Biologia plantarum 50:749-751, 2006 | DOI: 10.1007/s10535-006-0122-1

The influence of ammoniates on 14CO2 assimilation in flax

V. I. Chikov1,*, G. G. Bakirova1, S. N. Batasheva1, A. A. Sergeeva1
1 Institute of Biochemistry and Biophysics, Kazan Scientific Centre of the Russian Academy of Sciences, Kazan, Russia

A 1 μM solution of ammoniates [ZnCu(NH3)n]2+(CO3)2- was inserted into a cut shoot of flax with the transpiration stream of water. Analysis of the 14C content after 14CO2 assimilation by the shoot showed that ammoniates increased radioactive label contents in the tissues (especially in the young leaves and stem). In the leaves the higher sucrose to hexoses ratio, an increased radioactivity of glycerate and malate and decreased incorporation of 14C into oligosaccharides and pigments were observed. These effects were more pronounced in the young leaves. Spraying of plants with 20 mM solution resulted in an increase of plant height and leaf number.

Keywords: apoplast; assimilate transport; Linum usitatissimum; photosynthesis; physiologically active substances; plant productivity
Subjects: amino acids; ammoniates; apoplast; assimilate transport; flax; gas exchange; growth analysis, plant development, biomass and yield enhancement; Linum usitatissimum; oligosaccharides; sucrose; sugars; transpiration rate

Received: November 3, 2004; Accepted: August 15, 2005; Published: December 1, 2006Show citation

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Chikov, V.I., Bakirova, G.G., Batasheva, S.N., & Sergeeva, A.A. (2006). The influence of ammoniates on 14CO2 assimilation in flax. Biologia plantarum, 50(4), 749-751. doi: 10.1007/s10535-006-0122-1.
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