What Is Brown Patch Fungus

What Is Brown Patch Lawn Disease

Brown Patch lawn disease is a common and widespread fungus that, like Dollar Spot, can infect a variety of common turfgrasses and cause brown patches on your lawn. Brown Patch thrives when hot weather and high humidity settle in during the summer months. Uncommon in arid regions such as Southern California and the Mountain States, Brown Patch is a problem for yard-lovers in every other part of the U.S.

Seeing brown patches on your lawn? If you live in a region with hot temperatures and high humidity, you may find your lawn has been infected with Brown Patch lawn disease.

Read below for answers to frequently asked questions regarding the lawn intruder and tips to get your lawn healthy again.

Turfgrass Diseases: Brown Patch

The most susceptible turfgrass species include perennial ryegrass, tall fescue, and bentgrasses. On rare occasions, brown patch becomes a problem on Kentucky bluegrasses in mid to late summer during extended periods of high temperature and humidity.

Figure 1. Brown patch disease on a tall fescue lawn in Southeastern Pennsylvania.

What Causes Dollar Spot Fungus

The cause: Persistently wet leaves. Dollar spot thrives in wet, humid conditions, so heavy dew, over-watering, late-day irrigation, and anything else that keeps grass leaves wet for long periods of time could lead to dollar spot.

How do you prevent brown patch fungus?

Preventing Brown Patch: Do the Basics

What kind of disease is take all patch?

Take all patch is a severe fungal disease that can cause major damage to your lawn. Thankfully, its not very common but if its not treated quickly it can take hold and be very difficult to control.

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How We Can Help:

We offer professional brown patch treatment for your lawn. With our service, we inspect your lawn for potential problems, such as poor drainage or thatch. If the fungus is present, we use two applications of fungicidal curative 14-21 days apart. The fungicidal application is also used to prevent the fungus in turfgrass.

Can Brown Patch Be Spread By Mowers

No, brown patch fungus is generally not spread by mowers. The fungus needs its hot, humid, and wet conditions to thrive in the grass.

If the mower was used on the grass with brown patch fungus and then another grass with a similar environment, there is a chance that the fungus could be spread.

However, the chance of it spreading is very small. If the mowers are used on grass with a different environment, then no, the brown patch fungus will not be spread by the mower, and there will be no need to disinfect the mower in between uses.

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Brown Patch: A Cool Weather Lawn Fungus

There are many reasons why warm season lawns in Central Florida may have dead or dying areas. These problem areas can result from not only insect or disease pressure, but also from cultural problems including irrigation, fertilization or mowing practices. Large Patch is a fungal problem that can affect all warm season lawns as the weather cools .

When to find Large Patch

Large Patch or Brown Patch can be problem in warm season lawns from November to May when temperatures drop below 80 degrees F. Patches range in color as the fungus progresses from yellow to reddish brown to brown or straw-colored. The rotted leaves can easily be pulled up and may smell. The patches are outlined by a darkened area on the outside edge and sometimes green grass may come back in the middle of the brown area. It may be harder to identify when warm season lawns are dormant. However, the darker colored halo may be seen on the outside rim even in dormant, tan lawns. Brown Patch is a problem in other seasons too. Infection can develop in lawns that are wet for at least 48 hours Excessive irrigation, rain or high humidity can set the stage for Brown Patch.

Cultural Care

Treatment

Fungicides can be used to treat lawns that have shown Brown Patch now or in the past. Fungicides do not promote active turf growth, and your turf should be actively growing for it to recover which will happen after the dormant season. Contact your Extension Office for more information on specific products.

Cultural Management: Preventing Brown Patch Lawn Disease

Since high levels of fast release nitrogen increase disease activity, Spring-Green uses a correct blend of for lawn fertilizing during the warmer months. Mow less frequently during periods of hot and humid weather, this reduces stress and limits the movement of grass disease by being carried on your feet or mower. If possible, increase light and air penetration, or movement, by pruning overhanging trees and shrubs. During cooler seasons, open up the thatch layer with power . If these cultural cures fail, a preventative fungicide lawn treatment program may have to be applied to control this most damaging of lawn diseases.

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Southern Ag Liquid Copper Fungicide 32oz 1 Quart

• Controls diseases caused by bacteria & fungi.
• New formulation works well with hose end sprayers.
• Labeled for control of moss and algae CONTAINS: 27.

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Product Details

Southern Ag Liquid Copper Fungicide is designed to control diseases in ornamentals, vegetables, fruits, citrus and algae in turfgrass. Available in a single quart bottle. The liquid copper fungicide controls diseases caused by bacteria & fungi while also controlling moss and algae.

Application rates will vary depending on the use, but requires a garden or spray tank for application.

