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What Does Oak Wilt Look Like?

What does oak wilt look like

What does oak wilt look like? Knowing what oak wilt looks like, including foliar symptoms and mortality patterns, can help you find issues early and help minimize your losses. Along with being able to visually diagnose oak wilt, an understanding of how it spreads is critical in prescribing treatment & prevention services.


What does oak wilt look like

Sometimes the trees make answering “What does oak wilt look like?” easy. A majority of the Live Oaks that die from oak wilt will show foliar symptoms of veinal necrosis or margin/tip burn. These leaves can be seen both on the diseased trees as well as beneath them as their canopies thin. Usually, you will see a discoloration in the tree’s canopy indicating the presence of disease, followed by the loss of leaves and darkening of the veins as they go “necrotic” and die.


What does oak wilt look like

When foliar symptoms are not strong or are not present, mortality patterns can help with diagnosing oak wilt. Root graft transmission can help you track movement, especially if you observe new decline near neighboring dead/diseased trees. Often times it will even lead you to the active symptoms that you thought may not be present.


Several other factors can look like oak wilt and resemble both the foliar symptoms and mortality patterns. Knowing past tree health, climate and weather conditions, and presence of other fungal or seasonal stressors can help keep you from mis-diagnosing oak wilt. These trees were damaged during the 2021 freeze with consistant damage throughout the 15-acre property.


So, what does oak wilt look like? Knowing what oak wilt looks like is critical in early identification and can help you get preventative measures in place to minimize any losses. Sometimes oak wilt can be sneaky so utilizing Texas A&M Forest Service resources, including diagnostic testing, can help with diagnosing in uncertain situations. Contact us if you believe you may be dealing with oak wilt or have concerns about your tree’s health. We offer free consultations and can help with detailing an oak wilt management plan specific to your needs. Call 512-253-8080 or submit a form at oakwiltpros.com/contact.

Why Inspect for Oak Wilt?

We developed our inspection process to help provide an added layer of protection when purchasing or managing a property. Our pre-purchase property inspections for oak wilt can provide valuable information to a buyer about potential oak wilt issues and associated costs with managing oak wilt on the desired property. Comprehensive oak wilt inspections can also benefit those managing larger properties by identifying oak wilt threats and minimizing any losses due to those threats.

For buyers, our pre-purchase property inspections for oak wilt can bring valuable information to the table, especially those negotiating through an option period. Our inspections have helped identify significant losses on properties, as well as properties needing thousands in treatment & prevention services to manage the oak wilt moving forward. We have performed inspections for out of state buyers who were under the impression their trees were just dropping leaves due to seasonal changes, when in fact they had already lost 80% of the trees on the property. Luckily, these buyers received this information during an extended option period and were able to back out of the deal and look for a new property to invest in. It seems that most buyers, even those dealing with active oak wilt on the desired property, are simply told “oak wilt is in the area”. The oak wilt disclosure is often neglected due to a seller’s ability to claim ignorance in the matter. If you are investing in property in Central Texas, we recommend having a pre-purchase property inspection for oak wilt to better protect yourself from undisclosed oak wilt related issues.

Our inspections can also benefit owners by identifying any oak wilt threats on larger properties or properties that they may not be familiar with in-regards to tree health. By finding oak wilt early you can minimize losses through timely injections and possibly provide yourself with a trench path to limit the movement across a property. Ideally you want all treatment services to be preventative. Identifying oak wilt early can help time injections to protect surrounding trees prior to being threatened by oak wilt. A quick response can also allow you to enclose the infected area with a trench prior to further spread. Since trenches are cut 100ft from known disease, acting fast can keep this trench path from being pushed further out from a growing oak wilt center. You would obviously prefer to keep as many trees as possible on the “good side” of a trench. Inspections for those already owning a property may not provide much value in terms of negotiating a deal, but it could save you a lot of trees and heartache when dealing with oak wilt on a property.

If you have any questions in-regards to our inspection processes and how they could benefit you as either a buyer or owner, contact us for more information.

