A Study on the relationship between ploidy levels and root yield, sugar content, and sugar yield in two sugar beet populations

beta vulgaris caracteres de rendimiento carbohydrate content chromosome number composante de rendement contenido de carbohidratos crop yield genetica genetics iran islamic republic nombre chromosomique poliploidia polyploidie polyploidy remolacha azucarera rendement rendement des cultures rendimiento rendimiento de cultivos statistical methods sugar beet teneur en glucides yield components yields