Homeowner’s Guide to Managing Diseases Using Fungicides, Bactericides, and Alternative Products |
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Introduction
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This guide is published to help homeowners select fungicides, bactericides, and alternative products that will help prevent or manage common diseases in the landscape or garden. Chemical control options should be considered as part of an integrated approach to manage disease. The following cultural practices should also be included in an integrated management plan: sanitation of tools and equipment supplying appropriate water rotating crops planting disease-resistant varieties implementing other practices to promote plant health (for example, proper soil conditions, plant nutrition, and reduction of plant stressors).Common diseases of herbaceous ornamentals, woody ornamentals, lawns, fruit trees, small fruits, and vegetables are listed in the following tables along with the most effective fungicides, bactericides, and alternative products available to homeowners for their management. These lists are not exhaustive, and the inclusion of specific products in this publication does not imply endorsement by North Carolina State University or discrimination against similar products or services not mentioned. Homeowners should take great care to read and follow the entire label of any product before treatment. The label indicates approved crops, safety precautions, timing, dilution instructions (if applicable), and application rates. Products listed below are sold at most garden centers. Product names can change, so it is important to look for the active ingredient if you cannot find the product name. Note that many products contain multiple active ingredients, targeting insects or mites as well as diseases. Products that contain an insecticide are followed by an asterisk, while products that are considered to be organic are followed with an “O”. Products and Labeled Usage by Active Ingredient Skip to Products and Labeled Usage by Active IngredientHerbaceous Ornamentals (Annuals and Perennials) Active Ingredient Product Labeled Usage Bacillus sp. Gardens Alive! Garden Sentinel Biofungicide O Southern Ag Garden Friendly Fungicide O Serenade Garden Disease Control O Natria Disease Control O Anthracnose Bacterial leaf spot Leaf spot and blight Powdery and downy mildew Crown rot Gray mold Boscalid Bonide Fruit Tree and Plant Guard* Leaf spot and blight Anthracnose Crown rot Gray mold Powdery and downy mildew Captan Hi-Yield Captan 50W Fungicide Bonide Fruit Tree Spray* Anthracnose Leaf and blossom blight Gray mold Sooty blotch Chlorothalonil Bonide Fung-onil Multi-Purpose Fungicide Daconil Garden Fungicide Ferti-Lome Broad Spectrum Landscape and Garden Fungicide Hi-Yield Vegetable, Flower, Fruit, and Ornamental Fungicide Ortho Garden Disease Control Leaf spot and blight Powdery and downy mildew Rust Anthracnose
