Effect of drought and low P on yield and nutritional content in common bean
Common bean (Phaseolus vulgaris L.) production in the tropics typically occurs in rainfed systems on marginal lands where yields are low, primarily as a consequence of drought and low phosphorus (P) availability in soil. This study aimed to investigate the physiological and chemical responses of 12...
| Autores principales: | , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
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Frontiers Media
2022
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| Acceso en línea: | https://hdl.handle.net/10568/127100 |
| _version_ | 1855543380582334464 |
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| author | Smith, Millicent R. Diglesan, Eric Veneklaas, Erik Jan Polania, Jose Rao, Idupulapati M. Beebe, Stephen E. Merchant, Andrew |
| author_browse | Beebe, Stephen E. Diglesan, Eric Merchant, Andrew Polania, Jose Rao, Idupulapati M. Smith, Millicent R. Veneklaas, Erik Jan |
| author_facet | Smith, Millicent R. Diglesan, Eric Veneklaas, Erik Jan Polania, Jose Rao, Idupulapati M. Beebe, Stephen E. Merchant, Andrew |
| author_sort | Smith, Millicent R. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Common bean (Phaseolus vulgaris L.) production in the tropics typically occurs in rainfed systems on marginal lands where yields are low, primarily as a consequence of drought and low phosphorus (P) availability in soil. This study aimed to investigate the physiological and chemical responses of 12 bush bean genotypes for adaptation to individual and combined stress factors of drought and low P availability. Water stress and P deficiency, both individually and combined, decreased seed weight and aboveground biomass by ∼80%. Water deficit and P deficiency decreased photosynthesis and stomatal conductance during plant development. Maximum rates of carboxylation, electron transport, and triose phosphate utilization were superior for two common bean genotypes (SEF60 and NCB226) that are better adapted to combined stress conditions of water deficit and low P compared to the commercial check (DOR390). In response to water deficit treatment, carbon isotope fractionation in the leaf tissue decreased at all developmental stages. Within the soluble leaf fraction, combined water deficit and low P, led to significant changes in the concentration of key nutrients and amino acids, whereas no impact was detected in the seed. Our results suggest that common bean genotypes have a degree of resilience in yield development, expressed in traits such as pod harvest index, and conservation of nutritional content in the seed. Further exploration of the chemical and physiological traits identified here will enhance the resilience of common bean production systems in the tropics. |
| format | Journal Article |
| id | CGSpace127100 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | Frontiers Media |
| publisherStr | Frontiers Media |
| record_format | dspace |
| spelling | CGSpace1271002025-12-08T10:29:22Z Effect of drought and low P on yield and nutritional content in common bean Smith, Millicent R. Diglesan, Eric Veneklaas, Erik Jan Polania, Jose Rao, Idupulapati M. Beebe, Stephen E. Merchant, Andrew abiotic stress legumes phaseolus phosphorus proteins water gas exchange isotypes carbon Common bean (Phaseolus vulgaris L.) production in the tropics typically occurs in rainfed systems on marginal lands where yields are low, primarily as a consequence of drought and low phosphorus (P) availability in soil. This study aimed to investigate the physiological and chemical responses of 12 bush bean genotypes for adaptation to individual and combined stress factors of drought and low P availability. Water stress and P deficiency, both individually and combined, decreased seed weight and aboveground biomass by ∼80%. Water deficit and P deficiency decreased photosynthesis and stomatal conductance during plant development. Maximum rates of carboxylation, electron transport, and triose phosphate utilization were superior for two common bean genotypes (SEF60 and NCB226) that are better adapted to combined stress conditions of water deficit and low P compared to the commercial check (DOR390). In response to water deficit treatment, carbon isotope fractionation in the leaf tissue decreased at all developmental stages. Within the soluble leaf fraction, combined water deficit and low P, led to significant changes in the concentration of key nutrients and amino acids, whereas no impact was detected in the seed. Our results suggest that common bean genotypes have a degree of resilience in yield development, expressed in traits such as pod harvest index, and conservation of nutritional content in the seed. Further exploration of the chemical and physiological traits identified here will enhance the resilience of common bean production systems in the tropics. 2022-03-29 2023-01-14T10:53:16Z 2023-01-14T10:53:16Z Journal Article https://hdl.handle.net/10568/127100 en Open Access application/pdf Frontiers Media Smith, M.R.; Dinglasan, E.; Veneklaas, E.; Polania, J.; Rao, I.M.; Beebe, S.E.; Merchant, A. (2022) Effect of drought and low P on yield and nutritional content in common bean. Frontiers in Plant Science 13:814325. ISSN: 1664-462X |
| spellingShingle | abiotic stress legumes phaseolus phosphorus proteins water gas exchange isotypes carbon Smith, Millicent R. Diglesan, Eric Veneklaas, Erik Jan Polania, Jose Rao, Idupulapati M. Beebe, Stephen E. Merchant, Andrew Effect of drought and low P on yield and nutritional content in common bean |
| title | Effect of drought and low P on yield and nutritional content in common bean |
| title_full | Effect of drought and low P on yield and nutritional content in common bean |
| title_fullStr | Effect of drought and low P on yield and nutritional content in common bean |
| title_full_unstemmed | Effect of drought and low P on yield and nutritional content in common bean |
| title_short | Effect of drought and low P on yield and nutritional content in common bean |
| title_sort | effect of drought and low p on yield and nutritional content in common bean |
| topic | abiotic stress legumes phaseolus phosphorus proteins water gas exchange isotypes carbon |
| url | https://hdl.handle.net/10568/127100 |
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