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Exogenous supply of glutamine and active cytokinin to the roots reduces NO3- uptake rates in poplar

Gessler, Arthur; Dluzniewska , Paulina; Kopriva, Stanislav; Strnad , Miroslav; Novak, Ondrej; Dietrich , Henriette; Rennenberg, Heinz


The present study shows for the first time the influence of exogenously applied amino acids and cytokinin on the physiological and molecular aspects of N metabolism in poplar trees. In a short-term feeding experiment, glutamine or trans-zeatin riboside (tZR) was added directly to the nutrient solution. NO 3- net uptake declined significantly in response to both treatments. Feeding with glutamine brought about an increase in concentrations of different amino compounds in the roots (glutamine,...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Plant Cell and Environment
DOI: 10.1111/j.1365-3040.2006.01507.x


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