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Microbial Disease Control Products (Table 25)
The materials listed in this table are formulated from living microorganisms and/or their byproducts.
The symbol OG indicates a product is listed by the Organic Materials Review Institute (OMRI) as approved for use in organic production.
Use on vegetable crops in greenhouses and high tunnels is allowed unless noted in Comments section.
| TRADE NAME | ACTIVE INGREDIENT(S) | TARGET DISEASES | LABELED CROPS | COMMENTS |
|---|---|---|---|---|
| Actinovate AGOG | Streptomyces lydicus strain WYEC 108 | Downy mildew, powdery mildew, Botrytis, Sclerotinia spp., Pythium, Phytophthora, Fusarium, Rhizoctonia, Verticillium spp., Sclerotium | Most vegetable crops | Seed and soil treatment (drench/in-furrow), foliar applications |
| AgriPhageOG | Bacteriophage active against Xanthomonas campestris pv. vesicatoria and Pseudomonas syringae pv. tomato | Bacterial spot and speck | Tomato and pepper only | Foliar applications |
| AgriPhage-CMMOG | Bacteriophage active against Clavibacter michiganensis subsp. michiganensis | Bacterial canker | Tomato only | Foliar applications |
| AvivOG | Bacillus subtilis strain IAB/BS03 | Botrytis, Alternaria, downy mildews, powdery mildews, rusts, leaf spots and blights, anthracnose, gummy stem blight, Phytophthora, bacterial blight, Pythium, Fusarium | Most vegetable crops | Seed, in-furrow, and foliar applications |
| Bio-Save 10 LPOG | Pseudomonas syringae Strain ESC-10 | Fusarium and Helminthosporium storage rots | Potato | Post-harvest application. Registered for use in ME only. |
| Bio-TamOG | Trichoderma asperellum (ICC 012) & Trichoderma gamsii (ICC 080) | Fusarium, Rhizoctonia, Pythium, Phytophthora, Sclerotinia, Sclerotium, Verticillium | Most vegetable crops | Soil applications
|
| 2-3-2 Companion Liquid (WP) Biological FungicideOG | Bacillus subtilis GB03 | Anthracnose, Botrytis, bacterial diseases, powdery mildew, Phytophthora, Pythium, Rhizoctonia, leaf spots and blights, Fusarium, Clubroot | All vegetable crops | Soil treatment, hydroponics, seed treatment |
| CeaseOG | Bacillus subtilis QST 713 strain | Rhizoctonia, Pythium, Phytophthora, Fusarium, bacterial diseases, leaf spots and blights, powdery mildew, downy mildew, Sclerotium, and Sclerotinia | Most vegetable crops | Soil drench
|
| Contans WGOG | Coniothyrium minitans Strain CON/M/91-08 | Sclerotinia sclerotiorum and Sclerotinia minor | Most vegetable crops (Bayer formula NOT labeled for tomato) | Soil treatment |
| DiTera DFOG | Myrothecium verrucaria Strain AARC-0255 | Nematodes | Most vegetable crops | Soil treatment |
| Double NickelOG (LC and 55) | Bacillus amyloliquefaciens strain D747 | Botrytis, Alternaria, fungal leaf spots and blights, powdery mildews, downy mildews, Rhizoctonia, Pythium, Fusarium, Sclerotinia, and suppression of rusts, late blight, early blight, bacterial diseases | All vegetable crops | For ground, aerial, and chemigation applications |
| MycostopOG | Streptomyces sp. strain K61 | Fusarium, Alternaria, Phomopsis, Botrytis, Pythium, Phytophthora, Rhizoctonia | All vegetable crops | Seed or soil treatment |
| ObtegoOG | Trichoderma asperellum ICC 012 & Trichoderma gamsii ICC 080 | Fusarium, Phytophthora, Pythium, Rhizoctonia, Sclerotinia | Cucurbits, leafy vegetables, fruiting vegetables, herbs, bulb crops | Soil treatment |
| Prestop WPOG | Gliocladium catenulatum Strain J1446 | Pythium, Phytophthora, Rhizoctonia, Fusarium, Verticillium, Botrytis | Most crops. See label for crops registered for incorporated or drench treatment only. | Foliar spray, soil treatment |
| RhapsodyOG | Bacillus subtilis QST 713 | Alternaria, bacterial blight(Xanthomonas), downy mildew, powdery mildew, Sclerotinia spp., Botrytis, rust, Pytophthora infestans | Broccoli, carrot, lettuce, onion, pepper, tomato, herbs | Foliar spray or soil drench |
| RootShieldOG (WP and Granules) | Trichoderma harzianum Rifai strain T-22 | Pythium, Rhizoctonia, Fusarium, Thielaviopsis | Most vegetable crops | In-furrow treatment, transplant dips, potting mix amendment |
| RootShield PlusOG (WP and Granules) | Trichoderma harzianum Rifai strain T-22 & T. viriens strain G-41 | Pythium, Rhizoctonia, Fusarium, Thielaviopsis | Most vegetable crops | In-furrow treatment, transplant dips, potting mix amendment |
| SerenadeOG (Opti and ASO) | Bacillus subtilis strain QST 713 | Alternaria, anthracnose, Botrytis, downy mildews, powdery mildews, rusts, Helminthosporium, Didymella, Phoma, bacterial diseases | Most crops | Foliar spray or soil drench |
| SonataOG | Bacillus pumilis QST 2808 | Alternaria, downy mildew, powdery mildew, rust | Most crops | Foliar spray or soil drench |
| StargusOG | Bacillus amyloliquefaciens F727 | Fusarium, Phytophthora, Pythium, Rhizoctonia, Sclerotinia, downy mildew, Botrytis | Most crops | |
| Taegro 2OG | Bacillus subtilis var. amyloliquefaciens FZB24 | Rhizoctonia, Fusarium, Sclerotinia, Pythium, Phytophthora, leaf spots, powdery mildews | Fruiting vegetables, cucurbits, leafy vegetables, root and tuber vegetables | In-furrow, transplant drench, basal spray for primarily soilborne diseases. |
| TheiaOG | Bacillus subtilis strain AFS032321 | Leaf spots, anthracnose, black rot, bacterial spots and blights, powdery mildews, Fusarium, Phytophthora, Pythium, Rhizoctonia, downy mildews, gummy stem blight | Most vegetable crops | Seed treatment, soil applications, foliar sprays |
| Triathlon BAOG | Bacillus amyloliquefaciens D747 | Botrytis, Rhizoctonia, Fusarium, Sclerotinia, Pythium, Phytophthora, leaf spots, powdery mildew, downy mildew | Most crops | Soil and foliar applications |