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Ineffectual role of proline metabolism in salt-stressed sugarcane leaves

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Proceedings / Indian Academy of Sciences

Abstract

Sugarcane var. CO 740 is known to be salt-sensitive. Effect of increasing concentrations of NaCl and Na2SO4 as prolonged salt stress, and of −10 bar NaCl and PEG as well as 10 EC NaCl Na2SO4, MgCl2 and MgSO4 as abrupt stress in base-nutrient solution has been investigated on proline metabolism. Neither of these stress conditions could effectively stimulate proline accumulation in the leaves of treated sugarcane plants, in spite of the abrupt drop in leaf osmotic potential. It can be concluded that the sugarcane var. CO 740 lacks this adaptive mechanism and hence seems to be salt-sensitive.

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Authors and Affiliations

  1. Department of Botany, Shivaji University, 416 004, Kolhapur, India

    G V Joshi

  2. Department of Botany, Gulbarga University, 585 106, Gulbarga, India

    G R Naik

Authors
  1. G R Naik
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  2. G V Joshi
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Naik, G.R., Joshi, G.V. Ineffectual role of proline metabolism in salt-stressed sugarcane leaves. Proc. Indian Acad. Sci. 92, 265–269 (1983). https://doi.org/10.1007/BF03053095

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  • DOI: https://doi.org/10.1007/BF03053095

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