Abstract
Soil salinity is one of the most severe factors limiting growth and physiological response in cowpea plants. In this study, the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control. On the other hand, the high concentrations of NaCl (50, 100 and 200 mM) caused reduction in plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), all yield attributes and harvested seeds components but increased lipid peroxidation and non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol). Electrophoretic studies of proteins showed three types of modifications are observed in the protein patterns of cowpea seeds, some protein bands were disappeared, other proteins were selectively increased and synthesis of new set of protein was induced. Some of these responses were observed under gamma rays and salinity treatments, while others were induced by either gamma rays or salinity. Seeds irradiation with gamma rays alleviates the adverse effect of salt stress compared to non irradiated seeds.
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Claims 18
Claim · model-written summary
Low NaCl increased plant growth in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- plant growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased photosynthetic pigments content in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- photosynthetic pigments contente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased total soluble protein content in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- total soluble protein contente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased nucleic acids contents (DNA and RNA) in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- nucleic acids contents (DNA and RNA)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased lipid peroxidation in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- lipid peroxidatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol) in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased number of legumes per plant in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- number of legumes per plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased number of seeds per legume in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- number of seeds per legumee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased number of seeds per plants in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- number of seeds per plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased legume length in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- legume lengthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased fresh and dry weight of legumes in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- fresh and dry weight of legumese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased weight of 1000 seeds in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- weight of 1000 seedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
Low NaCl increased carbohydrate contents in harvested seeds in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- carbohydrate contents in harvested seedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the low concentrations of NaCl (25mM) increased plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), lipid peroxidation, non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol), number of legumes per plant, number of seeds per legume, number of seeds per plants, legume length, fresh and dry weight of legumes and weight of 1000 seeds and total soluble proteins and carbohydrate contents in harvested seeds as compared to control.”
t0“cowpea plants”
Claim · model-written summary
High NaCl reduced growth, photosynthetic pigments, protein and nucleic acids in cowpea.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- plant growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the high concentrations of NaCl (50, 100 and 200 mM) caused reduction in plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), all yield attributes and harvested seeds components”
e1“as compared to control”
t0“cowpea plants”
Claim · model-written summary
High NaCl reduced cowpea yield attributes and seed components.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- all yield attributes and harvested seeds componentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the high concentrations of NaCl (50, 100 and 200 mM) caused reduction in plant growth, photosynthetic pigments content, total soluble protein content, nucleic acids contents (DNA and RNA), all yield attributes and harvested seeds components”
e1“as compared to control”
t0“cowpea plants”
Claim · model-written summary
High NaCl increased lipid peroxidation and non-enzymatic antioxidants.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- lipid peroxidation and non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“but increased lipid peroxidation and non enzymatic antioxidants (anthocyanin, ascorbic acids and α-tocopherol).”
e1“as compared to control”
e2“the high concentrations of NaCl (50, 100 and 200 mM)”
t0“cowpea plants”
Claim · model-written summary
Cowpea seed protein patterns showed disappearing, increasing and newly synthesized bands under the treatments.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- protein bandse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“some protein bands were disappeared, other proteins were selectively increased and synthesis of new set of protein was induced. Some of these responses were observed under gamma rays and salinity treatments”
t0“cowpea plants”
Claim · model-written summary
Seed irradiation alleviated salt stress effects relative to non-irradiated seeds.
- Taxon
- cowpea plants
Vigna unguiculatat0 - Outcome
- adverse effect of salt stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Seeds irradiation with gamma rays alleviates the adverse effect of salt stress compared to non irradiated seeds.”
t0“cowpea plants”
The same questions in other papers
sodium chloride · growth · Vigna unguiculata (cowpea)Results differ
5 papers in the same direction as this paper · 16 in the opposite direction
- negative
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sodium chloride · physiology: enzyme activity · Vigna unguiculata (cowpea)Positive and negative results
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sodium chloride · yield · Vigna unguiculata (cowpea)Positive and negative results
1 paper in the same direction as this paper · 3 in the opposite direction
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See all 5 papers →sodium chloride · physiology: photosynthesis · Vigna unguiculata (cowpea)Positive and negative results
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See all 6 papers →sodium chloride · physiology: osmolytes · Vigna unguiculata (cowpea)Results agree
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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.