-Oak Wilt Pros

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Property Inspections for Oak Wilt

Pre-purchase property inspections for oak wilt can provide valuable information to buyers, detailing specific concerns and costs associated with managing oak wilt on the desired property. Buyers should not settle for generic oak wilt disclosures simply stating “oak wilt is in the area”. We have observed significant losses due to oak wilt as well as properties in need of major treatment & prevention service plans that have protected buyers from proceeding with what would have certainly been a disheartening purchase. Especially a property being considered for purchase because of its beautiful trees, shade, or privacy.

We have observed properties with over 80% tree losses, properties needing over $20k in initial treatment services, and properties requiring years of oak wilt treatment and prevention services to prevent further losses going forward. Inspections have protected buyers simply unaware of the condition of the trees, as well as out of state buyers purchasing site unseen. Sometimes the signs of oak wilt are not obvious even to trained professionals, so due diligence inspecting for oak wilt should always accompany the purchase of property in Central Texas.

Our pre-purchase property inspections for oak wilt have been a proven service to help buyers navigate the oak wilt disclosure in a real estate transaction. Contact us for more information or to schedule your property inspection for oak wilt today!

-Oak Wilt Pros

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Oak Wilt Disclosures

Oak Wilt disclosure during a real estate transaction may often be neglected unintentionally. We provide property inspections for oak wilt to help protect a buyer and inform them of any oak wilt threats that may be affecting their desired property.

Our ISA Certified arborist will inspect the property in question, looking for any immediate threats of oak wilt as well as any potential threats from neighboring properties. This includes looking for foliar symptoms and mortality patterns that would indicate active oak wilt as well as pruning and clearing techniques that could lead to infection. Sometimes the threat of oak wilt is due to infection on a neighboring property. We look for oak wilt threats within 100 feet of the property line or nearest tree that could become an issue, spreading the oak wilt pathogen through root grafting.

To better inspect larger properties we utilize GPS and drone services as well as a thorough walk-through to help identify these potential threats. Our pricing for inspection is related to the size of the property and how dense the growth is on the property in question. Contact us to schedule pre-purchase property inspections for oak wilt and find out more about our oak wilt services at oakwiltpros.com.

-Oak Wilt Pros

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Oak Wilt Trenching Services

For larger properties, oak wilt trenching services may be the most efficient and cost effective way to deal with the threat of oak wilt. We provide oak wilt trenching services to help stop the spread of oak wilt by severing the root systems, stopping the spread through grafting.

The Texas Forest Service standard is to trench to a minimum depth of 48 inches to help ensure the roots have been severed. We cut to a depth of 52 inches to surpass this standard and help increase the success rate of our trenches. We will help identify oak wilt threats and develop a trench installation plan to manage the threats accordingly. With trenches being cut 100 feet from the infected area there are often trees left between that may require additional attention including preventative injections.

Do you have questions or concerns in regards to oak wilt threats to your property? Contact us to schedule a consultation and meet with our ISA certified arborist to discuss your options. Click Here to contact us today or find out more information about our services at oakwiltpros.com.

-Oak Wilt Pros

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Signs Of Oak Wilt

Know the signs of oak wilt. Know what to look for and know what to do when you see them. Depending on the type of oak infected you can have a total loss of life in as little as 30 days.

Live oaks have the most prominent sign of infection with veinal necrosis or veinal banding. Veinal necrosis is the yellowing of the veins in the leaves that eventually turn brown or necrotic and die. Banding is shown when the veins turn a darker green than the rest of the leaf. Tip burn can also be visible with the edges, or margins, of the leaves turning brown with the discoloration moving inward. These symptoms will be visible in the crown as well as on the ground during defoliation soon after the tree is infected.

Foliar Symptom of Oak Wilt Oak Wilt Pros

Once a tree has lost more than 30% of its crown through defoliation it is not recommended to treat with injections as the infection has spread to a point that would greatly limit the success of the treatment. Pay attention to your trees, as well as your neighbor’s trees, for groups of dying or dead trees referred to as an oak wilt center. Live oaks establish root grafts allowing the oak wilt pathogen to spread from infected trees to healthy trees and if not treated can spread up to 100 feet in a year. Noticing the symptoms early will help increase the success rate of therapeutic injections. A quick response will also allow for preventative injection or trenching services to save nearby trees at risk of infection.

