Yield of Wheat (Triticum aestivum L.)
Abstract: In order to study the effect of salts stress on the growth and yield of wheat (cv. Inqalab), a pot experiment was conducted in the wire-house of the Department of Soil Science, Sindh Agriculture University Tando Jam. The soil was artificially salinized to a range of salinity levels i.e . EC 2.16, 4.0, 6.0, 8.0 and 10.0 dS·m-1 with different salts (MgCl2 + CaCl2 + Na2SO4). The salinized soil used for the experiment was sandy clay in texture, alkaline in reaction (pH > 7.0) and moderate in organic matter (0.95%) content. The results showed that with increasing salinity there was an increase in the ECe, Na+, Ca2+, Mg2+ and Cl- and decrease in the K+, SAR and ESP values of the soil Increasing salinity, progressively decreased plant height, spike length, number of spikelets spike-1 1000 grain weight and yield (straw and grain). Adverse effects of salts on plants were associated with the accumulation of less K+ and more Na+ and Cl- in their flag leaf sap, grains and straw. This resulted in lower K+:5Na+ ratio in flag leaf sap, grains and straw of wheat plants. These results indicated that the effects of salts stress were greater at 10 than at 8, 6 and 4 EC dS·m-1.
Cite this paper: Ahmed Kalhoro, N. , Rajpar, I. , Ali Kalhoro, S. , Ali, A. , Raza, S. , Ahmed, M. , Ali Kalhoro, F. , Ramzan, M. and Wahid, F. (2016) Effect of Salts Stress on the Growth and Yield of Wheat (Triticum aestivum L.). American Journal of Plant Sciences, 7, 2257-2271. doi: 10.4236/ajps.2016.715199.
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