Common diseases of rich trees
The disease with high incidence of Fugui tree is powdery mildew, which is mainly characterized by a layer of white powdery material attached to the leaf surface. At first, it is a small yellow spot, and then gradually expands into a round lump by lump. After mildew, it seriously reduces the beauty and health of the plant. The disease is fast and infectious. Once the best prevention and treatment period is missed, it is easy to cause serious impact p>
Harm of powdery mildew
Powdery mildew often occurs in the young stems, young leaves, flower buds, petals and other parts of rich and noble trees. The disease spots will gradually expand and then aggravate into powdery mildew that blocks the normal function of the leaf surface. The most serious situation is that the leaves gradually shrink and curl up, and the young buds cannot stretch out, showing a deformed state, which seriously affects the ornamental value of rich and noble trees p>
Prevention and treatment of powdery mildew
Physical prevention
To prevent powdery mildew, first select some disease resistant plant varieties during cultivation. Before cultivation, carefully check the plants and cut off the diseased branches. Moreover, before planting, the soil of the flower pot will be strictly disinfected, and the hidden bacteria will not appear on the seedlings p>
Secondly, according to the causes of powdery mildew, take later remedial measures. You can take human methods to wipe off the white powder on the leaf surface, and then place it in a ventilated environment p>
Chemical control
According to the symptoms of the disease, buy drugs for powdery mildew in regular medicine stores, use scientific methods to mix water and spray it on the diseased leaves, which can generally be effectively treated p>