Brown Patch Signs And Symptoms

Brown Patch causes large, visible patches of damaged grass. Though it is referred to as brown patch, the disease is usually yellow-brown patches with dark outer rings. The rings are darker in the early hours of the morning. White fungus sometimes appears on grass blades when they are exposed to dewy, moist conditions.

Though brown patch is strong enough to survive freezing temperatures, it thrives in warm environments, in temperatures that range from 70 to 90 degrees. Brown patch is most prevalent on lawns that are moist or wet for lengthy periods of time.

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How To Get Rid Of Brown Patch Fungus

After assessing the brown patch disease on your lawn, you might decide its time for treatment. If you want to get rid of these unsightly patches for good, these are the steps to take:

• As soon as you see any brown patches arrive, apply your chosen fungicide to them. This will usually be in the warmer months, like mid to late summer, and should be treated immediately.
• Reseed over the dead grass patches with a grass species that are more resilient to fungus. This can take a year or two to work and will need to be over a few fall seasons.
• If you want to start fresh, remove the old turf and reseed it with your chosen grass species. Commit to a schedule of growing the grass, including daily watering and grass rolling.

How To Get Rid Of Brown Patch Fungus On Your Lawn

The average lawn sometimes experiences brown patches, whether theyre caused by dehydration or something more sinister. Brown patch fungus is one of the more serious culprits, and if youve found it on your lawn, you probably want it gone.

What is brown patch fungus? Brown patch fungus, also known as Rhizoctonia fungus, is a foliar disease that attacks the blades of grass on your lawn. It affects many types of grass but doesnt always need chemical intervention to get rid of, depending on its severity.

If youve noticed brown spots on your lawn and youre certain this fungus is to blame, have no fear. Weve got some tips you can use to get rid of it and prevent it from returning in the future, for a fungus-free lawn thats as healthy as ever.

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What Does Brown Patch Fungus Look Like

You would assume that brown patch fungus is simply a brown patch on your lawn, yes? Well, the actual answer is slightly more complicated than that. Brown patch fungus starts as a circle or oblong-shaped pattern of light-yellow on your grass.

As time goes on, the patches will change from orange to tan color, often when people notice the fungus. Typically, brown patch fungus will look like circular patches on your grass.

They can be irregular shapes and brownish-yellow in color. These shapes will spread outwards and sometimes have patches of green grass within them too.

While there are some discrepancies in the shape and color, you should be able to identify the fungus easily now!

Brown Patch Disease Of Lawns Introduction

The beauty of a lawn can be quickly destroyed by brown patch , a serious fungal disease that can affect all South Texas lawn grasses. It can develop rapidly when temperatures are warm and humid, especially during warmer periods of the fall and winter months. Warm-season grasses such as St. Augustine , Bermuda, and Zoysia are most commonly affected by brown patch during the early spring and late fall.

SymptomsSymptoms of brown patch may vary greatly with the type of grass and soil conditions. The disease usually causes thinned patches of light brown grass that are roughly circular in shape. These areas range in diameter from a few inches to several feet. Often the center of the patch will recover, resulting in a doughnut-shaped pattern.

When disease conditions are favorable, large areas of the lawn may be uniformly thinned and eventually killed with no circular patch being evident. This type of pattern is commonly seen on infected St. Augustine grass grown in shady, moist locations.

Close inspection of grass blades reveals small, irregular, tan leaf spots with dark-brown borders in combination of rotted leaf sheaths near the soil surface.

Prevention and TreatmentThe best way to prevent brown patch in the home lawn is by following good lawn care practices. This is much easier and less expensive than the use of fungicides and can be very effective.

Table 1. Chemicals for Control of Brown Patch

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Maintain A Healthy Lawn

The healthier your lawn is to begin with, the easier it will be to prevent brown patches. Take care of your grass by giving it the nutrients and protection it needs to flourish year-round this includes consistent watering, mowing, fertilizing, and weed control.

If youre busy with a job, a family, and a house to take care of, it may be in your best interest to hire a professional local lawn care company to take care of it for you throughout the entire year.

Bayer Advanced Fungus Control For Lawns 32 Oz Bottle

• Cures and prevents listed lawn diseases
• Controls red thread, brown patch dollar spot, rust and other listed diseases
• Greater coverage and long, weatherproof protection
• Treats up to 5, 000 sq ft

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Product Details

Features: Bayer Advanced Fungus Control For Lawns, 32 oz bottle. Ready-to-use, controls lawn diseases including dollar spot, brown patch, anthraconose, summer patch and more. Provides water-proof protection for up to 1 month.

Treats 5000 sq ft. Contains 2. 42% Propiconazole.

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Scotts Diseaseex Lawn Fungicide 10 Lbs

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Product Details

Scotts Lawn Fungicide Scotts lawn fungicide featuring systemic action formula. Use any time on any lawn to prevent or control listed lawn diseases. Controls brown patch, dollar spot, and other common lawn diseases.

