Abstract
Branching pattern was studied in Osmanthus fragrans grown in Shifengzai Scenery, Fujian Province, China, by the Strahler method. The architectural parameters (overall bifurcation ratio, stepwise bifurcation ratio (SBR1:2 and SBR2:3), length of the first-order branch, ratio of branch diameter (RBD2:1), branch angle and leaf angle) varied with the different growth and development stages. The architectural comparison of branches showed that height growth was obvious at the seedling stage, transition from height growth to crown expansion occurred at the sapling stage, and the crown diameter increased rapidly with slow height growth at the mature stage. The analysis of leaf distribution showed that the leaves are distributed mainly at the first-order branches and the third-order branches, and the leaf size increased with the growth and development of O. fragrans. It is suggested that the plasticity of branching pattern is an adaptive strategy of O. fragrans.
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Claims 7
Claim · model-written summary
Architectural parameters varied across growth stages.
- Taxon
- Osmanthus fragrans
.jpg?width=60)
Osmanthus fragranst0 - Outcome
- architectural parameterse0
- Direction
- variede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The architectural parameters (overall bifurcation ratio, stepwise bifurcation ratio (SBR1:2 and SBR2:3), length of the first-order branch, ratio of branch diameter (RBD2:1), branch angle and leaf angle) varied with the different growth and development stages.”
t0“Osmanthus fragrans”
Claim · model-written summary
Height growth was obvious at the seedling stage.
- Taxon
- Osmanthus fragransOsmanthus fragranst0
- Organ / stage
- seedling stagee0
- Outcome
- height growthe0
- Direction
- obviouse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“height growth was obvious at the seedling stage”
t0“Osmanthus fragrans”
Claim · model-written summary
Saplings transitioned from height growth to crown expansion.
- Taxon
- Osmanthus fragransOsmanthus fragranst0
- Organ / stage
- sapling stagee0
- Outcome
- transition from height growth to crown expansione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“transition from height growth to crown expansion occurred at the sapling stage”
t0“Osmanthus fragrans”
Claim · model-written summary
Mature trees had rapidly increasing crown diameter and slow height growth.
- Taxon
- Osmanthus fragransOsmanthus fragranst0
- Organ / stage
- mature stagee0
- Outcome
- crown diametere0
- Direction
- increased rapidlye0
- Qualifier
- slow height growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the crown diameter increased rapidly with slow height growth at the mature stage”
t0“Osmanthus fragrans”
Claim · model-written summary
Leaves were mainly distributed on first- and third-order branches.
- Taxon
- Osmanthus fragransOsmanthus fragranst0
- Outcome
- leaves are distributed mainly at the first-order branches and the third-order branchese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the leaves are distributed mainly at the first-order branches and the third-order branches”
t0“Osmanthus fragrans”
Claim · model-written summary
Leaf size increased during growth and development.
- Taxon
- O. fragransOsmanthus fragranse0
- Outcome
- leaf sizee0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the leaf size increased with the growth and development of O. fragrans”
Claim · model-written summary
The authors interpret branching plasticity as an adaptive strategy.
- Taxon
- O. fragransOsmanthus fragranse0
- Outcome
- adaptive strategye0
- Qualifier
- plasticity of branching patterne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the plasticity of branching pattern is an adaptive strategy of O. fragrans”