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Sodium Absorption by Intact Sugar Beet Plants
Author(s) -
Adel M. ElSheikh,
Albert Ulrich
Publication year - 1971
Publication title -
plant physiology
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.48.6.747
Subject(s) - sugar beet , sodium , sugar , absorption (acoustics) , chemistry , botany , incubation , horticulture , food science , biochemistry , biology , materials science , organic chemistry , composite material
Sodium absorption by intact sugar beet plants (Beta vulgaris) was found to be mediated by at least two distinct mechanisms when uptake was studied over a wide range of Na and K concentrations. The first mechanism operates at low Na concentrations (<1 milliequivalent per liter); presence of K completely blocks this mechanism for Na. The second mechanism operates at high Na concentrations (>1 milliequivalent per liter), transporting Na as well as K; but apparently this mechanism is not active for Na absorption in young sugar beet plants up to the 10-leaf stage.

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