Suppresses fusarium blight, necrotic ring spot, and summer patch. Does not contain fertilizer. Apply from April to September.

Climatic Conditions In Which Brown Patch Fungus Thrives

Brown patch lawn disease is most common in June, July, and August. Brown patch lawn disease can spread quickly, destroying large areas of lawn.

It thrives in conditions where temperatures are elevated above 70° F, high humidity levels, and surface wetness. Your lawn will be more likely to develop brown patch lawn disease if your lawn is under stress.

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Three Most Common Diseases Causing Brown Patches On Lawn

Most of the summer lawn diseases that attack tall fescue and Kentucky bluegrass common in Midwest lawns prefer warm/hot and humid weather. The best conditions for brown patch or Pythium disease growth are daytime temperatures between 80 and 95 degrees F, night-time temps around 65 to 70 degrees F, and high humidity. High summer temperatures combined with late afternoon showers every day in late May through July can be a recipe for disaster for lawns.

There are three types of fungal diseases that our RYAN Pros treat most often. Every tall fescue variety is susceptible to these three diseases brown patch, dollar spot and Pythium blight. Learn how to differentiate between them and what you can do to get rid of these lawn diseases in your yard.

1. What Is Brown Patch Disease?

Brown patch disease appears as circular patches in your lawn.

Brown patch is a common lawn disease found in all cool-season grasses in the U.S. caused by a fungus called Rhizoctonia solani. It appears as brownish-yellow, irregular circular patches that range from 6 inches to several feet in diameter. Brown patch begins to grow when temperatures reach 65 degrees F, but it grows fastest when temperatures reach 80 to 85 degrees F and there is high humidity.

The diseased leaves usually remain standing, and close examination shows tan, irregularly-shaped lesions on the leaves with a dark brown border.

2. What Is Pythium Blight Disease?

Pythium blight appears suddenly and can kill your lawn.

Let Turfs Up Help You Identify And Prevent

Ready to learn why Turfs Up could be your totally awesome choice for lawn care disease control services in Purcellville, Waterford, and Round Hill, Virginia? Were stoked to learn more about you and help you have the best lawn on the block. Get started today with a free quote. Together, we can prepare a customized plan that is perfect for you and your lawn.

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Professional Services To Save You Time

With so many tasks requiring your attention every day, giving your lawn the special care it needs can be a challenge in every season. Because we know how busy you are, we offer professional lawn care in Dallas that take care of everything, including the control of diseases like brown patch on your lawn.

Dont let the hot Texas climate damage your lawn, when the professionals at Gecko Green can keep your grass healthy and vibrant with our year-round services!

If you want a lush green lawn you can take pride in all year, learn more about our year-round lawn program today!

Prevent Brown Patch Pythium Blight & Dollar Spot Contact Ryan Lawn & Tree

If youre worried about losing your lawn permanently as you watch it turn brown, piece by piece, consider contacting the Pros at Ryan Lawn & Tree for a free inspection and quote. Ryan Lawn & Tree goes the extra mile to find and utilize only the best products that arent sold in big box stores. Why? Because they work better to control disease and save your beautiful lawn!

RYAN Pros study the latest university research to make sure they are using the best products at the best rate and times to achieve the best results for your lawn. Our educated, experienced lawn care experts will examine your brown patches and determine the cause, then give you a no-obligation quote for providing the appropriate preventive fungicide program. Get a Free Estimate or just a quick phone call to 855.216.2293 will get you started! Contact us today!

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Brown Patch Treatment Cultural Management

Proper lawn care and lawn maintenance, combined with effective lawn fungus control, will prevent most lawn diseases.

1. Water and fertilize your lawn.Water and fertilize your lawn to help it recover from the lawn disease.

Water your lawn deeply, but less frequently. This will help ensure that your lawn gets enough water, without overwatering.

Lawns need fertilizer to thrive because of the nutrients that they contain. Too much fertilizer though can hurt your lawn, but too little fertilizer wont help your lawn recover and can help some lawn diseases. It is generally is advisable to fertilize your lawn about 4-6 times per year.

If the pH level of your soil is less than 6.0, brown patch may be more acute. In addition, make sure that the potassium and calcium levels in the soil should be maintained at good levels.2. Mow your lawn regularly.Mow your lawn regularly to encourage your lawn to grow.

Mowing your lawn properly and regularly will also help prevent brown patch. When mowing, remove no more than 1/3 of the length of your grass each mow and look to maintain a lawn height of between 1½ to 2 inches. Mowing your lawn in this manner will also help your lawn recover from the lawn disease.

Too much thatch on your lawn can also be a problem. Thatch can suffocate your lawn. If you have too much thatch, your lawn will be more likely to suffer from brown patch and other lawn diseases. Scarifying your lawn in the autumn will remove excess thatch from your lawn.