Interaction of Rubidium or Sodium with Potassium in Absorption by Intact Sugar Beet Plants
Author(s) -
Adel M. ElSheikh,
T. C. Broyer,
Albert Ulrich
Publication year - 1971
Publication title -
plant physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.47.5.709
Subject(s) - sugar beet , potassium , sugar , rubidium , sodium , chemistry , absorption (acoustics) , salt (chemistry) , selectivity , agronomy , food science , biology , biochemistry , materials science , organic chemistry , composite material , catalysis
This study concerns the selective absorption of K and Rb or of K and Na by intact sugar beet (Beta vulgaris) plants from modified conventional nutrient solutions over an extended period of plant growth. Long term results agreed with those of short term experiments by other investigators using excised root systems and simple salt solutions. Potassium and Rb were mutually competitive in their absorption. High selectivity of K relative to Na absorption was observed. Sodium was excluded during the early growth period of sugar beets.
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