00923cam a22002531i 4500 agr52000470 DLC 20260227111017.0 770801s1952 iaua 001 0 eng agr52000470 (OCoLC)3152933 DLC MoKiU OCoLC OU OCoLC DLC QH421 .H4 1950c 575.28 Heterosis Conference (1950 : Iowa State College) Heterosis : a record of researches directed toward explaining and utilizing the vigor of hybrids / edited by John W. Gowen. Ames : Iowa State College Press, 1952. ix, 552 p. : ill. ; 24 cm. Papers presented at the Heterosis Conference held at Iowa State College, June 15 to July 20, 1950. Bibliography: p. 517-535. Includes index. Heterosis. Gowen, John Whittemore, 1893- ed. 11471 11471