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Crop Science Abstract -

Studies of F1 Hybrids Between Photoperiod Sensitive and Non-sensitive Pennisetum Millets1


This article in CS

  1. Vol. 11 No. 2, p. 289-291
    Received: Oct 7, 1970

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  1. Bhup D. Bhardwaj and
  2. Orrin J. Webster2



The F1 hybrids between crosses of ‘Tift 23A’ (cytoplasmic male-sterile line Pennisetum typhoides (Burm.) and five populations of ‘Maiwa’ (P. maiwa Stapf and Hubb) were studied for various characteristics including restoration of male fertility. Tift 23A is day-length neutral, short, and early maturing whereas Maiwa is day-length sensitive, tall, and late-maturing. Results indicate that genes for nonrestoration of cytoplasmic male sterility are present in Nigerian Maiwa populations, and that adapted A and B lines resistant to downy mildew can be produced. It also seems possible to develop high-yielding, day-length neutral, and day-length sensitive strains from the segregating generations of Tift 23A ✕ Maiwa crosses.

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