Mar 7, 2024 · A good practice is to start with a relatively low concentration, such as 1 tablespoon of vinegar per gallon, and observe its effect. If you experience good control of the mildew and your plants seem healthy, continue at that ratio. If your plants show stress after being misted, reduce the amount of vinegar.Apr 13, 2020 · How to Use the Chamomile Fungicide for Plants. You can use this spray in one of two ways. First of all, you can use the mixture to water seedlings. Alternatively, you can pour the mix into a spray bottle and use it to mist plants and soil daily. If you have established plants, you can also use this chamomile …Jun 20, 2023 · Copper fungicide is a useful tool in the gardener’s arsenal. Source: Lorin Nielsen. Copper fungicide isn’t just one singular product. It’s a category of products with copper as an active ingredient used to prevent bacterial and fungal diseases to save your garden. The active ingredient is the positively charged copper ion, Cu +2. Bacteria ... Add just a teaspoon of bicarbonate of soda and it becomes a great fungicide as well. Others swear by chilli spray to repel insects (although it’s not known how well it treats existing infestations). Mix one teaspoon of chilli powder with a litre of water and add a few drops of mild soap and spray onto your plants.Feb 17, 2024 · Benefits of Homemade Plant Fungicide. Homemade plant fungicides offer several benefits that make them a popular choice among environmentally conscious gardeners. Here are some of the advantages: Eco-Friendly Plant Fungicide. Commercial fungicides often contain harmful chemicals that can be detrimental to the environment …Jan 20, 2022 · Fungicides. Fungicides are pesticides that kill or prevent the growth of fungi and their spores. They can be used to control fungi that damage plants, including rusts, mildews and blights. They might also be used to control mold and mildew in other settings. Fungicides work in a variety of ways, but most of them …You can make a natural fungicide for rose bushes using simple ingredients such as baking soda and dish soap. Put the mixture in a clean plastic spray bottle for easy application. F...15 Feb 2022 ... Outdoors, gardeners can use a variety of antifungal agents to control fungal problems on plants. Popular antifungal agents contain copper and ...Aug 15, 2017 · You can make your own Bordeaux mix with ground limestone and powdered copper sulfate. The most recommended strength for dormant application is 4-4-50. Mix four parts of each …24 Jul 2015 ... Home Vegetable Garden Fungicides ; cucurbits. (cucumber, melon, squash). powdery mildew · other plant-based oils*, Vegetable Pharm, SNS 244 All ... Fungicide, any toxic substance used to kill or inhibit the growth of fungi. Fungicides are generally used to control parasitic fungi that either cause economic damage to crop or ornamental plants or endanger the health of domestic animals or humans. Learn more about the types and uses of fungicides. James recommends using milk full strength or mixing a 50:50 solution of milk and water (one part milk to one part water). Use it as a spray, applying milk treatment onto the leaves of the infected plant. Garlic is gaining in popularity as both a fungicide and insecticide. To make your own garlic treatment, mix 10 cloves of garlic with one pint ... Bio Fungicides Spray: Bio fungicides are the beneficial fungus that attacks the plant pathogenic fungus of garden plants. Bio fungicides also are known as Bio-Control Agents. Most of those biocontrol agents can be mass produced at a home kitchen garden easily. Biocontrol agents include Trichoderma sp. and Pseudomonas sp.Picarbutrazox is the active ingredient of Vayantis®, a novel seed treatment fungicide developed by Syngenta and discovered by Nippon Soda. Vayantis® received …24 Jul 2015 ... Home Vegetable Garden Fungicides ; cucurbits. (cucumber, melon, squash). powdery mildew · other plant-based oils*, Vegetable Pharm, SNS 244 All ...Food producing plants that are especially susceptible to powdery mildew include squash/zucchini, cucumber, pumpkin, beans and tomato plants. This milk spray for powdery mildew is a safe solution in the garden and can be used for the life of the plant. It is worth noting that fungicide is most successful as a preventative measure. Protectant (preventative) fungicides act as a protective barrier for the plant, killing or inhibiting fungal spores and hyphae before infection occurs. Protectant fungicides are only effective if applied before infection because they do not have any postinfection effect on the pathogen within the plant. 