Commercial Disease Controls
The Pennsylvania State University
Cooperative Extension

Turnip and Mustard Greens

Disease Control

Damping-Off (Pythium and Phytophthora)
Apply the following preplant incorporated or as a soil-surface spray after planting.

Ridomil Gold-- 1-2 pt 4E/A (turnip greens only)

Downy Mildew
Apply the following during periods of high moisture and moderate temperatures and continue every 14 days.

Forum--6 oz 4.18SC/A plus fixed copper, or
Aliette--3 lb 8OWDG/A (for mustard greens only)

Leaf Spot
Practice crop rotation with crops other that crucifers. When conditions favor disease development, alternate the following every 7 to 10 days.

azoxystrobin (Quadris--6.2 - 15.4 oz 2.08F/A or Amistar--2-5 oz 80WDG/A, or
copper, fixed--0.75-1.5 lb 53.8DF/A or OLF

Note: Where trade names are used, no discrimination is intended and no endorsement by the Cooperative Extension Service is implied. 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.