Abstract
Fifty-day old faba bean, common bean and chick pea were subjected to an 8 day water stress that decreased soil water potential to -0.64 MPa. There was solute accumulation in all tested species. Drought-induced osmotic adjustment was observed only in chick pea. In young leaves of this species 55% of the induced osmotic pool was contributed by water- soluble sugars and inositols, 19% by Ca2+ and 18% by amino acids. Although K+ was the principal component of the sap, K+ accumulation was due to a concentration effect. The increase in solute levels in stressed faba bean and common bean plants was due to a concentration effect as a result of significant water loss and growth inhibition.
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© 1997 Kluwer Academic Publishers
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Amede, T., Schubert, S. (1997). Solute-pool enlargement in drought-sensitive or -tolerant grain legumes: Concentration effect or osmotic adjustment?. In: Ando, T., Fujita, K., Mae, T., Matsumoto, H., Mori, S., Sekiya, J. (eds) Plant Nutrition for Sustainable Food Production and Environment. Developments in Plant and Soil Sciences, vol 78. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0047-9_35
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DOI: https://doi.org/10.1007/978-94-009-0047-9_35
Publisher Name: Springer, Dordrecht
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