Table 19: Fungicides and Bactericides Labeled for Vegetable Transplants and Bedding Plants

Fungicide Target Pests Labeled Crops Comments
Azoxystrobin
(Heritage) REI 4 h, Group 11
Leaf spots and blights, downy mildew, Botrytis blight, powdery mildew, downy mildew (depending upon crop, see label) Vegetable plants grown for transplanting such as Cole crops, bulb vegetables, cucurbits, leafy vegetables, peppers Preventative and curative broad spectrum fungicide. See supplemental label for use on vegetable transplants.
Azoxystrobin & benzovindiflupyr
(Mural) REI 12 h, Group 11 and 7
Leaf spots and blights, downy mildew, powdery mildew (depending upon crop, see label) Vegetable transplants grown for resale to consumers - cucurbits, fruiting vegetables, tomatoes A broad spectrum fungicide for foliar applications (translaminar activity) for plants grown for resale to consumers. Do not make more than 2 applications per crop.

Basic Copper Sulfate
(Cuprofix Ultra 40 Disperss, Cuproxat)
REI 48 h, Group M1
 

Various leaf spots and blights, downy mildew, bacterial blight, late blight on tomatoes, bacterial spot (depending upon the crop, see label) Many vegetables including cucumbers, eggplant, peppers, tomatoes Preventative, contact fungicide. 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.
Bacillus amyloliquefaciens D 747
(Double NickelOG, Triathlon BAOG)
REI 4 h, Group 44
Fungal and bacterial leaf spots and blights, downy mildew, powdery mildew, damping off (depending upon the crops, see label). Many vegetables including Cole crops, bulb vegetables, cucurbits, fruiting vegetables, leafy vegetables and others Broad spectrum, preventative biological fungicide. Begin applications when conditions in the greenhouse favor disease development.

Bacillus pumilus QST 2808
(SonataOG) REI 4 h, Group 44

Downy mildew, powdery mildew on many different crops (see label)

Early blight, late blight on tomatoes

Many including Cole crops, cucurbits, fruiting, leafy vegetables Broad spectrum, preventative biological fungicide. Begin applications when conditions in the greenhouse favor disease development.

Bacillus subtilis QST 713
(CeaseOG) REI 4 h, Group 44

Fungal and bacterial leaf spots, powdery mildew, Botrytis blight, downy mildew (see label) Many including Cole crops, cucurbits, fruiting vegetables, leafy vegetables, bulb vegetables Broad spectrum, preventative biological fungicide. Begin applications when conditions in the greenhouse favor disease development. Thorough coverage is essential.

Bacillus subtilis GB03
(Companion Liquid Biological FungicideOG)
REI 4 h, Group 44

Damping off fungi, root rots (Fusarium, Pythium, Phytophthora, Rhizoctonia)

Botrytis, leaf spots, (fungal and bacterial), late blight, powdery mildew 

Many including Cole crops, cucurbits, fruiting vegetables, leafy vegetables, bulb vegetables Preventative biological fungicide for control and suppression of soil and foliar diseases. Activates ISR (induced systemic resistance).

Bacillus subtilis MB1 600
(Subtilix NG), REI 4 h, Group 44

Rhizotonia, Pythium, Fusarium, Powdery Mildew (depending upon crops, see label) Cucurbits, fruiting vegetables Preventative biological fungicide. Growing media or foliar applications.

Copper Hydroxide
(Champ Dry Prill) REI 24 h,
(Champ Formula 2 Flowable) REI 48 h, (Champ WG) REI 48 h, Group M1

(Kocide Products) REI 48 h, Group M1

Leaf spots, Anthracnose, bacterial spots, late blight and other diseases (see label) See labels for specific crops Protectant, contact fungicide. See label for specific usage instructions. Several Kocide products are available.
Copper oxychloride & Copper hydroxide (Badge X2OG) REI 24 h, (Badge SC) REI 24 h Fungal and bacterial spots and blights (depending upon crop, see labels) Greenhouse crops including eggplant, pepper, tomato 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.

Copper soap
(Camelot OOG) REI 4 h, Group M1

Bacterial and fungal leaf spots (many), powdery mildew, downy mildew, early blight, late blight and others (depending upon crop) Cole crops, lettuce, onion, tomato, eggplant, pepper, cucurbits, leafy vegetables and others Works by contact. See label for specific usage instructions and plant safety information.

