Genetics and breeding of winter barley

agronomic characters augmentation de rendement aumento del rendimiento barley biological control breeding breeding aims breeding methods cebada cereales cereals composition crops cultivar cultivars cultivos cultivos de grano disease resistance economic plants fertilidad del suelo grain crops induced mutation lodging lutte biologique methode methods nutritive value objetivo de mejoramiento orge pest control methods plantas plante plante de culture plants productividad productivity profitability rendement rendimiento rentabilidad resistance to injurious factors resistencia a la enfermedad resistencia a la temperatura soil fertility temperature resistance valeur nutritive valor nutritivo verse vuelco yields