Abstract
Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage. Effect of this stress on leaf water potential ([psi]f), gas exchanges, foliar proline and starch contents, vitality index (SFI), canopy temperature, yield and its components was assessed during the pot culture and/or the field trial. In pot culture, water deficit increased significantly the proline content (from 0.35 to 1.96 mg g-1 DM in mean) of the five genotypes while gas exchanges and starch content decreased (respectively from 19 to 2.25 [mu]mol CO2 m-2 s-1 of net photosynthesis and from 61.28 to 17.47 mg g-1 DM in mean). SFI decreased significantly for the five genotypes. Gorom local, Mouride, KVX61-1 and TN88-63 decreased significantly their [psi]f (from -0.55 to -0.92 MPa in mean) while Bambey 21 maintained it (from -0.4 to -0.43 MPa). In field conditions, drought stopped gas exchanges of Gorom local, KVX61-1, Mouride and Bambey 21. KVX61-1 and Bambey 21 showed the highest decrease of SFI. The yield and its components were more affected for Bambey 21 (> 60%) which accumulated the lowest proline quantity (0.44 mg g-1 DM). Our results revealed that adaptative responses of genotypes to water deficit in greenhouse can be different from that in field. Furthermore, the effect of water deficit on the physiological and biochemical parameters could explain the agronomical responses notably in the field. (Texte intégral)
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Claims 12
Claim · model-written summary
Water deficit increased proline content of five cowpea genotypes in pot culture, from 0.35 to 1.96 mg g-1 DM on average.
- Taxon
- cowpea
Vigna unguiculatae0 - Material
- five genotypese1
- Organ / stage
- flowering stagee0
- Treatment
- water deficite1
- Outcome
- proline contente1
- Direction
- increasede1
- Value
- from 0.35 to 1.96 mg g-1 DMe1
- Setting
- pot culturee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e1“In pot culture, water deficit increased significantly the proline content (from 0.35 to 1.96 mg g-1 DM in mean) of the five genotypes”
Claim · model-written summary
Water deficit decreased gas exchanges (net photosynthesis from 19 to 2.25 umol CO2 m-2 s-1) in pot culture.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- water deficite0
- Outcome
- gas exchangese2
- Direction
- decreasede2
- Value
- from 19 to 2.25 [mu]mol CO2 m-2 s-1e2
- Setting
- pot culturee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e1“In pot culture, water deficit increased significantly the proline content (from 0.35 to 1.96 mg g-1 DM in mean) of the five genotypes”
e2“while gas exchanges and starch content decreased (respectively from 19 to 2.25 [mu]mol CO2 m-2 s-1 of net photosynthesis and from 61.28 to 17.47 mg g-1 DM in mean)”
Claim · model-written summary
Water deficit decreased starch content (from 61.28 to 17.47 mg g-1 DM) in pot culture.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- water deficite0
- Outcome
- starch contente2
- Direction
- decreasede2
- Value
- from 61.28 to 17.47 mg g-1 DMe2
- Setting
- pot culturee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e1“In pot culture, water deficit increased significantly the proline content (from 0.35 to 1.96 mg g-1 DM in mean) of the five genotypes”
e2“while gas exchanges and starch content decreased (respectively from 19 to 2.25 [mu]mol CO2 m-2 s-1 of net photosynthesis and from 61.28 to 17.47 mg g-1 DM in mean)”
Claim · model-written summary
Vitality index (SFI) decreased significantly under water deficit in all five cowpea genotypes.
- Taxon
- cowpeaVigna unguiculatae0
- Material
- five genotypese3
- Treatment
- water deficite0
- Outcome
- SFIe3
- Direction
- decreasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e3“SFI decreased significantly for the five genotypes”
Claim · model-written summary
Under water deficit, leaf water potential decreased significantly in Gorom local, Mouride, KVX61-1 and TN88-63, from -0.55 to -0.92 MPa on average.
