Claim · model-written summary
The tension hypothesis best fits observed facts about sap ascent.
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Verbatim
e0“The various theories of the ascent of sap are discussed and it is concluded that the tension hypothesis best meets the observed facts.”
t0“THE PHYSIOLOGY OF THE TREE”
Title
R. Darnley Gibbs Canadian Journal of Research/Canadian journal of research 1935. doi:10.1139/cjr35-064
Other claims from this paper (3)
- Observation Seasonal and diurnal changes in water, gas and tension accord with the tension hypothesis.
- Mechanism Differences in sap-flow behavior among maple, birch and poplar cannot be explained by root-system differences.
- Association Earlier cessation of bleeding and tension development in poplar correlate with greater twig evaporation.