Claim · model-written summary
The authors infer that calcium may be required for auxin to regulate growth.
Not reportedMaterialGeneOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“seedlings of Zea mays L.”
e1“Ca2+ may be necessary to the growth-regulating action of auxin”
Title
Calcium Dependence of Rapid Auxin Action in Maize Roots
Karl-Heinz Hasenstein; Michael L. Evans PLANT PHYSIOLOGY 1986. doi:10.1104/pp.81.2.439
Other claims from this paper (6)
- Intervention effect Auxin at 0.1 to 10 micromolar strongly inhibited root elongation in high-calcium seedlings.
- Intervention effect Auxin at 0.1 to 10 micromolar strongly inhibited root elongation in intermediate-calcium seedlings.
- Intervention effect Auxin up to 10 micromolar caused only slight root elongation inhibition in low-calcium seedlings.
- Intervention effect Adding calcium to low-calcium roots in IAA restored normal auxin inhibition of elongation.
- Intervention effect EGTA treatment reversed indoleacetic-acid inhibition of root elongation in intermediate-calcium seedlings.
- Intervention effect Supplying calcium re-established auxin inhibition after EGTA reversal.