Abstract
Abstract. Three parameters influencing the capacity for carbon accumulation, i.e. photosynthesis, respiration, and leaf extension growth, were studied in Beta vulgaris L. (sugar beet) cultured in nutrient solution containing 0.5 to 500 mol m −3 NaCl. Leaf extension growth was the parameter most sensitive to salinity: the initial rate of leaf extension and final leaf length each declined linearly with increase in external NaCl concentration. Photosynthetic O 2 evolution of thin leaf slices did not decline until salinity levels reached 350 to 500 mol m −3 NaCl, while respiratory O 2 consumption was not affected by salinity throughout the range. The results suggest that the influence of salinity on the capacity for carbon accumulation in B. vulgaris occurs primarily through reduction in the area of photosynthetic surface.
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Claims 5
Claim · model-written summary
Leaf extension growth was the parameter most sensitive to salinity in sugar beet.
- Taxon
- Beta vulgaris
Beta vulgarise0 - Treatment
- salinitye1
- Outcome
- Leaf extension growthe1
- Direction
- most sensitivee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three parameters influencing the capacity for carbon accumulation, i.e. photosynthesis, respiration, and leaf extension growth, were studied in Beta vulgaris L. (sugar beet) cultured in nutrient solution containing 0.5 to 500 mol m −3 NaCl”
e1“Leaf extension growth was the parameter most sensitive to salinity”
Claim · model-written summary
The initial rate of leaf extension and final leaf length each declined linearly with increasing external NaCl concentration.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- external NaCl concentratione2
- Outcome
- initial rate of leaf extension and final leaf lengthe2
- Direction
- declined linearlye2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three parameters influencing the capacity for carbon accumulation, i.e. photosynthesis, respiration, and leaf extension growth, were studied in Beta vulgaris L. (sugar beet) cultured in nutrient solution containing 0.5 to 500 mol m −3 NaCl”
e2“the initial rate of leaf extension and final leaf length each declined linearly with increase in external NaCl concentration”
Claim · model-written summary
Photosynthetic O2 evolution of thin leaf slices did not decline until NaCl levels reached 350 to 500 mol m −3.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- salinity levelse3
- Outcome
- Photosynthetic O 2 evolution of thin leaf slicese3
- Direction
- did not declinee3
- Value
- 350 to 500 mol m −3 NaCle3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three parameters influencing the capacity for carbon accumulation, i.e. photosynthesis, respiration, and leaf extension growth, were studied in Beta vulgaris L. (sugar beet) cultured in nutrient solution containing 0.5 to 500 mol m −3 NaCl”
e3“Photosynthetic O 2 evolution of thin leaf slices did not decline until salinity levels reached 350 to 500 mol m −3 NaCl”
Claim · model-written summary
Respiratory O2 consumption of sugar beet was not affected by salinity across the tested range.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- salinitye4
- Outcome
- respiratory O 2 consumptione4
- Direction
- not affectede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three parameters influencing the capacity for carbon accumulation, i.e. photosynthesis, respiration, and leaf extension growth, were studied in Beta vulgaris L. (sugar beet) cultured in nutrient solution containing 0.5 to 500 mol m −3 NaCl”
e4“while respiratory O 2 consumption was not affected by salinity throughout the range”
Claim · model-written summary
Salinity appears to reduce carbon accumulation in sugar beet mainly through a reduced photosynthetic leaf area.
- Taxon
- B. vulgarisBeta vulgarise5
- Treatment
- salinitye5
- Outcome
- capacity for carbon accumulatione5
- Qualifier
- reduction in the area of photosynthetic surfacee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three parameters influencing the capacity for carbon accumulation, i.e. photosynthesis, respiration, and leaf extension growth, were studied in Beta vulgaris L. (sugar beet) cultured in nutrient solution containing 0.5 to 500 mol m −3 NaCl”
e5“The results suggest that the influence of salinity on the capacity for carbon accumulation in B. vulgaris occurs primarily through reduction in the area of photosynthetic surface”
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