The pear is a widely known fruit tree that is highly prized for its aromatic and juicy fruits.
However, gardeners sometimes encounter the problem of blackening leaves on pear trees.
This phenomenon can be caused by various factors, ranging from improper care to serious illnesses, says Anastasia Kovrizhnykh .
It is important to diagnose the cause of blackening of leaves in a timely manner in order to take appropriate measures and save the tree.
One of the most common causes of blackening of leaves on a pear tree is fungal diseases such as scab, powdery mildew and black cancer. These diseases develop in conditions of high humidity and heat. With scab, dark spots appear on the leaves, which gradually increase in size and merge.
Powdery mildew causes the leaves to become covered with a white coating that gradually darkens. Black canker is a dangerous disease that affects all parts of the tree, including leaves, trunk, and fruits.
Bacterial infections can also be the cause of blackening of leaves on pear trees. One such infection is fire blight.
With this disease, the leaves turn black and dry out, starting from the tips. Bacterial burn is a dangerous disease that can lead to the death of the tree.
Blackening of leaves on pear trees can be caused by pests such as pear leafhoppers, pear mites, and pear fruit moths.
The pear leafhopper sucks the sap from the leaves, causing them to turn yellow and black. The pear mite also feeds on the sap of the leaves, causing them to deform and turn black. The pear fruit moth damages the fruit and leaves, which can cause them to turn black and fall off.
Blackening of leaves on a pear tree can be a consequence of improper care. Insufficient or excessive moisture, lack of nutrients, improper pruning – all this can weaken the tree and increase its susceptibility to diseases and pests.
Blackening of leaves on a pear tree can be caused by adverse weather conditions such as frost, drought or hail. Frost can damage young leaves and shoots, causing them to turn black and fall off. Drought can cause the tree to become dehydrated and the leaves to turn black. Hail can damage leaves and fruit, which can also cause them to turn black.
In order to properly treat a pear with blackened leaves, it is necessary to determine the cause of this phenomenon. Carefully examine the tree and pay attention to the following signs:
Treatment for a pear with blackened leaves depends on the cause of the phenomenon. Here are some general recommendations:
To prevent blackening of pear leaves, it is necessary to observe the following preventive measures:
Earlier we talked about how to fight late blight .
