Integrated Pest Management Program Department of Plant Science and Landscape Architecture UConn Extension Selected Fungicides and Bactericides Labeled for Vegetable Bedding Plants and Transplants Fungicide Targeted Pest Labeled Crops Comments Azoxystrobin (Heritage) Group 11 Azoxystrobin & benzovindiflupyr (Mural) Group 11 and 7 Basic Copper Sulfate (Cuprofix Ultra 40 Disperss) (Cuproxat) 48 hr. REI Group M1 Bacillus amyloliquefaciens D747 (Double Nickel) (Triathlon BA) s Group 44 Leaf spots and blights, downy mildew, botrytis blight, powdery mildew, downy mildew (depending upon crop, see label) Leaf spots and blights, downy mildew, powdery mildew (see label, depending upon crop) Various leaf spots and blights, downy mildew, bacterial blight, late blight on tomatoes, bacterial spot (depending upon the crop, see label). Fungal and bacterial leaf spots and blights, downy mildew, powdery mildew, damping off (depending upon crops, see label) Vegetable plants grown for transplanting such as Cole crops, bulb vegetables, cucurbits, leafy vegetables, peppers Vegetable transplants grown for resale to consumerscucurbits, fruiting vegetables, tomatoes Many vegetables including cucumbers, eggplant, peppers, tomatoes Many vegetables including Cole crops, bulb vegetables, cucurbits, fruiting vegetables, leafy vegetables, and others Preventive and curative broad spectrum curative fungicide. See supplemental label for use on vegetable transplants. 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. 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. Broad spectrum, preventative biological fungicide. Begin applications when conditions in the greenhouse favor disease development.
Bacillus pumilus QST 2808 (Sonata) Group 44 Bacillus subtilis QST 713 (Cease) Group 44 Bacillus subtilis GBO3 (Companion Liquid Biological Fungicide) Group 44 Bacillus subtilis MB1 600 (Subtilis NG) Group 44 Downy mildew, powdery mildew on many different crops (see label) Early blight, late blight on tomatoes Fungal and bacterial leaf spots, powdery mildew, Botrytis blight, downy mildew (see label) Damping off fungi, root rots (Fusarium, Pythium, Phytophthora, Rhizoctonia) Botrytis, leaf spots, (fungal and bacterial), late blight, powdery mildew Rhizoctonia, Pythium, Fusarium, Powdery Mildew (depending upon crops, see label) Many including Cole crops, cucurbits, fruiting, and leafy vegetables Many including Cole crops, cucurbits, fruiting vegetables, leafy vegetables, and bulb vegetables Many including Cole crops, cucurbits, fruiting vegetables, leafy vegetables, bulb vegetables Cucurbits, fruiting vegetables Broad spectrum, preventative biological fungicide. Begin applications when conditions in the greenhouse favor disease development. Broad spectrum, preventative biological fungicide. Begin applications when conditions in the greenhouse favor disease development. Thorough coverage is essential. Preventative biological fungicide for control and suppression of soil and foliar diseases. Activates ISR (induced systemic resistance). Preventative biological fungicide. Growing media or foliar applications.
Copper Hydroxide (Champ Dry Prill, 2) Champ Formula 2 Flowable) 48 hr. REI (Champ WG) 48 hr. REI Group MI Leaf spots, anthracnose, bacterial spots, late blight and other diseases (see label) See labels for specific crops. Protectant, contact fungicide. See labels for specific usage instructions. Several Kocide products are available. (Kocide Products) 48 hr. REI Group M1 Copper oxychloride & Copper hydroxide (Badge X2) 2 (Badge SC) 2 Copper soap (Camelot O) Group M1 Organic Product Fungal and bacterial spots, and blights (depending upon crop, see labels) Bacterial and fungal leaf spots (many), powdery mildew, downy mildew, early blight, late blight and others (depending upon crop, see label) Greenhouse crops including eggplant, pepper, tomato Cole crops, lettuce, onion, tomato, potato, eggplant, pepper, cucurbits, leafy vegetables and others 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. Works by contact. See label for specific usage instructions and plant safety information
Copper Sulfate Pentahydrate (Phyton 35) 48 hr. REI Group MI Cyazafamid (Ranman) Group 21 Cottonseed oil, corn oil, garlic oil (Mildew Cure) Organic Product Dichloran (Botran 75W) Group 14 Fenhexamid (Decree 50 WDG) Group 17 Fludioxonil (Emblem) Group 12 Fungal and bacterial leaf spots (see label for specific crops/pests), downy mildews, powdery mildews, Botrytis Blight, and late blight on tomatoes Pythium damping off on tomato Powdery mildew Botrytis, White Mold (Sclerotinia) (depending upon crop, see label) Botrytis Cole crops: Alternaria leaf blight, suppression of Cercospora leaf blight Leafy vegetables: Alternaria leaf blight, Septoria leaf spot, Botrytis, Sclerotina rot, Phoma basal rot Cole crops, cucurbits, eggplant, pepper, tomato Tomato greenhouse transplant production Melons, squash, tomatoes, cucumbers Cucumbers, leaf lettuce, and tomatoes Fruiting vegetables, tomatoes, cucumber and leafy greens (except spinach) Vegetables including seedlings and transplants such as Cole crops, leafy vegetables Systemic bactericide and fungicide. Thorough coverage needed. Locally systemic fungicide. Apply as a drench. Contact fungicide. Thorough coverage needed. Spot test before widespread use. Preventative, contact fungicide. Seedlings or newly set transplants of tomatoes may be injured by drenching. Preventative translaminar fungicide. Resistant populations of Botrytis have been documented. Do not apply in the field. Protectant fungicide for certain vegetable seedlings and transplants.
