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Functional agrobiodiversity and agroecosystem services in sustainable wheat production. A review

Costanzo, Ambrogio and Bàrberi, Paolo (2014) Functional agrobiodiversity and agroecosystem services in sustainable wheat production. A review. Agronomy for Sustainable Development, pp. 327-348.

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Document available online at: https://hal.archives-ouvertes.fr/hal-01234799


Agrobiodiversity can improve the sustainability of cropping systems in a context of low external inputs and unpredictable climate change. Agrobiodiversity strategies to grow wheat are breeding ad hoc cultivars for organic and low-input systems, wheat–legume intercrops and living mulches, cultivar mixtures, and the use of genetically heterogeneous populations. However, applying those strategies can fail due the lack of a well-focused framework. Therefore, we need a better integration between breeding and management and a clear focus on crop traits related to key agroecosystem services. Here, we review the use of agrobiodiversity in wheat production, focusing on breeding and management. We discuss five agroecosystem services: (1) weed reduction, (2) nitrogen use efficiency, (3) abiotic stress tolerance, (4) disease and pest reduction and (5) yield and yield stability. We categorise agrobiodiversity into functional identity, functional composition, and functional diversity, in order to link crop traits to agroecosystem services. Linking crop traits to agroecosystem services could in turn lead to concrete options for farmers and policy. We discuss the relations between crop identity and crop heterogeneity. We also discuss the partitioning of crop heterogeneity between functional composition and functional diversity.

EPrint Type:Journal paper
Keywords:Agroecosystem service (en), Breeding (en), Composite cross population (en), Cultivar mixture (en), Evolutionary breeding (en), Intercropping (en), Living mulch (en), Low input (en), Organic farming (en), Trait (en)
Subjects:"Organics" in general
Research affiliation: France > INRAe - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement
ISSN:ISSN: 1774-0746
Related Links:https://hal.archives-ouvertes.fr/hal-01234799/document
Project ID:HAL-INRAe
Deposited By: PENVERN, Servane
ID Code:41600
Deposited On:12 Aug 2021 10:37
Last Modified:12 Aug 2021 10:37
Document Language:English

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