| Fungicide | Target DISEASES | Labeled Crops | Comments |
|---|---|---|---|
| azoxystrobin (Heritage) REI 4h, Group 11 |
Leaf spots and blights, downy mildew, Botrytis blight, powdery mildew (depending upon crop, see label). | Cole crops, bulb vegetables, cucurbits, leafy vegetables, and fruiting vegetable transplants. | Preventative and curative broad-spectrum fungicide. |
| azoxystrobin & benzovindiflupyr (Mural) REI 12h, Group 11 and 7 |
Leaf spots and blights, downy mildew, powdery mildew, rhizoctonia stem rot (depending upon crops, see label). | Vegetable transplants grown for resale to consumers: cucurbits, and fruiting vegetables. | Broad-spectrum fungicides for foliar applications (with translaminar activity) for plants grown for resale to consumers with preventative, systemic and curative properties. |
| Bacillus amyloliquefaciens D747 (Double NickelOG, Triathlon BAOG) REI 4h, Group BM02 |
Fungal & bacterial leaf spots and blights, downy mildew, powdery mildew, damping off (Pythium, Rhizoctonia, Fusarium, Phytophthora) (depending upon the crops, see labels). | Cole crops, bulb, cucurbit, fruiting and leafy vegetable transplants. | Broad-spectrum, preventative biological fungicides/bactericides. Begin applications when conditions in the greenhouse favor disease development. |
|
Bacillus amyloliquefaciens ENV503 (Companion Biological Fungicide Wettable PowderOG) REI 4h, Group BM02 |
Fungal and bacterial leaf spots, powdery mildew, damping off. | Vegetable transplants in the greenhouse. | Preventive biological fungicide/bactericide for control and suppression of soil and foliar diseases. Activates ISR (induced sytemic resistance). |
|
Bacillus amyloliquefaciens F727 (StargusOG) REI 4h, Group BM02 |
Bacterial and fungal leaf spot & blights, botrytis blight, late blight, damping off and root rots, downy mildew (depending upon crops, see label). | Bulb, cucurbit, fruiting and leafy vegetable transplants. | Broad-spectrum preventive biological fungicide/bactericide for growing media or foliar applications. Activates ISR (induced systemic resistance). |
|
Bacillus subtilis QST 713 |
Fungal and bacterial leaf spots, powdery mildew, Botrytis blight, downy mildew (depending upon crop, see labels). | Cole crops, bulb, cucurbits, leafy and fruiting vegetable transplants. | Broad-spectrum, preventative biological fungicide/bactericide. Begin applications when conditions in the greenhouse favor disease development. |
|
basic copper sulfate (Cuprofix Ultra 40 Disperss, Cuproxat, Cuproxat FlOG ) REI 24/48 h, Group MO1 |
Leaf spots and blights, downy mildew, bacterial blight, late blight on tomatoes, bacterial spot (depending upon crop, see labels). | Cucumber, eggplant, pepper and tomato transplants. | Preventive, contact fungicides. Crops grown in the greenhouse may be more sensitive to copper injury so the user should determine plant sensitivity. Observe for 7 to 10 days for symptoms of injury. |
|
boscalid & pyraclostrobin (Pageant Intrinsic), REI 12h, Group 7 & 11 |
Leaf spots and blights, powdery mildew, crown and basal rots, damping off, downy mildew, and botrytis blight. | Specified vegetable transplants for the home consumer market: cucurbit, fruiting and leafy greens vegetable transplants. | Preventive, broad-spectrum fungicides. Pyraclostrobin has local systemic activity and translaminar activity. Do not use in agricultural production fields. |
|
copper hydroxide (KalmorOG), (Kocide 2000-OOG ) REI 24/48h, Group M01
|
Leaf spots, anthracnose, bacterial spots, late blight and other diseases (see labels). | See labels for specific vegetable crops. | Protectant, contact bactericides/fungicides. See labels for plant safety information. |
| copper octanoate (Camelot OOG), GrottoOG), REI 4h, Group MO1 | Bacterial and fungal leaf spots, powdery mildew, downy mildew, early blight, late blight and others (depending upon crop, see labels). | Cole crops, curcurbit, lettuce, onion, tomato, eggplant, and pepper transplants. | Contact bactericides/fungicides. See labels for specific usage instructions and plant safety information. |
|
copper oxychloride & copper hydroxide (Badge X2OG), (Badge SC) REI 24h, Group M01 |
