Answering Common Questions About Tree Diseases

Have you noticed that something is wrong with your tree? It’s a sign of a tree disease. In fact, there are a lot of diseases that can negatively affect tree’s health and growth. It all begins with diagnosing a tree. First and foremost, you have to identify tree’s problems. Next, your tree has to get an effective disease treatment. And of course, you should have at least basic knowledge about tree diseases. In this blog, we are going to answer the most common questions about tree diseases.

Why Does a Tree Have Brown Leaf Margins?

Do you see that leaf margins on your tree have turned brown? Actually, there are two main reasons why a tree may have brown leaf margins. This problem may happen when a tree has been over-fertilized. Brown leaf margins can be also a result of excessive soil salinity. One way or another, soil testing needs to be done to identify the cause of the problem. Finally, a tree has to get an appropriate treatment.

Why Does a Tree Have Deformed Leaves?

This kind of a tree foliage problem can be caused by many things including pests, a lack of nutrients in the soil as well as herbicide damage.

Why Do Tree’s Leaves Have Spots?

Among the trees that usually suffer from a leaf spot disease are: ash trees, horse chestnut, maples, oak trees, walnuts and some others. A leaf spot disease may attack both newly planted trees, young trees and old trees. Trees may have small sized spots on their leaves. Spots may also cover an extensive portion of the leaf. Spots can be either brown or black in color. In most cases, a leaf spot disease is caused by fungi. Very often the issue is caused by bacteria. Some tree insect pests can also cause leaf spots. Sometimes, spray burn results in spots on tree’s leaves. Also, it’s very important to avoid overwatering trees to prevent a leaf spot disease from happening. If a leaf spot disease is left untreated, tree’s leaves may turn yellow and drop down over time.

Why Do Tree’s Bottom Leaves Turn Yellow?

Normally, tree’s leaves change their color in fall. However, if these kinds of things happen in summer it’s a sign of a tree health problem. There are many reasons why a tree may suffer from yellowing of the bottom leaves. A tree may be attacked by insects. The problem can be also caused by a lack of nutrients in the soil. A lack of water or overwatering as well as poor drainage may also lead to yellowing the tree’s bottom leaves. Other reasons include environmental conditions and herbicide damage.

Why Do a Tree’s Fruits Have Spots?

Apple trees, peach trees, citrus trees and other types of fruit trees may have spots on their fruits. Among the causes of spotting on fruits are: bacteria, fungi, fruit-spotting bugs as well as environmental factors. A problematic tree needs to be diagnosed by a tree care expert first. After a cause of a problem is identified, a tree has to be treated.

Do you think that some of trees on your property are sick and need to be treated? Give us a call on (416) 201-8000 right away! Tree Doctors have been treating trees in the city of Toronto for many years. Our arborists have all the necessary knowledge, skills, experience as well as tools to keep your trees beautiful and healthy!

2018-09-12 05:19:00

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