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Communication Dans Un Congrès Année : 2024

A participative and holistic approach to build sustainable vineyard management strategies and assess their environmental impacts

Résumé

Despite the various incentives to reduce pesticide use, the wine sector remains a high consumer of pesticides in France, in France to 20% of the total pesticide consumption for only 3% of the agricultural area (Aubertot et al., 2005). There are correspondingly high levels of air and water pollution in wine growing areas. Nevertheless in wine-growing areas, the use of pesticides and the resulting environmental contamination are changing little, despite the efforts made, particularly through the implementation of agri-environmental measures. The challenge is to seek and implement strategies for reducing pesticide use that guarantee a lesser impact on ecosystems and have a wide adoption capacity. In this paper, we present the scientific approach and main results of the Ripp-Viti research project, that has developed both a participative approach to co-build new management strategies at the scale of a wine-growing watershed and a new holistic modelling approach to assess the environmental and human pesticide risks due to vineyard management. The project was conducted as part of the research component of the national ECOPHYTO plan that aims at reducing pesticide use in France by 50% by 2025. To build new strategies that can be adopted by winegrowers, Ripp-Viti assumed that the strategies eed to spatially and temporally flexible to adapt the reduction in pesticide use according to the constraints specific to local environmental characteristics, farming structures and production objectives. The overall results of the project are as follows. The co-build strategies allow for a 39% reduction on average in the number of pesticide treatments at the watershed scale, demonstrating the capacity of the winegrowers to decrease their pesticide use. The estimated environmental impacts of the co-build strategies are significantly smaller than that of the actual management strategies but are still too large and suggest that further reductions in pesticide use are desirable.
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hal-04694438 , version 1 (11-09-2024)

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  • HAL Id : hal-04694438 , version 1

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Marc Voltz, Cécile Dagès, Laure Hossard, Aurélie Metay, Carole Bedos, et al.. A participative and holistic approach to build sustainable vineyard management strategies and assess their environmental impacts. XVII Symposium in Pesticide Chemistry - Advances and new challenges, Sep 2024, Piacenza, Italy. ⟨hal-04694438⟩
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