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This article in AJ

  1. Vol. 51 No. 11, p. 687-689
    Received: Apr 8, 1959

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Preliminary Evaluation of Exotic Maize Germ Plasm1

  1. H. H. Kramer and
  2. A. J. Ullstrup



Sources of resistance to common corn rust, southern corn rust, and 2 leaf blights were isolated from maize introductions. A large number of mutant endosperm and seedling characters were uncovered by selfing. Preliminary study of combining ability with a well-established single-cross hybrid, Wf9 ✕ Hy, showed that very few introductions can be expected to provide additional yield factors but that the greatest contribution will come from introductions which are in themselves relatively desirable.

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