Diseases of Thunb. chinensis and their control

The harm of the witches' broom disease of the Chinese fern

The Chinese magnolia tree suffers from witches' broom disease, which is quite harmful. The main symptoms are that the leaves of the tree are small and yellow, and the side buds grow too many branches and form clusters. Generally speaking, the plants of the Chinese fern that are suffering from witches' broom disease will stop growing. Although they are unlikely to die, it will be difficult for them to get better.

The disease of Chinese magnolia shrub is usually caused by mycoplasma, which leads to witches' broom disease, which is characterized by irreversible, sporadic disease and whole-plant disease.

Prevention and Control of Witches' Broom Disease of Thunb.

In fact, it is quite difficult to prevent and control witches' broom disease. At present, there is no effective drug to treat witches' broom disease, so it is generally prevented.

The disease of witches' broom disease in Chinese fern is transmitted by pests as a medium, usually aphids.

Aphids are sucking pests that can easily spread witches' broom disease, so aphids must be controlled first.