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This article in CS

  1. Vol. 11 No. 1, p. 106-108
    Received: July 31, 1970

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Predicting Double-Cross Sugarbeet Hybrid Performance1

  1. Garry A. Smith and
  2. R. J. Hecker2



Thirty-five double crosses, 15 single crosses, and six red beet top crosses were developed from six inbred lines and used to tesl; five methods of predicting double-cross sugarbeet (Beta vulgaris L.) hybrid performance. The mean of the four nonparental single crosses of any double cross was found to be the most consistent method for predicting root yield and percent sucrose. Percent purity was best predicted by the mean of all six single crosses of the parents iinvolved in any double cross. However, predictive capabilities of five methods studied were not greatly different. There was little relationship between the correlation cofficients and the percentage of accurately predicted top performing hybrids.

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