2,3. Most protectant fungicides are also ... Oct 28, 2005 · First lets make a milk fungicide. Use organic milk because it contains all the antibiotic qualities necessary to make it work. The magic ingredient is one part of the organic milk to 10 parts ...Feb 24, 2022 · Trichoderma has been studied widely. It has been found to play a major role in agricultural production. Around the world scientists and farmers have taken advantage of this knowledge. It is reported to improve plant growth of many crops such as tomato, lettuce, maize, beans, cabbage sugarcane and many more crops. There are two broad …Mar 19, 2019 · Crush aspirin up until it is a fine powder. Mix with one gallon of water. Add contents to a spray bottle. At this point, you can add a few drops of soap if you choose too. PLEASE read notes below about the dish soap!! Using the mist setting, spray leaves of plant until lightly, but evenly coated. 24 Jul 2015 ... Home Vegetable Garden Fungicides ; cucurbits. (cucumber, melon, squash). powdery mildew · other plant-based oils*, Vegetable Pharm, SNS 244 All ...Bavistin Uses in the Garden. Use bavistin as a foliar spray on infested garden plants. Mix 1-2 grams of bavistin fungicide in 1-liter of water. It is advised to use 1-gram of fungicide per liter of water for small saplings and seedlings and, 2-grams per liter of water for well-established plants. Stir the solution thoroughly and spray evenly ...1 day ago · Leaves expected to stay dry (with either no rain or heavy dew) through the rainfast period. Most products will need at least 4 hours. The required time is often specified on the label. With systemics or penetrants, apply when the conditions will promote slow drying to maximize uptake, such as calm, cloudy days and late-afternoon to dusk.Copper ions kill by denaturing proteins and enzymes in cells of pathogens they contact that have not yet infected the plant. They have no post-infection ...Add just a teaspoon of bicarbonate of soda and it becomes a great fungicide as well. Others swear by chilli spray to repel insects (although it’s not known how well it treats existing infestations). Mix one teaspoon of chilli powder with a litre of water and add a few drops of mild soap and spray onto your plants.A fungicide is a chemical pesticide compound that kills or inhibits the growth of fungi. In agriculture, fungicide is used to control fungi that threaten to destroy or compromise crops. Fungicides for Plant and Animal Diseases is a book that has been written to present the most significant advances in disciplines related to fungicides. This …Ferns are perennials grown to thrive. Ferns can be evergreen. Varieties include Japanese painted and asparagus fern. Learn about these hardy plants. Advertisement Ferns are perenni...1 day ago · Leaves expected to stay dry (with either no rain or heavy dew) through the rainfast period. Most products will need at least 4 hours. The required time is often specified on the label. With systemics or penetrants, apply when the conditions will promote slow drying to maximize uptake, such as calm, cloudy days and late-afternoon to dusk.Yes, it involves water. If you live somewhere with all four seasons (or probably more realistically, two: summer and winter), you may look forward to growing outdoor plants once th...Fungicides, despite certain limitations, continue to play a crucial role in the management of plant diseases. In their history of more than a century, several fungicide classes have been introduced starting from multi-site inorganic salts to organic compounds with protectant action and then to single-site systemic fungicides with curative activity. …Fung-onil Multi-Purpose Fungicide, 16 oz. Concentrate for Plant Disease Control, Controls Blight, Mildew and More. Control fungal diseases in your garden with Fung-onil multi-purpose fungicide from Bonide. The active ingredient, chlorothalonil, is an effective ingredient in preventing a variety of fungal diseases that are common in plants. …Mar 5, 2021 · Broad spectrum protectant fungicide. This is a contact fungicide. When applied to plants not on the label, the product should be tested on a small area of the plant or small area of the planting first. Most small container products are not labeled for use on home fruit trees. Treated ornamentals should not be used for food …Powdery mildew can be treated early on with fungicides including potassium bicarbonate, neem oil, sulfur, or copper. Home remedies like baking soda and milk can also be successful treatments …If you want to make a bigger batch of fungicide, use 2 quarts of water and 2 cups of chamomile leaves or 16 to 20 teabags. With this volume of water, simmer the flowers or teabags in the water for about 20 minutes. Allow this mixture to cool, but leave the flowers or tea bags to steep for a couple of hours while the temperature reduces.Food producing plants that are especially susceptible to powdery