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Ionic Relations of Aeroponically-grown Olive Genotypes, During Salt Stress by Tattini Massimiliano is a Agricultural and Biological Sciences article available to read on EtoBox.

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Two olive (Olea europaea L.) genotypes, 'Frantoio' and 'Leccino', were exposed to increasing concentrations of NaC1 (0--30-60-120 mM) in an aeroponic cultivation system for 60 days. Dry weights and sodium and potassium contents of apical and basal leaves, new and old wood, and roots were measured to determine Na uptake rate, Na translocation rate and K-Na selectivity ratio (SK,Na). 'Frantoio' showed a higher salt resistance than 'Leccino'. 'Frantoio' and 'Leccino' had a similar Na uptake rate, but largely differed for Na translocation to the shoot. Furthermore 'Frantoio' exhibited a higher K-Na selectivity than 'Leccino' at both whole plant level and above all at the level of shoot system. Resistance mechanism of 'Frantoio' is probably related to Na esclusion by roots and to the ability to maintain an appropriate K/Na ratio in actively growing tissues.

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Author

Tattini Massimiliano

Publisher

Springer; Springer-Verlag; Kluwer Academic Publishers; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0032-079X)

Published

1994

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)