Abstract
A model was developed to describe the first-order branch architecture of Populus clones grown under short-rotation, intensive culture. Four basic model components describe branch location along the tree bole, orientation of the branch in the plane in which it arises, taper of the branch, and the relation between leaf surface area supported by the branch and branch size. Branch arrangement along the tree bole was found to be symmetric for portions of the bole containing branches. Branch orientation was well described by assuming curvature to be constant, and branch taper was successfully modeled using a simple power function. Branch surface area was determined to be the most appropriate predictor of leaf surface area supported by the branch. Combining the four model components in a computer program allows an analysis of the dynamics of Populus crowns not previously possible.
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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 5
Claim · model-written summary
Branch arrangement along the Populus bole was symmetric where branches were present.
Not reportedTaxon
Verbatim
e0“Branch arrangement along the tree bole was found to be symmetric for portions of the bole containing branches”
Claim · model-written summary
Assuming constant curvature described Populus branch orientation well.
Not reportedTaxonValue
Verbatim
e0“Branch orientation was well described by assuming curvature to be constant”
Claim · model-written summary
A simple power function successfully modeled Populus branch taper.
Not reportedTaxon
Verbatim
e0“branch taper was successfully modeled using a simple power function”
Claim · model-written summary
Branch surface area was the most appropriate predictor of supported leaf surface area.
- Outcome
- leaf surface area supported by the branche0
- Direction
- most appropriatee0
- Comparator
- Branch surface areae0
Not reportedTaxon
Verbatim
e0“Branch surface area was determined to be the most appropriate predictor of leaf surface area supported by the branch”
Claim · model-written summary
Combining model components enabled analysis of Populus crown dynamics.
- Outcome
- analysis of the dynamics of Populus crownse0
- Direction
- not previously possiblee0
- Comparator
- four model componentse0
PopulusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combining the four model components in a computer program allows an analysis of the dynamics of Populus crowns not previously possible”