mildew include squash/zucchini, cucumber, pumpkin, beans and tomato plants. This milk spray for powdery mildew is a safe solution in the garden and can be used for the life of the plant. It is worth noting that fungicide is most successful as a preventative measure.Jul 13, 2023 · What Is Propiconazole? Propiconazole is a broad-spectrum systemic fungicide that can kill a wide range of diseases that affect lawns, plants, trees, and shrubs. Broad spectrum disease control with Propiconazole fungicide is a popular option among landscapers because it can kill about a dozen different diseases, … Howler Lawn and Garden Fungicide. (11) $31.67. Free Shipping! Multiple sizes available. A highly effective organic fungicide that harnesses the power of plant microbiomes to provide an effective broad spectrum control of fungal diseases. Compare. May 3, 2023 · How to Use Trichoderma in Your Garden. If you apply this fungus to seed, it will colonize the plant’s root system as it grows. You can apply it directly into the furrow when planting. If you are planting turf, you can mix the fungus into the surface of the soil. For greenhouse or nursery planting, mix with your potting medium. 27 May 2021 ... Our Pick: Grower's Ally Fungicide ... Grower's Ally Fungicide is a fungicide and bactericide, which means that it fights both fungi and bacteria. Always wear work gloves and protective eyewear as you apply fungicide. The lowest labeled rate of protectant fungicide, when used early in the season and then adjusted until tomato plants are finished producing, will provide protection and thus prevent a tomato fungus epidemic. Choose a garden sprayer and designate it for fungicide use only. Tree & Ornamentals · Amistar 1L · Silvanus Liquid Silicon & Potassium Phosphite 5L · Nimrod Fungicide 1L · How To Control Box Blight In Hedges &...27 May 2021 ... Our Pick: Grower's Ally Fungicide ... Grower's Ally Fungicide is a fungicide and bactericide, which means that it fights both fungi and bacteria.Fungicides are applied to help control or suppress plant diseases in broad acre and specialty horticulture crops. While field crops can be infected by fungal, …Fungicides are pesticides used to kill parasitic fungi or their spores. [1] . Fungi can cause serious damage in agriculture, resulting in critical losses of yield, quality, and profit. …Jun 20, 2023 · Pests/Diseases Treated By Sulfur. Sulfur fungicides can treat several diseases on fruits, vegetables, and ornamental plants. It can treat Alternaria leaf spot, powdery mildew, rust, black rot, brown rot, scab, and blossom blight. Be forewarned that if rust, scab, brown rot, or leaf spot damage is already present on the plant, it …Fungicide for blackspot, powdery mildew, other disease: 1 T. baking soda. half a spoon liquid soap. gallon of water. If you’ve got a plant that normally has powdery mildew or some other fungal problems, use this to prevent them. Or, apply when you see signs of fungus to prevent its spread. Do not apply in apply in the sun, especially in ...Fungicide. Fungus can severely damage lawns, gardens, and crops if not treated quickly or prevented entirely. Fungicides have long been part of disease management programs in gardens, greenhouses, and golf courses. You can prevent fungus from damaging your lawn yourself using our professional grade fungicides. Sulfur is commonly used to prevent ... This occurs when there’s high humidity. It can block the plant from photosynthesizing and causes leaves to yellow and die. Light cases of powdery mildew may be lessoned with an application of hydrogen peroxide. Use nine parts water to one part of hydrogen peroxide. Spray this solution on the plants one time per week. Fung-onil Multi-Purpose Fungicide, 16 oz. Concentrate for Plant Disease Control, Controls Blight, Mildew and More. Add to Cart. Compare $ 14. 90 (284) Daconil. 32 oz. Ready-to-Use Fungicide (2-Pack) Add to Cart. Compare $ 14. 55 (28) EARTH'S ALLY. 24 oz. Ready-to-Use Insecticide, Miticide, Fungicide 3-in-1 Plant Spray. Add to Cart. Compare. Top ... Leaves expected to stay dry (with either no rain or heavy dew) through the rainfast period. Most products will need at least 4 hours. The required time is often specified on the label. With systemics or penetrants, apply when the conditions will promote slow drying to maximize uptake, such as calm, cloudy days and late-afternoon to dusk. Fung-onil Multi-Purpose Fungicide, 16 oz. Concentrate for Plant Disease Control, Controls Blight, Mildew and More. Control fungal diseases in your garden with Fung-onil multi-purpose fungicide from Bonide. The active ingredient, chlorothalonil, is an effective ingredient in preventing a variety of fungal diseases that are common in plants. …Oct 7, 2022 · Bonide Copper Fungicide