- Taxon
- cowpeaVigna unguiculatae0
- Material
- Gorom local, Mouride, KVX61-1 and TN88-63e4
- Treatment
- water deficite0
- Outcome
- [psi]fe4
- Direction
- decreasede4
- Value
- from -0.55 to -0.92 MPae4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e4“Gorom local, Mouride, KVX61-1 and TN88-63 decreased significantly their [psi]f (from -0.55 to -0.92 MPa in mean) while Bambey 21 maintained it (from -0.4 to -0.43 MPa)”
Claim · model-written summary
Under water deficit, Bambey 21 maintained its leaf water potential (from -0.4 to -0.43 MPa), unlike the other four genotypes.
- Taxon
- cowpeaVigna unguiculatae0
- Material
- Bambey 21e4
- Treatment
- water deficite0
- Outcome
- [psi]fe4
- Direction
- maintainede4
- Value
- from -0.4 to -0.43 MPae4
- Comparator
- Gorom local, Mouride, KVX61-1 and TN88-63e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e4“Gorom local, Mouride, KVX61-1 and TN88-63 decreased significantly their [psi]f (from -0.55 to -0.92 MPa in mean) while Bambey 21 maintained it (from -0.4 to -0.43 MPa)”
Claim · model-written summary
In field conditions, drought stopped gas exchanges of Gorom local, KVX61-1, Mouride and Bambey 21.
- Taxon
- cowpeaVigna unguiculatae0
- Material
- Gorom local, KVX61-1, Mouride and Bambey 21e5
- Treatment
- droughte5
- Outcome
- gas exchangese5
- Direction
- stoppede5
- Setting
- In field conditionse5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e5“In field conditions, drought stopped gas exchanges of Gorom local, KVX61-1, Mouride and Bambey 21. KVX61-1 and Bambey 21 showed the highest decrease of SFI”
Claim · model-written summary
KVX61-1 and Bambey 21 showed the highest decrease in SFI under field drought.
- Taxon
- cowpeaVigna unguiculatae0
- Material
- KVX61-1 and Bambey 21e5
- Outcome
- SFIe5
- Direction
- highest decreasee5
- Setting
- field conditionse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e5“In field conditions, drought stopped gas exchanges of Gorom local, KVX61-1, Mouride and Bambey 21. KVX61-1 and Bambey 21 showed the highest decrease of SFI”
Claim · model-written summary
Water deficit affected yield and its components more in Bambey 21 (> 60%) than in the other genotypes.
- Taxon
- cowpeaVigna unguiculatae0
- Material
- Bambey 21e6
- Treatment
- water deficite0
- Outcome
- yield and its componentse6
- Direction
- more affectede6
- Value
- > 60%e6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e6“The yield and its components were more affected for Bambey 21 (> 60%) which accumulated the lowest proline quantity (0.44 mg g-1 DM)”
Claim · model-written summary
Bambey 21 accumulated the lowest proline quantity (0.44 mg g-1 DM) among the cowpea genotypes.
- Taxon
- cowpeaVigna unguiculatae0
- Material
- Bambey 21e6
- Outcome
- proline quantitye6
- Direction
- loweste6
- Value
- 0.44 mg g-1 DMe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e6“The yield and its components were more affected for Bambey 21 (> 60%) which accumulated the lowest proline quantity (0.44 mg g-1 DM)”
Claim · model-written summary
Adaptive responses of cowpea genotypes to water deficit in greenhouse can differ from those in the field.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- water deficite7
- Outcome
- adaptative responses of genotypese7
- Setting
- greenhousee7
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e7“Our results revealed that adaptative responses of genotypes to water deficit in greenhouse can be different from that in field”
Claim · model-written summary
Effects of water deficit on physiological and biochemical parameters could explain the agronomical responses of cowpea in the field.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- water deficite1
- Outcome
- agronomical responsese1
- Qualifier
- the effect of water deficit on the physiological and biochemical parameters could explaine1
- Setting
- in the fielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five genotypes of cowpea, Gorom local, KVX61-1, Mouride, Bambey 21 and TN88-63 differing in their susceptibility to water stress were experienced in greenhouse and field to study their agrophysiological and biochemical responses to water deficit at flowering stage”
e1“the effect of water deficit on the physiological and biochemical parameters could explain the agronomical responses notably in the field”
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