Claim · model-written summary
After five weeks gibberellic acid yielded fewer shoots per tuber than the control.
- Taxon
- Cyperus esculentut0
- Treatment
- Gibberellic acide1
- Outcome
- shoots per tubere0
- Direction
- fewere0
- Qualifier
- after 5 weekse0
- Comparator
- the controle0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValue
Verbatim
e0“after 5 weeks, fewer shoots per tuber had been produced than in the control.”
t0“Cyperus esculentu”
e1“Gibberellic acid”
Title
Factors Affecting Dormancy in Tubers of Cyperus esculentu
M. E. Tumbleson; Thor Kommedahl Botanical Gazette 1962. doi:10.1086/336148
Other claims from this paper (14)
- Association Tuber germination rose from 12% at fall harvest to 95% the following spring.
- Intervention effect Cold storage promoted tuber germination and shoot number.
- Intervention effect Cold-water washing promoted germination of freshly harvested tubers.
- Intervention effect Transverse cutting favored apical bud sprouting.
- Observation Basal tuber buds did not sprout whether severed or not.
- Intervention effect A 5% tuber extract reduced germinating tubers and shoots per tuber.
- Intervention effect Tuber extracts inhibited germination in six of eight crop seeds tested.
- Intervention effect Extract concentrations allowing alfalfa germination reduced root growth.
- Intervention effect Gibberellic acid initially stimulated tuber germination and shoot number.
- Intervention effect Shoot dry weight increased with gibberellic acid concentration.
- Observation The tuber extract was heat stable, nonvolatile, water soluble and dialyzable.
- Observation The tuber extract was not adsorbed on charcoal or ion-exchange resins.
- Method / resource Chromatography gave Rf 0.8 to 1 with butanol: ethanol:water.
- Method / resource Chromatography gave Rf 0.9 to 1 with butanol:acetic acid:water.