Genetic-environment interactions and climatic variables effect on bean physical characteristics and chemical composition of Coffea arabica

Sarzynski Thuan, Bertrand Benoît, Rigal Clément, Marraccini Pierre, Vaast Philippe, Georget Frederic, Campa Claudine, Abdallah Cécile, Nguyen Thi Quynh Chang, Nguyen Hung Phi, Nguyen Hai Thy Thanh, Ngoc Quyen Luu, Ngan Giang Khong, Viet Thang Vu, Navarini Luciano, Lonzarich Valentina, Bossolasco Laurent, Etienne Hervé. 2023. Genetic-environment interactions and climatic variables effect on bean physical characteristics and chemical composition of Coffea arabica. Journal of the Science of Food and Agriculture, 103 : 4692-4703.

https://doi.org/10.1002/jsfa.12544

Article de revue ; Article de recherche ; Article de revue à facteur d'impact

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Résumé : BACKGROUND: The effects of the environment and genotype in the coffee bean chemical composition were studied using nine trials covering an altitudinal gradient [600–1100 m above sea level (a.s.l.)] with three genotypes of Coffea arabica in the northwest mountainous region of Vietnam. The impacts of the climatic conditions on bean physical characteristics and chemical composition were assessed. RESULTS: We showed that the environment had a significant effect on the bean density and on all bean chemical compounds. The environment effect was stronger than the genotype and genotype-environment interaction effects for cafestol, kahweol, arachidic (C20:0), behenic acid (C22:0), 2,3-butanediol, 2-methyl-2-buten-1-ol, benzaldehyde, benzene ethanol, butyrolactone, decane, dodecane, ethanol, pentanoic acid, and phenylacetaldehyde bean content. A 2 °C increase in temperature had more influence on bean chemical compounds than a 100 mm increase in soil water content. Temperature was positively correlated with lipids and volatile compounds. With an innovative method using iterative moving averages, we showed that correlation of temperature, vapour pressure deficit (VPD) and rainfall with lipids and volatiles was higher between the 10th and 20th weeks after flowering highlighting this period as crucial for the synthesis of these chemicals. Genotype specific responses were evidenced and could be considered in future breeding programmes to maintain coffee beverage quality in the midst of climate change. CONCLUSION: This first study of the effect of the genotype–environment interactions on chemical compounds enhances our understanding of the sensitivity of coffee quality to genotype environment interactions during bean development. This work addresses the growing concern of the effect of climate change on speciality crops and more specifically coffee. © 2023 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

Mots-clés Agrovoc : Coffea arabica, intéraction génotype environnement, composition chimique, fève de café, benzaldéhyde, génotype, Coffea, composé volatil, changement climatique

Mots-clés libres : Coffea arabica, Abiotic stresses, Hybrids, Composes organiques volatiles, Qualité de grain

Classification Agris : Q04 - Composition des produits alimentaires
F30 - Génétique et amélioration des plantes

Champ stratégique Cirad : CTS 3 (2019-) - Systèmes alimentaires

Agences de financement européennes : European Commission

Agences de financement hors UE : Agence Nationale de la Recherche

Programme de financement européen : H2020

Projets sur financement : (FRA) Développement d'une infrastructure française distribuée pour la métabolomique dédiée à l'innovation, (EU) BREEDing Coffee for AgroForestry Systems

Auteurs et affiliations