University of California

Onion varieties, honeybee visitations, and seed yield


Elmer C. Carlson

Publication Information

Hilgardia 28(9):16-18. DOI:10.3733/ca.v028n09p16. September 1974.

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Onion seed plants, Allium cepa L., exhibited varietal differences regarding honeybee (Apis mellifera L.) visitation; incidence of pink root disease, Pyrenochaeta terrestris Hansen) Gorenz, Walker, and Larson; numbers of western flower thrips, Frankliniella occidentalis (Pergande) present; and seed yields. Results from an isolated onion planting showed that the male sterile, Code 2 hybrid, adjacent to a pollen-parent, was significantly more attractive to honeybees and produced significantly more seed than a second comparable hybrid.

Carlson E. 1974. Onion varieties, honeybee visitations, and seed yield. Hilgardia 28(9):16-18. DOI:10.3733/ca.v028n09p16
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