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Tree Trimming & Tree Removal Services

Common Tree Diseases To Look Out For In Rockville

Trees are living things, and just like humans and animals, are affected by the conditions in their environment. They also become susceptible to diseases depending on the time of the year, pest infestations, as well as the health and even the type of tree.

As a homeowner in Hanover County, it helps to know some of the diseases that your trees may be susceptible to. Bear in mind that when caught early, many tree diseases can be dealt with, allowing the tree to survive and recover.  Should you notice any symptoms, reach out to your local arborist immediately for expert advice.

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Powdery Mildew Disease

Powdery mildew disease affects different kinds of trees. However, trees can more easily develop the disease if they are weak, nutrient-deficient, or have other diseases.

Powdery mildew is a common disease that appears as a white powdery substance on a tree leaf surface. The powdery appearance comes from millions of tiny fungal spores, which are spread in air currents to cause new infections. Powdery mildew attacks all kinds of landscape plants, including trees. Fortunately, although the disease is disfiguring, it rarely kills a tree.

Almost any tree species can be affected by powdery mildew, but the most common are maple, basswood, dogwood, lilac, magnolia, crabapple, catalpa, and oaks. Read more at ThoughtCo…

A tree whose trunk has wounds from pest infestations would also be susceptible to powdery mildew disease. The disease is most prevalent when there is a combination of high humidity and cool temperatures. Spacing out trees and pruning to encourage proper air circulation and light penetration helps prevent this disease.

Thousand Cankers

If you have walnut trees, then one disease to look out for is the thousand cankers disease. Black walnut trees are the typical host, but other types of walnut trees can also be infected. In fact, some experts suggest that it may be able to extend to other trees as well.

Thousand cankers disease (Geosmithia morbida) is a disease complex that affects walnut trees. The complex begins with the infestation of vulnerable walnut trees by the walnut twig beetle, Pityophthorus juglandis. During its adult stage, Pityophthorus juglandis makes contact with the fungal pathogen, Geosmithia morbida. The adults subsequently bore into the bark of infested trees to overwinter or lay eggs. As the beetles tunnel into the host, they unwittingly introduce the fungus, which germinates in the woody tissue. Once the fungus has become established, it induces the formation of cankers on the diseased branches. Large beetle populations can overwhelm infested trees, causing them to decline rapidly. Infected trees may experience tree mortality within 2 to 3 years of the initial infestation. Read more at Iron Tree Service…

One major challenge you’ll face if your walnut trees have this disease is that it may not be obvious during the early stages. The cankers begin to form in parts of the trunk that are not visible. The ‘thousand cankers’ appearance only becomes evident once the disease progresses.

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Beech Bark Disease

Beech scale insects are responsible for the beech bark disease (BBD), which, as the name suggests, usually affects beech trees. As these insects feed on the tree, cracks and holes are formed on the bark. It is through these holes that the canker fungi invade the tree.

The problem starts when beech scale feeds on your tree. Firstly, using their sucking mouthparts, scales pierce the bark of the tree to suck out the sap. This produces small wounds and weakens the tree. Moreover, the feeding holes provide entry to native fungi. Next, fungi enters the tree and produces the tell-tale cankers.

Finally, Beech Bark Disease weakens infected trees and increases the chances of ‘beech snap’. That is where the trunk of a beech snaps. Read more at Arbor Tree Experts…

Although BBD is a fatal disease, trees can live up to 10 years after infestation. However, infected trees could pose safety risks for people and property when the trunk snaps. Fortunately, homeowners can treat infected trees by removing the scale insects and applying dormant oils and proper insecticides.

Keeping an eye on your trees through regular inspections is important as it allows you to take remedial measures early in case of a disease. However, in some situations, it’s important to remove a diseased tree to protect the rest from becoming infected. Steadfast tree care provides emergency tree removal services in Rockville. Call us today for expert services.