Citric Acid Procidic 16 oz. Concentrate Fungicide and Bactericide O Anthracnose Downy mildew Fusarium Gray mold Leaf blight Powdery mildew Copper Compounds Monterey Liqui-Cop Fungicide Southern Ag Liquid Copper Fungicide Bonide Copper Fungicide Concentrate O Leaf spot and blight Anthracnose Rust Powdery and downy mildew Bacterial leaf spot Gray mold Essential Oils Monterey All Natural 3-in-1 Garden Insect Control O Powdery mildew Rust Leaf spot and blight Anthracnose Mineral Oil Bonide All Seasons Horticulture and Dormant Spray Oil O Leaf spot Gray mold Rust Powdery mildew Myclobutanil Spectracide Immunox Multi-Purpose Fungicide Crown rot Powdery mildew Leaf spot Leaf and blossom blight Rust Anthracnose Neem Oil Bonide Neem Oil Fungicide, Miticide, and Insecticide O Bonide Rose Rx 3-in-1 Multi-Purpose Fungicide, Insecticide, and Miticide O Southern Ag Triple Action Neem Oil O Natria Neem Oil Ferti-Lome Fruit Tree Spray* Garden Safe Fungicide3 O Garden Safe Neem Oil Extract O Monterey 70% Neem Oil O Bonide Bon-Neem* Ferti-Lome Triple Action* Ferti-Lome Triple Action Plus II* Ferti-Lome Triple Action Plus* Anthracnose Leaf spot Rust Powdery mildew Gray mold Leaf and blossom blight Propiconazole Ferti-Lome Systemic Fungicide II Liquid Bonide Infuse Ferti-Lome Systemic Fungicide Liquid
Leaf spot and blight Powdery mildew Rust Anthracnose Sesame Oil Organocide Bee Safe 3-in-1 Garden Spray O
Powdery and downy mildew Leaf spot and blight Sulfur Bonide Sulfur Plant Fungicide O Hi-Yield Dusting Wettable Sulfur Safer Garden Fungicide Natria Insect, Disease, and Mite Control* Bonide Citrus Fruit and Nut Orchard Spray* MiracleGro Nature’s Care 3-in-1 Insect, Disease, and Mite Control* Natria Rose & Flower Insect, Disease, and Mite Control* Ortho Insect, Mite, and Disease 3-in-1* Safer 3-in-1 Garden Spray O Leaf spot Powdery mildew Leaf and stem blight Rust Gray mold
Tebuconazole Bio Advanced 3-in-1 Insect, Disease, and Mite Control* Bio Advanced Disease Control for Roses, Flowers, and Shrubs Bio Advanced All-in-One Rose and Flower Care* Leaf spots and blight Powdery mildew Rust Anthracnose Southern blight Triticonazole Ortho Rose and Flower Disease Control Powdery mildew Leaf spot Anthracnose Rust * Formulation includes insecticides. Read label carefully and take listed precautions. O Product considered organic. Woody Ornamentals Active Ingredient Product Labeled Usage Bacillus sp. Gardens Alive! Garden Sentinel Biofungicide O Southern Ag Garden Friendly Fungicide O Serenade Garden Disease Control O Natria Disease Control O Anthracnose Bacterial leaf spot Leaf spot and blight Powdery and downy mildew Crown rot Gray mold Rust Scab Boscalid Bonide Fruit Tree and Plant Guard* Leaf spot and blight Anthracnose Crown rot Gray mold Powdery and downy mildew Captan Hi-Yield Captan 50W Fungicide Bonide Fruit Tree Spray* Anthracnose Leaf, twig, and blossom blight Downy mildew Gray mold Sooty blotch Chlorothalonil Bonide Fung-onil Multi-Purpose Fungicide Daconil Garden Fungicide Ferti-Lome Broad Spectrum Landscape and Garden Fungicide Hi-Yield Vegetable, Flower, Fruit, and Ornamental Fungicide Ortho Garden Disease Control Leaf spot and blight Powdery and downy mildew Rust Anthracnose Stem canker Copper Compounds Monterey Liqui-Cop Fungicide Southern Ag Liquid Copper Fungicide Bonide Copper Fungicide Concentrate O Leaf spot and blight Scab Blossom and shoot blast Anthracnose Rust Powdery and downy mildew Bacterial leaf spot Gray mold Essential Oils Monterey All Natural 3-in-1 Garden Insect Control O Dr. Earth Final Stop Disease Control Fungicide O Powdery and downy mildew Rust Leaf spot and blight Anthracnose Scab Bacterial leaf spot Mineral Oil Bonide All Seasons Horticulture and Dormant Spray Oil O Leaf spot Gray mold Rust Powdery mildew Myclobutanil Spectracide Immunox Multi-Purpose Fungicide Crown rot Powdery mildew Leaf spot Leaf