Salinity resistance in <i>Zea mays:</i> fluxes of potassium, sodium and chloride, cytoplasmic concentrations and microsomal membrane lipids
M. A. HAJIBAGHERISchool of Biological Sciences. The University of Sussex, Brighton BNI 9QG. U.KA. R. YeoSchool of Biological Sciences. The University of Sussex, Brighton BNI 9QG. U.KT. J. FlowersSchool of Biological Sciences. The University of Sussex, Brighton BNI 9QG. U.KJ. C. CollinsDepartment of Botany, University of Liverpool. P.O. Box 147, Liverpool L69 3BX, U.K
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Abstract Cytoplasmic concentrations, fluxes of K + , Na + and Cl and microsomal membrane lipids were investigated in a salt‐sensitive and salt‐resistant variety of Zea mays. The salt resistance of Protador relative to LG H (salt‐sensitive) appears to be related to higher K + fluxes and cytoplasmic concentrations, and lower Na + and Cl fluxes and cytoplasmic concentrations, when grown in NaCl. There were no apparent differences in the simple chemical composition of root microsomal membrane lipids between the two varicties, neither were these affected by salt.
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