Report
Unlocking the power of gene banks: diversity in base growth temperature provides opportunities for climate-smart agriculture
| العنوان: | Unlocking the power of gene banks: diversity in base growth temperature provides opportunities for climate-smart agriculture |
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| المؤلفون: | Gambart, Clara, Wesemael, Jelle Van, Swennen, Rony, Tardieu, François, Carpentier, Sebastien |
| المساهمون: | Catholic University of Leuven = Katholieke Universiteit Leuven (KU Leuven), The Alliance of Bioversity International and International Center for Tropical Agriculture (CIAT) Belgique, Alliance of Bioversity International and the International Center for Tropical Agriculture (CIAT) Rome (Alliance), Consultative Group on International Agricultural Research CGIAR (CGIAR)-Consultative Group on International Agricultural Research CGIAR (CGIAR), International Institute of Tropical Agriculture (IITA Uganda), International Institute of Tropical Agriculture Nigeria (IITA), Écophysiologie des Plantes sous Stress environnementaux (LEPSE), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro Montpellier, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), PhD scholarship funded by the Belgian Development Cooperation project “More fruit for food security: developing climate-smart bananas for the African Great Lakes region”., CGIAR Fund (http://www.cgiar.org/who-we-are/cgiar-fund/fund-donors-2/), and in particular to the CGIAR Research Program Roots, Tubers and Bananas (RTB-CRP), ERA-Net transnational call European Research Projects LEAP Agri H2020 co-fund project on food & nutrition security & sustainable agriculture, with funding from national funding agencies for the Project “PHENOTYPING THE BANANA BIODIVERSITY TO IDENTIFY CLIMATE SMART VARIETIES WITH OPTIMALMARKET POTENTIAL IN AFRICA AND EUROPE |
| المصدر: | https://hal.inrae.fr/hal-04840648 ; 2024. |
| بيانات النشر: | CCSD |
| سنة النشر: | 2024 |
| مصطلحات موضوعية: | base temperature, canopy growth, climate-smart agriculture, food security, Growing degree days, genotypic diversity, [SDV.GEN.GPL]Life Sciences [q-bio]/Genetics/Plants genetics, [SDV.SA]Life Sciences [q-bio]/Agricultural sciences |
| الوصف: | Implementation of context-specific solutions, including cultivation of varieties adapted to current and future climatic conditions, were found to be effective in establishing resilient, climate-smart agricultural systems. Gene banks play a pivotal role in this. However, a large fraction of the collections remains neither genotyped nor phenotyped. Hypothesising that significant genotypic diversity in Musa temperature responses exists, this study aimed to assess the diversity in the world’s largest banana gene bank in terms of base temperature (T base ) and to evaluate its impact on plant performance in the East African highlands during a projected climate scenario. 116 gene bank accessions were evaluated in the BananaTainer, a tailor-made high throughput phenotyping installation. Plant growth was quantified in response to temperature and genotype-specific T base were modelled. Growth response of two genotypes was validated under greenhouse conditions, and gas exchange capacity measurements were made. The model revealed genotype-specific T base , with 30 % of the accessions showing a T base below the reference of 14 °C. The Mutika/Lujugira subgroup, endemic to the East African highlands, appeared to display a low T base , although within subgroup diversity was revealed. Greenhouse validation further showed low T sensitivity/tolerance to be related to the photosynthetic capacity. This study, therefore, significantly advances the debate of within species diversity in temperature growth responses, while at the same time unlocking the power of gene banks. Moreover, we provide a high throughput method to reveal the existing genotypic diversity in temperature responses, paving the way for future research to establish climate-smart varieties. |
| نوع الوثيقة: | report |
| اللغة: | English |
| Relation: | BIORXIV: 2024.11.07.622441 |
| DOI: | 10.1101/2024.11.07.622441 |
| الاتاحة: | https://hal.inrae.fr/hal-04840648 https://doi.org/10.1101/2024.11.07.622441 |
| Rights: | http://creativecommons.org/licenses/by-nc-nd/ |
| رقم الانضمام: | edsbas.4A1277EA |
| قاعدة البيانات: | BASE |
| DOI: | 10.1101/2024.11.07.622441 |
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