Accounting for the impact of genotype and environment on variation in leaf respiration of wheat in Mexico and Australia
An approach to improving radiation use efficiency (RUE) in wheat is to screen for variability in rates of leaf respiration in darkness (R dark). We used a high-throughput system to quantify variation in R dark among a diverse range of spring wheat genotypes (301 lines) grown in two countries (Mexico...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Oxford University Press
2025
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/179089 |
| _version_ | 1855540951343169536 |
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| author | Gaju, Oorbessy Bloomfield, Keith J. Negrini, Anna C.A. Bowerman, Andrew Cullerne, Darren Posch, Bradley Cooper Bryant, Callum J. Fan, Yuzhen Spence, Matthew A. Stone, Bethany Gilliham, Matthew Furbank, Robert Molero, Gemma Pogson, Barry Mathews, Ky Millar, Alan Harvey Pearson, Allison Reynolds, Matthew Paul Stroeher, Elke Taylor, Nicolas Turnbull, Matthew Hamish Atkin, Owen K. |
| author_browse | Atkin, Owen K. Bloomfield, Keith J. Bowerman, Andrew Bryant, Callum J. Cullerne, Darren Fan, Yuzhen Furbank, Robert Gaju, Oorbessy Gilliham, Matthew Mathews, Ky Millar, Alan Harvey Molero, Gemma Negrini, Anna C.A. Pearson, Allison Pogson, Barry Posch, Bradley Cooper Reynolds, Matthew Paul Spence, Matthew A. Stone, Bethany Stroeher, Elke Taylor, Nicolas Turnbull, Matthew Hamish |
| author_facet | Gaju, Oorbessy Bloomfield, Keith J. Negrini, Anna C.A. Bowerman, Andrew Cullerne, Darren Posch, Bradley Cooper Bryant, Callum J. Fan, Yuzhen Spence, Matthew A. Stone, Bethany Gilliham, Matthew Furbank, Robert Molero, Gemma Pogson, Barry Mathews, Ky Millar, Alan Harvey Pearson, Allison Reynolds, Matthew Paul Stroeher, Elke Taylor, Nicolas Turnbull, Matthew Hamish Atkin, Owen K. |
| author_sort | Gaju, Oorbessy |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | An approach to improving radiation use efficiency (RUE) in wheat is to screen for variability in rates of leaf respiration in darkness (R dark). We used a high-throughput system to quantify variation in R dark among a diverse range of spring wheat genotypes (301 lines) grown in two countries (Mexico and Australia) and two seasons (2017 and 2018), and in doing so quantify the relative importance of genotype (G) and environment (E) in influencing variations in leaf R dark. Through careful design, residual (unexplained) variation represented <10% of the total observed. Up to a third of the variation in R dark (and related traits) was under genetic control. This suggests opportunities for breeders to use R dark as a novel selection tool. In addition, E accounted for more than half of the total variation in area-based rates of R dark. Here, the day of measurement was crucial, suggesting that day-to-day variations in the environment influence rates of R dark measured at a common temperature. Overall, this study provides new insights into the role G and E play in determining variation in rates of leaf R dark of one of the most important cereal crops, with implications for future improvements in carbon use efficiency and yield. |
| format | Journal Article |
| id | CGSpace179089 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Oxford University Press |
| publisherStr | Oxford University Press |
| record_format | dspace |
| spelling | CGSpace1790892026-01-21T19:18:18Z Accounting for the impact of genotype and environment on variation in leaf respiration of wheat in Mexico and Australia Gaju, Oorbessy Bloomfield, Keith J. Negrini, Anna C.A. Bowerman, Andrew Cullerne, Darren Posch, Bradley Cooper Bryant, Callum J. Fan, Yuzhen Spence, Matthew A. Stone, Bethany Gilliham, Matthew Furbank, Robert Molero, Gemma Pogson, Barry Mathews, Ky Millar, Alan Harvey Pearson, Allison Reynolds, Matthew Paul Stroeher, Elke Taylor, Nicolas Turnbull, Matthew Hamish Atkin, Owen K. environment genotypes respiration selection wheat An approach to improving radiation use efficiency (RUE) in wheat is to screen for variability in rates of leaf respiration in darkness (R dark). We used a high-throughput system to quantify variation in R dark among a diverse range of spring wheat genotypes (301 lines) grown in two countries (Mexico and Australia) and two seasons (2017 and 2018), and in doing so quantify the relative importance of genotype (G) and environment (E) in influencing variations in leaf R dark. Through careful design, residual (unexplained) variation represented <10% of the total observed. Up to a third of the variation in R dark (and related traits) was under genetic control. This suggests opportunities for breeders to use R dark as a novel selection tool. In addition, E accounted for more than half of the total variation in area-based rates of R dark. Here, the day of measurement was crucial, suggesting that day-to-day variations in the environment influence rates of R dark measured at a common temperature. Overall, this study provides new insights into the role G and E play in determining variation in rates of leaf R dark of one of the most important cereal crops, with implications for future improvements in carbon use efficiency and yield. 2025-02-25 2025-12-19T21:22:43Z 2025-12-19T21:22:43Z Journal Article https://hdl.handle.net/10568/179089 en Open Access application/pdf Oxford University Press Gaju, O., Bloomfield, K. J., Negrini, A. C. A., Bowerman, A. F., Cullerne, D., Posch, B. C., Bryant, C., Fan, Y., Spence, M., Stone, B., Gilliham, M., Furbank, R. T., Molero, G., Pogson, B. J., Mathews, K., Millar, A. H., Pearson, A. L., Reynolds, M. P., Stroeher, E., . . . Atkin, O. K. (2025). Accounting for the impact of genotype and environment on variation in leaf respiration of wheat in Mexico and Australia. Journal of Experimental Botany, 76(4), 1099–1115. https://doi.org/10.1093/jxb/erae449 |
| spellingShingle | environment genotypes respiration selection wheat Gaju, Oorbessy Bloomfield, Keith J. Negrini, Anna C.A. Bowerman, Andrew Cullerne, Darren Posch, Bradley Cooper Bryant, Callum J. Fan, Yuzhen Spence, Matthew A. Stone, Bethany Gilliham, Matthew Furbank, Robert Molero, Gemma Pogson, Barry Mathews, Ky Millar, Alan Harvey Pearson, Allison Reynolds, Matthew Paul Stroeher, Elke Taylor, Nicolas Turnbull, Matthew Hamish Atkin, Owen K. Accounting for the impact of genotype and environment on variation in leaf respiration of wheat in Mexico and Australia |
| title | Accounting for the impact of genotype and environment on variation in leaf respiration of wheat in Mexico and Australia |
| title_full | Accounting for the impact of genotype and environment on variation in leaf respiration of wheat in Mexico and Australia |
| title_fullStr | Accounting for the impact of genotype and environment on variation in leaf respiration of wheat in Mexico and Australia |
| title_full_unstemmed | Accounting for the impact of genotype and environment on variation in leaf respiration of wheat in Mexico and Australia |
| title_short | Accounting for the impact of genotype and environment on variation in leaf respiration of wheat in Mexico and Australia |
| title_sort | accounting for the impact of genotype and environment on variation in leaf respiration of wheat in mexico and australia |
| topic | environment genotypes respiration selection wheat |
| url | https://hdl.handle.net/10568/179089 |
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