Copper Sulfate Pentahydrate
(Phyton 35), REI 48 h, Group M1

Fungal and bacterial leaf spots (see label for specific crops/pests), downy mildews, powdery mildews, Botrytis blight, late blight on tomatoes Cole crops, cucurbits, eggplant, pepper, tomato Systemic bactericide and fungicide. Thorough coverage needed.
Cyazafamid
(Ranman), REI 12 h, Group 21
Pythium damping off on tomato Tomato greenhouse transplant production Locally systemic fungicide. Apply as a drench.
Cottonseed oil, corn oil, garlic oil
(Mildew CureOG)
Powdery Mildew Melons, squash, tomatoes, cucumbers Contact fungicide. Thorough coverage needed. Spot test before widespread use.
Dichloran
(Botran 75W) REI 12 h, Group 14
Botrytis, white mold (Sclerotinia) Cucumbers, leaf lettuce, tomatoes Preventative, contact fungicide. Seedlings or newly set tranplants of tomatoes may be injured by drenching.

Fenhexamid
(Decree 50 WDG) REI 12 h, Group 17

Botrytis Fruiting vegetables, tomatoes, cucumber, leafy greens (except spinach) Preventative, translaminar fungicide. Resistant populations of Botrytis have been documented. Do not apply in the field.
Fludioxonil
(Emblem) REI 12 h, Group 12
Cole crops: Alternaria leaf blight, suppression of Cercospora leaf blight
Leafy vegetables: Alternaria leaf blight, Septoria leaf spot, Botrytis, Sclerotinia rot, Phoma basal rot
Vegetables including seedlings and transplants such as Cole crops, leafy vegetables Protectant fungicide for certain vegetable seedlings and transplants.
Gliocladium catenultum J446
(PrestopOG) REI 0
Damping off, root and stem rot (Alternaria, Fusarium, Pythium, Rhizoctonia), Botrytis Greenhouse vegetables (see label for specific types) Preventative biological fungicide. Apply as a drench.

Hydrogen dioxide & peroxyacetic acid
(Oxidate 2.0OG) REI 0 h, REI 1 h
(spray)

Downy mildew, powdery mildew, leaf spots and blights, root rots (see label) Tomatoes, peppers, leafy and Cole crops, cucurbits, bulb crops, and others Works by contact. Strong oxidizing agent.
Mandipropamid
(Micora), REI 4 h, Group 40
Downy mildews, Phytophthora blight, late blight on tomatoes (depending upon crop, see label) Leafy and vegetable transplants grown in enclosed greenhouse, with permanent flooring for resale to consumers (see label) Contact, protectant and translaminar fungicide for vegetable transplants for sale to consumers. See label for specific use instructions.

Pentachloronitrobenzene PCNB
(Terraclor 400)
REI 12 h, Group 14

Root and stem rot, damping off (Rhizoctonia solani, Pellicularia filamentosa) Vegetable bedding plants, see label for specifics.

Protectant, contact fungicide. Apply as a soil drench.

Penthiopyrad
(Fontelis), REI 12 h, Group 7

Alternaria, Botrytis, powdery mildew and various leaf spots and blights (depending upon crop, see label) Tomatoes, peppers and edible peel cucurbits Broad spectrum fungicide with preventative, curative and locally systemic activity. See label for plant safety information.
Petroleum Oil
(SuffOil XOG), REI 4 h
Powdery mildew Greenhouse vegetable crops (see label) Works by contact. Thorough coverage of all plant parts is important.

Phosphorus Acid
(Alude) REI 4 h, Group 33

Downy mildew, Phytophthora spp., Pythium spp. Brassicas, cucurbits, peppers, tomatoes, leafy vegetables Systemic fungicide. See label for plant safety precautions and use directions.

(Fosphite) REI 4 h, Group 33

Downy mildew, powdery mildew, Phytophthora, Pythium, Fusarium, Rhizoctonia Many vegetables (see label) Systemic fungicide. See label for plant safety precautions and use directions.

(K Phite 7LP) REI 4 h, Group 33

Downy mildew, Phytophthora, Pythium Greenhouse vegetables Systemic fungicide. See label for plant safety precautions and use directions.

Polyoxin D zinc salt
(Affirm WDG) REI 4 h, Group 19

Cucurbit vegetables: Powdery mildew, Botrytis, Corynespora leaf spot, scab, early blight

Fruiting vegetables: Powdery mildew, Botrytis, early blight, suppression of Anthracnose

Cucurbit vegetables, fruiting vegetables (eggplant, pepper, tomato) Preventative and curative fungicide. Active ingredient (Polyxin) is a natural antibiotic and fermentation product of a soil bacterium.

Potassium bicarbonate
(MilstopOG) REI 1 h
(ArmicarbOG) REI 4 h

Powdery mildew and others (see labels for more information)

Many vegetables (see labels) Contact fungicide. Thorough coverage essential. Potassium bicarbonate disrupts the potassium ion balance in the fungus cell, causing the cell walls to collapse.

