4th International Brachypodium Conference 2019 : ABSTRACT BOOK Catalan Pilar Pérez-Collazos Ernesto Inda Luis Angel Casanova José Ascaso Joaquín Díaz-Pérez Antonio José Sancho Maria Carmen Villar Luis 2019 Summary: SESSIONS S1: Natural diversity and evolution S2: Comparative genomics and transcriptomics S3: Development and growth S4: Tolerance and adaptation to abiotic stresses S5: Regulatory elements, networks and epigenomics S6: Polyploidy and perenniality S7: Ecology and environment S8: Adaptation to abiotic and biotic constrains S9: Crop and biomass crop translation BOOK