Changes in yield physiology of corn as a result of breeding in Northern Europe [Zea mays L.]

adaptation adattamento carbohidratos carbohydrates carboidrati cell respiration climatic zones crecimiento crescita croissance crop yield environmental factors etapas de desarrollo de la planta facteur du milieu factores ambientales fattori ambientali fioritura fitomejoramiento floraison flowering frost gel gelo glucide growth helada hybride hybrids ibridi mais maize miglioramento genetico vegetale plant breeding plant developmental stages rendement des cultures rendimiento de cultivos resistencia a la temperatura respiration cellulaire respirazione cellulare stadi di sviluppo della pianta temperature resistance termoresistenza zea mays zone climatiche zone climatique