Photosynthesis, photochemistry and antioxidative defence in response to two drought severities and with re-watering in Allocasuarina luehmannii.

@article{Posch2009PhotosynthesisPA,
  title={Photosynthesis, photochemistry and antioxidative defence in response to two drought severities and with re-watering in Allocasuarina luehmannii.},
  author={Sabine Posch and Lauren T. Bennett},
  journal={Plant biology},
  year={2009},
  volume={11 Suppl 1},
  pages={83-93}
}
Gas exchange, chlorophyll fluorescence and water potentials, together with ascorbate and glutathione concentrations, were studied during moderate and severe drought stress and in response to re-watering in Allocasuarina luehmannii seedlings. Moderate drought stress (MS) decreased stomatal conductance (g(s)) and net CO(2) assimilation rates (A) to approximately 40% and approximately 60% of control values, respectively, and caused decreases in internal CO(2) concentration (C(i)) and maximum light… CONTINUE READING
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