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

Last update: May 2021

Menu Logo Principal Institut Agro Rennes Angers Rennes 1 University Logo Igepp

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Pea MUlti-STress adaptation and biological regulations for yield improvement and stability

 Pea Must


Context and Issues

  • Develop novel pea varieties and optimize plant-symbiotic interactions for stabilizing seed yield and quality, in the context of pesticide reduction and climate change
  • Enhance national and international research and competitiveness of the French breeders and pea production


  • Undertake a program of genomic selection targeted to low-input cropping systems
  • Discover molecular determinants of disease, insect and frost partial resistance in pea and faba bean
  • Investigate the potential of architecture and plant-symbiote interactions in breeding for multiple stress tolerance
  • Provide enhanced platforms for gene validation in pea
  • Devise best breeding strategies towards optimized yield and stress tolerance


  • Federate actors gathering various complementary competencies (quantitative genetics, breeding, genomics, biochemistry, biotechnology, plant /pathogen, pests and symbiots interactions, agronomy, socio-economy)
  • Use associated phenotyping platforms (PPHD Dijon, DIAPHEN Montpellier, UE Epoisses, UE Le Rheu, UE Mons, UE Clermont-Theix, UE Lusignan, UE Toulouse, SNES) and national sequencing and genotyping platforms (GENOTOUL, GENTYANE, GENOSCOPE)

Main Results

  • Acquire original basic knowledge on the genetic control of multiple stress tolerance (QTL cloning, impact of plant architecture, phenology and symbiotic interactions on multiple-stress tolerance)
  • Develop unique tools for gene identification: high throughput sequence-based genotyping, translational genomic tools, association genetics panels, TILLING and VIGS platforms, user-friendly databases
  • Develop enhanced breeding methods and lines, optimizing yield under varying stress conditions


The PeaMUST project combines 26 public and private partners.

AgroEcologie, INRA-AgroSupDijon

Agronomie, INRA – AgroParisTech

IGEPP, INRA – Agrocampus-Ouest – Univ. Rennes1

BIOPI, Université Picardie Jules Verne

GAEL, Université Pierre Mendès France

IBP, CNRS-Université Paris Sud, Orsay

IJPB, INRA – AgroParisTech

LIPM, INRA – CNRS Toulouse

LSTM, IRD Montpellier

PISC, INRA Versailles

SADV, INRA-Université Lille1

URGI, INRA – Université Evry Val d’Essonne

URGV, INRA Toulouse


ARVALIS – Institut du végétal












Funding and Support

ANR (Agence Nationale de la Recherche),

CGI (Commissariat Général aux Investissements),

MENR (Ministère de l’Enseignement Supérieur et de la Recherche)