Organic Disease Control Comparison Chart

Above: Late blight on field tomato. Photo © Edward Sikora, Auburn University, Bugwood.org

Please see product labels (available on each product webpage) for directions and recommendations for use.

Recommended Fungicides & Disease Controls
Key	P= Preferred by Johnny's Research Farm. More than one "P" listed for a disease indicates the preferred controls we like to rotate to prevent tolerance buildup.
Disease	Actinovate®	MilStop® SP	Liquid Copper Fungicide	OxiDate®	RootShield® Plus	SaniDate®
Algae				✔
Alternaria/Early Blight		P	✔	P
Anthracnose		P	✔	P
Black Rot			✔	✔
Black Spot	✔	✔	✔
Botrytis	P	P	✔	P
Downy Mildew	P	✔	✔	✔
Fusarium	✔	✔		✔	✔
Late Blight		✔	✔	P
Leaf Spot	✔	✔	✔	✔
Phytophthora	✔	✔	✔	✔	✔
Powdery Mildew	✔	✔	✔	✔
Pythium	✔			✔	✔
Rhizoctonia	✔		✔	✔	✔
Rust	✔	✔	✔	✔
Sclerotinia	✔		✔	✔
Salmonella						✔
Scab		✔
Staph						✔

Learn More