Chromosome morphometry and nuclear DNA content are useful data for cytotaxonomy and to understand the evolutionary history of different taxa. For the genus Bromus Linnaeus, 1753, distinct ploidy levels have been reported, occurring from diploid to duodecaploid species. The geographic distribution of Bromus species has been correlated with chromosome number and ploidy level. In this study, the a...

The prairie grass (Bromus catharticus Vahl) is the annual/biennial native forage of temperate climates most importance and diffusion in Argentina. Several authors have studied phenotypic variability morphophysiological characters cultivars populations grass. first commercial were heterogeneous that considered best adapted region Genetic, agronomic molecular characterization selection base germp...