Effect of inorganic phosphate on photosynthesis in bean leaves

It was shown that raising pod seedlings by the hydroponics method on KH2PO4 solutions at concentrations between 10(-7) and 10(-5) M leads to an increase in the rate of oxygen release (delta O2/delta t), with the chlorophyll content in leaves being unchanged. The values of the parameters FM/FT of slo...

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Bibliographic Details
Published inBiofizika Vol. 45; no. 2; p. 360
Main Authors Dovyd'kov, S A, Baulin, A M, Trubitsyn, B V, Karavaev, V A, Tikhonov, A N
Format Journal Article
LanguageRussian
Published Russia (Federation) 01.03.2000
Subjects
Chlorophyll - metabolism
Fabaceae - metabolism
Fabaceae - physiology
Oxygen - metabolism
Phosphates
Photosynthesis - physiology
Plant Leaves - metabolism
Plant Leaves - physiology
Plants, Medicinal
Potassium Compounds
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Summary:It was shown that raising pod seedlings by the hydroponics method on KH2PO4 solutions at concentrations between 10(-7) and 10(-5) M leads to an increase in the rate of oxygen release (delta O2/delta t), with the chlorophyll content in leaves being unchanged. The values of the parameters FM/FT of slow fluorescence induction and B/A of photoinduced changes in ESR1 signals from pod leaves correlate with the delta O2/delta t value.
ISSN:0006-3029