Abstract
The rate of photosynthesis (P N) in leaves and pods as well as carbon isotope content in leaves, pod walls, and seeds was measured in well-watered (WW) and water-stressed (WS) chickpea plants. The P N, on an area basis, was negligible in pods compared to leaves and was reduced by water stress (by 26%) only in leaves. WS pod walls and seeds discriminated less against 13CO2 than did the controls. This response was not observed for leaves as is usually the case. Pod walls and seeds discriminated less against 13CO2 than did leaves in both WW and WS plants. Measurement of carbon isotope composition in pods may be a more sensitive tool for assessing the impact of water stress on long-term assimilation than is the instantaneous measurement of gas exchange rates.
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Claims 6
Claim · model-written summary
Pod photosynthesis per area was negligible compared with leaves.
- Taxon
- Chickpea
Cicer arietinumt0 - Organ / stage
- podse0
- Outcome
- P Ne0
- Direction
- negligiblee0
- Comparator
- leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The P N, on an area basis, was negligible in pods compared to leaves”
t0“Water-stressed Chickpea”
Claim · model-written summary
Water stress reduced photosynthesis by 26% in leaves.
- Taxon
- ChickpeaCicer arietinumt0
- Organ / stage
- leavese0
- Treatment
- water stresse0
- Outcome
- P Ne0
- Direction
- reducede0
- Value
- 26%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The P N, on an area basis, was negligible in pods compared to leaves and was reduced by water stress (by 26%) only in leaves.”
t0“Water-stressed Chickpea”
Claim · model-written summary
Water-stressed pod walls and seeds discriminated less against 13CO2 than controls.
- Taxon
- ChickpeaCicer arietinumt0
- Organ / stage
- pod walls and seedse0
- Treatment
- WSe0
- Outcome
- discriminated less against 13CO2e0
- Direction
- lesse0
- Comparator
- the controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“WS pod walls and seeds discriminated less against 13CO2 than did the controls.”
t0“Water-stressed Chickpea”
Claim · model-written summary
Leaves did not show the stress-related change in 13CO2 discrimination.
- Taxon
- ChickpeaCicer arietinumt0
- Organ / stage
- leavese0
- Treatment
- WSe0
- Outcome
- This responsee0
- Direction
- not observede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“WS pod walls and seeds discriminated less against 13CO2 than did the controls. This response was not observed for leaves as is usually the case.”
t0“Water-stressed Chickpea”
Claim · model-written summary
Pod walls and seeds discriminated less against 13CO2 than leaves under both water conditions.
- Taxon
- ChickpeaCicer arietinumt0
- Organ / stage
- Pod walls and seedse0
- Outcome
- discriminated less against 13CO2e0
- Direction
- lesse0
- Qualifier
- in both WW and WS plantse0
- Comparator
- leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pod walls and seeds discriminated less against 13CO2 than did leaves in both WW and WS plants.”
t0“Water-stressed Chickpea”
Claim · model-written summary
The authors suggested pod isotope composition may more sensitively assess long-term water-stress impact than gas exchange rates.
- Taxon
- ChickpeaCicer arietinumt0
- Organ / stage
- podse0
- Outcome
- assessing the impact of water stress on long-term assimilatione0
- Direction
- more sensitivee0
- Comparator
- instantaneous measurement of gas exchange ratese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Measurement of carbon isotope composition in pods may be a more sensitive tool for assessing the impact of water stress on long-term assimilation than is the instantaneous measurement of gas exchange rates.”
t0“Water-stressed Chickpea”
The same questions in other papers
drought · physiology: photosynthesis · Cicer arietinum (chickpea)Results differ
14 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
15 papers more in this group
See all 19 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.