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Joint Research Unit 1095 Genetics, Diversity and Ecophysiology of Cereals

In-the-Field Experimentation

Domaine de Crouël Overview

To ensure its mission, this platform uses:
  • the Crouël experimental property (created in 1931) of 100 ha (247.1 Acres) in the Limagne Plain. A supplementary 8 ha (19.77 Acres) on the Theix site (at an altitude of 800 m/2,624.7 ft) for the experimentation with many species in semi-mountainous (800m/2,625 f) conditions. This site is highly sought after for tests of resistance to cold.

  • 2,312 m2 (24,897.13 ft2) of building space (sheds, workshops, offices, conference rooms), the necessary equipment for field experimentation (precision seed drills, mini-harvester with on-board weighing) and agricultural equipment for homogenization crops.

The ISAMARGE software manages the parcel, equipment, fertilization, crop rotation and inventory management operations for perfect growing operation traceability.

Main activities

Experimentation at the Crouël Site

Expérimentations sur le site de Crouelle

The species involved in the units programs are wheat, triticale and sunflowers. The platform includes a large nursery to reproduce cereal genetic resources and perform varietal testing in view of adding varieties to the official catalog. It’s open to the other DGAP (Plant Breeding and Genetics Department) units for network testing as well as to the Clermont-Theix Center units. It is also used for Agri-Obtentions seed production or testing as space becomes available.

Experimentation at the Theix Site

Expérimentations sur le site de Theix

Experimentation on intermediate-altitude-adapted species is performed in this site. Affected species are:
  • forage plants and triticales for official catalog (CTPS) registration testing;

  • triticales for varietal creation programs, inter-station testing, isolations;

  • protein peas for performance testing, mainly evaluations of resistance to cold.

Every three years a significant forage collection is sown. This allows for supplemental data, associations and combinations of newly-registered varieties, their (leguminous grasses), and serves as a support, for the numerous visits.
Homogenization Crops

Cultures d'homogénéisation

These crops (programmed into the general crop rotation of the property) homogenize the soil between experiments. They are essential to the restoration of good soil structure, as well as the uniformity of the fertilizer components (and the preparation of the land for new experiments), according to the demands of their protocols.


Véhicules en réparation dans l'atelier

We have two workshops for the management and maintenance of light vehicles, the upkeep and repair of agricultural and experimental equipment and maintaining the precision seed drills. We are able to have a fleet of vehicles in good condition to transport personnel and for rapid repairs in case of experimental equipment failure.