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REVERSAL BY CALCIUM OF SALINITY-INDUCED GROWTH INHIBITION IN EXCISED PEA ROOTS

REVERSAL BY CALCIUM OF SALINITY-INDUCED GROWTH INHIBITION IN EXCISED PEA ROOTS An increase to 10 mM of the Ca2 concentration in the growth medium of excised pea roots abolished the morphological changes caused by the presence of 120 mM NaCl and allowed an almost normal root elongation. The K/Na ratio in the terminal segment of salt-mated roots was about 1/5 of that in controls. Addition of 10 mM Ca2 resulted in a twofold increase of the K/Na ratio in the terminal segment, but hardly altered this ratio in the other root segments. The importance of the meristematic region in the salt response of roots is emphasized. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Israel Journal of Plant Sciences Brill

REVERSAL BY CALCIUM OF SALINITY-INDUCED GROWTH INHIBITION IN EXCISED PEA ROOTS

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0792-9978
DOI
10.1080/0021213X.1989.10677113
Publisher site
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Abstract

An increase to 10 mM of the Ca2 concentration in the growth medium of excised pea roots abolished the morphological changes caused by the presence of 120 mM NaCl and allowed an almost normal root elongation. The K/Na ratio in the terminal segment of salt-mated roots was about 1/5 of that in controls. Addition of 10 mM Ca2 resulted in a twofold increase of the K/Na ratio in the terminal segment, but hardly altered this ratio in the other root segments. The importance of the meristematic region in the salt response of roots is emphasized.

Journal

Israel Journal of Plant Sciences – Brill

Published: May 13, 1989

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