Claim · model-written summary
At 8.2 and 14.2 dS m−1, Limousine had higher leaf water and osmotic potentials than Kenblue.
- Taxon
- Kentucky bluegrass
.jpg?width=60)
Poa pratensise0 - Material
- Limousinee5
- Treatment
- 8.2 and 14.2 dS m −1e5
- Outcome
- leaf water and osmotic potentialse5
- Direction
- highere5
- Comparator
- Kenbluee2
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Little information is available concerning physiological responses of Kentucky bluegrass ( Poa pratensis L.) (KBG) cultivars to salinity”
e2“salinity levels that caused 25% shoot growth reduction were 3.2 dS m −1 for Kenblue and 4.7 dS m −1 for Limousine”
e5“Water relations diverged between cultivars at 8.2 and 14.2 dS m −1 , as Limousine had higher leaf water and osmotic potentials, as well as more positive turgor”
Title
Comparative Responses of Two Kentucky Bluegrass Cultivars to Salinity Stress
Y. L. Qian; S. J. Wilhelm; K. B. Marcum Crop Science 2001. doi:10.2135/cropsci2001.1895
Other claims from this paper (13)
- Observation Kenblue reached 25% shoot growth reduction at 3.2 dS m−1 salinity.
- Observation Limousine reached 25% shoot growth reduction at 4.7 dS m−1 salinity.
- Intervention effect Limousine showed less leaf firing than Kenblue at salinity levels above 5.2 dS m−1.
- Intervention effect Under moderate salinity (8.2 dS m−1), Limousine produced about 50% more root growth than Kenblue.
- Intervention effect At 8.2 and 14.2 dS m−1, Limousine had more positive turgor than Kenblue.
- Observation Glycinebetaine was not detected in either cultivar.
- Association Leaf proline increased with increasing salinity in Kentucky bluegrass.
- Mechanism Compatible solute accumulation is not a salinity tolerance mechanism of Kentucky bluegrass.
- Mechanism Salinity tolerance in Kentucky bluegrass is largely attributable to maintenance of higher root growth.
- Intervention effect Limousine maintained 52% lower shoot Na+ than Kenblue at the highest salinity level.
- Intervention effect Limousine maintained 30.4% lower shoot Cl− than Kenblue at the highest salinity level.
- Intervention effect Limousine had a 52% higher shoot K+/Na+ ratio than Kenblue at the highest salinity level.
- Recommendation The traits may serve as useful selection criteria in breeding efforts to develop salt-tolerant KBG.