Bacterial & fungal leaf spots and blights (depending upon crop, see labels). | Cucumber, eggplant, pepper, and tomato transplants. | Contact bactericides/fungicides. Badge X2 is a low load dry copper formulation that is a mixture of two high purity copper salts (copper oxychloride and copper hydroxide). Badge SC is a liquid formulation. See labels for plant safety information. |
|
copper octanoate |
Bacterial and fungal leaf spots (many), powdery mildew, downy mildew, early blight, late blight and others (depending upon crop). | Cole crops, cucurbit, lettuce, onion, tomato, eggplant, pepper transplants. | Contact bactericides/fungicides. See label for specific usage instructions and plant safety information. |
|
copper sulfate pentahydrate |
Fungal and bacterial leaf spots (see label for specific types and crops), downy mildews, powdery mildews, Botrytis blight, late blight on tomato. | Cole crops, cucurbits, eggplant, pepper, and tomato transplants. | Systemic, preventative, and curative bactericide/fungicide. Thorough coverage needed. See label for plant safety information. |
|
cyazofamid (Ranman 400SC), (Segway O) REI 12h, Group 21 |
Ranman 400SC: Pythium damping off on tomato, downy mildew on herbs in the greenhouse. Segway O: Pythium damping off on tomato and pepper transplants, Phytophthora blight, crown and root rots on pepper transplants, downy mildew on herbs. |
Ranman 400SC: Basil and tomato transplants. Segway O: tomato and pepper transplants. |
Locally systemic fungicides. Apply as a drench. |
| difenoconazole & pydiflumetofen (Postiva) REI 12h, Group 3 and 7 |
Curcurbit vegetables: various leaf spots and blights, powdery mildew Tomatoes: Early blight, powdery mildew, Septoria leaf spot |
Specified for cucurbit and fruiting vegetable transplants for retail sale to consumers, not for commericial vegetable production. | Broad spectrum, preventive and systemic fungicide. |
|
fenhexamid |
Botrytis blight. | Tomatoes, cucumber, leafy greens (except spinach) transplants. | Preventative, translaminar fungicide. Do not apply in vegetable agricultural fields. |
|
fludioxonil
|
Leaf spots and blights, powdery mildew, botrytis blight (depending upon crop, see label). | Curcurbit, Cole leafy, leafy and fruiting vegetable transplants. | Protectant fungicide for certain vegetable transplants. Not for field vegetable production use. |
|
Gliocladium catenulatum J1446
|
Damping off, root and stem rot (Alternaria, Fusarium, Pythium, Phytophthora, Rhizoctonia). | Cucurbit, fruiting, leafy, bulb and brassica leafy vegetable transplants. | Preventative biological fungicide that can be incorporated into the media, applied as a drench or foliar spray. |
| Gliocladium virens GL-21 (SoilGardOG), REI 4h, Group BM02 | Damping off (Pythium, Rhizoctonia, Phytophthora and Fusarium). | Fruiting and leafy vegetable transplants. | Preventive biological fungicide applied before transplanting into the field. |
|
hydrogen peroxide |
Botrytis, downy mildew, powdery mildew, some leaf spots and blights, and root rots (see label). | Cucurbit, fruiting and leafy vegetables transplants. | Contact fungicide. Strong oxidizing agent. See label for plant safety information. |
| hydrogen peroxide & hydrogen dioxide (PERPose PlusOG), REI 1/0 h | Bacterial leaf spot, powdery mildew, downy mildew, Botrytis blight. | Vegetable crops in greenhouses | Works by contact. Strong oxidizing agent. Do not apply in dry, extremely hot conditions. Do not combine with any other pesticide or fertilizer. |
|
insecticidal soap potassium salts of fatty acids (Kopa Insecticidal SoapOG) (M-PedeOG), REI 12h |
Powdery mildew. | Cucurbit, fruiting and leafy vegetable transplants and others (see labels). | Contact fungicides. Short residual activity. See labels for plant safety information. |
|
mancozeb (Protect DF), REI 24h, Group MO3 |
Anthracnose, fungal leaf spots and blights, downy mildew, late blight (depending upon crop, see label). | Cucumber, melon, squash and tomato transplants. | Contact, protectant fungicide. Not for field vegetable production. |
| mandipropamid (Micora), REI 4h, Group 40 |
Downy mildew, Phytophthora blight (suppression), downy mildew on basil, late blight on tomato (depending upon crop, see label). | Basil, leafy and vegetable transplants grown in enclosed greenhouse, with permanent flooring for resale to consumers. | Contact, protectant and translaminar fungicide for listed vegetable and basil transplants for sale to consumers. |
