Abstract
It has been recognized widely that sequestration of atmospheric CO 2 by terrestrial ecosystems can contribute significantly to the stabilization of atmospheric CO 2 . The carbon sequestration potential of crop lands should be considered as a modest but non-negligible contribution to climate change mitigation. Salinity is one of the most important environmental factors limiting crop production of marginal agricultural soils in many parts of the world. In our research, several physiological analyses were performed in atmospheric CO 2 , in daylight, both in normal conditions and with salinity (40 m m NaCl). Crops like melon or pepper showed significantly lower photosynthetic rates when they were grown in saline conditions. Also, the total chlorophyll content and carbon percentage were lower in the salinity-treated plants of these species. For lettuce, treated plants showed a significant decrease in photosynthetic rates and chlorophyll content, but there were no differences in carbon content. On the other hand, there were no significant differences in the values of total chlorophyll content, photosynthetic rate, or carbon content for tomato and watermelon plants when control and NaCl-treated plants were compared. The mineral composition data showed greater increases of sodium in both roots and leaves of melon and pepper when plants were treated with NaCl compared with the rest of the species. In conclusion, tomato and watermelon seem to be more efficient in CO 2 fixation than the other crops of this experiment and this seems to be related to their greater salinity tolerance.
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Claims 12
Claim · model-written summary
Salinity significantly lowered photosynthetic rates in melon.
- Taxon
- melon
.jpg?width=60)
Cucumis meloe0 - Treatment
- saline conditionse0
- Outcome
- photosynthetic ratese0
- Direction
- lowere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Crops like melon or pepper showed significantly lower photosynthetic rates when they were grown in saline conditions”
Claim · model-written summary
Salinity significantly lowered photosynthetic rates in pepper.
Not reportedComparator
Verbatim
e0“Crops like melon or pepper showed significantly lower photosynthetic rates when they were grown in saline conditions”
Claim · model-written summary
Salinity lowered chlorophyll content and carbon percentage in melon.
- Taxon
- melonCucumis meloe1
- Treatment
- salinity-treatede0
- Outcome
- total chlorophyll content and carbon percentagee0
- Direction
- lowere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“total chlorophyll content and carbon percentage were lower in the salinity-treated plants of these species”
e1“melon or pepper”
Claim · model-written summary
Salinity lowered chlorophyll content and carbon percentage in pepper.
- Taxon
- peppere1
- Treatment
- salinity-treatede0
- Outcome
- total chlorophyll content and carbon percentagee0
- Direction
- lowere0
Not reportedComparator
Verbatim
e0“total chlorophyll content and carbon percentage were lower in the salinity-treated plants of these species”
e1“melon or pepper”
Claim · model-written summary
Salinity significantly decreased photosynthesis and chlorophyll in lettuce.
- Taxon
- lettuce
Lactuca sativae0 - Treatment
- treated plantse0
- Outcome
- photosynthetic rates and chlorophyll contente0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For lettuce, treated plants showed a significant decrease in photosynthetic rates and chlorophyll content”
Claim · model-written summary
Salinity did not change carbon content in lettuce.
- Taxon
- lettuceLactuca sativae0
- Treatment
- treated plantse0
- Outcome
- carbon contente0
- Direction
- no differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For lettuce, treated plants showed a significant decrease in photosynthetic rates and chlorophyll content, but there were no differences in carbon content”
Claim · model-written summary
Tomato showed no significant differences in chlorophyll, photosynthesis or carbon content under NaCl treatment.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- NaCl-treated plantse0
- Outcome
- total chlorophyll content, photosynthetic rate, or carbon contente0
- Direction
- no significant differencese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there were no significant differences in the values of total chlorophyll content, photosynthetic rate, or carbon content for tomato and watermelon plants when control and NaCl-treated plants were compared”
Claim · model-written summary
Watermelon showed no significant differences in chlorophyll, photosynthesis or carbon content under NaCl treatment.
- Taxon
- watermelon
Citrullus lanatuse0 - Treatment
- NaCl-treated plantse0
- Outcome
- total chlorophyll content, photosynthetic rate, or carbon contente0
- Direction
- no significant differencese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there were no significant differences in the values of total chlorophyll content, photosynthetic rate, or carbon content for tomato and watermelon plants when control and NaCl-treated plants were compared”
Claim · model-written summary
NaCl caused greater sodium increases in melon roots and leaves than in the other species.
- Taxon
- melonCucumis meloe0
- Treatment
- NaCle0
- Outcome
- sodium in both roots and leavese0
- Direction
- greater increasese0
- Comparator
- rest of the speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“greater increases of sodium in both roots and leaves of melon and pepper when plants were treated with NaCl compared with the rest of the species”
Claim · model-written summary
NaCl caused greater sodium increases in pepper roots and leaves than in the other species.
Verbatim
e0“greater increases of sodium in both roots and leaves of melon and pepper when plants were treated with NaCl compared with the rest of the species”
Claim · model-written summary
Tomato appeared more efficient in carbon fixation than the other crops.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- CO 2 fixatione0
- Direction
- more efficiente0
- Comparator
- other cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tomato and watermelon seem to be more efficient in CO 2 fixation than the other crops of this experiment”
Claim · model-written summary
Watermelon appeared more efficient in carbon fixation than the other crops.
- Taxon
- watermelonCitrullus lanatuse0
- Outcome
- CO 2 fixatione0
- Direction
- more efficiente0
- Comparator
- other cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tomato and watermelon seem to be more efficient in CO 2 fixation than the other crops of this experiment”
The same questions in other papers
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salinity · physiology: photosynthesis · Cucumis melo (muskmelon)Results agree
5 papers in the same direction as this paper
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See all 6 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.