Effect of NaCl-Stress on Metabolism of NO3-, NH4+ and NO2- at Several Rice Varieties
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Published:
Apr 11, 2018
Keywords:
NaCl-tolerant,
NH4 ,
NO2-,
NO3-,
rice varities
NH4 ,
NO2-,
NO3-,
rice varities
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Abstract
Effect of NaCl-Stress on Metabolism of NO3-, NH4+ and NO2- at Several Rice Varieties (MZH Utama): This study was conducted to evaluate the effect of NaCl-stress on metabolism of NO3-, NH4+ and NO2- at several rice varieties. The results showed that an addition of NaCl had lesser effect on NaCl-tolerant varieties as compared to NaCl-sensitive in term of reduction in NO3-, NH4+, and NO2- uptake. Rice adaptation ability to NaCl stress occurred through the mechanism of NO3-, NH4+, and N02- metabolism physiology. It was indicated by the difference concentration of NO3-, NH4+ and N02- between the tolerant (Cisadane), moderate (Batang Lembang, Rendah Kuning, and Batang Piaman) and sensitive (IR 66) varieties. Concentration of NH4+ and N02- of tolerant rice (Cisadane) at NaCl treatment were about 1.16 and 2.6 times higher than that at control, respectively, while concentration of NO3- was only 0.03 times lower than control. In contrast, concentration of NO3-, NH4+, and N02- of sensitive rice (IR 66), were about 0.09, 0.27, and 0.41 times lower than that in control respecting at NaCl treatment, respectively.
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How to Cite
Utama, M. . Z. H. (2018). Effect of NaCl-Stress on Metabolism of NO3-, NH4+ and NO2- at Several Rice Varieties. JOURNAL OF TROPICAL SOILS, 15(3), 189–194. https://doi.org/10.5400/jts.2010.v15i3.189-194
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