Abstract
A Fourier analysis was used to study the marked variations in the rate of shoot elongation and branch formation of young Terminalia superba plants. The growth of aerial parts of 3-month-old Terminalia seedlings was measured daily during the following 7 months of growth, and then weekly over a 15-month period of study. Measurements were carried out in a controlled glasshouse at 27 °C and 16 h photoperiod. The Fourier method clearly demonstrated that the main axis of young T. superba showed periodical regular variations, with rest periods. This study revealed that the plagiotropic branch formation by apposition and elongation of axillary units was equally rhythmic and directly related to the main shoot growth rhythm. However, the dates of outbreak of these new units on branches seemed relatively independent from variations in shoot growth rate. This developmental pattern ended in a characteristic and particular stratified branch system in young Terminalia superba, comparable to the system shown by adult plants in their natural environment.
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Claims 4
Claim · model-written summary
The main axis of young Terminalia superba showed periodical regular variations in growth, with rest periods.
- Taxon
- Terminalia superba
Terminalia superbat0 - Organ / stage
- main axise1
- Outcome
- periodical regular variationse1
- Qualifier
- with rest periodse1
- Setting
- controlled glasshousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Terminalia superba Plants”
e0“Measurements were carried out in a controlled glasshouse at 27 °C and 16 h photoperiod”
e1“The Fourier method clearly demonstrated that the main axis of young T. superba showed periodical regular variations, with rest periods”
Claim · model-written summary
Plagiotropic branch formation by apposition and elongation of axillary units was equally rhythmic and directly related to the main shoot growth rhythm.
- Taxon
- Terminalia superbaTerminalia superbat0
- Organ / stage
- axillary unitse2
- Outcome
- plagiotropic branch formatione2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Terminalia superba Plants”
e2“the plagiotropic branch formation by apposition and elongation of axillary units was equally rhythmic and directly related to the main shoot growth rhythm”
Claim · model-written summary
Dates of outbreak of new units on branches seemed relatively independent of variations in shoot growth rate.
- Taxon
- Terminalia superbaTerminalia superbat0
- Organ / stage
- branchese3
- Outcome
- the dates of outbreak of these new unitse3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Terminalia superba Plants”
e3“the dates of outbreak of these new units on branches seemed relatively independent from variations in shoot growth rate”
Claim · model-written summary
The developmental pattern ended in a stratified branch system in young Terminalia superba, comparable to that of adult plants in their natural environment.
- Taxon
- Terminalia superbaTerminalia superbat0
- Outcome
- stratified branch systeme4
- Qualifier
- comparable to the system shown by adult plants in their natural environmente4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Terminalia superba Plants”
e4“This developmental pattern ended in a characteristic and particular stratified branch system in young Terminalia superba, comparable to the system shown by adult plants in their natural environment”