Résumé
NaCl tolerance and ion transport were studied in four varieties of triticale. Five-day-old seedlings were transfered into liquid media containing NaCl (0 to 200 mM). Dry matter production, tissue water content, and ion accumulation were determined 10 days later. The 4 varieties differed in sensitivity to NaCl. Comparative analysis of their inorganic nutrition revealed that the most tolerant variety was the most efficient in limiting Na+ transport into the shoot, and in taking up K+. These results suggest that the K+/Na+ selectivity coefficient of the transport into the shoot could be used as a criterion for early selection for tolerance to NaCl.