Abstract
The effect of replacing 50% or 95% of the potassium by sodium on growth and on potassium and sodium levels in three genotypes of sugar beet (MONOHILL; ADA; FIA) has been studied in water culture over a period from 2 to 9 weeks. In all three genotypes there was a preferential uptake of potassium compared to sodium. Nevertheless, at high sodium supply most of the potassium was replaced by sodium, particularly in the leaves. At the same supply the accumulation of sodium in the leaves increased in the following order: ADA < MONOHILL < FIA. Even with high dominance of sodium in the medium, the youngest leaves of FIA held about 0.5 mmol potassium per g dry matter, and potassium was evidently translocated from old leaves to the new growth. Effects of sodium on growth became more important with time. After 9 weeks, 50% replacement of potassium by sodium increased growth of all plant organs of the three genotypes. Replacing 95% of potassium by sodium depressed growth of the storage root in MONOHILL and particularly in ADA, with simultaneous enhancement of leaf growth in the latter. In FIA, however, this treatment further stimulated both leaf and, particularly, storage root growth. Sodium in comparison with potassium increased the sucrose concentration in leaves and storage roots. The highest sucrose concentration in the storage roots of ADA and FIA was obtained in the treatment with 95% sodium. The results demonstrate pronounced genotypic differences in sugar beet with respect to the response to sodium. FIA has the most natrophilic behaviour and might be a promising genotype for breeding programmes for adaptation of sugar beet plants to soils high in sodium.
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Claims 17
Claim · model-written summary
All three genotypes preferentially took up potassium over sodium.
- Taxon
- sugar beet plants
Beta vulgaris subsp. vulgarist0 - Outcome
- uptake of potassiume0
- Direction
- preferentiale0
- Comparator
- sodiume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In all three genotypes there was a preferential uptake of potassium compared to sodium”
t0“sugar beet plants”
Claim · model-written summary
High sodium supply replaced most potassium, particularly in leaves.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Organ / stage
- leavese0
- Treatment
- high sodium supplye0
- Outcome
- potassiume0
- Direction
- replacede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at high sodium supply most of the potassium was replaced by sodium, particularly in the leaves”
t0“sugar beet plants”
Claim · model-written summary
Leaf sodium accumulation ranked ADA below MONOHILL below FIA.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Material
- ADA < MONOHILL < FIAe0
- Outcome
- accumulation of sodium in the leavese0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the accumulation of sodium in the leaves increased in the following order: ADA < MONOHILL < FIA”
t0“sugar beet plants”
Claim · model-written summary
Youngest FIA leaves retained about 0.5 mmol potassium per g dry matter under sodium dominance.
Verbatim
e0“the youngest leaves of FIA held about 0.5 mmol potassium per g dry matter”
e1“Even with high dominance of sodium in the medium”
Claim · model-written summary
Potassium was apparently translocated from old leaves to new growth.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Organ / stage
- old leavese0
- Outcome
- translocated from old leaves to the new growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“potassium was evidently translocated from old leaves to the new growth”
t0“sugar beet plants”
Claim · model-written summary
Sodium effects on growth strengthened over time.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Treatment
- sodiume0
- Outcome
- growthe0
- Direction
- more importante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Effects of sodium on growth became more important with time”
t0“sugar beet plants”
Claim · model-written summary
At nine weeks, 50% sodium replacement increased growth of all organs in all three genotypes.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Treatment
- 50% replacement of potassium by sodiume0
- Outcome
- growth of all plant organse0
- Direction
- increasede0
- Qualifier
- After 9 weekse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 9 weeks, 50% replacement of potassium by sodium increased growth of all plant organs of the three genotypes”
t0“sugar beet plants”
Claim · model-written summary
95% replacement depressed MONOHILL storage-root growth.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Material
- MONOHILLe0
- Treatment
- Replacing 95% of potassium by sodiume0
- Outcome
- growth of the storage roote0
- Direction
- depressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Replacing 95% of potassium by sodium depressed growth of the storage root in MONOHILL and particularly in ADA”
t0“sugar beet plants”
Claim · model-written summary
95% replacement particularly depressed ADA storage-root growth.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Material
- ADAe0
- Treatment
- Replacing 95% of potassium by sodiume0
- Outcome
- growth of the storage roote0
- Direction
- depressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Replacing 95% of potassium by sodium depressed growth of the storage root in MONOHILL and particularly in ADA”
t0“sugar beet plants”
Claim · model-written summary
95% replacement enhanced ADA leaf growth.
- Material
- ADAe1
- Treatment
- Replacing 95% of potassium by sodiume2
- Outcome
- leaf growthe0
- Direction
- enhancemente0
BrassiaNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with simultaneous enhancement of leaf growth in the latter”
e1“particularly in ADA”
e2“Replacing 95% of potassium by sodium”
Claim · model-written summary
95% replacement further stimulated FIA leaf growth.
- Taxon
- FIAe0
- Material
- FIAe0
- Treatment
- Replacing 95% of potassium by sodiume1
- Outcome
- leafe0
- Direction
- stimulatede0
Not reportedComparator
Verbatim
e0“In FIA, however, this treatment further stimulated both leaf and, particularly, storage root growth”
e1“Replacing 95% of potassium by sodium”
Claim · model-written summary
95% replacement particularly stimulated FIA storage-root growth.
- Taxon
- FIAe0
- Material
- FIAe0
- Treatment
- Replacing 95% of potassium by sodiume1
- Outcome
- storage root growthe0
- Direction
- stimulatede0
Not reportedComparator
Verbatim
e0“In FIA, however, this treatment further stimulated both leaf and, particularly, storage root growth”
e1“Replacing 95% of potassium by sodium”
Claim · model-written summary
Sodium increased sucrose concentration in leaves and storage roots relative to potassium.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Treatment
- Sodiume0
- Outcome
- sucrose concentration in leaves and storage rootse0
- Direction
- increasede0
- Comparator
- potassiume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sodium in comparison with potassium increased the sucrose concentration in leaves and storage roots”
t0“sugar beet plants”
Claim · model-written summary
95% sodium gave the highest storage-root sucrose concentration in ADA.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Material
- ADAe0
- Treatment
- 95% sodiume0
- Outcome
- sucrose concentration in the storage rootse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest sucrose concentration in the storage roots of ADA and FIA was obtained in the treatment with 95% sodium”
t0“sugar beet plants”
Claim · model-written summary
95% sodium gave the highest storage-root sucrose concentration in FIA.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Material
- FIAe0
- Treatment
- 95% sodiume0
- Outcome
- sucrose concentration in the storage rootse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest sucrose concentration in the storage roots of ADA and FIA was obtained in the treatment with 95% sodium”
t0“sugar beet plants”
Claim · model-written summary
FIA was identified as the most natrophilic genotype.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarist0
- Material
- FIAe0
- Outcome
- most natrophilic behavioure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FIA has the most natrophilic behaviour”
t0“sugar beet plants”
Claim · model-written summary
FIA may be promising for breeding sugar beet adapted to high-sodium soils.
- Taxon
- sugar beet plantsBeta vulgaris subsp. vulgarise0
- Material
- FIAe0
- Outcome
- promising genotype for breeding programmes for adaptation of sugar beet plants to soils high in sodiume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FIA has the most natrophilic behaviour and might be a promising genotype for breeding programmes for adaptation of sugar beet plants to soils high in sodium”
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See all 40 papers →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.