and blossom blight Rust Anthracnose Neem Oil Bonide Neem Oil Fungicide, Miticide, and Insecticide O Bonide Rose Rx 3-in-1 Multi-Purpose Fungicide, Insecticide, and Miticide O Southern Ag Triple Action Neem Oil O Natria Neem Oil Ferti-Lome Fruit Tree Spray* Garden Safe Fungicide3 O Garden Safe Neem Oil Extract O Monterey 70% Neem Oil O Bonide Bon-Neem* Ferti-Lome Triple Action* Ferti-Lome Triple Action Plus II* Ferti-Lome Triple Action Plus* Anthracnose Leaf spot Rust Powdery and downy mildew Gray mold Leaf, twig, and blossom blight Scab Propiconazole Ferti-Lome Systemic Fungicide II Liquid Bonide Infuse Ferti-Lome Systemic Fungicide Liquid
Leaf spot and blight Powdery mildew Rust Anthracnose Sesame Oil Organocide Bee Safe 3-in-1 Garden Spray O
Powdery and downy mildew Leaf spot and blight Sulfur Bonide Sulfur Plant Fungicide O Hi-Yield Dusting Wettable Sulfur Safer Garden Fungicide Natria Insect, Disease, and Mite Control* Bonide Citrus Fruit and Nut Orchard Spray* MiracleGro Nature’s Care 3-in-1 Insect, Disease, and Mite Control* Natria Rose & Flower Insect, Disease, and Mite Control* Ortho Insect, Mite, and Disease 3-in-1* Safer 3-in-1 Garden Spray O Leaf spot Powdery mildew Leaf and stem blight Rust Canker Gray mold
Tebuconazole BioAdvanced 3-in-1 Insect, Disease, and Mite Control* BioAdvanced Disease Control for Roses, Flowers, and Shrubs BioAdvanced All-in-One Rose and Flower Care* Leaf spot and blight Powdery mildew Rust Anthracnose Southern blight Boxwood blight Triticonazole Ortho Rose and Flower Disease Control Powdery mildew Leaf spot Anthracnose Rust * Formulation includes insecticides. Read label carefully and take listed precautions. O Product considered organic. Lawns Active Ingredient Product Labeled Usage Azoxystrobin Heritage Strobe Scotts Disease EX Lawn Fungicide Brown, Microdochium, pink, summer, and yellow patch Fairy ring Rusts Leaf spot Anthracnose Red thread Powdery mildew Southern blight Necrotic ring spot Red thread Take-all patch Myclobutanil Ferti-Lome F-Stop Fungicide Granules Spectracide Immunox Multi-Purpose Fungicide Anthracnose Brown and summer patch Dollar spot Powdery mildew Red thread Rusts Necrotic ring spot Take-all patch Propiconazole Banner MAXX Propiconazole 14.3 BioAdvanced Fungus Control for Lawns Bonide Infuse Ferti-Lome Systemic Fungicide Liquid Spectracide Immunox Fungus Plus Insect Control for Lawns Anthracnose Brown, Microdochium, pink, yellow, and summer patch Dollar spot Powdery mildew Red thread Rusts Necrotic ring spot Take-all patch Thiophanate-methyl 3336 TM Scotts Lawn Fungus Control Gray leaf spot Dollar spot Necrotic ring spot Summer patch * Formulation includes insecticides. Read label carefully and take listed precautions. O Product considered organic. Fruit Trees Active Ingredient Product Labeled Usage Bacillus sp. Gardens Alive! Garden Sentinel Biofungicide O Southern Ag Garden Friendly Fungicide O Serenade Garden Disease Control O Natria Disease Control O Anthracnose Bacterial leaf spot Leaf spot and blight Powdery and downy mildew Crown rot Gray mold Rust Scab Boscalid Bonide Fruit Tree and Plant Guard* Leaf spot and blight Anthracnose Crown rot Gray mold Powdery and downy mildew Scab Fruit rot Sooty blotch Rust Captan Hi-Yield Captan 50W Fungicide Bonide Fruit Tree Spray Anthracnose Leaf, twig, and blossom blight Scab Downy mildew Gray mold Sooty blotch Fruit rot Chlorothalonil Bonide Fung-onil