Abstract
The present experiment was conducted to assess the interactive effect of foliar application of nitric oxide (NO) and salinity on wheat (Triticum aestivum L.). Wheat cv. S-24 was grown under non-stressed or salt stressed conditions (0 and 150 mM NaCl). Different levels of NO (water spray, 0.05, 0.10 and 0.15 mM) were applied as a foliar spray. Salinity applied through rooting medium significantly reduced growth attributes while foliar applied NO was found to be effective in amelioration of adverse effects of salt stress on growth parameters. Application of NO caused an increase in shoot fresh weight under non-saline or saline conditions. Photosynthetic rate of cultivar increased due to foliarly applied NO both under control and saline conditions. Furthermore, increase in growth due to exogenously applied NO may have been due to changes in photosynthesis. However, NO applied as a foliar spray did not change the sub-stomatal CO2 concentration suggesting that stomtal factors were not the major controlling factors for photosynthesis. However, photosystem-II activity in our experiment did not change by foliar spray of NO. Overall, the adverse effects of salt stress could be alleviated by exogenous application of NO.
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Claims 8
Claim · model-written summary
Salinity significantly reduced wheat growth attributes.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- Salinity applied through rooting mediume0
- Outcome
- growth attributese0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity applied through rooting medium significantly reduced growth attributes”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Foliar nitric oxide ameliorated salt stress effects on growth parameters.
- Taxon
- wheatTriticum aestivume1
- Treatment
- foliar applied NOe0
- Outcome
- adverse effects of salt stress on growth parameterse0
- Direction
- amelioratione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar applied NO was found to be effective in amelioration of adverse effects of salt stress on growth parameters”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Nitric oxide increased shoot fresh weight in saline and non-saline conditions.
- Taxon
- wheatTriticum aestivume1
- Treatment
- Application of NOe0
- Outcome
- shoot fresh weighte0
- Direction
- increasee0
- Qualifier
- under non-saline or saline conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of NO caused an increase in shoot fresh weight under non-saline or saline conditions.”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Foliar nitric oxide increased photosynthetic rate in saline and control conditions.
- Taxon
- wheatTriticum aestivume1
- Treatment
- foliarly applied NOe0
- Outcome
- Photosynthetic ratee0
- Direction
- increasede0
- Qualifier
- both under control and saline conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Photosynthetic rate of cultivar increased due to foliarly applied NO both under control and saline conditions.”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
The authors proposed that photosynthesis changes may explain nitric oxide induced growth.
- Taxon
- wheatTriticum aestivume1
- Treatment
- exogenously applied NOe0
- Outcome
- increase in growthe0
- Qualifier
- changes in photosynthesise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increase in growth due to exogenously applied NO may have been due to changes in photosynthesis”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Foliar nitric oxide did not change sub-stomatal CO2 concentration.
- Taxon
- wheatTriticum aestivume1
- Treatment
- NO applied as a foliar spraye0
- Outcome
- sub-stomatal CO2 concentratione0
- Direction
- did not changee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NO applied as a foliar spray did not change the sub-stomatal CO2 concentration”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
The authors inferred that stomatal factors were not major controls of photosynthesis.
- Taxon
- wheatTriticum aestivume1
- Outcome
- photosynthesise0
- Qualifier
- stomtal factors were not the major controlling factorse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stomtal factors were not the major controlling factors for photosynthesis”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Foliar nitric oxide did not change photosystem-II activity.
- Taxon
- wheatTriticum aestivume1
- Treatment
- foliar spray of NOe0
- Outcome
- photosystem-II activitye0
- Direction
- did not changee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“photosystem-II activity in our experiment did not change by foliar spray of NO”
e1“wheat (Triticum aestivum L.)”
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