Abstract
The influence of K nutrition (25, 75, 150, 300, 450, and 600 mg K/liter) and moisture stress conditioning (MSC) (exposing plants to four sublethal dry-down cycles) on leaf water relations, evapotranspiration, growth, and nutrient content was determined for salvia (Salvia splendens F. Sellow `Bonfire'). Potassium concentration and MSC had an interactive influence on osmotic potential at full (π 100 ) and zero (π 0 ) turgor. Differences in osmotic potential between MSC and non-MSC plants for π 100 and π 0 increased with increasing K concentration. Increasing K concentration and MSC resulted in active osmotic adjustment and, consequently, increased cellular turgor potentials. Foliar K content increased with increasing K concentration and MSC. High K concentrations and MSC both reduced plant evapotranspiration on a per-plant and per-unit-leaf-area basis. Greatest shoot dry weight occurred for plants grown with 300 mg K/liter and non-MSC. Total leaf area increased with increasing K concentration, but MSC had little effect.
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Claims 9
Claim · model-written summary
Potassium and moisture stress conditioning interacted in their effects on osmotic potential at full and zero turgor.
- Taxon
- Salvia splendens
Salvia splendenst0 - Treatment
- Potassium concentration and MSCe0
- Outcome
- osmotic potential at full (π 100 ) and zero (π 0 ) turgore0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potassium concentration and MSC had an interactive influence on osmotic potential at full (π 100 ) and zero (π 0 ) turgor.”
t0“Salvia splendens”
Claim · model-written summary
Osmotic potential differences between conditioned and unconditioned plants increased with potassium concentration.
- Taxon
- Salvia splendensSalvia splendenst0
- Treatment
- increasing K concentratione0
- Outcome
- Differences in osmotic potential between MSC and non-MSC plants for π 100 and π 0e0
- Direction
- increasede0
- Comparator
- non-MSC plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Differences in osmotic potential between MSC and non-MSC plants for π 100 and π 0 increased with increasing K concentration.”
t0“Salvia splendens”
Claim · model-written summary
Increasing potassium and conditioning resulted in active osmotic adjustment.
- Taxon
- Salvia splendensSalvia splendenst0
- Treatment
- Increasing K concentration and MSCe0
- Outcome
- active osmotic adjustmente0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing K concentration and MSC resulted in active osmotic adjustment and, consequently, increased cellular turgor potentials.”
t0“Salvia splendens”
Claim · model-written summary
Increasing potassium and conditioning increased cellular turgor potentials.
- Taxon
- Salvia splendensSalvia splendenst0
- Treatment
- Increasing K concentration and MSCe0
- Outcome
- cellular turgor potentialse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing K concentration and MSC resulted in active osmotic adjustment and, consequently, increased cellular turgor potentials.”
t0“Salvia splendens”
Claim · model-written summary
Foliar potassium content increased with potassium concentration and conditioning.
- Taxon
- Salvia splendensSalvia splendenst0
- Treatment
- increasing K concentration and MSCe0
- Outcome
- Foliar K contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar K content increased with increasing K concentration and MSC.”
t0“Salvia splendens”
Claim · model-written summary
High potassium and conditioning reduced evapotranspiration per plant and leaf area.
- Taxon
- Salvia splendensSalvia splendenst0
- Treatment
- High K concentrations and MSCe0
- Outcome
- plant evapotranspiration on a per-plant and per-unit-leaf-area basise0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High K concentrations and MSC both reduced plant evapotranspiration on a per-plant and per-unit-leaf-area basis.”
t0“Salvia splendens”
Claim · model-written summary
Shoot dry weight was greatest at 300 mg K/liter without conditioning.
- Taxon
- Salvia splendensSalvia splendenst0
- Treatment
- 300 mg K/liter and non-MSCe0
- Outcome
- shoot dry weighte0
- Direction
- Greateste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Greatest shoot dry weight occurred for plants grown with 300 mg K/liter and non-MSC.”
t0“Salvia splendens”
Claim · model-written summary
Total leaf area increased with potassium concentration.
- Taxon
- Salvia splendensSalvia splendenst0
- Treatment
- increasing K concentratione0
- Outcome
- Total leaf areae0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total leaf area increased with increasing K concentration, but MSC had little effect.”
t0“Salvia splendens”
Claim · model-written summary
Conditioning had little effect on total leaf area.
- Taxon
- Salvia splendensSalvia splendenst0
- Treatment
- MSCe0
- Outcome
- Total leaf areae0
- Direction
- little effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total leaf area increased with increasing K concentration, but MSC had little effect.”
t0“Salvia splendens”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.