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This article in AJ

  1. Vol. 50 No. 4, p. 215-218
    Received: Sept 9, 1957



Fertility Restoration and Yields in Maize1

  1. G. H. Stringfield2



Tests of 30 maize cultures in the Texas (cms) cytoplasm and segregating for fertility restoring genes gave a significant advantage in yield for the restored plants. Apparently normal fertiles and restored fertiles are different in productiveness. Working hypotheses are: (1) Restorer genes have a pleiotropic vigor-producing effect, (2) The Texas cytoplasm is superior to the more common United States cytoplasms, and (3) A heterotic genotype × cytoplasm interaction was operating.

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