Propamocarb HCl
(Previcur Flex) REI 12 h, Group 28

Root rot and damping off caused by Pythium, Phytophthora Tomatoes, cucurbits, peppers, leaf lettuce Systemic fungicide. Apply in the evening. Phytotoxicity may occur if applied directly to dry growing media, especially in intense sunlight.
Pyraclostrobin & boscalid
(Pageant Intrinsic) REI 12, Group 11 & 7
Crown and basal rot (Fusarium, Rhizoctonia, Sclerotinia), damping off, downy mildew (Peronospora, Plasmopara), spots and blights (Alternaria, Cercospora, Phoma, Septoria), Phytophthora blight, powdery mildew, Botrytis blight Tomato transplants for the home consumer market. Use preventatively. Pyraclostrobin has local systemic activity and translaminar activity. Boscalid is a preventative fungicide. Do not use for tomato transplants for agricultural production fields. Provides improved plant health and increased stress tolerance (research conducted on petunias, pansies, geraniums and impatiens).

Pyrimethanil
(Scala SC) REI 12h, Group 9

Gray mold (Botrytis), early blight (Alternaria) Tomatoes 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 sachalinsis extract
(Regalia PTOOG) REI 4 h, Group P5

Powdery mildew, downy mildew, bacterial leaf spot, early and late blight (depends upon crop). Many vegetables including bulb, Cole crops,  cucurbits, fruiting vegetables, leafy vegetables Formulation of an extract from the Giant knotweed. Use preventatively to increase the natural defense system of plants.

Streptomyces griseoviridis strain K 61 (MycostopOG) REI 4 h

Damping off (Alternaria, Rhizoctonia). Root diseases: Fusarium, Pythium, Phytophthora Many vegetable transplants Preventative biological fungicide. Contains a beneficial bacterium. Repeat applications may be needed. Use as a soil spray or drench.

Streptomycin lydicus 
(Actinovate Ag WYEC 108OG) REI 1 h

Suppression of soil borne fungi such as Fusarium, Rhizoctonia, Pythium, Phytophthora, and foliar diseases such as Downy mildew, Powdery mildew, Botrytis, Alternaria and others All greenhouse vegetables Preventative biological fungicide for suppression of root rot diseases and some foliar pathogens.

Streptomyces lydicus
(Actino-IronOG) REI 4 h

Suppression of Fusarium, Pythium, Rhizoctonia, Phytophthora, and others Greenhouse vegetables Preventative biological fungicide that suppresses certain diseases. Also, contains iron and humic acid.

Streptomycin sulfate
(Agri-mycin 17OG) REI 12 h, Group 25

Bacterial spot, speck Tomatoes and peppers Xylem mobile systemic fungicide. Repeated applications can result in resistant bacteria.

Sulfur
(Microthiol DisperssOG) REI 24 h,
Group M2
(Micro SulfOG) REI 24 h, Group M2

Powdery mildew See labels 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.
Thiophanate methyl
(3336 WP), REI 12 h, Group 1
Anthracnose, powdery mildew, Botrytis blight Vegetable transplants such as beans and cucumbers not for field production Xylem mobile systemic fungicide. Resistant populations of Botrytis are common in the greenhouse.
Trichoderma asperellum (CC012) & Trichoderma gamsii (CC 080)
(BioTam 2.0OG), REI 4 h
Fungal diseases such as Fusarium, Phytophthora, Pythium, Rhizoctonia, Sclerotina, Thielaviopsis and Verticillium Many greenhouse vegetables including Cole crops, fruiting, leafy and root vegetables Preventative biological fungicide. See label for specific directions on greenhouse and nursery drenches.

Trichoderma harzianum 
(PlantShield HC OG) REI 0 h
(RootShield WPOG) REI 0 h
(RootShield GranulesOG) REI 0 h

Root rots such as: Pythium, Rhizoctonia, Fusarium, Cylindrocladium and Thielaviopsis

Many vegetables (see labels)
RootShield Granules: Soil applications only

Preventative biological fungicide. It will not cure diseased plants. Avoid applications of fungicides at least one week before or after application. (Foliar applications only for non-food crops.)

Trichoderma harzianum &
Trichoderma virens
(RootShield Plus WPOG) REI 4 h
(RootShield Plus GOG) REI 0 h

Root rots such as Pythium, Phytophthora, Rhizoctonia, Fusarium, Cylindrocladium and Thielaviopsis Many Vegetables (see labels)
RootShield Plus Granules: Soil applications only
Preventative biological fungicide.

Triflumizole
(Procure 480 SC) REI 12 h, Group 3

Powdery mildew Cucurbit transplants Protectant and eradicant fungicide. Thorough coverage needed.

The symbol OG indicates a pesticide is listed by the Organic Materials Review Institute (OMRI) as approved for use in certified organic production.

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.

Organic Materials Review Institute (www.omri.org) is a non-profit organization whose mission is to publish information on lists of materials allowed for organic food production. Final decisions regarding organic use production reside with the USDA.