Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivar
Climate change is expected to increase soil salinity and heat-wave intensity, duration, and frequency. These stresses, often present in combination, threaten food security as most common crops do not tolerate them. The African eggplant (Solanum aethiopicum L.) is a nutritious traditional crop found...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2024-02-01
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| Series: | Frontiers in Plant Science |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fpls.2024.1323665/full |
| _version_ | 1797294797260587008 |
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| author | Noémie David-Rogeat Noémie David-Rogeat Martin R. Broadley Martin R. Broadley Eleftheria Stavridou |
| author_facet | Noémie David-Rogeat Noémie David-Rogeat Martin R. Broadley Martin R. Broadley Eleftheria Stavridou |
| author_sort | Noémie David-Rogeat |
| collection | DOAJ |
| description | Climate change is expected to increase soil salinity and heat-wave intensity, duration, and frequency. These stresses, often present in combination, threaten food security as most common crops do not tolerate them. The African eggplant (Solanum aethiopicum L.) is a nutritious traditional crop found in sub-Saharan Africa and adapted to local environments. Its wider use is, however, hindered by the lack of research on its tolerance. This project aimed to describe the effects of salinity (100 mM NaCl solution) combined with elevated temperatures (27/21°C, 37/31°C, and 42/36°C). High temperatures reduced leaf biomass while cell membrane stability was reduced by salinity. Chlorophyll levels were boosted by salinity only at the start of the stress with only the different temperatures significantly impacted the levels at the end of the experiment. Other fluorescence parameters such as maximum quantum yield and non-photochemical quenching were only affected by the temperature change. Total antioxidants were unchanged by either stress despite a decrease of phenols at the highest temperature. Leaf sodium concentration was highly increased by salinity but phosphorus and calcium were unchanged by this stress. These findings shed new light on the tolerance mechanisms of the African eggplant under salinity and heat. Further research on later developmental stages is needed to understand its potential in the field in areas affected by these abiotic stresses. |
| first_indexed | 2024-03-07T21:36:35Z |
| format | Article |
| id | doaj.art-6a9551066be1462980303e16546dda66 |
| institution | Directory Open Access Journal |
| issn | 1664-462X |
| language | English |
| last_indexed | 2024-03-07T21:36:35Z |
| publishDate | 2024-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Plant Science |
| spelling | doaj.art-6a9551066be1462980303e16546dda662024-02-26T12:13:14ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2024-02-011510.3389/fpls.2024.13236651323665Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivarNoémie David-Rogeat0Noémie David-Rogeat1Martin R. Broadley2Martin R. Broadley3Eleftheria Stavridou4Department of Plant Sciences, School of Biosciences, University of Nottingham, Nottingham, United KingdomCrop Science and Production Systems, NIAB, Kent, United KingdomDepartment of Plant Sciences, School of Biosciences, University of Nottingham, Nottingham, United KingdomRothamsted Research, Harpenden, United KingdomCrop Science and Production Systems, NIAB, Kent, United KingdomClimate change is expected to increase soil salinity and heat-wave intensity, duration, and frequency. These stresses, often present in combination, threaten food security as most common crops do not tolerate them. The African eggplant (Solanum aethiopicum L.) is a nutritious traditional crop found in sub-Saharan Africa and adapted to local environments. Its wider use is, however, hindered by the lack of research on its tolerance. This project aimed to describe the effects of salinity (100 mM NaCl solution) combined with elevated temperatures (27/21°C, 37/31°C, and 42/36°C). High temperatures reduced leaf biomass while cell membrane stability was reduced by salinity. Chlorophyll levels were boosted by salinity only at the start of the stress with only the different temperatures significantly impacted the levels at the end of the experiment. Other fluorescence parameters such as maximum quantum yield and non-photochemical quenching were only affected by the temperature change. Total antioxidants were unchanged by either stress despite a decrease of phenols at the highest temperature. Leaf sodium concentration was highly increased by salinity but phosphorus and calcium were unchanged by this stress. These findings shed new light on the tolerance mechanisms of the African eggplant under salinity and heat. Further research on later developmental stages is needed to understand its potential in the field in areas affected by these abiotic stresses.https://www.frontiersin.org/articles/10.3389/fpls.2024.1323665/fullSolanum aethiopicumsalinityheat-wavestomatal conductanceantioxidants |
| spellingShingle | Noémie David-Rogeat Noémie David-Rogeat Martin R. Broadley Martin R. Broadley Eleftheria Stavridou Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivar Frontiers in Plant Science Solanum aethiopicum salinity heat-wave stomatal conductance antioxidants |
| title | Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivar |
| title_full | Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivar |
| title_fullStr | Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivar |
| title_full_unstemmed | Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivar |
| title_short | Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivar |
| title_sort | heat and salinity stress on the african eggplant f1 djamba a kumba cultivar |
| topic | Solanum aethiopicum salinity heat-wave stomatal conductance antioxidants |
| url | https://www.frontiersin.org/articles/10.3389/fpls.2024.1323665/full |
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