The growing dynamics of the relations of the far red (F734) to red (F682) fluorescence leaves of crymophylactic grass of Elytrigia repens differs from similar dependencies obtained for poplar and birch. It is shown that in the spring and autumn periods the value of F734/F682 increases as the temperature decreases. In the urban environment of the city of Krasnoyarsk parameter F734/F682 is more resistant to the influence of pollutants, than the concentration of the amount of chlorophylls leaves of Elytrigia repens.
fluorescence, chlorophyll, vegetation, Elytrigia repens
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