Abstract
Tomato is a worldwide significant vegetable crop mainly grown for its nutritional and nutraceutical value, but its productivity is severely constrained by soil salinity. This study aimed to evaluate the performance of 20 tomato genotypes with graded salinity (0–6 dS m −1 ) in both field and pot conditions. The experiment was conducted using a split-plot design with salinity levels as main plots and genotypes as subplots, replicated thrice over two growing seasons. Genotypic variations were apparent as PTNI-203, PTNI-202, and PTNI-8 exhibited better vegetative development, earlier flowering, larger fruit, and dense pericarp thickness under high salinity. Root fresh and dry weights were maximized in PTNI-11, PTNI-25, and PTNI-20, indicating good osmotic adjustment and salt-tolerant processes. Physiological and biochemical profiling further revealed substantial genotypic variation in osmolyte accumulation, pigment stability, and membrane integrity under saline conditions. These genotypes also recorded 30%–40% higher proline, 15%–20% higher protein content, and membrane stability indices above 85. The total yield was reduced gradually with the salinity, and the tolerant genotypes (PTNI-203, PTNI-8, and PTNI-202) maintained higher yield (524–540 q acre −1 ), representing 55%–65% higher productivity than susceptible genotypes under 6 dS m −1 . Rank analysis supported the fact that genotype was the major factor that determined growth and productivity traits with salinity imposing secondary inhibitory effects. This study provides practical insights into genotype-specific adaptation to salinity stress and identifies promising tomato lines for sustaining productivity and contributing to climate-resilient horticultural practices. The identified genotypes can serve as promising candidates for cultivation and breeding programs in salt-affected regions.
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Claims 14
Claim · model-written summary
Under high salinity, tomato genotypes PTNI-203, PTNI-202 and PTNI-8 showed better vegetative development.
- Taxon
- tomato
Solanum lycopersicumt0 - Material
- PTNI-203, PTNI-202, and PTNI-8e1
- Treatment
- high salinitye1
- Outcome
- vegetative developmente1
- Direction
- bettere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e1“Genotypic variations were apparent as PTNI-203, PTNI-202, and PTNI-8 exhibited better vegetative development, earlier flowering, larger fruit, and dense pericarp thickness under high salinity”
Claim · model-written summary
Under high salinity, tomato genotypes PTNI-203, PTNI-202 and PTNI-8 flowered earlier.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- PTNI-203, PTNI-202, and PTNI-8e1
- Treatment
- high salinitye1
- Outcome
- floweringe1
- Direction
- earliere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e1“Genotypic variations were apparent as PTNI-203, PTNI-202, and PTNI-8 exhibited better vegetative development, earlier flowering, larger fruit, and dense pericarp thickness under high salinity”
Claim · model-written summary
Under high salinity, tomato genotypes PTNI-203, PTNI-202 and PTNI-8 produced larger fruit.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- PTNI-203, PTNI-202, and PTNI-8e1
- Treatment
- high salinitye1
- Outcome
- fruite1
- Direction
- largere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e1“Genotypic variations were apparent as PTNI-203, PTNI-202, and PTNI-8 exhibited better vegetative development, earlier flowering, larger fruit, and dense pericarp thickness under high salinity”
Claim · model-written summary
Under high salinity, tomato genotypes PTNI-203, PTNI-202 and PTNI-8 had dense pericarp thickness.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- PTNI-203, PTNI-202, and PTNI-8e1
- Treatment
- high salinitye1
- Outcome
- pericarp thicknesse1
- Direction
- densee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e1“Genotypic variations were apparent as PTNI-203, PTNI-202, and PTNI-8 exhibited better vegetative development, earlier flowering, larger fruit, and dense pericarp thickness under high salinity”
Claim · model-written summary
Root fresh and dry weights were maximized in tomato genotypes PTNI-11, PTNI-25 and PTNI-20.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- PTNI-11, PTNI-25, and PTNI-20e2
- Outcome
- Root fresh and dry weightse2
- Direction
- maximizede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e2“Root fresh and dry weights were maximized in PTNI-11, PTNI-25, and PTNI-20”
Claim · model-written summary
Osmolyte accumulation, pigment stability and membrane integrity varied substantially among tomato genotypes under saline conditions.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- saline conditionse3
- Outcome
- osmolyte accumulation, pigment stability, and membrane integritye3
- Qualifier
- substantial genotypic variatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e3“Physiological and biochemical profiling further revealed substantial genotypic variation in osmolyte accumulation, pigment stability, and membrane integrity under saline conditions”
Claim · model-written summary
Tomato genotypes under salinity recorded 30%–40% higher proline.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- prolinee4
- Direction
- highere4
- Value
- 30%–40%e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e4“These genotypes also recorded 30%–40% higher proline, 15%–20% higher protein content, and membrane stability indices above 85”
Claim · model-written summary
Tomato genotypes under salinity recorded 15%–20% higher protein content.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- protein contente4
- Direction
- highere4
- Value
- 15%–20%e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e4“These genotypes also recorded 30%–40% higher proline, 15%–20% higher protein content, and membrane stability indices above 85”
Claim · model-written summary
Tomato genotypes under salinity recorded membrane stability indices above 85.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- membrane stability indicese4
- Value
- above 85e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e4“These genotypes also recorded 30%–40% higher proline, 15%–20% higher protein content, and membrane stability indices above 85”
Claim · model-written summary
Total tomato yield was reduced gradually with increasing salinity.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- salinitye5
- Outcome
- total yielde5
- Direction
- reducede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e5“The total yield was reduced gradually with the salinity”
Claim · model-written summary
Tolerant genotypes PTNI-203, PTNI-8 and PTNI-202 maintained higher yield (524–540 q acre −1) than susceptible genotypes under 6 dS m −1.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- PTNI-203, PTNI-8, and PTNI-202e1
- Treatment
- 6 dS m −1e2
- Outcome
- yielde1
- Direction
- highere1
- Value
- 524–540 q acre −1e1
- Comparator
- susceptible genotypese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e1“the tolerant genotypes (PTNI-203, PTNI-8, and PTNI-202) maintained higher yield (524–540 q acre −1 )”
e2“representing 55%–65% higher productivity than susceptible genotypes under 6 dS m −1”
Claim · model-written summary
Tolerant tomato genotypes showed 55%–65% higher productivity than susceptible genotypes under 6 dS m −1.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- PTNI-203, PTNI-8, and PTNI-202e1
- Treatment
- 6 dS m −1e2
- Outcome
- productivitye2
- Direction
- highere2
- Value
- 55%–65%e2
- Comparator
- susceptible genotypese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e1“the tolerant genotypes (PTNI-203, PTNI-8, and PTNI-202) maintained higher yield (524–540 q acre −1 )”
e2“representing 55%–65% higher productivity than susceptible genotypes under 6 dS m −1”
Claim · model-written summary
Genotype was the major factor determining growth and productivity traits of tomato under salinity, with salinity having secondary inhibitory effects.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- growth and productivity traitse7
- Qualifier
- genotype was the major factore7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e7“Rank analysis supported the fact that genotype was the major factor that determined growth and productivity traits with salinity imposing secondary inhibitory effects”
Claim · model-written summary
The identified tomato genotypes are promising candidates for cultivation and breeding programs in salt-affected regions.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- cultivation and breeding programse6
- Setting
- salt-affected regionse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato (Solanum lycopersicum L.)”
e6“The identified genotypes can serve as promising candidates for cultivation and breeding programs in salt-affected regions”
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