Trees also get sick, and very often, because they are exposed to the elements and many vicissitudes out in the open. The humidity conditions and their very condition as a living element, also make them a source of nutrients and an ideal shelter for a multitude of parasites and insects. If you like trees or even grow them, you will be interested in knowing the 7 tree diseases that we are going to show you in this article. So that you can identify and prevent.
The good thing about knowing about diseases is that in many cases they can be prevented or at least treated in time to find a cure. Acting quickly will make the difference between a successful treatment or wasted money and effort.
If you want a healthy, beautiful and long-lived tree, be sure to pay attention to this disease guide that we are going to share with you so that you can take care of your tree and keep it in the best condition.
fire blight
Also called bacterial blight or fire blightIt is caused by a bacteria and is a dangerous disease because it attacks very quickly and spreads from tree to tree. The disease can quickly become a plague.
This disease causes damage mainly to the fruit trees, which is a pity. It is always sad when a tree ends up sick and dying, but if it also produces fruit, the problem and the loss are even greater.
Bacterial blight in particular has wreaked havoc on pear, quince and apple trees, although other types are not a problem either.
Furthermore, it causes the most damage in spring because it appears when temperatures are rising. You will be able to tell that your trees are suffering from an attack by this bacteria if you observe symptoms such as the following:
The leaves look black, as if they had been burnt. The strangest thing is that they are young leaves and branches, so it is not due to aging that they look droopy and damaged. If you find your tree like this, it is because something is wrong with it.
In addition, the branches and fruits give off a viscous, brown substance.
On the other hand, the flowers and the tree in general begin to wither quickly.
How to deal with burning bacteria?
Fighting this disease is neither easy nor quick. You will have to prune, removing all the branches that are infected.
The disease is so contagious that you will have to disinfect the pruning shears to prevent the spread of the bacteria. Also, facilitate the passage of air, so that the bacteria do not concentrate.
Powdery mildew
Another The most malicious tree disease is powdery mildewIt is like a fungus, like mold, that grows and invades everything. It affects, above all, maples, walnuts and oaks.
You will notice the presence of this fungal disease because layers of white or greyish powder will appear on the branches, shoots and leaves. In addition, the leaves will look wrinkled and there will be fewer flowers. These diseases slow down the growth of plants.
You will need to prune and apply an anti-fungal treatment. There are also sulfur-based fungicides, which work in a more natural way.
Roya
Speaking of diseases, we have the roya, which we cannot leave behind. It affects mostly poplars, pines and oaks. It is discovered because it causes Brown or orange spots on leaves.
In addition, the leaves fall, elongated spots appear and the tree deteriorates for no apparent reason.
Affected leaves and branches should be removed. In addition, fungicides can be used and humidity can be avoided.
Poplar canker
Its name already gives us a clue because it attacks, with greater force, the poplar tree, although we can also see it in other fast-growing species.
You will see lesions on the bark, even with areas that are cracked and sunken.
The tree exudes a brown or slimy substance.
In addition, the branches die and the bad appearance spreads from one to another.
For Treating CancerPrune, prune and prune. But be careful, because wounds expose the tree to worsening of the disease, because they are entry points, so the danger is great.
verticillium wilt
This is one vascular disease which is caused by the action of a fungus. It affects elms, fruit trees and maples. You will notice the following symptoms:
- Yellowish leaves and withered.
- The growing branches appear to grow deformed.
The most worrying thing is that the fungus affects the roots of the tree. So the damage can be very fierce. You will have to use fungicide. But there is a measure that, added to the fungicide, can help you: apply organic matter.
Be careful! The soil becomes infected and the disease can spread.
Anthracnocis
Once again we are faced with another fungal disease that causes trees such as sycamores, walnuts and oaks to become seriously ill. You will be able to easily see the symptoms, because they show obvious signs:
- Dark spots with irregular edges that appear on the leaves.
- Necrosis on branches and shoots.
- Falling of leaves that are still young.
The tree will soon die if no remedy is taken. Therefore, it is necessary to avoid humidity and apply a fungicide quickly. In addition to removing the leaves that are already sick with anthracnose.
Mildew
This name will surely sound more familiar to you. Again, another fungus that invades the soil and is one of the most common tree diseases. Among the symptoms you will notice are:
- Yellow spots on the upper side of the leaves.
- White, spongy-looking mold on the inside of leaves.
- The fruits look deformed.
- The tree begins to delay its growth.
To prevent and treat this, it is vital to eliminate the surrounding moisture, apply fungicides and improve soil drainage so that water does not accumulate.
These are them 7 tree diseases that you can find most commonly. Preventing them mainly involves avoiding humidity, because practically all of them are fungal diseases. Have you already suffered from one? Were you able to solve it? Tell us about your experience and how you managed to remedy this type of ailment in your trees.