Tools & Supplies Pest and Disease Controls Fungicides
Fungicides
Fungicides
Fungicides can be applied when necessary to address occurrences of early blight and late blight, downy and powdery mildew, leaf spot, black rot, Fusarium, Pythium, Rhizoctonia, and other crop-damaging fungal pathogens. Most of our fungicides are approved for use in certified-organic production by the Organic Materials Review Institute (OMRI), and some by the Washington State Department of Agriculture (WSDA). Look for our OG symbol, as well as the OMRI and WSDA symbols in our product descriptions. For specific recommendations, refer to our Fungicide Comparison Chart (at right).
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Spray for foliar diseases or drench for root diseases.
OMRI listed. Used as a spray for foliar diseases or as a drench for root diseases.
Natural damping-off and root-rot control.
All natural damping-off and root-rot control for all your vegetables and flowers.
Prevent fungal problems with this 4% copper solution. 1 Pt.
Prevent fungal problems with this 4% copper solution.
OMRI and WSDA listed. Effective organic treatment for powdery mildew.
OMRI and WSDA listed. Effective organic treatment for powdery mildew.
Eliminates human and plant spoilage pathogens on contact.
Keep your post harvest equipment, fruits, and vegetables free of disease.
Trigger your plants' natural defense systems.
Trigger your plants' natural defense systems.
OMRI and WSDA listed. Effective organic treatment for powdery mildew.
OMRI and WSDA listed. Effective organic treatment for powdery mildew.
Hydrogen dioxide for field crop or greenhouse use.
Hydrogen dioxide for field crop or greenhouse use.
Potassium bicarbonate fungicides kill mildew on contact.
Potassium bicarbonate fungicides kill mildew on contact.
A "must-have" copper for your disease prevention rotation schedule.
OMRI listed. Superior disease control provides for a more marketable crop at harvest.
Very effective as a foliar spray or as a drench for root diseases.
Very effective as a foliar spray or as a drench for root diseases.
All-natural damping-off, root-rot, and phytophthora control.
All-natural damping-off and root-rot control.
All-natural damping-off, root-rot, and phytophthora control.
All-natural damping-off and root-rot control.
All-natural damping-off, root-rot, and phytophthora control.
All-natural damping-off and root-rot control.
Potassium bicarbonate fungicides kill mildew on contact.
Out of Stock
Potassium bicarbonate fungicides kill mildew on contact.
Out of Stock
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