The importance of the morphology of emerging lucerne in breeding for resistance to pests [Sitona sp.]

agentes nocivos agronomic characters anatomia anatomie anatomy animal animal nuisible animales animales nocivos animals arthropode arthropods biological control breeding breeding aims coleoptera crops cultivation cultivo cultivos defoliation developmental stages dicotiledoneas dicotyledons economic plants emergence emergencia etapas de desarrollo etapas de desarrollo de la planta facteur nuisible feed crops feed legumes fitomejoramiento injurious factors insecte insecte nuisible insecte phyllophage insectos insectos depredadores de las hojas insects invertebrados invertebrates legumes leguminosae leguminosas leguminosas forrajeras lutte biologique medicago medicago sativa methode methods noxious animals objetivo de mejoramiento organisme nuisible papilionoideae pest control methods pest insects pest resistance pests plagas plant anatomy plant breeding plant developmental stages plantas plantas forrajeras plante plante de culture plants pratique culturale resistance to injurious factors resistencia a las plagas rosales sitona