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This article in CS

  1. Vol. 6 No. 1, p. 91-92
     
    Received: Aug 16, 1965
    Published: Jan, 1966


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doi:10.2135/cropsci1966.0011183X000600010032x

Cross-Pollination of Alfalfa in Cages with Honeybees1

  1. W. R. Kehr and
  2. Wallace E. LaBerge2

Abstract

Abstract

Studies were made to determine the amounts of crosspollination when a white-flowered clone was grown alone and with purple-flowered clones in cages using several honeybee management practices. Progeny from seed of the white-flowered clone were classified for flower color. The 2-year average percent crossing was 57 when a nucleus colony was used and 72 when bees were intermittently confined. However, 10% crossing was found in the cage which had only the white-flowered clone. The 72% should probably be adjusted to 62% since 10% contamination may have occurred where bees were intermittently confined.

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