Day-Night Variations in Malate Concentration, Osmotic Pressure, and Hydrostatic Pressure in Cereus validus.

@article{Lttge1984DayNightVI,
  title={Day-Night Variations in Malate Concentration, Osmotic Pressure, and Hydrostatic Pressure in Cereus validus.},
  author={Ulrich E. L{\"u}ttge and Park S. Nobel},
  journal={Plant physiology},
  year={1984},
  volume={75 3},
  pages={
          804-7
        }
}
  • Ulrich E. Lüttge, Park S. Nobel
  • Published in Plant physiology 1984
  • Medicine, Chemistry
  • Malate concentration and stem osmotic pressure concomitantly increase during nighttime CO(2) fixation and then decrease during the daytime in the obligate Crassulacean acid metabolism (CAM) plant, Cereus validus (Cactaceae). Changes in malate osmotic pressure calculated using the Van't Hoff relation match the changes in stem osmotic pressure, indicating that changes in malate level affected the water relations of the succulent stems. In contrast to stem osmotic pressure, stem water potential… CONTINUE READING

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