Abstract
The objective of the study was to identify salt-tolerant sesame genotypes suitable for moderately saline condition. Eighty-six of sesame accessions were evaluated at a salinity level of 7.5 dS/m and six genotypes (BD-6980, BD-7009, BD-7011, BD-6994, BD-6983, and BD-6999) with higher germination rates advanced to flowering and harvesting stages. Physiological, biochemical, and yield performances were assessed. Results revealed that salt stress gradually raises intercellular CO2 because it lowers transpiration rate and stomatal conductance, both of which lead to a drop in sesame plant photosynthesis. Salinity also disrupted plant water relations, reducing relative water content (RWC%) and increasing water saturation deficit (WSD%), while lowering leaf chlorophyll content. On the other hand, osmoprotectants such as proline accumulation rise in response to salt stress, enhancing sesame tolerance to salinity. Different genotypes showed variations in physiological, biochemical, and yield properties. Notably, BD-7011 emerged as the most salt-tolerant genotype. Further testing of this BD-7011 genotype to serve as donor parents for sesame crop improvement initiatives aimed at to improve salt tolerance and develop resilient sesame varieties.
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Claims 12
Claim · model-written summary
Six genotypes with higher germination rates advanced to later stages.
- Taxon
- sesame
Sesamum indicumt0 - Material
- BD-6980, BD-7009, BD-7011, BD-6994, BD-6983, and BD-6999e0
- Outcome
- higher germination ratese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“six genotypes (BD-6980, BD-7009, BD-7011, BD-6994, BD-6983, and BD-6999) with higher germination rates advanced to flowering and harvesting stages”
t0“sesame”
Claim · model-written summary
Salt stress raised intercellular CO2.
- Taxon
- sesameSesamum indicumt0
- Treatment
- salt stresse0
- Outcome
- intercellular CO2e0
- Direction
- raisese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt stress gradually raises intercellular CO2”
t0“sesame”
Claim · model-written summary
Salt stress lowered transpiration rate and stomatal conductance.
- Taxon
- sesameSesamum indicumt0
- Outcome
- transpiration rate and stomatal conductancee0
- Direction
- lowerse0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it lowers transpiration rate and stomatal conductance”
t0“sesame”
Claim · model-written summary
Salt stress reduced sesame photosynthesis.
- Taxon
- sesameSesamum indicumt0
- Outcome
- sesame plant photosynthesise0
- Direction
- drope0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a drop in sesame plant photosynthesis”
t0“sesame”
Claim · model-written summary
Salinity reduced relative water content.
- Taxon
- sesameSesamum indicumt0
- Treatment
- Salinitye0
- Outcome
- relative water content (RWC%)e0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity also disrupted plant water relations, reducing relative water content (RWC%)”
t0“sesame”
Claim · model-written summary
Salinity increased water saturation deficit.
- Taxon
- sesameSesamum indicumt0
- Outcome
- water saturation deficit (WSD%)e0
- Direction
- increasinge0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing water saturation deficit (WSD%)”
t0“sesame”
Claim · model-written summary
Salinity lowered leaf chlorophyll content.
- Taxon
- sesameSesamum indicumt0
- Outcome
- leaf chlorophyll contente0
- Direction
- loweringe0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while lowering leaf chlorophyll content”
t0“sesame”
Claim · model-written summary
Proline accumulation rose in response to salt stress.
- Taxon
- sesameSesamum indicumt0
- Treatment
- salt stresse0
- Outcome
- proline accumulatione0
- Direction
- risee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“proline accumulation rise in response to salt stress”
t0“sesame”
Claim · model-written summary
The authors interpret proline accumulation as enhancing sesame salinity tolerance.
- Taxon
- sesameSesamum indicume0
- Compound
- prolinee0
- Outcome
- sesame tolerance to salinitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“proline accumulation rise in response to salt stress, enhancing sesame tolerance to salinity”
Claim · model-written summary
Genotypes varied in physiological, biochemical, and yield properties.
- Taxon
- sesameSesamum indicumt0
- Outcome
- variations in physiological, biochemical, and yield propertiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different genotypes showed variations in physiological, biochemical, and yield properties”
t0“sesame”
Claim · model-written summary
BD-7011 was the most salt tolerant genotype.
- Taxon
- sesameSesamum indicumt0
- Material
- BD-7011e0
- Outcome
- most salt-tolerant genotypee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BD-7011 emerged as the most salt-tolerant genotype”
t0“sesame”
Claim · model-written summary
The authors recommend further testing BD-7011 as a donor parent for salt tolerance improvement.
- Taxon
- sesameSesamum indicume0
- Material
- BD-7011e0
- Outcome
- Further testing of this BD-7011 genotype to serve as donor parentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Further testing of this BD-7011 genotype to serve as donor parents for sesame crop improvement initiatives aimed at to improve salt tolerance and develop resilient sesame varieties”
The same questions in other papers
salinity · physiology: osmolytes · Sesamum indicum (sesame)Positive and negative results
1 in the opposite direction
- negative
salinity · physiology: gas exchange · Sesamum indicum (sesame)Results agree
3 papers in the same direction as this paper
- negative
- negative
- 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.