Instructions. To use Bonide Copper Fungicide, mix 2 1/2 tablespoons of Bonide Copper Fungicide with 1 gallon of water. Apply the mixture to plants and surfaces with a pump sprayer, taking care to wet all plant surfaces thoroughly. Repeat applications every 7 to 10 days as needed.Soil fungicides are anti-fungal products that prevent and kill fungal diseases growing in the soil medium. Best used preventatively, soil fungicides come in a ...15 May 2013 ... Clavos oil showed strong antifungal activity at 0.1–2.5 μl/ml. The most resistant fungi were Trichoderma viride , Penicillium and Aspergillus ...The original Bordeaux mixture contained copper sulfate and lime and could sometimes be toxic to plants. However, this formulation with copper alone is much safer, and is approved for use on edibles. Use either diluted as a spray, or dust the powder onto the foliage, every three days. CEASE Biological Fungicide.Aug 1, 2021 · Introduction. Seed treatment with systemic fungicides is a routine integrated crop management practice for crops. Despite the benefits realized by fungicide seed treatment including improved seed emergence, plant vigour and protection from seed- and soil-borne fungal pathogens (Lamichhane et al., 2020), …Despite being pretty in pink, oleander is a highly poisonous plant. And now it's being touted as a cure for COVID-19. We'll break down the facts from fiction. Advertisement An unli...A fungicide is any substance, preparation, or organism intended for destroying or controlling any fungal species during production, storage, or distribution of an agricultural commodity or food, in ornamental plants, or in situations endangering the health of animals or humans. From: Encyclopedia of Food Sciences and Nutrition (Second Edition ... LifeproofSterling Oak 22 MIL x 8.7 in. W x 48 in. L Click Lock Waterproof Luxury Vinyl Plank Flooring (20.1 sqft/case) Pickup. 1,474 in stock at South Loop. Delivery. Available. Add to Cart. Compare. Exclusive. Mar 27, 2023 · 7. Cinnamon Fungicide. feathersinthewoods. Another Homemade DIY Fungicide Recipes for Plants that works really well can be made using cinnamon. Mix one tablespoon of cinnamon powder and one gallon of water. Shake the mixture well and spray it on the plants, making sure to cover both sides of the leaves. May 18, 2023 · The original Bordeaux mixture contained copper sulfate and lime and could sometimes be toxic to plants. However, this formulation with copper alone is much safer, and is approved for use on edibles. Use either diluted as a spray, or dust the powder onto the foliage, every three days. CEASE Biological Fungicide.1 day ago · 1. Soapy Water. You can use soap and water to make an antifungal solution to use on grass and plants. Just mix 2 tablespoons of organic liquid soap with 1 gallon of water. Mix the solution thoroughly, and then pour it into a spray bottle. Use it twice a week on houseplants, plant soil, and outdoor plants.Jun 23, 2022 · Dithane M-25: This liquid fungicide is specifically designed for use on orchids and other plants that are sensitive to fungal overgrowth. It kills both fungus and bacteria, so it is effective against a wide range of pests. Orthene: This liquid fungicide is effective against fungal overgrowth and can be used on indoor and …May 23, 2012 · Article continues below this ad. Once you determine the rate of application from the product label, add the liquid into a hand or power sprayer and apply it to the plants. Do not mix all the sulfur; only wet the amount of sulfur you need for your plants. If you are using a dust sulfur application, use a hand or power duster to treat the plants. Fungicides are pesticides that prevent, kill, mitigate or inhibit pathogen growth on plants, but they are not effective against viral diseases. Fungicides can be classified based on: Acropetally mobile fungicides (top) move upwards in the plant while ambimobile fungicides (bottom) can move up and down within the plant. Courtesy of CPN. 27 May 2021 ... Our Pick: Grower's Ally Fungicide ... Grower's Ally Fungicide is a fungicide and bactericide, which means that it fights both fungi and bacteria.Advantages of using botanical fungicides for controlling plant diseases. Botanical fungicide development could lessen the drawbacks of synthetic fungicides, such as resistance and environmental contamination. Botanical fungicides may be less hazardous to the environment, effective, selective, and biodegradable in this regard [70]. …3 days ago · What are Biofungicides? Biofungicdes are formulations of living organisms that are used to control the activity of plant pathogenic fungi and bacteria. The concept of biofungicides is based upon observations of natural processes where beneficial microorganisms, usually isolated from soil, hinder the