Claim · model-written summary
The relation between refractive index and osmotic pressure of cell sap changes during ontogenesis.
- Taxon
- seven plant speciese2
- Organ / stage
- the course of ontogenesise1
- Outcome
- relation of refractive index and osmotic pressuree1
- Direction
- changese1
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValueQualifier
Verbatim
e1“The quantitative composition of osmotically active components of cell sap changes in the course of ontogenesis and as a result the relation of refractive index and osmotic pressure also changes.”
e2“Parallel measurements of the osmotic pressure (cryoscopic method) and the refractive index of cell sap were carried out on 246 samples from seven plant species.”
Title
The relation of the refractive index of plant cell sap to its osmotic pressure
Bohdan Slavík Biologia Plantarum 1959. doi:10.1007/bf02927038
Other claims from this paper (5)
- Method / resource The relation between refractive index and osmotic pressure differs between model solutions of different substances.
- Method / resource A reliable and roughly linear relation between refractive index and osmotic pressure holds only for a limited period in the ontogenesis of the experimental plant.
- Method / resource Osmotic pressure of cell sap can be determined from refractive index for the experimental plant over a limited ontogenetic period, given a correlation graph built for that plant.
- Method / resource Determining osmotic pressure from refractive index needs only a small sap volume of 0-02 ml.
- Observation The quantitative composition of osmotically active components of cell sap changes in the course of ontogenesis.