Multi-Purpose Fungicide Daconil Garden Fungicide Ferti-Lome Broad Spectrum Landscape and Garden Fungicide Hi-Yield Vegetable, Flower, Fruit, and Ornamental Fungicide Ortho Garden Disease Control Leaf spot and blight Powdery and downy mildew Rust Anthracnose Stem canker Gray mold Helminthosporium Scab Citric Acid Procidic 16 oz. Concentrate Fungicide and Bactericide O Anthracnose Downy mildew Fusarium Gray mold Leaf blight Powdery mildew Scab Copper Compounds Monterey Liqui-Cop Fungicide Southern Ag Liquid Copper Fungicide Bonide Copper Fungicide Concentrate O Leaf spot and blight Scab Canker Blossom and shoot blast Anthracnose Rust Powdery and downy mildew Bacterial leaf spot Gray mold Essential Oils Monterey All Natural 3-in-1 Garden Insect Control O Dr. Earth Final Stop Disease Control Fungicide O Powdery and downy mildew Rust Leaf spot and blight Anthracnose Scab Bacterial leaf spot Leaf curl Mineral Oil Bonide All Seasons Horticulture and Dormant Spray Oil O Leaf spot Gray mold Rust Powdery mildew Myclobutanil Spectracide Immunox Multi-Purpose Fungicide Crown rot Powdery mildew Leaf spot Leaf and blossom blight Rust Anthracnose Neem Oil Bonide Neem Oil Fungicide, Miticide, and Insecticide O Bonide Rose Rx 3-in-1 Multi-Purpose Fungicide, Insecticide, and Miticide O Southern Ag Triple Action Neem Oil O Natria Neem Oil Ferti-Lome Fruit Tree Spray* Garden Safe Fungicide3O Garden Safe Neem Oil Extract O Monterey 70% Neem Oil O Bonide Bon-Neem* Ferti-Lome Triple Action* Ferti-Lome Triple Action Plus II* Ferti-Lome Triple Action Plus* Anthracnose Leaf spot Rust Powdery and downy mildew Gray mold Leaf, twig, and blossom blight Scab Propiconazole Bonide Infuse
Leaf spot and blight Powdery mildew Rust Anthracnose Fruit rot Tip blight Sesame Oil Organocide Bee Safe 3-in-1 Garden Spray O
Powdery and downy mildew Leaf spot and blight Sulfur Bonide Sulfur Plant Fungicide O Hi-Yield Dusting Wettable Sulfur Safer Garden Fungicide Natria Insect, Disease, and Mite Control* Bonide Citrus Fruit and Nut Orchard Spray* MiracleGro Nature’s Care 3-in-1 Insect, Disease, and Mite Control* Natria Rose & Flower Insect, Disease, and Mite Control* Ortho Insect, Mite, and Disease 3-in-1* Safer 3-in-1 Garden Spray O Leaf spot Powdery mildew Leaf and stem blight Rust Canker Gray mold Scab * Formulation includes insecticides. Read label carefully and take listed precautions. O Product considered organic. Small Fruits (Blackberry, Blueberry, Boysenberry, Caneberry, Currant, Gooseberry, Grape, Loganberry, Raspberry, and Strawberry) Active Ingredient Product Labeled Usage Bacillus sp. Gardens Alive! Garden Sentinel Biofungicide O Southern Ag Garden Friendly Fungicide O Serenade Garden Disease Control O Natria Disease Control O Anthracnose Bacterial leaf spot Leaf spot and blight Powdery and downy mildew Crown rot Gray mold Rust Scab Fruit rot Captan Hi-Yield Captan 50W Fungicide Bonide Fruit Tree Spray Anthracnose Leaf, twig, and blossom blight Scab Downy mildew Gray mold Sooty blotch Fruit rot Mummy berry Chlorothalonil Bonide Fung-onil Multi-Purpose Fungicide Daconil Garden Fungicide Ferti-Lome Broad Spectrum Landscape and Garden Fungicide Hi-Yield Vegetable, Flower, Fruit, and Ornamental Fungicide Leaf spot and blight Powdery and downy mildew Rust Anthracnose Mummy berry Stem canker Gray mold Citric Acid Procidic 16 oz. Concentrate Fungicide and Bactericide O Anthracnose Powdery and downy mildew