Pest and disease control of Magnolia officinalis

Diseases of Magnolia officinalis

Once the Magnolia officinalis tree grows a lot and gradually becomes a forest, various problems will follow. The main diseases are the following two:

Root rot

As the name suggests, it means root rot. Generally, this happens when the Magnolia officinalis is still a seedling. If it is accidentally infected by a fungus, the roots will slowly rot, and finally black spots will grow on the stems. Then, a future towering tree will die. Generally, if you do the drainage work in advance and disinfect the soil, there will be basically no problem. Observe at any time. If you find any seedlings with root rot, pull them out and burn them directly. Then sprinkle special medicine on the soil to prevent the spread of the disease. You can also irrigate the seedlings with a certain concentration of lime water.

Soil pollution

This is currently the most lethal problem in the Magnolia officinalis forest. Of course, it is also related to the current environment. If there is haze on that day and the temperature is within a certain range, the disease will basically occur. There will be something like smoke on the leaves and bark of the diseased Magnolia officinalis trees, and then they will begin to grow slowly and weaken. Faced with this situation, there is no good way to solve it. We can only control the density when planting trees to ensure ventilation in the forest.

Leaf blight

Leaf blight, like root rot, is caused by a fungus, and when it strikes, the leaves simply wilt and then fall off. The solution is to cut off all the dead leaves and branches, and then spray pesticides regularly.

Pests

There are indeed many insects that can harm Magnolia officinalis, such as termites, longhorn beetles, moths, etc.

termite

Termites can completely eat away the roots of the Magnolia officinalis tree. Solution: When you find the termite nest, use smoke to suffocate them. You can also dig up the termite nest, but make sure not to damage the tree roots.