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Über den Einfluß niedriger und hoher O2-Partialdrucke auf den Sauerstoff- und Kohlendioxidumsatz vonAmaranthusundPhaseoluswährend der Lichtphase

✍ Scribed by H. Fock; H. Schaub; W. Hilgenberg; K. Egle

Publisher
Springer-Verlag
Year
1969
Tongue
English
Weight
396 KB
Volume
86
Category
Article
ISSN
0032-0935

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✦ Synopsis

Carbon dioxide and oxygen gas exchange of illuminated Amaranthus and Phaseolus leaves was measured from 0--600 ppm of CO 2 in an open system.

At low oxygen concentration (2 % O2) the ratio of C02 uptake to 02 evolution came close to 1.

At high oxygen partial pressure (42% 02) the 02 compensation point of an Amaranthus leaf was increased and oxygen evolution was depressed. Accordingly the C02/02 quotients were variable; the lowest value of 1,9 differed significantly from 1,0.

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