Genotypic responses of rice under salinity and high temperature stresses on seed germination and seedling growth

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Published: Jul 15, 2015
Keywords:
Seed germination Seedlings Salinity (NaCl) Temperature Rice genotypes

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Solangi, S. B.
Department of Crop Physiology, Sindh Agriculture University Tandojam, Pakistan
Chachar, Q. I.
Department of Crop Physiology, Sindh Agriculture University Tandojam, Pakistan
Shereen, A.
Nuclear Institute of Agriculture (NIA) Tandojam, Pakistan
Chachar S. D.
Department of Biotechnology, Sindh Agriculture University Tandojam, Pakistan
Solangi, A. B.
Department of Agronomy, Sindh Agriculture University Tandojam, Pakistan
Solangi, A. J.
Department of Plant Breeding and Genetics, Sindh Agriculture University Tandojam, Pakistan

Abstract

Seeds of four different rice genotypes (Kharaganja, Shua-92, IR-9 and FL-478) were exposed to increasing concentrations (0, 50, 75 and 100mM) of NaCl and (30 and 380C) temperature, to investigate the genotypic responses of rice under salinity and high temperature stresses on seed germination and seedling growth. There was a regular decrease in seed germination and seedling growth raised in plastic bowls for ten days with increasing salt concentration and temperature. Highest germination and seedling growth was observed in
Kharaganja and FL-478 as compared to Shua-92 and IR-9. It was concluded on the basis of growth characteristics that all the genotypes
indicated more sensitive to high temperature stress (38oC) with increasing salinity levels.

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How to Cite
Solangi, S. B., Chachar, Q. I., Shereen, A., Chachar S. D., Solangi, A. B., & Solangi, A. J. (2015). Genotypic responses of rice under salinity and high temperature stresses on seed germination and seedling growth. International Journal of Agricultural Technology, 11(5), 1129–1143. retrieved from https://li04.tci-thaijo.org/index.php/IJAT/article/view/6436
Issue
Vol. 11 No. 5 (2015): July
Section
Original Study
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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