Effects of gravity on transpiration of plant leaves.

  title={Effects of gravity on transpiration of plant leaves.},
  author={Hiroaki Hirai and Yoshiaki Kitaya},
  journal={Annals of the New York Academy of Sciences},
To clarify effects of gravity on the water vapor exchange between plants and the ambient air, we evaluated the transpiration rate of plant leaves at 0.01, 1.0, and 2.0 g for 20 s each during parabolic airplane flights. The transpiration rates of a strawberry leaf and a replica leaf made of wet cloth were determined using a chamber method with humidity sensors. Absolute humidity at 3 and 8 mm below the lower surface of leaves was measured to evaluate the effect of gravity on humidity near leaves… CONTINUE READING

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