Claim · model-written summary
GA enhanced main axis growth at low sucrose.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- gibberellic acid (GA)e0
- Outcome
- main axis growthe0
- Direction
- enhancee0
- Qualifier
- sucrose at concentrations below 1 per cente0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“gibberellic acid (GA) and 1-naphthalene-acetic acid (NAA) enhance the main axis growth of excised tomato roots grown in culture media containing sucrose at concentrations below 1 per cent”
Title
The Effects of Gibberellins on the Growth of Excised Tomato Roots
D. N. BUTCHER; H. E. STREET Journal of Experimental Botany 1960. doi:10.1093/jxb/11.2.206
Other claims from this paper (17)
- Intervention effect NAA enhanced main axis growth at low sucrose.
- Intervention effect GA enhanced lateral root extension at all tested sucrose concentrations.
- Intervention effect NAA enhanced lateral root extension only at lower sucrose concentrations.
- Intervention effect GA increased emergent lateral root number, particularly at low sucrose.
- Intervention effect NAA increased emergent lateral root number, particularly at low sucrose.
- Intervention effect Higher GA concentrations inhibited root growth.
- Intervention effect Higher NAA concentrations inhibited root growth.
- Observation NAA growth responses spanned a narrower concentration range than GA.
- Intervention effect GA accelerated loss of meristematic activity during repeated subculture.
- Intervention effect NAA accelerated loss of meristematic activity during repeated subculture.
- Mechanism GA promotion of main axis growth involved enhanced cell elongation and division.
- Mechanism NAA promotion of main axis growth involved enhanced cell elongation and division.
- Intervention effect Moderately inhibitory GA reduced cell elongation and division.
- Observation NAA did not share the cell elongation and division reduction at a moderately inhibitory concentration.
- Observation Gibberellins A1, A2, and A4 resembled GA in growth effects.
- Intervention effect Allogibberic acid promoted lateral root extension.
- Intervention effect Allogibberic acid inhibited root growth at a lower concentration than GA.