Gliocladium catenulatum J446 (Prestop) 0 hr. REI Damping off, root and stem rot (Alternaria, Fusarium, Pythium, Rhizoctonia), Botrytis blight Greenhouse vegetables (see label for specific types) Preventive biological fungicide. Apply as a drench. Hydrogen dioxide & peroxyacetic acid (Oxidate 2.0) 0 hr. REI 1 hr. REI (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) Group 40 Pentachloronitrobenzene PCNB (Terraclor 400) Group 14 Penthiopyrad (Fontelis) Group 7 Downy Mildews, phytophthora blight, late blight on tomatoes (depending upon crop, see label) Root and stem rot, damping off (Rhizoctonia solani, Pellicularia filamentosa) Alternaria, botrytis, powdery mildew and various leaf spots and blights (depending upon crop, see label) Leafy and vegetable transplants grown in an enclosed greenhouse with permanent flooring for resale to consumers (see label) Vegetable bedding plants, see label for specifics Tomato, peppers, edible peel cucurbits Contact, protectant and translaminar fungicide for vegetable transplants for sale to consumers. See label for specific use instructions. Protectant, contact fungicide. Apply as a soil drench. Broad spectrum fungicide with preventative, curative, and locally systemic activity. See label for plant safety information.
Petrolelum Oil (SuffOil X) Powdery mildew Greenhouse vegetables crops (see label) Works by contact. Thorough coverage of all plant parts is important. Phosphorus Acid (Alude) Group 33 Phosphorus Acid (Fosphite) Group 33 Phosphorus Acid (K Phite 7LP) Group 33 Polyoxin D zinc salt (Affirm WDG) Group 19 Downy mildew, Phytophtora spp., Pythium spp. Downy mildew, powdery mildew, Phytophthora, Pythium, Fusarium, Rhizoctonia Downy mildew, Phytophthora, Pythium Cucurbit vegetables: Powdery mildew, botrytis, leaf spot, scab, early blight Fruiting vegetables: Powdery mildew, Botrytis, early blight, suppression of anthracnose Brassicas, cucurbits, peppers, tomatoes, leafy vegetables Many vegetables (see label) Greenhouse vegetables Cucurbit vegetables, fruiting vegetables (eggplant, pepper, tomato) Systemic fungicide. See label for plant safety precautions and use directions. Systemic fungicide. See label for plant safety precautions and use directions. Systemic fungicide. See label for plant safety precautions and use directions Preventative and curative fungicide. Active ingredient (Polyxin) is a natural antibiotic and fermentation product of a soil bacterium. Potassium bicarbonate (Milstop) 1 hr. REI (Armicarb O ) Powdery mildew and others (see labels for more information) Many vegetables (see labels) Contact fungicide. Through coverage essential. Potassium bicarbonate disrupts the potassium ion balance in the fungus cell, causing the cell walls to collapse.