|
mefenoxam (Subdue Maxx), REI 0/48h, Group 4 |
Damping off (Pythium spp.), Crown Rot (Phytophthora spp.,) and downy mildew on Cole crops (depending upon crop, see label). | Cole crops, bulb, curcurbits, fruiting and leafy vegetables transplants grown for retail sale to consumers. | Systemic fungicide for listed vegetable transplants grown for retail sale to consumers. |
|
mineral oil (SuffOil XOG), REI 4h |
Powdery mildew. | Cucumber, eggplant, melon, pepper, pumpkin, squash and tomato transplants. | Contact fungicide. See label for plant safety information. |
|
pentachloronitrobenzene (PCNB) |
Root and stem rot, damping off (Rhizoctonia solani, Pellicularia filamentosa). | Limited to vegetable bedding plants: broccoli, Brussels sprouts, cabbage, cauliflower, pepper and tomato. |
Protectant, contact fungicide. Apply as a soil drench. |
|
penthiopyrad |
Alternaria, Botrytis blight, powdery mildew and various leaf spots and blights (depending upon crop, see label). | Tomatoes, peppers, cucurbits. | Broad-spectrum fungicide with preventative, curative and locally systemic activity. See label for plant safety information. |
|
phosphorous acid (Fosphite) REI 4h, Group P07 |
Anthracnose, bacterial leaf spot, downy mildew, powdery mildew, root rots (Phytophthora, Pythium, Fusarium, Rhizoctonia). | Brassica, cucurbit, and leafy vegetable transplants. | Systemic fungicide. See label for plant safety information. |
|
phosphorous acid (Kphite 7LP), REI 4h, Group PO7 |
Anthracnose, downy mildew, powdery mildew, bacterial leaf spots, root rots (Phytophthora, Pythium, Rhizoctonia, and Fusarium). | Brassica, cucurbit, and miscellaneous food crops. | Systemic fungicide/bactericide. See label for plant safety information. |
| phosphorous acid & hydrogen peroxide (OxiPhos), REI 4h | Downy mildew, powdery mildew, black rot (Cole crops), fungal and bacterial leaf spots & blights (depending upon crops, see label). | Bulb, Cole, cucurbit, fruiting and leafy vegetable transplants. | Strong oxidizing agent. Do not use at higher than labeled rates as leaf burn may result. |
|
polyoxin D zinc salt |
Cucurbit vegetables: Powdery mildew, Botrytis, Corynespora leaf spot, early blight. Fruiting vegetables: Powdery mildew, Botrytis, early blight, suppression of anthracnose. |
Cucurbit vegetables, fruiting vegetables (eggplant, pepper, tomato) transplants. | Preventative and curative fungicide. Active ingredient (polyoxin) is a natural antibiotic and fermentation product of a soil bacterium. Not for agricultural field use. |
|
potassium bicarbonate |
Powdery mildew and others (see labels for more information). |
Broccoli, Brussels sprouts, cabbage, cantaloupe, caulilfower, celery, cucumber, eggplant, lettuce, onion, okra, pepper, tomato and squash transplants. (see labels). | Contact foliar fungicides with eradicant activity. Thorough coverage essential. Potassium bicarbonate disrupts the potassium ion balance in the fungus cell, causing the cell walls to collapse. |
|
propamocarb hydrochloride HCl |
Root rot and damping off (Pythium, Phytophthora). | Tomatoes, cucurbits, peppers, greenhouse leaf lettuce. | Systemic fungicide. Apply in the evening. Phytotoxicity may occur if applied directly to dry growing media, especially in intense sunlight. |
| Pseudomonas chlororaphis AF5009 (Zio) REI 4h, Group BM02 | Pythium, Phytophthora, Rhizoctona, Botrytis Blight (suppression). | Vegetable transplants such as beans, celery, lettuce, onion, spinach, crucifer crops, cucurbits and fruiting vegetables. | Preventative biological fungicide. |
|
pyrimethanil |
Gray mold (Botrytis), early blight (Alternaria). | Tomato transplants. | Preventative fungicide. Apply only in well-ventilated greenhouses and ventilate for at least 2 hours after application. Phytotoxicity may occur in unventilated greenhouses with relative humidity above 80%. |
|
Reynoutria sachalinensis extract |
Powdery mildew, downy mildew, bacterial leaf spot, early & late blight, Alternaria leaf spot, botrytis blight, damping off (Pythium, Rhizoctonia, Fusarium, Phytophthora) (depending upon crop, see label). | Bulb, Cole crops, cucurbit, fruiting, leafy Cole and leafy vegetable transplants. | Preventive, biological fungicide with translaminar activity. Plant activator. Formulation of an extract from giant knotweed. Use preventatively to increase the natural defense system of plants. |
