Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud
Improving crop water use efficiency, the amount of carbon assimilated as biomass per unit of water used by a plant, is of major importance as water for agriculture becomes scarcer. In rice, the genetic bases of transpiration efficiency, the derivation of water use efficiency at the whole-plant scale...
| Autores principales: | , , , , , , , , , , , , , , , , , |
|---|---|
| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Oxford University Press
2022
|
| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/126149 |
| _version_ | 1855543498999070720 |
|---|---|
| author | Affortit, P. Effa-Effa, B. Ndoye, M.S. Moukouanga, D. Luchaire, N. Cabrera-Bosquet, L. Perálvarez, M. Pilloni, R. Welcker, C. Champion, A. Gantet, P. Diedhiou, A.G. Manneh, B. Aroca, R. Vadez, Vincent Laplaze, L. Cubry, Philippe Grondin, A. |
| author_browse | Affortit, P. Aroca, R. Cabrera-Bosquet, L. Champion, A. Cubry, Philippe Diedhiou, A.G. Effa-Effa, B. Gantet, P. Grondin, A. Laplaze, L. Luchaire, N. Manneh, B. Moukouanga, D. Ndoye, M.S. Perálvarez, M. Pilloni, R. Vadez, Vincent Welcker, C. |
| author_facet | Affortit, P. Effa-Effa, B. Ndoye, M.S. Moukouanga, D. Luchaire, N. Cabrera-Bosquet, L. Perálvarez, M. Pilloni, R. Welcker, C. Champion, A. Gantet, P. Diedhiou, A.G. Manneh, B. Aroca, R. Vadez, Vincent Laplaze, L. Cubry, Philippe Grondin, A. |
| author_sort | Affortit, P. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Improving crop water use efficiency, the amount of carbon assimilated as biomass per unit of water used by a plant, is of major importance as water for agriculture becomes scarcer. In rice, the genetic bases of transpiration efficiency, the derivation of water use efficiency at the whole-plant scale, and its putative component trait transpiration restriction under high evaporative demand remain unknown. These traits were measured in 2019 in a panel of 147 African rice (Oryza glaberrima) genotypes known to be potential sources of tolerance genes to biotic and abiotic stresses. Our results reveal that higher transpiration efficiency is associated with transpiration restriction in African rice. Detailed measurements in a subset of highly contrasted genotypes in terms of biomass accumulation and transpiration confirmed these associations and suggested that root to shoot ratio played an important role in transpiration restriction. Genome wide association studies identified marker-trait associations for transpiration response to evaporative demand, transpiration efficiency, and its residuals, with links to genes involved in water transport and cell wall patterning. Our data suggest that root–shoot partitioning is an important component of transpiration restriction that has a positive effect on transpiration efficiency in African rice. Both traits are heritable and define targets for breeding rice with improved water use strategies |
| format | Journal Article |
| id | CGSpace126149 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | Oxford University Press |
| publisherStr | Oxford University Press |
| record_format | dspace |
| spelling | CGSpace1261492025-01-27T15:00:52Z Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud Affortit, P. Effa-Effa, B. Ndoye, M.S. Moukouanga, D. Luchaire, N. Cabrera-Bosquet, L. Perálvarez, M. Pilloni, R. Welcker, C. Champion, A. Gantet, P. Diedhiou, A.G. Manneh, B. Aroca, R. Vadez, Vincent Laplaze, L. Cubry, Philippe Grondin, A. roots rice transpiration Improving crop water use efficiency, the amount of carbon assimilated as biomass per unit of water used by a plant, is of major importance as water for agriculture becomes scarcer. In rice, the genetic bases of transpiration efficiency, the derivation of water use efficiency at the whole-plant scale, and its putative component trait transpiration restriction under high evaporative demand remain unknown. These traits were measured in 2019 in a panel of 147 African rice (Oryza glaberrima) genotypes known to be potential sources of tolerance genes to biotic and abiotic stresses. Our results reveal that higher transpiration efficiency is associated with transpiration restriction in African rice. Detailed measurements in a subset of highly contrasted genotypes in terms of biomass accumulation and transpiration confirmed these associations and suggested that root to shoot ratio played an important role in transpiration restriction. Genome wide association studies identified marker-trait associations for transpiration response to evaporative demand, transpiration efficiency, and its residuals, with links to genes involved in water transport and cell wall patterning. Our data suggest that root–shoot partitioning is an important component of transpiration restriction that has a positive effect on transpiration efficiency in African rice. Both traits are heritable and define targets for breeding rice with improved water use strategies 2022-09-03 2022-12-21T08:19:35Z 2022-12-21T08:19:35Z Journal Article https://hdl.handle.net/10568/126149 en Limited Access Oxford University Press Affortit, P., Effa-Effa, B., Ndoye, M.S., Moukouanga, D., Luchaire, N., Cabrera-Bosquet, L., Perálvarez, M., Pilloni, R., Welcker, C., Champion, A., Gantet, P., Diedhiou, A.G., Manneh, B., Aroca, R., Vadez, V., Laplaze, L., Cubry, P. and Grondin, A. 2022. Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud. Journal of Experimental Botany 73(15):5279–5293. |
| spellingShingle | roots rice transpiration Affortit, P. Effa-Effa, B. Ndoye, M.S. Moukouanga, D. Luchaire, N. Cabrera-Bosquet, L. Perálvarez, M. Pilloni, R. Welcker, C. Champion, A. Gantet, P. Diedhiou, A.G. Manneh, B. Aroca, R. Vadez, Vincent Laplaze, L. Cubry, Philippe Grondin, A. Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud |
| title | Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud |
| title_full | Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud |
| title_fullStr | Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud |
| title_full_unstemmed | Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud |
| title_short | Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud |
| title_sort | physiological and genetic control of transpiration efficiency in african rice oryza glaberrima steud |
| topic | roots rice transpiration |
| url | https://hdl.handle.net/10568/126149 |
| work_keys_str_mv | AT affortitp physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT effaeffab physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT ndoyems physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT moukouangad physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT luchairen physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT cabrerabosquetl physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT peralvarezm physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT pillonir physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT welckerc physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT championa physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT gantetp physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT diedhiouag physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT mannehb physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT arocar physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT vadezvincent physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT laplazel physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT cubryphilippe physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud AT grondina physiologicalandgeneticcontroloftranspirationefficiencyinafricanriceoryzaglaberrimasteud |