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ARS Home » Midwest Area » East Lansing, Michigan » Sugarbeet and Bean Research » Research » Publications at this Location » Publication #106783


item THEURER, J.
item Saunders, Joseph
item McGrath, Jon
item Halloin, John

Submitted to: Germplasm Release
Publication Type: Germplasm Release
Publication Acceptance Date: 11/1/1999
Publication Date: N/A
Citation: N/A

Interpretive Summary: This is a germplasm release. No Interpretive Summary is needed.

Technical Abstract: SR94 is a moderately smoothroot sugarbeet selected for soil-free harvest. It has root smoothness and sucrose percentage equivalent to that of SR80 released in 1992. SR94 has a higher sucrose percentage than either SR87 or SR93 and has broader genetic diversity SR87 or SR80. SR94 is an open pollination increase of synthetic seed produced from three cycles of mass selection for smoothroot and high sucrose percentage, following three individual plant pair crosses of beets with high sucrose percentage with smoothroot beets selected from smoothroot line SP85700. The germplasm base of SR94 is approximately 50 percent SP85700, 18 percent L19, 18 percent AC8400051 from American Crystal Sugar Co., 7 percent AC8400040 from American Crystal Sugar Co., and 7 percent 46I1. SR94 is diploid multigerm and segregates for red and green hypocotyl. SR94 is relatively easy bolting, and male fertile plants are largely self sterile with a significant degree of pseudo-self-fertility. Male sterility exceeds twent percent.