Cell neutrality in sodium chloride‐treated leaves and calli of the wilty mutantlycopersicon esculentumflacca and the wild specieslycopersicon peruvianum

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Abstract
Some parameters involved in cell neutrality (inorganic solute, cation‐anion balance, proline and organic acid contents linked to oxidative respiration, and PEPCase activity) were determined in salinized plant leaves and leaf calli from two tomato species, the wilty mutant Lycopersicon esculentum cv flacca, and the wild relative L. peruvianum. Callus sensitivity was associated to membrane integrity and cell neutrality; while whole plant sensitivity was linked to nutritional unbalance and energy supply, both factors affecting the maintenance of the cell neutrality by means of ion translocation/compartimentalization.