activity of plant pathogens. …3 days ago · Drench the medium with a broad-spectrum fungicide or a mixture of fungicides. When damping-off occurs in a flat, discard the entire flat. Healthy appearing plants may carry contaminated soil and may develop root rot or blight at a later date. The fungicides listed below are registered for Damping-off and/or Root Rot of Bedding Plants and …Learn how to make and use a non-toxic baking soda spray to control fungi on your plants. Find out the effectiveness, …3 days ago · What are Biofungicides? Biofungicdes are formulations of living organisms that are used to control the activity of plant pathogenic fungi and bacteria. The concept of biofungicides is based upon observations of natural processes where beneficial microorganisms, usually isolated from soil, hinder the activity of plant pathogens. …A fungicide is a chemical pesticide compound that kills or inhibits the growth of fungi. In agriculture, fungicide is used to control fungi that threaten to destroy or compromise crops. Fungicides for Plant and Animal Diseases is a book that has been written to present the most significant advances in disciplines related to fungicides. This …Oct 24, 2020 · 19.8K. Potassium bicarbonate is widely used in organic farming as a fungicide. This potassium salt is also called potassium hydrogen carbonate. Thanks to its particular action on the blade of the leaves, it manages to protect the plants from agents fungal pathogens, be they vegetables, vine plants or fruit trees.It …Sep 6, 2021 · 1 INTRODUCTION. Over a third of potential crop production worldwide is lost preharvest to pests and diseases (Oerke & Dehne, 2004), with pathogen-related spoilage also contributing to postharvest food waste.Without effective crop protection, it has been estimated that preharvest losses would double (Popp et …What's the difference between Organic Bio Protectant and Organic Bio Fungicide? Both formulas have different modes of action on the plant disease, the Organic ...Fungicide in Plant & Flower Disease Control. 45 Results. Sort by: Top Sellers. Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. ... Captain Jack's Copper Fungicide, 32 oz. Ready-to-Use Spray for Organic Gardening, Controls Common Diseases. Add to Cart. Compare. Best Seller $ 26. 97 (107) …Paraffinic oil - Treats fungal diseases and aphid transmitted viruses. Sulfur - A protective fungicide that works well against powdery mildew. Potassium Bicarbonate - Fights a host foliar diseases including powdery mildew. Reynoutria Sachalinensis - Acts as a plant defense activator for fungal and bacterial diseases. Bonide INFUSE Lawn & Landscape Fungicide Granules. (11) $38.08. Free Shipping! Multiple sizes available. A granular systemic fungicide for diseases on lawns, annual and perennial flowers, plants, ground cover and evergreen shrubs and trees. Compare. Learn how to draw a spider plant and other flowers and plants with our easy instructions. Test your art skills as you learn to draw a spider plant. Advertisement A spider plant is ... Bonide INFUSE Lawn & Landscape Fungicide Granules. (11) $38.08. Free Shipping! Multiple sizes available. A granular systemic fungicide for diseases on lawns, annual and perennial flowers, plants, ground cover and evergreen shrubs and trees. Compare. Yates 200ml Rose Shield Black Spot And Insect Pest Killer Concentrate. (5) $18 .93. Compare. Hortico 750ml Insect and Disease Control Roses and Flowers. (5) $7 .96. Shop our range of Fungicides at warehouse prices from quality brands. Order online for delivery or Click & Collect at your nearest Bunnings.Copper fungicides can have subtle, chronic negative impacts on fruit plants. Copper will provide low to moderate control of many of the diseases. Bordeaux may be used on pears during bloom for fire blight …
Baking soda has useful properties and applications as a treatment and additive to medications. However, too much can lead to baking soda poisoning. Sodium bicarbonate — everyday ho.... What proof is fireball
Oct 1, 2020 · The rice plants were sprayed with 3 L of each fungicide (or water for the control) per plot with separate portable sprayers, and each treatment consisted of five plots (replicates).Mar 5, 2021 · Broad spectrum protectant fungicide. This is a contact fungicide. When applied to plants not on the label, the product should be tested on a small area of the plant or small area of the planting first. Most small container products are not labeled for use on home fruit trees. Treated ornamentals should not be used for food …Bavistin Uses in the Garden. Use bavistin as a foliar spray on infested garden plants. Mix 1-2 grams of bavistin fungicide in 1-liter of water. It is advised to use 1-gram of fungicide per liter of water for small saplings