Claim · model-written summary
Internal net photosynthesis of pods was similar in well-watered and water-stressed chickpea plants
- Taxon
- chickpea
Cicer arietinume0 - Treatment
- WS podse5
- Outcome
- internal net photosynthesise5
- Direction
- no_changeinferrede5
- Comparator
- WWe5
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Terminal drought markedly reduces leaf photosynthesis of chickpea (Cicer arietinum L.) during seed filling”
e5“Both the WW and WS pods had similar values of internal net photosynthesis, but the WS pods showed significantly higher rates of respiration”
Title
Qifu Ma; M.H. Behboudian; Neil C. Turner; et al. Journal of Experimental Botany 2001. doi:10.1093/jexbot/52.354.123
Other claims from this paper (10)
- Intervention effect Terminal drought markedly reduced leaf photosynthesis of chickpea during seed filling
- Intervention effect Subtending leaf net photosynthesis of 10-day-old pods was lower under water stress than in well-watered plants (24 vs 6 micromol m(-2) s(-1))
- Association Leaf photosynthesis decreased further to 4.5 and 0.5 micromol m(-2) s(-1) as water potential fell to -2.3 and -3.3 MPa
- Intervention effect Net photosynthesis of 10-day-old pods was lower under water stress (0.9-1.0 vs -0.1 to -0.8 micromol m(-2) s(-1))
- Association Photosynthetic rates of pods and subtending leaves decreased with age in chickpea
- Association Transpiration rate of pods increased with age in chickpea
- Intervention effect Water-stressed pods had significantly higher respiration rates than well-watered pods
- Observation Nearly 80% of injected 13CO2 carbon was recovered in the pod wall 24 h after injection
- Observation The proportion of 13C in chickpea seeds increased from 19% to 32% after 144 h
- Mechanism Internal CO2 recycling in the pod may help maintain seed filling in water-stressed chickpea