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24, chemin de Borde Rouge -Auzeville - CS52627 31326 Castanet Tolosan cedex - France

Last update: May 2021

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MicMac Design Project

MicMac-Design Project

Work-package 3

Using inter- and intra-specific diversity in integrated crop production: generic approach and application to mono- and bispecific crop stands

WP3 is devoted to phenotyping of genotypes adapted to low input farming with single crops or intercrops.

Indeed, the change towards sustainable agriculture (environmental concerns, low-input specifications, grain quality requirements) leads to a diversification of varietal demand (from farmers, cooperatives, food industries) and varietal offer (from seed companies) characterized by more genotypic tolerance to biotic (diseases) and abiotic (water, nitrogen) stresses.

In addition, according to ICP principles, genotype (G) x environment (E) x Crop Management (M) interactions could be exploited fully in order to reduce significantly the application of water, fertilizers and pesticides. In conventional agriculture, varietal choice refers only to monospecific canopies.

Under low-input agriculture, bispecific stands (intercropping) might develop in the near future in order to optimize the use of natural resources (light, water, nitrogen) and reduce the application of pesticides.

The work-package 3 includes the following four tasks:

- WP3.1: Reviewing the methods available for phenotyping a great number of genotypes

- WP3.2:Drought tolerance and avoidance in sunflower

- WP3.3: Use of cereal and legumes crop intercrops

- WP3.4:Evaluation of sunflower-soybean crop mixture

WP3 coordinator:

Philippe Debaeke (UMR AGIR, INRA Toulouse)
Philippe Debaeke