Abstract
To study the effect of severe salt stress on chlorophyll content and photosynthetic characteristics of cassava seedlings,four kinds of cassava seedlings were treated with NaCl solution,and the relative chlorophyll contents of leaves and photosynthetic parameters were measured. The results showed that relative chlorophyll contents,net photosynthetic rates,stomatal conductances,transpiration rates of four kinds of cassava subjected to 10 g / L NaCl stress were decreased and reached the lowest on day 5 of salt stress. Intercellular CO2 concentration showed an upward trend following initial decline,and reached the maximum on day 5 of salt stress. Stomatal limitation was replaced by non-stomatal limitation as a leading cause for decreased photosynthetic rate over the time of salt stress. Chlorophyll content and photosynthetic parameters were closely related to salt tolerance of cassava genotypes.
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Claims 5
Claim · model-written summary
Relative chlorophyll content and net photosynthetic rate of cassava decreased under 10 g/L NaCl, reaching the lowest on day 5.
- Taxon
- cassava
Manihot esculentat0 - Treatment
- 10 g / L NaCl stresse1
- Outcome
- relative chlorophyll contents,net photosynthetic ratese1
- Direction
- decreasede1
- Qualifier
- reached the lowest on day 5 of salt stresse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chlorophyll contents and photosynthetic characteristics of cassava seedlings in response to NaCl stress”
e1“relative chlorophyll contents,net photosynthetic rates,stomatal conductances,transpiration rates of four kinds of cassava subjected to 10 g / L NaCl stress were decreased and reached the lowest on day 5 of salt stress”
Claim · model-written summary
Stomatal conductance and transpiration rate of cassava decreased under 10 g/L NaCl, reaching the lowest on day 5.
- Taxon
- cassavaManihot esculentat0
- Treatment
- 10 g / L NaCl stresse1
- Outcome
- stomatal conductances,transpiration ratese1
- Direction
- decreasede1
- Qualifier
- reached the lowest on day 5 of salt stresse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chlorophyll contents and photosynthetic characteristics of cassava seedlings in response to NaCl stress”
e1“relative chlorophyll contents,net photosynthetic rates,stomatal conductances,transpiration rates of four kinds of cassava subjected to 10 g / L NaCl stress were decreased and reached the lowest on day 5 of salt stress”
Claim · model-written summary
Intercellular CO2 concentration of cassava rose after an initial decline and peaked on day 5 of salt stress.
- Taxon
- cassavaManihot esculentat0
- Treatment
- salt stresse2
- Outcome
- Intercellular CO2 concentratione2
- Direction
- upward trende2
- Qualifier
- reached the maximum on day 5 of salt stresse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chlorophyll contents and photosynthetic characteristics of cassava seedlings in response to NaCl stress”
e2“Intercellular CO2 concentration showed an upward trend following initial decline,and reached the maximum on day 5 of salt stress”
Claim · model-written summary
Under salt stress, decreased photosynthetic rate in cassava was driven mainly by non-stomatal limitation after stomatal limitation.
- Taxon
- cassavaManihot esculentat0
- Outcome
- decreased photosynthetic ratee3
- Qualifier
- Stomatal limitation was replaced by non-stomatal limitation as a leading causee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chlorophyll contents and photosynthetic characteristics of cassava seedlings in response to NaCl stress”
e3“Stomatal limitation was replaced by non-stomatal limitation as a leading cause for decreased photosynthetic rate over the time of salt stress”
Claim · model-written summary
Chlorophyll content and photosynthetic parameters were closely related to salt tolerance of cassava genotypes.
- Taxon
- cassavaManihot esculentat0
- Material
- cassava genotypese4
- Outcome
- salt tolerancee4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chlorophyll contents and photosynthetic characteristics of cassava seedlings in response to NaCl stress”
e4“Chlorophyll content and photosynthetic parameters were closely related to salt tolerance of cassava genotypes”
The same questions in other papers
salinity · physiology: photosynthesis · Manihot esculenta (cassava)Results agree
1 paper in the same direction as this paper
- negative
salinity · physiology: gas exchange · Manihot esculenta (cassava)Results agree
1 paper in the same direction as this paper
- 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.