Institution: | 1.Department of Forest Environment and Resources (DISAFRI),University of Tuscia,Viterbo,Italy;2.Unité Amélioration, Génétique et Physiologie Forestières,Centre INRA d’Orléans,Orleans Cedex 2,France;3.Department of Crop Production,University of Tuscia,Viterbo,Italy;4.Department of Agronomy, Forestry and Land Use,Agricultural Research Council of Italy,Rome,Italy |