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Oak Wilt Treatment Services in Austin, TX
We Offer Oak Wilt Solutions for Austin and the Greater Central Texas Region. Let Our Certified Arborists Solve Your Oak Wilt Problems
Happy Tree Service™ Maintains Certified Arborists on Staff (Not All Tree Services Do)
Evan Peter, Certified Arborist – TX-4602A
Lewis Heye, Certified Arborist – TX-3510A
Oak Wilt: Its Causes and How We Can Treat It
On the way out of the house this morning, you noticed that your Live Oaks could use a bit of trimming. Now, you’re on your way home from work. You’re thinking of calling Happy Tree to do that trimming, since they did such a great job last time around. Suddenly, there it is: A BIG sign posted by your HOA: “Avoid Oak Wilt! Do not trim your Oaks from mid-February through mid-June!” What is going on? Should you forget about having your Oaks trimmed, since it’s the middle of April?
Oak wilt is caused by the fungal pathogen Ceratocystis fagacearum:
This fungus invades oaks, mainly Red Oaks and Live Oaks, via root grafting from previously infected trees, and by having fungal spores deposited in open wounds and cuts by a vector agent, the Nitidulid Beetle. In the case of spore deposition by the beetle, once the spores germinate in the sap and conductive tissue of the tree, the fungus circulates throughout the tree. When the growing fungal pathogen is established in the conductive tissue, the leaves of the tree can no longer transport sugars throughout the tree, and water transport is also inhibited. This results in very rapid death, in Red Oaks, and a downward mortality spiral, in Live Oaks. White Oaks can also get oak wilt, although there is some evidence that they have more resistance to it than the aforementioned Red and Live Oaks.
Signs of oak wilt infection are fairly clear in Live Oaks:
Veinal necrosis, a pattern seen in leaves where the veins are orange, spreading out in a diffuse orange to the surrounding green leaf tissue, is a fairly reliable confirmation of infection. Live Oaks can survive an infection for a period of years, with more and more leaves showing the veinal necrosis symptom until the time that most leaves have fallen and are no longer replaced by the tree. Death follows. Foliar symptoms of oak wilt on Red Oaks are less distinct. In early spring, young leaves simply wilt, turning pale green and brown, usually remaining attached for a period of time. Mature leaves develop dark green, water-soaked symptoms, or turn pale green or bronze, starting at the leaf margins and progressing inward. This can begin on one branch and quickly engulf the entire tree. Red Oaks generally die within 4-6 weeks.
Red Oaks develop fungal mats during the infective process.
These mats are composed of groups of spore-bearing bodies that grow under the bark, raising it, slightly, in areas, normally on the trunk. The mats put off a distinctive odor, similar to Juicy Fruit gum. The nitidulid beetles can smell this odor from a good distance away, depending on prevailing wind conditions. They land on the tree, eat the fungal mats, and pick up spores in the process.
Though each species of oak has different tolerance levels to the disease, all oaks can be infected. Pruning, using climbing spikes, nailing objects, and storm damages during the warmer months can introduce the fungus into new trees. Once one tree has been infected, it is possible for the infection to spread to other oaks through interconnected roots or pests. The resulting deaths of infected oaks can lead to costly removal, unnecessary stress, and can even affect the surrounding ecosystem. For more information, contact our professional arborists today.
Austin’s Oak Wilt Expert Services
The successful management of Oak Wilt is dependent upon accurate diagnosis and an understanding of how the fungus and different oak species interact. Our specialists are able to identify the species of oak, as well as the best action to take going forward. We are happy to help you with oaks on any property. Contact us today to learn more about how we can help you prevent and treat Oak Wilt!
More Info on Oak Wilt, and those pesky Nitidulid Beetles…
When you cut an oak limb, and fail to paint the cut within the first fifteen minutes, you are sending an olfactory “come and get it” to every nitidulid beetle in the area. The beetles are attracted to the sap that exudes from fresh cuts in oak trees. If the beetles have previously eaten from a fungal mat, as above, and they land on the fresh cut to feed on the sap, the spores they picked up from the fungal mat, can become mired in the sap and germinate, infecting the tree with the new cut.
So, why the warning sign from your HOA for no trimming? Nitidulid beetles are known to be active from the middle of February to the middle of June. By convention, before that, it’s too cold, and after that, it’s too hot. However, with the weird weather patterns we have in Central Texas, nothing is certain when it comes to nitidulid beetle life cycles. They may be around before February and/or after June. Nobody can be sure.
When your HOA warns you about not trimming oaks, what is the reality of the situation? If you cut a tree, sap will exude from the cut. If the cut is not painted, as above, there is a chance that nitidulid beetles will be attracted to the cut. There is a chance that the beetles landing on the cut, to feed, will have oak wilt spores on their bodies, from previously feeding on infected Red Oaks. There is a chance that some spores will germinate on the cut and infect your tree.
So what’s your best course of action? Should the HOA sign dissuade you from trimming your trees during the time frame they post? The simple answer: YOU should NOT trim your trees, during that time. The good news is that Happy Tree can trim your trees, year-round. We paint all cuts, in all oaks, and in that way we protect your trees from nitidulid beetles feeding on the sap exuding from the cuts we make. Since we climb up to many cuts we make at great heights, heights that you will not have access to, and we have pole painting rigs to assist us in painting cuts we can’t get right up to, Happy Tree makes sure that your trees maintain their optimal health, year-round.
Should you have any questions about oak wilt, please contact us at Happy Tree today. Our Certified Arborist, Miles J. Lefler, is also a Certified Oak Wilt Specialist, ISA. He will be happy to answer your questions.
At Happy Tree, we want to make sure that your trees stay happy and healthy. Give us a call today for more information!
Words of Praise from Our Oak Wilt Treatment Customers:
Let me tell you, I got so many different bids and different tree companies to come out and look at my trees. Evan said just a few words and I knew Happy Tree Service was the one. He REALLY knows trees and cares about your trees. We had to make a tough decision about cutting down a tree and he even called his father to get exact instructions so we would be successful at having a branch root and start over with the same tree.
Happy Tree Service trimmed all of our trees today. We have lots of very tall trees and they were in need of a good pruning. The crew showed up this morning, did a great job, cleaned everything up very nicely and all for a fair price. We are very happy with how our trees look and will definitely use this company again. Thanks Happy Tree Service from some happy customers!
My yard was completely overtaken by trees and overgrowth, and Happy Tree Service came to the rescue. They did a great job clearing out the overgrowth and now my yard looks so nice and clean! They also did a really nice job cleaning up my oak trees that had been recently damaged. I appreciate the professional customer service, quick response time, and excellent follow-up of Happy Tree Service!
Contact Info
Happy Tree Service of Austin
1108 Lavaca St Suite 110-445,
Austin, TX 78701
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