Symptoms of oak wilt in red oaks are more difficult to notice and any unusual change in leaf color should be looked into as they are highly susceptible to oak wilt, often dying within 4-6 weeks of infection. In the spring, young leaves can wilt while turning pale green or brown. Mature leaves can flash an autumn look and turn pale green or bronzed before wilting and dying. Red oaks are also the source of fungal mats, found on oak wilt infected trees, that produce spores which can be spread to wounds on healthy trees. These mats can be found under cracks in the bark and exude an odor similar to fermenting fruit. Pay attention to your red oaks and take quick action. Action may include preventative injections for nearby trees or destroying an infected tree to help prevent the spread of the pathogen. Therapeutic injections are not usually suggested for symptomatic trees due to the high mortality rates in infected red oaks.

White oaks tend to be more resilient when faced with oak wilt. Some may show foliar symptoms and exhibit crown loss and defoliation while surviving the infection. Some species have a higher chance of infection through grafting so treating all cases of oak wilt seriously is the best approach.

Again, know the signs of oak wilt and know what to do when you see them. Contact us if you have any questions or concerns regarding the health of oak trees. oakwiltpros.com

– Oak Wilt Pros

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Oak Wilt Injections

Untreated trees left in the path of oak wilt only have about a 15% chance of survival. If your trees are in immediate danger, are near an oak wilt infected center or adjacent to symptomatic trees, oak wilt injections could help drastically improve their chance of survival.

We use industry recognized macro-injections with Alamo® (propiconazole), a systemic fungicide. Alamo® has shown results with 90% success rates for preventative applications to asymptomatic live oaks at risk of root graft infection. Phytotoxic reactions to the chemical solution are a possibility and can result in a tree’s death making the selection process imperative as well as the procedures of the injection itself.

Following Texas A&M Forest Service standards along with extensive experience in oak wilt injections helps us offer quality services with an added peace of mind. We operate efficiently to excavate the root crown without damaging the tree, select optimal injection points along the flare roots, and replace soil and mulch as necessary following the completion of the injection. We take pride in our work and follow up to check on the health of our injected trees.

Contact us if you suspect oak wilt may be affecting your oaks and set up a free consultation with our ISA Certified Arborist. Check out oakwiltpros.com for more information.

-Oak Wilt Pros

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Macro-Injection Services

We provide macro-injection services using Alamo®, the industry standard for systemic fungicides used in preventative applications on live oaks. We inject this fungicide into the root flares at the base of the tree to be drawn into the tree’s water conducting vascular system and distributed throughout the tree. Macro-injections are superior to micro-injections as the injection points are placed at flare roots which control the distribution of the fungicide throughout the tree.

Contact us if you suspect your tree is in danger of oak wilt or have any other questions or concerns in regards to the health of your trees. Let us help you protect your investment and find out more about our services at oakwiltpros.com.

-Oak Wilt Pros

Foliar Symptom of Oak Wilt

Veinal necrosis is a foliar symptom of oak wilt disease in live oaks. This is seen with the yellowing of the veins that eventually turns brown or necrotic as the tree dies. Most live oaks will struggle and die within the first 3-6 months while others may survive several years as the disease slowly moves through its water distribution system, eventually killing the tree.

Make sure you keep an eye on your trees and look for any symptoms that could be an indication of oak wilt. Prevention is the best method to fighting oak wilt so keep an eye on your neighbor’s trees too as their problem could soon become your problem. Improper pruning and the presence of fresh wounds, when left undressed, could lead to beetles carrying fungal mat spores to the fresh wounds and infecting otherwise healthy trees. Root grafting is another primary way for the pathogen to spread from diseased trees to healthy trees unless preventative applications have been made or suppression trenches have been installed. Look for problems before the foliar symptom of oak wilt becomes present. Asymptomatic trees within the reach of diseased oaks are the best candidates for therapeutic injections, acting to prevent further spread of the disease.

Follow our social media sites below and click the link oakwiltpros.com to check out more information about our services. Let’s work together to keep Texas beautiful.

-Oak Wilt Pros

Oak Wilt Sucks!

We are launching Oak Wilt Sucks! as a platform to help spread information about oak wilt while trying to stop the spread of the disease. Oak Wilt is a destructive disease spreading throughout the Texas hill country. Follow us as we work to stop the spread of this disease while operating with a focus on our social and environmental impact. Check out our social media links below and join us in the battle to keep the Texas hill country beautiful.

-Oak Wilt Pros