Why do the leaves become black at the pear? How to deal with this ailment?

Growing a pear, a gardener can face various troubles. Pear trees need proper care and certain weather conditions, but sometimes, even with all the rules of growing plants, they are still affected by various diseases. Often, the first signs of the disease are expressed in the deformation of the leaves, changing their color, falling off. We will consider the most probable and often manifested diseases, and also we will disassemble, at which of them on the pear black leaves turn black.

Bacterial burn or bacterial infection

The first cause is a bacterial infection. This is a dangerous disease of fruit trees, the pear is hit hardest of all. The disease begins to manifest itself in the spring or early summer. First, young leaves appear black at the edges, later the ends of the fruits also turn black. Infection occurs through untreated cracks, wounds when pruning an infected instrument. This is one of the reasons why the leaves are black at the pear. In this case, the disease begins to develop rapidly, bacteria are carried along with the juice along the vessels of the tree, causing tissue death. Cure the plant in this case is very difficult, usually resorted to cutting down and burned. However, you can try to save the pear, strictly adhering to the rules of treatment. Spend copious spraying of leaves and flowers with antibiotics every five days. In addition to all, with all subsequent trimming of trees it is necessary to disinfect the instrument in a solution of boric acid. So you can avoid the spread of bacteria.

Scab. Discomfort and treatment of the disease

The second reason why the leaves are black at the pear is the scab. It is a fungal infection. It affects very often the whole pear tree - flowers, leaves, fruits. After the lesion, the pear leaves dry and wilt, and then fall off. Disease is dangerous, as the infection of neighboring trees occurs very quickly. Parsh can be cured with antibiotics, following the instructions for their use. In this case, it is necessary to process not only the tree itself, but also the land around it. It is recommended that the fallen leaves be collected and burned.

Air humidity. How does it affect?

Insufficient moisture can also be the reason why the leaves blacken at the pear. Plant health is very dependent on weather conditions, especially on humidity. If the air is too dry, even the abundant watering of the tree will not prevent the leaves from drying out and falling off. Those sorts of pears that are sensitive to dryness and dust, in order to avoid falling leaves and fruits, it is necessary to spray by a special method - by drip.

Aphids and gall mite. Pests that destroy the leaves of trees

Another reason why the leaves are black at the pear are aphids and the gall mite. These are parasites that feed on the juice of plant leaves, while the leaves turn black and curl up. If you deploy them, you can see the aphid or the female tick. All diseased trees are treated with a suitable herbicide. It is necessary to etch the entire garden, and then inspect all the plants adjacent to the pear after processing, as these pests can stay in the neighboring garden, and then return to you.