Abstract
Abstract Soil salinity is one of the major constraints to crop production worldwide. The multifaceted nature of salinity tolerance traits complicates plant screening and the identification of salt‐tolerant germplasm to be used for the genetic advancement of corps. Many screening criteria have been suggested to distinguish between genotypes. Most of these were applied under controlled environmental conditions and limited to one developmental stage of plants. As a result, most of the reported tolerance could not be validated under field conditions. This study employed a membership function value (MFV) to assess NaCl tolerance of eight wheat ( Triticum aestivum ) genotypes measured at germination, vegetative and reproductive stages, as an integrative tool for the overall plant performance. Salt stresses had an adverse effect on plant physiological (residual transpiration, stomatal density, chlorophyll fluorescence characteristics; leaf N, Na + and K + content) and agronomical (plant height; biomass; root and tiller number; grain) characteristics. Based on this assessment, plants were divided into three contrasting groups: salt tolerant, moderately salt tolerant and salt sensitive. Although genotypes did not show the same degree of tolerance in germination, glasshouse and field experiments, the variety Yu‐07 showed consistently better performance in all trials, whilst Aus19720 was most sensitive in glasshouse and field experiments. These contrasting genotypes could be of a potential value for further studies to uncover the genetic mechanisms governing salt stress response in wheat.
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Claims 8
Claim · model-written summary
Salt stress adversely affected transpiration, stomatal density, and chlorophyll fluorescence.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Salt stressese0
- Outcome
- residual transpiration, stomatal density, chlorophyll fluorescence characteristicse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stresses had an adverse effect on plant physiological (residual transpiration, stomatal density, chlorophyll fluorescence characteristics; leaf N, Na + and K + content)”
t0“wheat”
Claim · model-written summary
Salt stress adversely affected leaf N, Na, and K content.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Salt stressese0
- Outcome
- leaf N, Na + and K + contente0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stresses had an adverse effect on plant physiological (residual transpiration, stomatal density, chlorophyll fluorescence characteristics; leaf N, Na + and K + content)”
t0“wheat”
Claim · model-written summary
Salt stress adversely affected height, biomass, roots, and tillers.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Salt stressese0
- Outcome
- plant height; biomass; root and tiller numbere0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stresses had an adverse effect on plant physiological (residual transpiration, stomatal density, chlorophyll fluorescence characteristics; leaf N, Na + and K + content) and agronomical (plant height; biomass; root and tiller number; grain) characteristics”
t0“wheat”
Claim · model-written summary
Salt stress adversely affected grain traits.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Salt stressese0
- Outcome
- graine0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stresses had an adverse effect on plant physiological (residual transpiration, stomatal density, chlorophyll fluorescence characteristics; leaf N, Na + and K + content) and agronomical (plant height; biomass; root and tiller number; grain) characteristics”
t0“wheat”
Claim · model-written summary
MFV classified wheat genotypes into tolerant, moderately tolerant, and sensitive groups.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- three contrasting groups: salt tolerant, moderately salt tolerant and salt sensitivee0
- Value
- threee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plants were divided into three contrasting groups: salt tolerant, moderately salt tolerant and salt sensitive”
t0“wheat”
Claim · model-written summary
Genotype tolerance varied among germination, glasshouse, and field tests.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- degree of tolerancee0
- Setting
- glasshouse and field experimentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“genotypes did not show the same degree of tolerance in germination, glasshouse and field experiments”
t0“wheat”
Claim · model-written summary
Yu-07 performed consistently better across all trials.
- Taxon
- wheatTriticum aestivumt0
- Material
- Yu‐07e0
- Outcome
- better performancee0
- Direction
- bettere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the variety Yu‐07 showed consistently better performance in all trials”
t0“wheat”
Claim · model-written summary
Aus19720 was most salt sensitive in glasshouse and field experiments.
- Taxon
- wheatTriticum aestivumt0
- Material
- Aus19720e0
- Outcome
- most sensitivee0
- Direction
- most sensitivee0
- Setting
- glasshouse and field experimentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aus19720 was most sensitive in glasshouse and field experiments”
t0“wheat”
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