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  • Author or Editor: T. Khrais x
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The relative salinity tolerance of 130 North American and European potato cultivars were assessed in vitro using nodal cuttings micropropagated in salinized medium. Each cultivar was evaluated twice, using five single-node cuttings, at each salt level (0, 40, 80, and 120 mM NaCl). After 1 month in culture, plantlets were destructively harvested for shoot and root lengths, fresh and dry weights, and the data corrected for differences in cultivar vigor. Multivariate cluster analysis was used to partition this population, based on the six relative growth parameters. Six cultivars were top-ranked at all salinity levels.

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