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Crop Science Abstract -

Reciprocal Maintainer-Restorer Relationship between A1 and A2 Sterile Cytoplasms Facilitates Millet Breeding1

 

This article in CS

  1. Vol. 8 No. 5, p. 632-634
     
    Accepted: Mar 27, 1968


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doi:10.2135/cropsci1968.0011183X000800050041x
  1. Glenn W. Burton and
  2. D. S. Athwal2

Abstract

Abstract

The reciprocal maintainer-restorer relationship found to exist between the maintainers for A1 and A2 sterile cytoplasms in pearl millet, Pennisetum typhoides (Burm.) Stapf and C. E. Hubb., appears to be a new phenomenon in plants. Through this relationship, maintainer Tift 23DB1 for cytoplasmic male-sterile Til't 23DA1 will restore fertility in cytoplasmic male-sterile Tift 239DA2; and maintainer Tift 239DB2 will restore the fertility of Tift 23DA1. Population Y, containing plants with A1 cytoplasm and their maintainers, and population Z, containing plants with A2 cytoplasm and their maintainers, used in breeding systems such as reciprocal recurrent selection, will facilitate the development of superior F1 hybrids.

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