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Protection intégrée des cultures maraîchères sous serre: expérience et atouts pour un contexte en évolution

Abstract : Greenhouses have a micro-climate that is more humid and warmer than the outside environment. These conditions are particularly conducive to development of a variety of plant pests. in this agrosystem, plant health management has relied for many years on combinations of diverse control methods directed at various pests. This approach (initially referred to as "integrated control") has followed the general conceptual evolution of other agrosystems, and the terms "integrated (and biological) protection", "integrated production", and in France "Agriculture raisonnee", have been increasingly associated with greenhouse vegetable production. However, is it possible for similar development to take place at a practical level, considering the increasingly competitive economic situation and an increasingly complex production scheme? While chemical control has become increasingly difficult, the array of alternative control methods against various pests and pathogens of greenhouse crops has progressively broadened. However, the coordinated deployment of this arsenal in the context of integrated protection (taking into account all plant health constraints in the greenhouse) remains largely empirical and still lacks robustness in confronting a variety of disturbances within the system (emergence of new pests, evolution of legal or economic and social constraints). Furthermore, several studies on durability suggest that in the same way chemical control and the deployment of resistant varieties suffers diminishing effect with recurrent use, other control methods (biological, physical) could also lose their effectiveness against particularly variable plant pests or pathogens. In a perspective of durable development, for which greenhouse production has specific advantages, research should be focused on Integrated Production to take as many of the constraints into account in the production system as possible. Such a multidisciplinary approach represents a challenge that a consortium of Inra (Institut national de la recherche agronomique) and University research teams, together with groups representing growers' associations, has taken up within the framework of the French national program "Agriculture and Sustainable Development".
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Philippe C. Nicot. Protection intégrée des cultures maraîchères sous serre: expérience et atouts pour un contexte en évolution. Cahiers Agricultures, EDP Sciences, 2008, 17 (1), pp.45-49. ⟨10.1684/agr.2008.0155⟩. ⟨hal-02666817⟩



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