Influence of sodium humate on the uptake of some ions by tomato seedlings

Influence of sodium humate on the uptake of some ions by tomato seedlings

The influence of sodium humate on the uptake of K+, Rb+, NH4+, Mg+, Fe+, PO4 (exp. 3-), NO2- and Cl- ions from equilibrated aqueous solutions was investigated. By varying transpiration and applying dinitrophenol "passive" and "active" uptake was distinguished. Ion decrease in the...

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Veröffentlicht in:Acta Societatis Botanicorum Poloniae 1983-01, Vol.52 (2), p.149-164
Hauptverfasser: Guminski, S, Sulej, J. (Wroclaw Univ., Wroclaw (Poland). Inst. of Botany), Glabiszewski, J
Format: Artikel
Sprache:eng
Schlagworte:
Chloride
Iron
Magnesium
Potassium
Roots
Rubidium
Seedlings
Shoots
Sodium
Transpiration
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Zusammenfassung:The influence of sodium humate on the uptake of K+, Rb+, NH4+, Mg+, Fe+, PO4 (exp. 3-), NO2- and Cl- ions from equilibrated aqueous solutions was investigated. By varying transpiration and applying dinitrophenol "passive" and "active" uptake was distinguished. Ion decrease in the solution and accumulation of labelled elements in roots and shoots was determined. Humates strongly stimulated K+ and Rb+ uptake and strongly inbited the uptake of Cl-, while it slightly enhanced Mg+
ISSN:0001-6977
2083-9480
2083-9480
DOI:10.5586/asbp.1983.017