00413naa a2200157 a 450000100080000000500110000800800410001910000190006024500480007926000090012765000140013665300180015065300140016865300260018277300470020820478192016-08-26       1987    bl ---       0--  u    #d1 aMACNEIL, M. D.  aFormation of optimal composite populations.  c1987  aheterosis  aBreed effects  aBreed use  aComposite populations  tTheor. Appl. Genet.gv.74, p.837-40, 1987.