Fusarium Gray mold Leaf blight Scab Copper Compounds Monterey Liqui-Cop Fungicide Southern Ag Liquid Copper Fungicide Bonide Copper Fungicide Concentrate O Leaf spot and blight Scab Canker Blossom and shoot blast Anthracnose Rust Powdery and downy mildew Bacterial leaf spot Gray mold Essential Oils Monterey All Natural 3-in-1 Garden Insect Control O Dr. Earth Final Stop Disease Control Fungicide O Powdery and downy mildew Rust Leaf spot and blight Anthracnose Scab Bacterial leaf spot Leaf curl Bunch rot Mineral Oil Bonide All Seasons Horticulture and Dormant Spray Oil O Leaf spot Gray mold Rust Powdery mildew Myclobutanil Spectracide Immunox Multi-Purpose Fungicide Crown rot Powdery mildew Leaf spot Leaf and blossom blight Rust Anthracnose Neem Oil Bonide Neem Oil Fungicide, Miticide, and Insecticide O Bonide Rose Rx 3-in-1 Multi-Purpose Fungicide, Insecticide, and Miticide O Southern Ag Triple Action Neem Oil O Natria Neem Oil Ferti-Lome Fruit Tree Spray* Garden Safe Fungicide3 O Garden Safe Neem Oil Extract O Monterey 70% Neem Oil O Bonide Bon-Neem* Ferti-Lome Triple Action* Ferti-Lome Triple Action Plus II* Ferti-Lome Triple Action Plus* Anthracnose Leaf spot Rust Powdery and downy mildew Gray mold Leaf, twig, and blossom blight Scab Propiconazole Bonide Infuse
Leaf spot and blight Powdery mildew Rust Anthracnose Fruit rot Tip blight Sesame Oil Organocide Bee Safe 3-in-1 Garden Spray O
Powdery and downy mildew Leaf spot and blight Sulfur Bonide Sulfur Plant Fungicide O Safer Garden Fungicide Natria Insect, Disease, and Mite Control* Bonide Citrus Fruit and Nut Orchard Spray* Ortho Insect, Mite, and Disease 3-in-1* Safer 3-in-1 Garden Spray O Leaf spot Powdery mildew Leaf and stem blight Rust Canker Gray mold Scab Sooty blotch * Formulation includes insecticides. Read label carefully and take listed precautions. O Product considered organic. Vegetables Active Ingredient Product Labeled Usage Bacillus sp. Gardens Alive! Garden Sentinel Biofungicide O Southern Ag Garden Friendly Fungicide O Serenade Garden Disease Control O Natria Disease Control O Anthracnose Bacterial leaf spot Leaf spot and blight Powdery and downy mildew Early and late blight Crown rot Gray mold Rust Scab Fruit rot Boscalid Bonide Fruit Tree and Plant Guard* Leaf spot and blight Powdery mildew Sooty blotch Rust Anthracnose Fruit rot Gray mold Gummy stem blight Early and late blight Chlorothalonil Bonide Fung-onil Multi-Purpose Fungicide Daconil Garden Fungicide Ferti-Lome Broad Spectrum Landscape and Garden Fungicide Hi-Yield Vegetable, Flower, Fruit, and Ornamental Fungicide Ortho Garden Disease Control Leaf spot and blight Powdery and downy mildew Rust Anthracnose Early and late blight Gummy stem blight Stem canker Gray mold Citric Acid Procidic 16 oz. Concentrate Fungicide and Bactericide O Anthracnose Powdery and downy mildew Fusarium Gray mold Leaf blight Scab Copper Compounds Monterey Liqui-Cop Fungicide Southern Ag Liquid Copper Fungicide Bonide Copper Fungicide Concentrate O Leaf spot and blight Scab Canker Blossom and shoot blast Anthracnose Rust Powdery and downy mildew Bacterial leaf spot Early and late blight Gummy stem blight Gray mold Essential Oils Monterey All Natural 3-in-1 Garden Insect Control O Dr. Earth Final Stop Disease Control Fungicide O Powdery and downy mildew Rust Leaf spot and blight Anthracnose Scab Bacterial leaf spot Leaf curl Early and late blight Mineral