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Role Of Calcium In Alleviating Salinity Effects In Coastal Halophytes

  • Conference paper
Ecophysiology of High Salinity Tolerant Plants

Part of the book series: Tasks for Vegetation Science ((TAVS,volume 40))

The purpose of the current investigation was to study the effect of Ca2+ on the seed germination of coastal species like Arthrocnemum indicum, A. macrostachyum, Desmostachya bipinnata, Halopyrum mucronatum and Urochondra setulosa under NaCl salinity. Seed germination was inhibited with the increase in NaCl concentration and species differ in their range of NaCl tolerance. Inclusion of CaCl2 partially or completely alleviated NaCl effects on the germination of all species. In the case of A. macrostachyum calcium application completely alleviated salinity effects at all concentrations of NaCl, while in the case of A. indicum and D. bipinnata calcium completely alleviated NaCl effects except at 800 mM NaCl. While in the case of H. mucronatum and U. setulosa Ca2+ completely alleviated the NaCl effects at low concentration and partially alleviated at higher concentrations.

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Authors and Affiliations

  1. Department of Botany, University of Karachi, Karachi, 75270, Pakistan

    Bilquees Gul

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  1. Bilquees Gul
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  2. M. Ajmal Khan
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Correspondence to M. Ajmal Khan .

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Editors and Affiliations

  1. Department of Botany, University of Karachi, Karachi, 75270, Pakistan

    M. Ajmal Khan

  2. Dept. of Integrated Biology, Brigham Young University, Karachi, Provo, Utah 84602, USA

    Darrell J. Weber

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Gul, B., Khan, M.A. (2008). Role Of Calcium In Alleviating Salinity Effects In Coastal Halophytes. In: Khan, M.A., Weber, D.J. (eds) Ecophysiology of High Salinity Tolerant Plants. Tasks for Vegetation Science, vol 40. Springer, Dordrecht. https://doi.org/10.1007/1-4020-4018-0_6

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