Abstract
BACKGROUND: Salt stress is a prominent abiotic stressor that imposes constraints on grain yield and quality across various crops, including wheat (Triticum aestivum). This study focused on assessing the genetic diversity of 20 wheat genotypes categorized as tolerant, moderately tolerant, and sensitive with three genotypes of unknown tolerance. To address salinity stress-related problems, different morpho-physiological, osmoprotectant, biochemical, yield, and grain quality-related parameters were analyzed under control (pH 8.0, EC 3.9) and saline-sodic (pH 9.4, EC 4.02) conditions in field. RESULTS: content were observed in response to salt stress in the sensitive varieties HD1941 and K9162. Proline, a stress indicator, exhibited significantly (p ≤ 0.05) greater accumulation in response to salinity stress, particularly in the tolerant cultivars KRL210 and KH65. Salt stress induced the most significant decrease (p ≤ 0.05) in spike length, thousand-grain weight, and hectolitre weight coupled with increased protein content in sensitive varieties, resulting in diminished yield. CONCLUSION: contents can be used as the most efficient screening criteria for salinity stress during early developmental stages. Principal component analysis revealed that DBW187, DBW303, and DBW222 varieties were tolerant to salinity stress and exhibited an effective antioxidant system against salinity. This study will facilitate salt-tolerant wheat breeding in terms of the identification of tolerant lines by screening for limited traits in a wide range of germplasms.
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Claims 5
Claim · model-written summary
Proline accumulated more under salinity, especially in tolerant KRL210 and KH65.
- Taxon
- wheat
Triticum aestivume1 - Material
- KRL210 and KH65e0
- Treatment
- salinity stresse0
- Outcome
- Prolinee0
- Direction
- greater accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proline, a stress indicator, exhibited significantly (p ≤ 0.05) greater accumulation in response to salinity stress, particularly in the tolerant cultivars KRL210 and KH65.”
e1“wheat (Triticum aestivum)”
Claim · model-written summary
Salt stress decreased spike length, thousand-grain weight and hectolitre weight in sensitive varieties.
- Taxon
- wheatTriticum aestivume1
- Material
- sensitive varietiese0
- Treatment
- Salt stresse0
- Outcome
- spike length, thousand-grain weight, and hectolitre weighte0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress induced the most significant decrease (p ≤ 0.05) in spike length, thousand-grain weight, and hectolitre weight coupled with increased protein content in sensitive varieties, resulting in diminished yield.”
e1“wheat (Triticum aestivum)”
Claim · model-written summary
Salt stress increased protein content in sensitive varieties.
- Taxon
- wheatTriticum aestivume1
- Material
- sensitive varietiese0
- Treatment
- Salt stresse0
- Outcome
- protein contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress induced the most significant decrease (p ≤ 0.05) in spike length, thousand-grain weight, and hectolitre weight coupled with increased protein content in sensitive varieties, resulting in diminished yield.”
e1“wheat (Triticum aestivum)”
Claim · model-written summary
Salt stress diminished yield in sensitive varieties.
- Taxon
- wheatTriticum aestivume1
- Material
- sensitive varietiese0
- Treatment
- Salt stresse0
- Outcome
- yielde0
- Direction
- diminishede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress induced the most significant decrease (p ≤ 0.05) in spike length, thousand-grain weight, and hectolitre weight coupled with increased protein content in sensitive varieties, resulting in diminished yield.”
e1“wheat (Triticum aestivum)”
Claim · model-written summary
Principal component analysis classified DBW187, DBW303 and DBW222 as salinity tolerant with effective antioxidant systems.
- Taxon
- wheatTriticum aestivume1
- Material
- DBW187, DBW303, and DBW222e0
- Outcome
- tolerant to salinity stress and exhibited an effective antioxidant systeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Principal component analysis revealed that DBW187, DBW303, and DBW222 varieties were tolerant to salinity stress and exhibited an effective antioxidant system against salinity.”
e1“wheat (Triticum aestivum)”
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