Evaluation of heterotic patterns of Iowa Stiff Stalk Synthetic and Non-Stiff Stalk Synthetic maize populations [Zea mays L.]

adattamento ambientale della pianta allettamento altezza altura aptitud combinatoria attitudine combinatoria combining ability contenido de humedad crop yield encamado establecimiento de plantas eterosi fioritura fitomejoramiento floraison flowering fusti grain granella granos hauteur height heterosis hybridation hybridization ibridazione impollinazione infiorescenze inflorescence inflorescences inflorescencias introduced varieties iowa lodging mais maize miglioramento genetico vegetale moisture content plant breeding plant establishment pollination pollinisation racine radici recurrent selection rendement des cultures rendimiento de cultivos roots selezione ricorrente stems tallos temperate zones teneur en eau tenore in umidità tige variedades naturalizadas varietà introdotte verse vigueur hybride zea mays zona templada zone temperate