Disease Control
Damping-Off (Pythium and Phytophthora)
Apply the following preplant incorporated or as a soil-surface spray after planting.
Ridomil Gold--1-2pt 4E/A.
Leaf Spot.
Rotate to allow 2-3 years between beet plantings. Plow under beet refuse at end of season. Apply one ot the following when disease threatens and repeat every 7 to 10 days. Do not make more than two sequential applications of Cabrio or Quadris before alternating with a copper fungicide.
azoxystrobin (Quadris--6.2 - 15.4 oz 2.08F/A or Amistar--2-5 oz 80WDG/A, or
Cabrio--8-12 oz 20EG/A, or
copper, fixed (Champ DP, Kocide 2000)--1.33-2.66lb 58DP/A or OLF
Pocket Rot (Rhizoctonia).
azoxystrobin (Quadris at 0.4-0.8 fl oz 2.08F/1000 ft of row or Amistar at 0.125-0.25 fl oz 80WDG/1000 ft of row.
Black Spot.
Can be caused by boron deficiency. Use boron at planting according to soil test results.
Information provided is intended for consideration by the user, but is not intended to be a recommendation. Production decisions should be based on consideration of many types of information (scientific, experiential, economic, legal, etc.) available to the user.
Where trade names are used no discrimination is intended, and no endorsement by the Cooperative Extension Service is implied.
Dr. Alan A. MacNab, Professor, Plant Pathology
Penn State College of Agricultural Sciences
211 Buckhout Lab, University Park, PA 16802
Updated: Nov, 2005; EMH
Loaded: Nov, 2005; EMH