THE INFLUENCE OF LIGHT, TEMPERATURE, AND SOME ENZYME POISONS UPON THE TOTAL ORGANIC ACID CONTENT OF LEAF TISSUE OF KALANCHOE DAIGREMONTIANA (HAMET AND PERRIER)
- 1 January 1951
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 26 (1), 1-18
- https://doi.org/10.1104/pp.26.1.1
Abstract
Changes in the organic acid content of leaf pieces were studied by use of a simple titration technic. Both illumination and raising the temp. decreased the total amt. of acids, the magnitude of the change depending on the previous history of the leaf tissue. Azide, cyanide, and iodoacetate ([image]/1000), when infiltrated into the tissue strongly inhibited such changes in acid content. [image]/1000 fluoride inhibited slightly, but pyrophosphate had no effect. Azide and iodoacetate ([image]/1000) inhibited also the accumulation of acids in the dark.Keywords
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