Claim · model-written summary
Water stress reduced stomatal conductance and net photosynthetic rate in both chickpea genotypes.
- Taxon
- Cicer arietinum
Cicer arietinume1 - Material
- ChK 3226 and ILC 3279e1
- Treatment
- Water stress (S1, RWC around 55-50%; S2, RWC ≤ 40%)e2
- Outcome
- stomatal conductance (g s) and net photosynthetic rate (P N)e2
- Direction
- drastically reducede2
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Drought was induced in chickpea (Cicer arietinum L.) genotypes (ChK 3226 and ILC 3279) differing in yield capacity”
e2“Water stress (S1, RWC around 55-50%; S2, RWC ≤ 40%) drastically reduced stomatal conductance (g s) and net photosynthetic rate (P N) in both genotypes”
Title
M. C. Matos; P. S. Campos; J. A. Passarinho; et al. Photosynthetica 2010. doi:10.1007/s11099-010-0038-z
Other claims from this paper (19)
- Intervention effect ILC 3279 showed greater decreases in photosynthetic capacity (A max) under water stress.
- Intervention effect Fv/Fm and qP showed stability in both chickpea genotypes under stress.
- Intervention effect Total chlorophyll and carotenoid contents showed stability in both chickpea genotypes under stress.
- Intervention effect In S2, ILC 3279 showed an increase in basal fluorescence (F0) relative to ChK 3226.
- Intervention effect In S2, ILC 3279 showed a greater reduction in quantum yield of linear electron transport than ChK 3226.
- Intervention effect Membrane damage occurred earlier and was greater in ILC 3279 under drought.
- Intervention effect Total fatty acids decreased along drought in ILC 3279.
- Intervention effect ChK 3226 had greater total fatty acid amounts in S1.
- Intervention effect After rehydration, P N of ILC 3279 in S1 completely recovered to control.
- Intervention effect After rehydration, P N of ChK 3226 in S1 remained slightly below control.
- Intervention effect Under S2, ILC 3279 showed stronger P N and g s reductions than ChK 3226.
- Intervention effect Both chickpea genotypes totally recovered maximum photosynthetic capacity (A max) and chlorophyll a fluorescence after rehydration.
- Intervention effect ChK 3226 recovered more efficiently from membrane damage than ILC 3279.
- Observation Under control conditions, ChK 3226 had greater amounts of most soluble metabolites.
- Intervention effect Malate and citrate decreased under S2 in both chickpea genotypes.
- Intervention effect Sucrose and pinitol increased in ILC 3279 under S1 and S2.
- Intervention effect Sucrose and pinitol decreased in ChK 3226 under S2.
- Observation Root dry mass was higher in ChK 3226 than in ILC 3279 in control plants.
- Intervention effect Drought reduced root and shoot dry mass of ChK 3226 already under S1.