Abstract
In order to study effects of salinity, salicylic acid, silicium and ascorbic acid on lipid peroxidation, antioxidant enzyme activity and fatty acid content of sunflower, a pot culture experiment was conducted under controlled conditions. Sunflower seeds were sown into the pots and irrigated by Hoagland’s solution. Salinity was induced by adding sodium chloride (NaCl) into nutrient solution. In addition, different concentration of salicylic acid, silicium and ascorbic acid were made by dissolving salicylic acid, silicium and ascorbic acid into the solution to reach certain concentrations. Treatments included 0, 100, 200 and 300 mM NaCl, 1 and 2 mM salicylic acid, 2 and 4 mM silicium and 0 and 4 mM ascorbic acid. The results showed that salinity significantly have effect on all assayed traits. Salinity significantly increased malondialdehyde content and antioxidant enzyme activity, but decreased protein content and fatty acid percentage. Similarly, salicylic acid enhanced antioxidant enzyme activity and decreased protein and oleic acid percentage. Among enzymes, only superoxide dismutase was affected by silicium application and its activity increased. Furthermore, silicium application led to a decrease in protein content. Lipid peroxidation and enzyme activity significantly decreased on account of ascorbic acid application. On the other hand, the interaction between salinity and ascorbic acid was significant on malondialdehyde and antioxidant enzymes activity. Ascorbic acid application significantly decreased malondialdehyde production and enzyme activity under salinity stress. In general, we concluded that ascorbic acid application into the nutrient solution can diminish adverse effect of salinity and alleviate enzyme activity via scavenging of reactive oxygen species. Key words: Ascorbic acid, salicylic acid, silicium, salinity, sunflower.
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Claims 11
Claim · model-written summary
Salinity significantly increased malondialdehyde content in sunflower.
- Taxon
- sunflower
Helianthus annuust0 - Treatment
- Salinitye1
- Outcome
- malondialdehyde contente1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e1“Salinity significantly increased malondialdehyde content and antioxidant enzyme activity”
Claim · model-written summary
Salinity significantly increased antioxidant enzyme activity in sunflower.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- Salinitye1
- Outcome
- antioxidant enzyme activitye1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e1“Salinity significantly increased malondialdehyde content and antioxidant enzyme activity”
Claim · model-written summary
Salinity decreased protein content and fatty acid percentage in sunflower.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- Salinitye2
- Outcome
- protein content and fatty acid percentagee2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e2“Salinity significantly increased malondialdehyde content and antioxidant enzyme activity, but decreased protein content and fatty acid percentage”
Claim · model-written summary
Salicylic acid enhanced antioxidant enzyme activity in sunflower.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- salicylic acide3
- Outcome
- antioxidant enzyme activitye3
- Direction
- enhancede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e3“Similarly, salicylic acid enhanced antioxidant enzyme activity and decreased protein and oleic acid percentage”
Claim · model-written summary
Salicylic acid decreased protein and oleic acid percentage in sunflower.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- salicylic acide3
- Outcome
- protein and oleic acid percentagee3
- Direction
- decreasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e3“Similarly, salicylic acid enhanced antioxidant enzyme activity and decreased protein and oleic acid percentage”
Claim · model-written summary
Silicium application increased superoxide dismutase activity in sunflower; no other enzyme was affected.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- silicium applicatione4
- Gene
- superoxide dismutasee4
- Outcome
- activitye4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e4“Among enzymes, only superoxide dismutase was affected by silicium application and its activity increased”
Claim · model-written summary
Silicium application decreased protein content in sunflower.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- silicium applicatione5
- Outcome
- protein contente5
- Direction
- decreasee5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e5“Furthermore, silicium application led to a decrease in protein content”
Claim · model-written summary
Ascorbic acid application significantly decreased lipid peroxidation and enzyme activity in sunflower.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- ascorbic acid applicatione6
- Outcome
- Lipid peroxidation and enzyme activitye6
- Direction
- decreasede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e6“Lipid peroxidation and enzyme activity significantly decreased on account of ascorbic acid application”
Claim · model-written summary
Ascorbic acid application significantly decreased malondialdehyde production and enzyme activity in sunflower under salinity stress.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- Ascorbic acid applicatione7
- Outcome
- malondialdehyde production and enzyme activitye7
- Direction
- decreasede7
- Qualifier
- under salinity stresse7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e7“Ascorbic acid application significantly decreased malondialdehyde production and enzyme activity under salinity stress”
Claim · model-written summary
The interaction between salinity and ascorbic acid was significant for malondialdehyde and antioxidant enzyme activity in sunflower.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- the interaction between salinity and ascorbic acide0
- Outcome
- malondialdehyde and antioxidant enzymes activitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e0“the interaction between salinity and ascorbic acid was significant on malondialdehyde and antioxidant enzymes activity”
Claim · model-written summary
Ascorbic acid application into the nutrient solution is concluded to diminish the adverse effect of salinity on sunflower, via scavenging of reactive oxygen species.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- ascorbic acid application into the nutrient solutione1
- Outcome
- adverse effect of salinitye1
- Qualifier
- via scavenging of reactive oxygen speciese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fatty acid content of sunflower”
e1“In general, we concluded that ascorbic acid application into the nutrient solution can diminish adverse effect of salinity and alleviate enzyme activity via scavenging of reactive oxygen species”
The same questions in other papers
salinity · physiology: oxidative · Helianthus annuus (common sunflower)Positive and negative results
12 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
10 papers more in this group
See all 14 papers →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.