Abstract
The photosynthetic rate,stomatal conductance,intercellular CO2 concentration,transpiration rate and water use efficiency of Puccinellia tenuiflora cv.Tongde treated with Na2CO3 at different concentrations were measured to study its saline-alkali tolerance.The results showed that the stomatal conductance basically remained unchanged while treated with low concentration Na2CO3,and the photosynthetic rate and transpiration rate were improved,water use efficiency was increased;As the Na2CO3 concentration increased,the stomatal conductance,transpiration rate and photosynthetic rate decreased respectively,and the water use efficiency increased.The tolerant Na2CO3 concentration of Puccinellia tenuiflora cv.Tongde was 1.2%.
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Claims 6
Claim · model-written summary
stomatal conductance basically remained unchanged while treated with low concentration Na2CO3.
- Taxon
- Puccinellia tenuifloraPuccinellia tenuiflorat0
- Treatment
- low concentration Na2CO3e0
- Outcome
- stomatal conductancee0
- Direction
- remained unchangede0
Verbatim
e0“stomatal conductance basically remained unchanged while treated with low concentration Na2CO3”
t0“Puccinellia tenuiflora”
Claim · model-written summary
photosynthetic rate and transpiration rate were improved.
- Taxon
- Puccinellia tenuifloraPuccinellia tenuiflorat0
- Outcome
- photosynthetic rate and transpiration ratee0
- Direction
- improvede0
Not reportedTreatment
Verbatim
e0“photosynthetic rate and transpiration rate were improved”
t0“Puccinellia tenuiflora”
Claim · model-written summary
water use efficiency was increased.
- Taxon
- Puccinellia tenuifloraPuccinellia tenuiflorat0
- Outcome
- water use efficiencye0
- Direction
- increasede0
Not reportedTreatment
Verbatim
e0“water use efficiency was increased”
t0“Puccinellia tenuiflora”
Claim · model-written summary
As the Na2CO3 concentration increased,the stomatal conductance,transpiration rate and photosynthetic rate decreased respectively.
- Taxon
- Puccinellia tenuifloraPuccinellia tenuiflorat0
- Treatment
- Na2CO3 concentratione0
- Outcome
- stomatal conductance,transpiration rate and photosynthetic ratee0
- Direction
- decreasede0
Verbatim
e0“As the Na2CO3 concentration increased,the stomatal conductance,transpiration rate and photosynthetic rate decreased respectively”
t0“Puccinellia tenuiflora”
Claim · model-written summary
water use efficiency increased.
- Taxon
- Puccinellia tenuifloraPuccinellia tenuiflorat0
- Outcome
- water use efficiencye0
- Direction
- increasede0
Not reportedTreatment
Verbatim
e0“water use efficiency increased”
t0“Puccinellia tenuiflora”
Claim · model-written summary
The tolerant Na2CO3 concentration of Puccinellia tenuiflora cv.Tongde was 1.2%.
- Taxon
- Puccinellia tenuifloraPuccinellia tenuiflorae0
- Outcome
- tolerant Na2CO3 concentratione0
- Value
- 1.2%e0
Verbatim
e0“The tolerant Na2CO3 concentration of Puccinellia tenuiflora cv.Tongde was 1.2%”