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Using the plant diversity of agricultural areas
to promote the natural regulation of pests and protect crops
Restitution conference of collective scientific assessment
OCTOBER 20, 2022 / PIERRE & MARIE CURIE CAMPUS AUDITORIUM
SORBONNE UNIVERSITÉ. PLACE JUSSIEU. 75005 PARIS
Using plant diversity in agricultural fields and landscapes to promote the natural regulation of pests and protect crops
The summary (pdf file) is available here
In addition to the Collective Scientific assessment on the ecotoxicological impacts of pesticides, which conclusions were presented in May, the Ecophyto2+ plan financed the implementation of a second assessment on crop protection strategies based on plant diversification in agricultural areas.
INRAE has thus carried out a synthesis of the available scientific knowledge to assess to what extent the diversity of vegetation present in plots and agricultural landscapes can contribute to the natural regulation of pests and thus constitute an alternative management lever to the currently major methods based on the use of synthetic pesticides.
At the plot level, the assessment analysed the effects of the choice and method of implantation of species and varieties by the farmer (varietal or species mixtures, grass strips, service plants, etc.) as well as the temporal dynamics of these plant covers (rotations). At the landscape level, the effects of the composition and configuration of the total vegetation were considered, whether it was the cultivated portion (rotation, size and shape of plots) or semi-natural (nature and connectivity of agroecological infrastructures located around the plots – such as hedges or edges – or forming islands in the landscape – wood, permanent grassland, etc.).
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October 20, 2022 -
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