Claim · model-written summary
Stem elongation coefficient was lower in the vegetative phase than flowering phase.
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingValueQualifier
Verbatim
e0“The rate coefficient of stem elongation was lower in the initial or vegetative phase than later”
t0“Marquis wheat”
Title
Growth kinetics of Marquis wheat. V. Morphogenic dependence
F. D. H. Macdowall Canadian Journal of Botany 1973. doi:10.1139/b73-158
Other claims from this paper (11)
- Observation Apex transition to flowering made vegetative organ growth rate coefficients biphasic.
- Association Stem elongation was temperature insensitive up to 20 °C in the vegetative phase.
- Association Stem elongation was temperature sensitive from 10 °C to 30 °C in flowering phase.
- Observation Plant, shoot and root dry weight growth coefficients were higher in the first phase.
- Association Plant, shoot and root growth coefficients increased with temperature to a maximum at 20 °C.
- Mechanism The authors attributed phase differences to lower stem autotrophy and initially limited stem growth.
- Association Greater stem growth during flowering was compensated by slower shoot growth.
- Observation Tillers grew most rapidly, with successive tillers growing more rapidly.
- Mechanism Tiller growth accounted for the previously observed dominant growth of stems plus sheaths.
- Observation The slope change implies higher maximal vegetative plant growth coefficients than earlier estimates.
- Observation Under optimal conditions whole-plant growth coefficient appears limited to about half an organ coefficient.