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Rhizomania Variety Resistance Calculator - Updated for 2005

Enter Receiving Station.
Rhizomania is favored by warm, wet soil conditions. Once disease is established resistant varieties are the only practical control option.
Enter number of crops between beets.
Long crop rotations slow inoculum buildup and reduce losses to Rhizomania.
Enter number of years this field has been planted to beets in the last 10 years.
Rhizomania is best controlled by preventing introduction into a field.
Enter severity of Rhizomania symptoms last seen in this field
Yield losses can be up to 50% in yield and 2.5% or more loss in sugar content.
Enter field drainage level in this field.
Excellent field drainage will reduce Rhizomania severity.
Is this field prone to periodic flooding?
Rhizomania is a viral disease that is easily spread by any means that will transport soil.

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