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This article in CS

  1. Vol. 26 No. 6, p. 1162-1163
    Received: Mar 18, 1985

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Selection for Increased Seed Weight in Kleingrass1

  1. M. A. Hussey and
  2. E. C. Holt2



Selection for increased seed weight was investigated as a potential method for improving seedling vigor and stand establishment characteristic of kleingrass (Panicum coloratum L.). Three cycles of mass selection for increased seed weight were conducted. Selection resulted in a total gain of 53.3% of the mean seed weight of the base population with gains of 27.1,1.8, and 18.5% in Cycles 1 and 2, and 3, respectively. The increased seed weight for Cycles 1 and 2 was attributed to the elimination of light seed weight classes, while increased seed weight in Cycle 3 was due to both the elimination of light seed weight classes as well as to an increase in maximum seed weight. Broad sense heritability estimates declined with selection from 73.2% in Cycle 0 to 41.7% in Cycle 3.

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