The latest common diseases of plum blossom and their control

As a kind of plant that blossoms in winter, plum blossom has a long history of cultivation in China, and it is the first of the top ten famous flowers in our country. It inspires people with its noble, strong and modest character. Plum blossom not only has a very high ornamental value, its flowers, leaves, roots and species can be used as medicine, and has the effect of relieving cough and diarrhea, invigorating body and thirst. Plum blossom has strong vitality, but it is also inevitably disturbed by diseases when planting. Let's take a look at the prevention and control methods of common diseases of plum blossom.

1. Anthracnose of plum blossom

The anthracnose of plum blossom mainly harms the leaves and shoots of the plant. when the disease occurs, the leaves appear chlorosis spots and gradually turn brown, and the disease spots are nearly round or irregular. In the middle of the disease, the middle part of the disease spot is gray-white, there are concentric wheels, and black spores are produced on the disease spot in the later stage, which overflows the orange-red conidia in the environment of high temperature and humidity, resulting in leaf perforation and shedding.

Prevention and treatment: the disease is found to be timely removal of diseased branches and leaves, in spraying carbendazim, once a week, 3-4 times in a row can be cured.

2. Perforation of plum blossom

Perforation mainly harms the leaves of the plant and occasionally infects the branches. when the disease occurs, there are a large number of scattered disease spots on the leaves, which are nearly round. with the development of the disease, brown berry spots appear on the disease spots. In the later stage, the disease spot is easy to wither and fall off, which leads to many perforations in the leaves, and when the disease is serious, it causes the leaves to fall off and affects the normal growth of the plant.

Prevention and treatment: do a good job of plastic surgery and pruning, increase ventilation and light transmittance, the disease can be sprayed with carbendazim or topiramate, the same once a week, 3-4 times in a row.

3. Plum blossom leaf shrinking disease

Leaf shrinkage disease generally occurs during the sprouting of plum blossoms, that is, from March to May, when the temperature is suitable for the reproduction and growth of spores, and they will damage the leaf buds and shoots of the plant. As a result, the tender shoots become shorter and thicker, the leaves are wrinkled and thick, the leaves are rough, the leaves are curled back, the leaves are yellow, red, purplish red and gray, white powder appears, and the branches and leaves die when the disease is serious.

Prevention and treatment: when the plant sprouts, spray Bordeaux solution or Dysen zinc to prevent, when the disease is sprayed with thiophanate or carbendazim, once a week, 3-4 times can be cured.

4. Powdery mildew of plum blossom

Powdery mildew usually occurs in an environment of high temperature, high humidity and poor ventilation. When plum blossoms sprout, buds and new leaves will be infected by pathogens. As a result, the white powder layer appeared at the disease site, followed by black or yellow particles on the powder layer, and the leaves withered and died in the later stage.

Prevention and treatment: in the early stage of the disease, spray trimethoprim or methyl topiramate for prevention and treatment.

The above are common diseases and control of plum blossom. I hope I can help you. If you want to know more about plum blossom planting, please follow us.