Abstract
Sensitivity of Phaseolus vulgaris to NaCl was much lower in cell suspension than in whole plant cultures. At levels of −4 bars, growth (dry weight accumulation) was decreased by about 40% during the first 9 days. Growth of whole plants was decreased 70% by −2 bars NaCl. There was a small but not statistically significant stimulation of cell culture growth at levels of NaCl between −0.5 and −1.0 bars. (These values are in addition to the −3.5 bars of the standard culture solution itself.)Growth of cells in the control medium stopped at the end of 10 days but continued in the salinized cultures, reaching the level of the controls at about day 13. After six passages in saline medium, there was no evidence of increased tolerance to salt. Sensitivity increased, although subsequent growth in nonsaline medium was not affected.This system was used for assaying the effect of various antioxidants, vitamins, hormones, and amino acids on salt damage at the cellular level. At the concentrations assayed, these materials had either no effect or were toxic.
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Claims 9
Claim · model-written summary
Bean cell suspensions were less salt-sensitive than whole plants.
- Taxon
- Phaseolus vulgaris
Phaseolus vulgarise0 - Treatment
- NaCle0
- Outcome
- Sensitivitye0
- Direction
- much lowere0
- Comparator
- whole plant culturese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sensitivity of Phaseolus vulgaris to NaCl was much lower in cell suspension than in whole plant cultures”
Claim · model-written summary
At −4 bars, cell growth fell about 40% during the first nine days.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- −4 barse0
- Outcome
- growth (dry weight accumulation)e0
- Direction
- decreasede0
- Value
- about 40%e0
- Qualifier
- during the first 9 dayse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At levels of −4 bars, growth (dry weight accumulation) was decreased by about 40% during the first 9 days”
t0“Sensitivity of Phaseolus vulgaris”
Claim · model-written summary
At −2 bars NaCl, whole-plant growth fell 70%.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- −2 bars NaCle0
- Outcome
- Growth of whole plantse0
- Direction
- decreasede0
- Value
- 70%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth of whole plants was decreased 70% by −2 bars NaCl”
t0“Sensitivity of Phaseolus vulgaris”
Claim · model-written summary
Between −0.5 and −1.0 bars NaCl, cell growth stimulation was not significant.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- NaCl between −0.5 and −1.0 barse0
- Outcome
- cell culture growthe0
- Direction
- stimulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was a small but not statistically significant stimulation of cell culture growth at levels of NaCl between −0.5 and −1.0 bars”
t0“Sensitivity of Phaseolus vulgaris”
Claim · model-written summary
Control cell growth stopped after ten days while saline-culture growth continued and matched controls near day 13.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Outcome
- Growth of cellse0
- Direction
- continuede0
- Qualifier
- at about day 13e0
- Comparator
- control mediume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth of cells in the control medium stopped at the end of 10 days but continued in the salinized cultures, reaching the level of the controls at about day 13”
t0“Sensitivity of Phaseolus vulgaris”
Claim · model-written summary
Six saline passages did not increase salt tolerance.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- six passages in saline mediume0
- Outcome
- tolerance to salte0
- Direction
- no evidence of increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After six passages in saline medium, there was no evidence of increased tolerance to salt”
t0“Sensitivity of Phaseolus vulgaris”
Claim · model-written summary
Salt sensitivity increased after passages.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Outcome
- Sensitivitye0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sensitivity increased, although subsequent growth in nonsaline medium was not affected”
t0“Sensitivity of Phaseolus vulgaris”
Claim · model-written summary
Subsequent nonsaline growth was unaffected.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Outcome
- growth in nonsaline mediume0
- Direction
- not affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“subsequent growth in nonsaline medium was not affected”
t0“Sensitivity of Phaseolus vulgaris”
Claim · model-written summary
Assayed antioxidants, vitamins, hormones and amino acids were ineffective or toxic against salt damage.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- these materialse0
- Outcome
- no effect or were toxice0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the concentrations assayed, these materials had either no effect or were toxic”
t0“Sensitivity of Phaseolus vulgaris”
The same questions in other papers
sodium chloride · growth · Phaseolus vulgaris (common bean)Results differ
4 papers in the same direction as this paper · 38 in the opposite direction
- negative
- negative
- negative
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See all 43 papers →salinity · disease · Phaseolus vulgaris (common bean)Positive and negative results
2 papers in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
1 paper more in this group
See all 5 papers →in vitro · disease · Phaseolus vulgaris (common bean)Results agree
1 paper in the same direction as this paper
- negative
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.