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This article in CS

  1. Vol. 37 No. 3, p. 998-999
    Received: May 13, 1996

    * Corresponding author(s): Forage@Tifton.CPES.Peachnet.Edu
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Hybrid Seed Production of Pearl Millet × Napiergrass Triploid Hybrids

  1. R. V. Osgood,
  2. W. W. Hanna  and
  3. T. L. Tew
  1. Crop Science and Genetics and Pathology Dep., Hawaii Agric. Res Center (Formerly Hawaiian Sugar Planter's Association), 99-193 Aiea Hts. Drive Aiea, HI 96701



Pearl millet (PM), Pennisetum glaucum (L) R. Br., × napiergrass (NG), P. purpureum Schum., interspecific hybrids (PMN) have the potential to extend production of high quality forage into the late summer and fall in the USA. The objective of this study was to determine if interspecific hybrid seed could be produced on a commercial scale at Kunia, HI, and to identify production problems. Although one block yielded 1145 kg ha−1 PMN seed in 1986, seed yields in most years averaged 300 to 600 kg ha−1 if birds were controlled. Rain storms during November and December, when seed was maturing, reduced both seed yields and seed quality. Observations in this study indicated that PMN seed may be more successfully produced if flowering of plants is manipulated to mature seed in March in Hawaii or if produced in a tropical climate with a dry winter season.

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