TY - TH AU - Amaya Celis,A.A. TI - Estimates of genetic variation and covariation of agronomic characteristics in durum wheat, triticum durum, desf PY - 1964/// CY - Fargo, ND (USA) PB - North Dakota State University, KW - Agronomic characters KW - AGROVOC KW - Breeding methods KW - Crop management KW - Genetic inheritance KW - Genetic variation KW - North dakota KW - Segregation KW - Triticum durum KW - USA KW - Hard wheat N1 - Thesis (M. Sc.) ER -