|
Streptomyces K 61 (MycostopOG), REI 4h, Group BM02 |
Alternaria, Botrytis blight (suppression), damping off and root rots (Fusarium, Phytophtora, Pythium, Rhizoctonia). |
Many vegetable transplants. Do not treat melon seeds. | Preventative biological fungicide. Contains a beneficial bacterium. Repeat applications may be needed. Apply as a soil spray or drench. |
|
Streptomyces lydicus WYEC 108 (Actinovate AGOG) REI 1h |
Suppression of root rots (Fusarium, Rhizoctonia, Pythium, Phytophthora), and foliar diseases (downy mildew, powdery mildew, Botrytis, Alternaria). | Cole crop, bulb, cucurbit, fruiting and leafy vegetable transplants. | Preventative biological fungicide for suppression of root rot diseases and foliar pathogens. |
|
streptomycin sulfate |
Bacterial spot and speck. | Tomatoes and pepper transplants. | Xylem mobile fungicide. Repeated applications can result in resistant bacteria. |
|
sulfur |
Powdery mildew. | Many vegetables (see label). | Contact fungicide. Crops grown in greenhouses may be more sensitive to sulfur injury, so the lowest label rate should be tried initially. Do not use within two weeks of an oil spray treatment. |
|
Swinglea glutinosa extract (EcoSwing)OG REI 4h, Group BMO1 |
Botrytis blight, powdery mildew, Basil downy mildew. | Bulb, Cole crops, cucurbit, fruiting and leafy vegetables. | Preventive biological fungicide. Activates ISR (induced systemic resistance). Thorough coverage is needed. |
|
thiophanate methyl (3336 F), (3336 EG), REI 12h, Group 1 |
Anthracnose, botrytis blight, powdery mildew and others depending upon crop, see label. | Cucurbits and bean transplants. | Xylem mobile systemic fungicide. Resistant populations of Botrytis are common in the greenhouse. Not for field vegetable production. |
| thyme oil (Guarda) REI 0h | Botrytis, downy mildew, powdery mildew, fungal and bacterial leaf spots and blights, damping off (Pythium, Fusarium, Phytophthora, Rhizoctonia). | Bulb, Cole crops, cucurbits, fruiting and leafy vegetables. | Stabilized thyme oil extract. Contact fungicide that disrupts cell membranes with some translaminar activity. Repeated applications needed. |
| Trichoderma asperellum (ICC 012) & Trichoderma gamsii (ICC 080) (Bio-Tam 2.0 OG ), (ObtegoOG) REI 4h, Group BM02 |
Root rots (Fusarium, Phytophthora, Pythium, Rhizoctonia, and Thielaviopsis). | Cucurbit, fruiting and leafy vegetable transplants. | Preventative biological fungicides. |
|
Trichoderma harzianum T-22 Group BM02 |
Root rots (Pythium, Rhizoctonia, Fusarium, and Thielaviopsis). |
Bulb, cucurbit, fruiting, leafy and brassica leafy vegetable transplants. |
Preventative biological fungicide that can be incorporated into greenhouse planting mix. |
|
Trichoderm harzianum T-22 (RootShield WPOG) REI 4h Group BM02 |
Root rots (Pythium, Rhizoctonia, Fusarium and Thielaviopsis). | Brassica leafy vegetables, bulb, cucurbit and fruiting vegetable transplants. | Preventive biological fungicide. Apply as a soil drench only. |
|
Trichoderma harzianum T-22 & Group BM02 |
Root rots (Pythium, Phytophthora, Rhizoctonia, Fusarium, and Thielaviopsis). | Bulb, cucurbit, fruiting, leafy and Cole crop leafy vegetable transplants. |
Preventative biological fungicide. Apply as a soil drench (RootShield Plus WP) or incorporate into greenhouse planting mix (RootShield Plus Granules). |
| Triflumizole (Trionic 4SC), (Terraquard SC), REI 12h, Group 3 | Powdery Mildew. | Cucumber and tomato transplants. | Protective fungicides with curative action. |
|
Ulocladium oudemansii U3 (BotryStopOG ), REI 4h Group BM02 |
Botrytis blight. | Bulb, cucurbit,leafy, and fruiting vegetable transplants. | Preventive biological fungicide. Thorough coverage needed. |
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The symbol OG indicates a pesticide is listed by the Organic Materials Review Institute (OMRI) as approved for use in certified organic production. |
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This information is supplied with the understanding that no discrimination is intended and no endorsement implied. Due to constantly changing regulations, we assume no liability for suggestions. If any information in these tables is inconsistent with the label, follow the label.