Abstract
Background: Salinity is one of the environmental stress factors that restrict the crop production by endangering agricultural areas. Nitric oxide (NO) protects plants from damage caused by oxidative stress conditions in various biological ways. Methods: In this greenhouse investigation during 2018, pea plants were irrigated with three levels of NaCl (0, 50 and 100 mM) solutions. NO solutions were prepared with three different doses (0, 75 and 100 µM SNP). These solutions were applied to the seeds before sowing and then to the leaves of the pea cultivars. The study was conducted to analyze the impact of NO on growth, malondialdehyde (MDA), hydrogen peroxide (H2O2), antioxidant enzyme activity and nutrient uptake in two pea cultivars under salinity conditions. Result: Salinity reduced fresh-dry weight, relative water content (RWC), and chlorophyll a and b content of pea. However, NO enhanced these parameters under salt stress. Salinity increased tissue electrical conductance (TEC), H2O2 and MDA content, which were decreased by combined application of NaCl and NO. Salinity caused an increase in antioxidant enzyme activity in pea and NO made a significant improvement in their activities under salinity conditions. Salinity treatments decreased the ratio of K+/Na+ and Ca2+/Na+ in both cultivars, and application of NO elevated them as compared to the control under salt stress. In conclude, exogenous NO treatment could help pea to tolerate salinity stress by increasing the chlorophyll content and regulating antioxidant enzyme activity and nutrient uptake.
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Claims 13
Claim · model-written summary
Salinity reduced pea fresh and dry weight and relative water content.
- Taxon
- pea
Lathyrus oleraceuse0 - Treatment
- Salinitye0
- Outcome
- fresh-dry weight, relative water content (RWC)e0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity reduced fresh-dry weight, relative water content (RWC), and chlorophyll a and b content of pea.”
Claim · model-written summary
Salinity reduced pea chlorophyll a and b content.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- Salinitye0
- Outcome
- chlorophyll a and b contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity reduced fresh-dry weight, relative water content (RWC), and chlorophyll a and b content of pea.”
Claim · model-written summary
Nitric oxide enhanced pea fresh and dry weight and relative water content under salt stress.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- NOe0
- Outcome
- growthe1
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, NO enhanced these parameters under salt stress.”
t0“in Pea”
e1“The study was conducted to analyze the impact of NO on growth, malondialdehyde (MDA), hydrogen peroxide (H2O2), antioxidant enzyme activity and nutrient uptake in two pea cultivars under salinity conditions.”
Claim · model-written summary
Nitric oxide enhanced pea chlorophyll content under salt stress.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- NOe0
- Outcome
- chlorophyll contente1
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, NO enhanced these parameters under salt stress.”
t0“in Pea”
e1“exogenous NO treatment could help pea to tolerate salinity stress by increasing the chlorophyll content and regulating antioxidant enzyme activity and nutrient uptake.”
Claim · model-written summary
Salinity increased pea tissue electrical conductance.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Salinitye0
- Outcome
- tissue electrical conductance (TEC)e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity increased tissue electrical conductance (TEC), H2O2 and MDA content”
t0“in Pea”
Claim · model-written summary
Salinity increased pea H2O2 and MDA content.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Salinitye0
- Outcome
- H2O2 and MDA contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity increased tissue electrical conductance (TEC), H2O2 and MDA content”
t0“in Pea”
Claim · model-written summary
Combined NaCl and NO reduced pea tissue electrical conductance.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- combined application of NaCl and NOe0
- Outcome
- tissue electrical conductance (TEC)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity increased tissue electrical conductance (TEC), H2O2 and MDA content, which were decreased by combined application of NaCl and NO.”
t0“in Pea”
Claim · model-written summary
Combined NaCl and NO reduced pea H2O2 and MDA content.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- combined application of NaCl and NOe0
- Outcome
- H2O2 and MDA contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity increased tissue electrical conductance (TEC), H2O2 and MDA content, which were decreased by combined application of NaCl and NO.”
t0“in Pea”
Claim · model-written summary
Salinity increased antioxidant enzyme activity in pea.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- Salinitye0
- Outcome
- antioxidant enzyme activitye0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity caused an increase in antioxidant enzyme activity in pea”
Claim · model-written summary
NO significantly improved antioxidant enzyme activity in pea under salinity.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- NOe0
- Outcome
- antioxidant enzyme activitye1
- Direction
- improvemente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NO made a significant improvement in their activities under salinity conditions.”
t0“in Pea”
e1“Salinity caused an increase in antioxidant enzyme activity in pea”
Claim · model-written summary
Salinity decreased K+/Na+ and Ca2+/Na+ ratios in both pea cultivars.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Salinity treatmentse0
- Outcome
- ratio of K+/Na+ and Ca2+/Na+e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity treatments decreased the ratio of K+/Na+ and Ca2+/Na+ in both cultivars”
t0“in Pea”
Claim · model-written summary
NO raised K+/Na+ and Ca2+/Na+ ratios in pea cultivars under salt stress.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- NOe0
- Outcome
- K+/Na+ and Ca2+/Na+e1
- Direction
- elevatede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of NO elevated them as compared to the control under salt stress.”
t0“in Pea”
e1“Salinity treatments decreased the ratio of K+/Na+ and Ca2+/Na+ in both cultivars”
Claim · model-written summary
The authors conclude that exogenous NO could improve pea salt tolerance through chlorophyll, antioxidant activity and nutrient uptake.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- exogenous NO treatmente0
- Outcome
- tolerate salinity stresse0
- Qualifier
- increasing the chlorophyll content and regulating antioxidant enzyme activity and nutrient uptakee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous NO treatment could help pea to tolerate salinity stress by increasing the chlorophyll content and regulating antioxidant enzyme activity and nutrient uptake.”
The same questions in other papers
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nitric oxide · physiology: oxidative · Lathyrus oleraceus (pea)Results agree
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5 papers in the same direction as this paper
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See all 13 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.