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United States Department of Agriculture

Agricultural Research Service

Title: Agronomic Evaluation of Smooth Root Releases and Prospective Releases - 1999

Authors
item Saunders, Joseph
item MCGRATH, J MITCHELL
item Derrico, Cathy - FORMER ARS TECHNICIAN
item Hudy, Peter

Submitted to: Annual Beet Sugar Development Foundation Research Report
Publication Type: Other
Publication Acceptance Date: August 1, 2000
Publication Date: N/A

Technical Abstract: This experiment was designed to evaluate performance of 24 entries for the standard agronomic parameters, and smoothroot score as a surrogate measure for low soil tare. The properties of nine breeding germplasm entries, agronomically evaluated for the first time, indicate the recent emphasis of the sugarbeet breeding program at East Lansing. All nine new entries are high to moderate for smoothroot as well as for resistance to Cercospora an Aphanomyces. Four of the nine are monogerm with enhanced CMS-maintainer frequency, moderate Rhizoctonia resistance, and/or improved sucrose percent, depending on the entry. The other five new entries carry deliberately introduced recessive alleles for monogerm or CMS-maintenance that can be recovered in fixed form in current or future generations. Emphasis on disease resistance and higher sucrose percentage will continue and complement the easily selectable smoothroot characteristic.

Last Modified: 9/10/2014
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