Propamocarb HCl (Previcur Flex) Group 28 Pyraclostrobin and boscalid (Pageant Intrinsic) Group 11 and 7 Pyrimethanil (Scala SC) Group 9 Reynoutria sachalinensis extract (Regalia PTO) Group P5 Streptomyces K 61 (Mycostop) Root rot and damping off caused by Pythium, Phytophthora Crown and basal rot (Fusarium, Rhizoctonia, Sclerotina) Damping off (Rhizoctonia, Pythium) Downy Mildew (Peronospora, Plasmopara) Spots and blights (Alternaria, Cercospora, Phoma, Septoria), Phytophthora blight, botrytis blight Powdery mildew Gray mold (Botrytis), Early Blight (Alternaria) Powdery mildew, downy mildew, bacterial leaf spot, early and late blight (depends upon crop, see label) Damping off (Alternaria, Rhizoctonia) Root diseases: Fusarium, Phytophthora, Pythium Tomatoes, cucurbits, peppers, leaf lettuce Tomato transplants for the home consumer market Tomatoes Many vegetables including bulb, Cole crops, cucurbits, fruiting vegetables, and leafy vegetables Many vegetable transplants Systemic fungicide. Apply in the evening. Phytotoxicity may occur if applied directly to dry growing media, especially in intense sunlight. Use preventively. Pyraclostrobin has local systemic activity and translaminar activity. Boscalid is a preventive fungicide. Do not use for tomato transplants for agricultural production fields. Improved plant health and increased stress tolerance (research conducted on petunias, pansies, geraniums, and impatiens). 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%. Formulation of an extract from the Giant Knotweed. Use preventatively to increase the natural defense system of plants. Preventative biological fungicide. Contains a beneficial bacterium. Repeat applications may be needed. Use as a soil spray or drench.
Streptomycin lydicus (Actinovate AG WYEC 108) 1 hr. REI Streptomyces lydicus (Actino-Iron) Streptomycin sulfate (Agri-mycin 17) Group 25 Sulfur (Microthiol Disperss) (Micro Sulf) s 2 Group M2 Suppression of soil borne fungi such as Fusarium, Rhizoctonia, Pythium, Phytophthora, and foliar diseases such as downy mildew, powdery mildew, Botrytis blight, Alternaria Suppression of Fusarium, Pythium, Rhizoctonia, Phytophthora, and others All greenhouse vegetables Greenhouse vegetables. Preventative biological fungicide for suppression of root rot diseases and some foliar pathogens. Preventive biological fungicide that suppresses certain diseases. Contains iron and humic acid. Bacterial spot and speck Tomatoes and peppers Xylem mobile fungicide. Repeated applications can result in resistant bacteria. Powdery mildew See labels Contact fungicide. Crops grown in greenhouses may be more sensitive to sulfur injury, so the lowest label right should be tried initially. Do not use within two weeks of oil spray treatment. Thiophanate methyl (3336 WP) Group 1 Anthracnose, powdery Mildew, botrytis blight Vegetable transplants such as beans and cucurbits. 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 2.0) Fungal diseases such as Fusarium, Phytophthora, Pythium, Rhizoctonia, Sclerotina, Thielaviopsis, and Verticillicum Many greenhouse vegetables including Cole crops, fruiting, leafy and root vegetables. Preventive biological fungicide. See label for specific directions on greenhouse and nursery drenches. Trichoderma harzianum (PlantShield HC) (RootShield granules) (RootShield WP) 0 hr. REI s Root rots such as Pythium, Rhizoctonia, Fusarium, Cylindrocladium and Thielaviopsis Many vegetables, see label 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 G) 0 hr. REI (Rootshield Plus WP) s Triflumizole (Procure 480 SC) Group 3 Root rots such as Pythium, Phytophthora, Rhizoctonia, Fusarium, Cylindrocladium and Thielaviopsis Many vegetables, see label Rootshield Plus granules: soil applications only Preventative biological fungicide. Powdery mildew Cucurbit transplants Protectant and eradicant fungicide. Thorough coverage needed. 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. Always follow label instructions regarding registered uses and note cautions. To avoid any phytotoxicity problems, spot test first before widespread use.
* Fungicides are grouped by their mode of action (MoA) and each MoA group is assigned a Fungicide Resistance Action Committee (FRAC) code. Most systemic fungicides (that are absorbed into plant tissues) are specific in their mode of action. Protectant fungicides are less likely to develop resistance problems as they have multi-site modes of action (M). To prevent the development of resistance, alternative applications among different FRAC codes and incorporate biological fungicides into your disease management plan. See http://www.frac.info/ By Leanne Pundt, Extension Educator University of Connecticut and Tina Smith, Extension Educator University of Massachusetts 2007. Updated 2016 Disclaimer for Fact Sheets: The information in this document is for educational purposes only. The recommendations contained are based on the best available knowledge at the time of publication. Any reference to commercial products, trade or brand names is for information only, and no endorsement or approval is intended. UConn Extension does not guarantee or warrant the standard of any product referenced or imply approval of the product to the exclusion of others which also may be available. The University of Connecticut, UConn Extension, College of Agriculture, Health and Natural Resources is an equal opportunity program provider and employer.