and seedlings and, 2-grams per liter of water for well-established plants. Stir the solution thoroughly and spray evenly ...Jerzy Opioła / Wikimedia Commons / CC BY-SA 4.0. Other fungal diseases fall into the foliar-disease category. Here, the fungal spores attack the leaves directly. If a plant has a powdery dusting on its foliage, then it is usually a sign of powdery mildew, the most common and easily recognizable of the foliar-disease tree fungus. RHS Gardening Advice March 2023. The RHS believes that avoiding pests, diseases and weeds by good practice in cultivation methods, cultivar selection, garden hygiene and encouraging or introducing natural enemies, should be the first line of control. If chemical controls are used, they should be used only in a minimal and highly targeted manner. Yates 200ml Rose Shield Black Spot And Insect Pest Killer Concentrate. (5) $18 .93. Compare. Hortico 750ml Insect and Disease Control Roses and Flowers. (5) $7 .96. Shop our range of Fungicides at warehouse prices from quality brands. Order online for delivery or Click & Collect at your nearest Bunnings.Regalia CG is an organic fungicide for greenhouse and medical plants applications. Use it early for disease prevention and overall plant health, in the middle of the season for disease control and worker safety and late in season to avoid issues of pesticide residues at harvest. Learn more about Cultivated Garden (CG). BenefitsSome fungicide products are labeled for bedding plants, shrubs, trees, and other ornamental plant uses in the landscape, but not turfgrass, and vice versa. As older active ingredients are re-examined by the EPA, uses that include residential turfgrass often are scrutinized and removed from product labels.Oct 15, 2021 · Repeat. Reapply the milk treatment every 10 to 14 days. With regular treatment, unaffected plants should remain free of powdery mildew and affected plants should improve. It's advised to continue spraying until conditions are no longer warm and humid, even if you don't see any more powdery mildew.1 day ago · Leaves expected to stay dry (with either no rain or heavy dew) through the rainfast period. Most products will need at least 4 hours. The required time is often specified on the label. With systemics or penetrants, apply when the conditions will promote slow drying to maximize uptake, such as calm, cloudy days and late-afternoon to dusk.The only danger to the health of your plants is the contamination of the soil with the fungus. So, the question “what is the best fungicide for powdery mildew?” can only be answered in a general way. To protect your plants from outbreaks, you need to use the best chemical to kill the fungus and keep its spores from spreading to new places. Protectant (preventative) fungicides act as a protective barrier for the plant, killing or inhibiting fungal spores and hyphae before infection occurs. Protectant fungicides are only effective if applied before infection because they do not have any postinfection effect on the pathogen within the plant. 2,3. Most protectant fungicides are also ... UPL SAAF Fungicide (for a disease free garden) Add 3,500.00 to your cart and get free shipping! The UPL SAAF Fungicide is a cost effective, proven fungicide with both Systemic & Contact action. that is used to prevent Leaf Spot Blast disease and Rust disease in all plants. It is highly effective and helps protect the plant for a lengthy period ...26 Apr 2017 ... Comments1.1K ; Homemade Fungicide Spray ~ Noreen's Garden. Noreen's Kitchen · 784K views ; FUNGUS GNATS, ROOT ROT + PESTS | Plant Rescue With .....A fungicide is a type of pesticide. There are three main categories of pesticides based on what they target: fungicides, herbicides, and insecticides. Plant … For best results, treat prior to disease development or at the first sign of disease infection. Repeat at 7-day intervals or as needed. Under conditions of high disease pressure, shorten the spray interval or, for ornamental plants, use the higher rate. Mix 1-4 oz. per gallon of water (15 oz. of spray solution treats 100 square feet). 3 days ago · Education Center - Introductory - Topics in Plant Pathology - Fungicides...Margaret Tuttle McGrathCornell University McGrath, M.T. 2004. What are Fungicides. The Plant Health Instructor. DOI: 10.1094/PHI-I-2004-0825-01. Updated 2016. Diseases are a major source of crop and plant damage that can be caused by a number … For best results, treat prior to disease development or at the first sign of disease infection. Repeat at 7-day intervals or as needed. Under conditions of high disease pressure, shorten the spray interval or, for ornamental plants, use the higher rate. Mix 1-4 oz. per gallon of water (15 oz. of spray solution treats 100 square feet). .