The products in this table are botanical, mineral, and synthetic biorational pesticides labeled for disease control in vegetable crops. The symbol OG indicates a product is listed by the Organic Materials Review Institute (OMRI) as approved for use in organic production.
Active Ingredient and Trade Name | Target Pests | Labeled Crops | Comments/material type |
---|---|---|---|
Acibenzolar-S-methyl (Actigard 50 WG) | Downy mildews, bacterial diseases, rusts | Crucifers, tomato, spinach | Synthetic, Plant defense activator. |
Cottonseed Oil, Corn Oil, Garlic Oil (Mildew CureOG) | Powdery mildew | Most crops | Botanical |
Copper sulfate (Basic Copper 53OG) |
Many bacterial and fungal diseases |
Most crops |
Mineral |
Copper hydroxide (Champ WGOG) | Bacterial blight, black rot (Xanthomonas), downy mildew, powdery mildew, Anthracnose, Phompsis, late blight, Botrytis, leaf spots | Most crops | Mineral |
Cuprous oxide (Nordox 75 WGOG) | Bacterial blight, black rot (Xanthomonas), downy mildew, powdery mildew, Anthracnose, Phomopsis, late blight, Botrytis, leaf spots | Most crops | Mineral |
Hydrogen dioxide (OxiDate 2.0OG) | Alternaria, Phytophthora, Pythium, Rhizoctonia, Fusarium Wilt, Sclerotinia, Anthracnose, bacterial blight, Botrytis, powdery mildew, rust | Beans, cucurbits, celery, crucifers, leafy vegetables tomato, pepper, onions, potato, herbs, root crops | Synthetic. Contact activity only |
Kaolin (Surround WPOG) | Powdery mildew, sunburn and heat stress. | All crops | Mineral. |
Neem Oil (TrilogyOG, Triact 70OG) | Anthracnose, Botrytis, downy mildew, powdery mildew, scabs, rusts, leaf spots and blights | Most crops | Botanical |
Oils, Petroleum based (JMS Stylet-OilOG, CivitasOG, & Suffoil-XOG) |
Alternaria, Gummy Stem blight, Powdery mildew, Rust |
Most crops |
Synthetic and natural oils |
Potassium Bicarbonate (KaligreenOG, MilStopOG) | Alternaria, Anthracnose, Botrytis, downy mildew, Fusarium, Leaf spots, Phytophthora, powdery mildew | Beans, crucifers, cucurbits, eggplant, lettuce, peppers, potato, tomato, spinach, wheat | Synthetic, Biopesticide, Armicarb 100 is not OMRI listed, but MilStop and Kaligreen are. |
Potassium Phosphite (Helena ProPhyt) | Downy mildews, Phytophthora species, Pythium species | Cucurbits, crucifers, onion, potato, tomato, lettuce, spinach | Mineral, Systemic. Drench at transplant. |
Mono- and dibasic sodium, potassium, and ammonium phosphites (Phostrol) | Downy mildews, Phytophthora species, Pythium species | Most crops | Synthetic, Use caution when using in a tank mix |
Monopotassium phosphate (Nutrol) | Powdery Mildew | Cucurbits, peppers, and tomatoes | Synthetic, Can be used in greenhouse on some crops |
Potassium silicate (Sil-MATRIX) |
Powdery Mildew, Leaf spots |
Most crops |
Mineral, Broad-spectrum preventive fungicide |
Reynoutria sachaliensis Extract (RegaliaOG) |
Powdery Mildew, Botrytis, Leaf spots, Bacterial spot, speck, and canker |
Cucurbits, peppers, lettuce, tomato, strawberry, grapes |
Botanical, Plant defense activator. Use caution in tank mix. |
Rosemary and Clove Oils (Phyta-Guard EC) | Powdery Mildews, bacterial spot | Most crops | Botanical |
Rosemary, Clove, and Thyme Oils (Sporan EC) |
Bacterial Spot, Early Blight, Gray Mold, Late Blight, Powdery mildew, Downy mildew |
Most crops |
Botanical |
Rosemary, Thyme, and Clove Oil (SporatecOG) | Anthracnose, Botrytis, downy mildew, powdery mildew, leaf spots, rusts, bacterial spot | Most crops | Botanical |
Streptomycin Sulfate (Agri-Mycin 17) |
Bacterial diseases | Celery, peppers, tomato, potato | Biological anti-biotic |
Sesame Oil (OrganocideOG) |
Powdery Mildew, Leaf spots |
Most crops |
Botanical |
Sulfur (Micro SulfOG, Microthiol DisperssOG, Kumulus DFOG) | Powdery mildew, leaf spots | Most crops | Mineral |