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This article in AJ

  1. Vol. 50 No. 7, p. 393-395
    Received: Dec 9, 1957

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Mass Hybridization Techniques as Applied to Standard Crested Wheatgrass, Agropyron Desertorum (Fisch.) Shult.1

  1. James E. Hansen and
  2. Douglas R. Dewey2



Bagged heads of standard crested wheatgrass cross-pollinated by circulating air in the bags daily during anthesis produced seed yields comparable to those from open pollination. Detaching male and/or female culms decreased seed set when cross-pollinated under bags. Seed-set was reduced 66% by the hot-water emasculation effect on pollen. Approximately 25% of the ovaries did not function as the result of hot-water emasculation. Tap water sustained detached culms as well as or better than any of four other solutions.

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