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Prime Source Chlorothalonil 720 Select
5 out of 5 stars (1)
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A professional contact fungicide that controls diseases on turf and ornamental plants

Prime Source Propiconazole 14.3 Select Fungicide
4 out of 5 stars (1)
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A professional systemic fungicide that provides preventive and curative control of diseases in turf-grass and ornamental plants.

Dithane 75DF Rainshield Specialty Fungicide
5 out of 5 stars (1)
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A professional broad-spectrum fungicide that will provide rain-fast disease control to protect a variety of ornamentals and turf.

Propiconazole 14.3
5 out of 5 stars (1)
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A professional fungicide that controls a variety of diseases for cool and warm-season grasses, trees, shrubs, and flowers.

Ferti-Lome Horticultural Oil Spray RTS
4 out of 5 stars (1)
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A fungicide insecticide that controls diseases and insects for fruits, vegetables and ornamental plants.

Bayer Advanced Natria Insect, Disease and Mite Control
4 out of 5 stars (2)
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A 3-in-1 spray with an insecticide, fungicide and Mites, including Spider Mites, for roses, vegetables, flowers, shrubs and houseplants.

Strobe 50WG
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A professional systemic fungicide that controls a wide range of plant diseases for preventative and existing conditions.

Monterey Liqui-Cop RTS
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Ready-to-spray liquid copper fungicide for disease prevention on fruit & nut trees and citrus trees.

Monterey Fruit Tree Spray Plus
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A fungicide, insecticide and miticide in one that will prevent and control diseases, insects, and mites for organic gardening.

Prime Source Myclo 20EW Fungicide
5 out of 5 stars (1)
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A professional systemic fungicide for preventative and curative control of fungal diseases in ornamentals, turf-grass and fruit trees.

Banol Fungicide
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A professional fungicide and Pythium control golf courses, sod farms and ornamental plants in greenhouses and nurseries.

Bayer Bayleton 50 Fungicide WSP
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A professional systemic fungicide that controls diseases for turf-grass and ornamental plants golf courses, sod farms, residential and commercial lawns and grounds.

SePRO Pentathlon
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A professional fungicide that controls fungal diseases on turf-grasses on golf courses, sod farms and commercial property, plus ornamental plants.

Dorado Fungicide Generic Banner Maxx II
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A professional broad spectrum and systemic disease control for turf and ornamentals, and same active ingredient as Banner Maxx II.

Monterey Neem Oil RTU
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A ready-to-use spray bottle organic insecticide and fungicide for organic gardening.

Agrisel Chlorosel Pro 720 Fungicide
5 out of 5 stars (1)
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A professional fungicide that provides effective fungal disease control on turf-grass, ornamental plants and golf courses.

Junction Fungicide/Bactericide
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A professional broad-spectrum fungicide/bactericide for greenhouses, sod farms and golf courses.

Terraclor 400 Ornamental Fungicide
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A professional fungicide for the prevention and control of soil borne pathogens caused by Rhizoctonia solani and other soil borne diseases.

Cleary Torque Turf and Ornamental Fungicide
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A professional liquid fungicide that provides curative and preventive disease control for golf course turf and ornamental plants.

Clearys Affirm WDG
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A professional fungicide that controls and suppresses disease in turf, ornamental plants, fruits and vegetables.

Prime Source Tebuconazole 3.6
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A professional fungicide that controls damaging diseases that are found in many turf-grass and ornamentals.

Prime Source Chlorothalonil 82.5DF Select
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A broad spectrum, long-residual contact fungicide.

30 Seconds Outdoor Cleaner
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Cleans stains from algae, mold, mildew that is safe around lawns and plants and kills lichen and moss.

Monterey Bi-Carb Old Fashioned Fungicide
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A fungicide for the control of powdery mildew on fruits & fruit trees, herbs & spices, ornamentals, roses and vegetables.


Lawn & Garden Safe Fungus & Disease Control Products

Fungicides have long been part of disease management in gardens, greenhouses, and lawns. In do it yourself lawn care, lawn diseases and garden diseases can be difficult to control and get rid of, and fungus-based diseases are no different. Since it can be tricky, knowing more about fungicides, how they work, and how to use them can help you choose the best product for your needs. 

Here are the top five lawn diseases and how you can identify, inspect for, treat, and prevent them:

Fungicides for Disease Control

Fungicides are chemicals or ingredients that inhibit the growth of fungi on plants. There are many different active ingredients that help to achieve control, and different ingredients will work for certain plants and certain diseases. The types of diseases fungicides control include rots, spots, and rusts, among others and you can use fungicides to treat lawns (turf & grass), gardens, and other plants, even indoors. Fungicides only help manage some plant diseases and will only work on infections plant diseases if the disease is truly caused by fungi. 

Types of Fungicides

Fungicides come in a wide variety of applications, from liquids to granules and organic to commercial and can be systemic or contact. 

Systemic Fungicides: A type of fungicide that moves through the plant to provide post infection treatment. Not all systemic fungicides will flow through the entire plant, but instead will only treat certain parts.

Knowing that there are different kinds of fungicides, it can be difficult to choose the right product for your needs. There is a long list of chemical ingredients to control fungus. Natural or organic formulations commonly contain sulfur, copper, oils, and bicarbonates as the active ingredient:

  • Sulfur is commonly used to prevent powdery mildew, black spots, and rusts and must be applied as a preventative. 
  • Copper can damage plants but a copper sulfate with lime mixture (Bordeaux mixture) makes it safer for plants as well as antibacterial. 
  • Oils, like horticultural oils, are commonly used for insect control, but controlling insects can prevent the spread of diseases carried by insects like aphids. 
  • Bicarbonates (baking soda) have been used for many years and is very effective when combined with oils.

Using Fungicides

The most important part about using fungicides is choosing the right one for both the disease you need to treat and the plant with the disease. Identifying the plant disease can be very difficult. If you’re not sure, contact your local extension office or master gardener for help. The product must be applied at the right time of year and frequently enough, so using the wrong product can result in the disease being left untreated or damage to the plant. Keep these things in mind when using a fungicide:

  • Always check the product label to ensure the plant you wish to treat is listed.
  • The rates and doses listed on the product must be followed. If the product is not working, do not increase the dose or rate; you may have chosen the wrong product and over-applying will damage the plants. 
  • Fungicides are very effective preventatively. Once the pathogen has entered the plant tissue, it can be very hard to get rid of it.
  • Many formulas are contact fungicides, which means they will only protect what it has come in contact with. You must ensure the entire surface of the plant has been treated with the product. Any time the product degrades or the plant outgrows the application, the plant is no longer protected.
  • You will most likely have to reapply the fungicide in 7-14 day intervals over the growing season due to weathering and chemical breakdown.

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