Abstract
Salt stress is a major challenge in agricultural system. In this study, okra seeds of two genotypes (47-7 and LD 88) were presoaked with 10-2, 10-4, and 10-6 mM salicylic acid and control in distilled water, then the soil was treated with 0, 50, 100, 150 and 200 mM NaCl. The experiment was conducted to study the effect on osmoregulating solutes such as proline, salt stress protein (glycine betaine and proline betaine) and soluble sugars (glucose and fructose). Results showed that proline content increased with increased in the concentrations of salinity. Also, treatment with salicylic acid (SA) improved salt stress proteins accumulation in both stressed genotypes. In contrast, decreased SA concentrations improved soluble sugar accumulation in the fruit of okra genotype 47-4. But in LD88, increased in the level of SA resulted to the increased soluble sugar accumulation in the leaf. Combined effect of SA and salinity caused a greater accumulation of protein and soluble sugar in leaf and fruit of both genotypes of stressed okra, but significant increased were seen only in the groups of LD88 treated with 10-4 mM SA at 50 mM NaCl in leaf and 10-2mM SA at 150 mM NaCl in fruit when compared with the control group. Salinity induced a marked decreased in reducing sugar accumulation of okra plant (LD88), especially at high salinity level (200 mM NaCl). Therefore, accumulations of compatible solutes such as salt stress proteins may provide plant a storage form of nitrogen that will be re-utilized later and may play a role in osmotic adjustment. Key words: Distilled water, fruit, leaf, okra, proline, protein, salicylic acid (SA), salinity, soluble sugar.
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Claims 8
Claim · model-written summary
Okra proline content increased as salinity concentration increased.
- Taxon
- okra plants
.jpg?width=60)
Abelmoschus esculentust0 - Treatment
- salinitye0
- Outcome
- proline contente0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“proline content increased with increased in the concentrations of salinity”
t0“okra plants”
Claim · model-written summary
Salicylic acid improved salt stress protein accumulation in both stressed okra genotypes.
- Taxon
- okra plantsAbelmoschus esculentust0
- Treatment
- salicylic acid (SA)e0
- Outcome
- salt stress proteins accumulatione0
- Direction
- improvede0
- Qualifier
- both stressed genotypese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“treatment with salicylic acid (SA) improved salt stress proteins accumulation in both stressed genotypes”
t0“okra plants”
Claim · model-written summary
Lower salicylic acid concentrations improved soluble sugar accumulation in fruit of okra genotype 47-4.
- Taxon
- okraAbelmoschus esculentuse0
- Material
- 47-4e0
- Organ / stage
- fruite0
- Treatment
- decreased SA concentrationse0
- Outcome
- soluble sugar accumulatione0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased SA concentrations improved soluble sugar accumulation in the fruit of okra genotype 47-4”
Claim · model-written summary
Higher salicylic acid levels increased soluble sugar accumulation in LD88 leaves.
- Taxon
- okra plantsAbelmoschus esculentust0
- Material
- LD88e0
- Organ / stage
- leafe0
- Treatment
- increased in the level of SAe0
- Outcome
- soluble sugar accumulatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in LD88, increased in the level of SA resulted to the increased soluble sugar accumulation in the leaf”
t0“okra plants”
Claim · model-written summary
Combined salicylic acid and salinity caused greater protein and soluble sugar accumulation in leaves and fruit of both stressed okra genotypes.
- Taxon
- okraAbelmoschus esculentuse0
- Organ / stage
- leaf and fruite0
- Treatment
- SA and salinitye0
- Outcome
- protein and soluble sugare0
- Direction
- greater accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combined effect of SA and salinity caused a greater accumulation of protein and soluble sugar in leaf and fruit of both genotypes of stressed okra”
Claim · model-written summary
The increase was significant for LD88 leaves treated with 10-4 mM SA at 50 mM NaCl versus control.
- Taxon
- okra plantsAbelmoschus esculentust0
- Material
- LD88e0
- Organ / stage
- leafe0
- Treatment
- 10-4 mM SA at 50 mM NaCle0
- Outcome
- protein and soluble sugare1
- Direction
- increasede0
- Comparator
- control groupe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant increased were seen only in the groups of LD88 treated with 10-4 mM SA at 50 mM NaCl in leaf and 10-2mM SA at 150 mM NaCl in fruit when compared with the control group”
t0“okra plants”
e1“protein and soluble sugar”
Claim · model-written summary
The increase was significant for LD88 fruit treated with 10-2mM SA at 150 mM NaCl versus control.
- Taxon
- okra plantsAbelmoschus esculentust0
- Material
- LD88e0
- Organ / stage
- fruite0
- Treatment
- 10-2mM SA at 150 mM NaCle0
- Outcome
- protein and soluble sugare1
- Direction
- increasede0
- Comparator
- control groupe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant increased were seen only in the groups of LD88 treated with 10-4 mM SA at 50 mM NaCl in leaf and 10-2mM SA at 150 mM NaCl in fruit when compared with the control group”
e1“protein and soluble sugar”
t0“okra plants”
Claim · model-written summary
Salinity markedly decreased reducing sugar accumulation in LD88 okra, especially at 200 mM NaCl.
- Taxon
- okra plantAbelmoschus esculentuse0
- Material
- LD88e0
- Treatment
- Salinitye0
- Outcome
- reducing sugar accumulatione0
- Direction
- decreasede0
- Qualifier
- high salinity level (200 mM NaCl)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity induced a marked decreased in reducing sugar accumulation of okra plant (LD88), especially at high salinity level (200 mM NaCl)”
The same questions in other papers
salicylic acid · molecular: metabolites · Abelmoschus esculentus (okra)Results agree
2 papers in the same direction as this paper
- positive
- positive
salicylic acid · physiology: osmolytes · Abelmoschus esculentus (okra)Results agree
2 papers in the same direction as this paper
- positive
- positive
salinity · quality: sugar starch · Abelmoschus esculentus (okra)Results agree
2 papers in the same direction as this paper
- 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.