Oil Bonide All Seasons Horticulture and Dormant Spray Oil O Leaf spot Gray mold Rust Powdery mildew Gummy stem blight Myclobutanil Spectracide Immunox Multi-Purpose Fungicide Leaf spot and blight Powdery mildew Rust Scab Anthracnose Blossom blight Neem Oil Bonide Neem Oil Fungicide, Miticide, and Insecticide O Bonide Rose Rx 3-in-1 Multi-Purpose Fungicide, Insecticide, and Miticide O Southern Ag Triple Action Neem Oil O Natria Neem Oil Ferti-Lome Fruit Tree Spray* Garden Safe Fungicide3 O Garden Safe Neem Oil Extract O Monterey 70% Neem Oil O Bonide Bon-Neem* Ferti-Lome Triple Action* Ferti-Lome Triple Action Plus II* Ferti-Lome Triple Action Plus* Anthracnose Leaf spot Rust Powdery and downy mildew Gray mold Leaf, twig, and blossom blight Scab Sesame Oil Organocide Bee Safe 3-in-1 Garden Spray O
Powdery and downy mildew Leaf spot and blight Sulfur Hi-Yield Dusting Wettable Sulfur Safer Garden Fungicide Natria Insect, Disease, and Mite Control* Bonide Citrus Fruit and Nut Orchard Spray* Bonide Tomato and Vegetable Concentrate* MiracleGro Nature’s Care 3-in-1 Insect, Disease, and Mite Control* Ortho Insect, Mite, and Disease 3-in-1* Safer 3-in-1 Garden Spray O Leaf spot Powdery mildew Leaf and stem blight Rust Canker Gray mold Scab Sooty blotch * Formulation includes insecticides. Read label carefully and take listed precautions. O Product considered organic. Acknowledgments Skip to AcknowledgmentsThe authors would like to thank Lucy Bradley, Lee Butler, and Michael Munster for reviewing this publication. Suzette Sharpe and Sydney Meadows contributed significantly to the preparation of this factsheet. Authors Ella Reeves Research Assistant Entomology & Plant Pathology Inga Meadows Extension Associate, Vegetable and Herbaceous Ornamental Pathology Entomology & Plant Pathology Keywords: Pest Management Pesticides Disease Management Ipm Bactericide Homeowners FungicidesFind more information at the following NC State Extension websites: Extension Master Gardener℠ Volunteers Extension Plant Pathology Gardening Horticulture Integrated Pest Management Mountain Horticultural Crops Research and Extension Center NC Pesticide Safety EducationPublication date: April 1, 2021 Revised: March 10, 2022 AG-896 Related PublicationsRecommendations for the use of agricultural chemicals are included in this publication as a convenience to the reader. The use of brand names and any mention or listing of commercial products or services in this publication does not imply endorsement by NC State University or N.C. A&T State University nor discrimination against similar products or services not mentioned. Individuals who use agricultural chemicals are responsible for ensuring that the intended use complies with current regulations and conforms to the product label. Be sure to obtain current information about usage regulations and examine a current product label before applying any chemical. For assistance, contact your local N.C. Cooperative Extension county center. N.C. Cooperative Extension prohibits discrimination and harassment regardless of age, color, disability, family and marital status, gender identity, national origin, political beliefs, race, religion, sex (including pregnancy), sexual orientation and veteran status. This publication printed on: Sept. 10, 2023URL of this page Receive Email Notifications for New Publications |
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