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Salt tolerance of the reed plant Phragmites communis
Author(s) -
Matoh Toru,
Matsushita Nobutoshi,
Takahashi Eiichi
Publication year - 1988
Publication title -
physiologia plantarum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.351
H-Index - 146
eISSN - 1399-3054
pISSN - 0031-9317
DOI - 10.1111/j.1399-3054.1988.tb06615.x
Subject(s) - phragmites , shoot , salinity , osmotic pressure , sucrose , botany , osmoregulation , chemistry , sodium , salt (chemistry) , horticulture , biology , food science , ecology , organic chemistry , wetland
Reed plants ( Phragmites communis Trinius) were grown at NaCl concentrations up to 500 m M and their growth, mineral contents and leaf blade osmotic potential were determined. Addition of NaCl up to 300 m M did not affect growth significantly. Sucrose, Cl ‐ and Na + concentrations in the shoots increased with the salinity of the medium and the shoot water content decreased. K + always contributed most to the leaf osmotic potential. Even in the presence of 250 m M NaCl in the rooting medium, the leaf blade contained only 50 mM Na + , suggesting that the plants have an efficient mechanism for Na + exclusion. 22 Na + uptake experiments suggested that the retranslo‐cation of absorbed Na + from shoots to the rooting medium lowered the uptake of Na + .