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Article Dans Une Revue (Article De Synthèse) Agronomy for Sustainable Development Année : 2014

Lettuce cropping with less pesticides. A review

Résumé

Agricultural intensification has increased crop productivity but decreased agroecosystem services. Agricultural intensification is occurring notably for horticultural crops such as lettuce. In conventional agriculture, lettuce protection is achieved mostly by preventive applications of pesticides with about eight treatments for a 60–90-day-long cycle in the Mediterranean region. However, new sustainable control strategies are needed due to pesticide impact on environment and human health, emerging pesticide resistance, and stricter policies on levels of pesticide residues in food. Here, we review knowledge and methods allowing to grow lettuce with less pesticides. Advances shown are based on pest ecology and pathogen control by the agroecosystem. The major points are as follows: (1) pest and pathogen community composition depends partly on climatic conditions. The identification of pests and pathogens that can threaten the crop is the first step to design innovative lettuce cropping systems less dependent on pesticides. (2) The numerous alternative techniques currently available should be combined to control lettuce pests and pathogens. The effects of alternative techniques on non-target organisms including non-target pests are poorly known so far. (3) Designing sustainable systems requires taking into account ecological interactions and suitability of different management techniques of low impact.
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Dates et versions

hal-01234783 , version 1 (27-11-2015)

Identifiants

Citer

Virginie Barrière, François Lecompte, Philippe C. Nicot, Brigitte Maisonneuve, Marc Tchamitchian, et al.. Lettuce cropping with less pesticides. A review. Agronomy for Sustainable Development, 2014, 34 (1), pp.175-198. ⟨10.1007/s13593-013-0158-5⟩. ⟨hal-01234783⟩
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