Symptoms of Bonsai Powdery Mildew Causes of Bonsai Powdery Mildew Prevention Measures for Bonsai Powdery Mildew Treatment Methods Bonsai As a traditional art form in my country, Bonsai is deeply loved by gardeners. During the maintenance process of bonsai, powdery mildew is a common disease. It often causes trouble to bonsai. This article will introduce you in detail the symptoms, causes, prevention and treatment methods of bonsai powdery mildew, and help you better maintain bonsai. Symptoms of Bonsai Powdery Mildew Bonsai Powdery Mildew is mainly manifested as the appearance of white powder on leaves, branches and fruits. In severe cases, the leaves will gradually turn yellow and fall off, and even lead to the death of the entire plant. The following are some typical symptoms of bonsai Powdery Mildew: 1. Leaves: White powder appears on the surface of the leaves, which initially appears as small spots and gradually expands. In severe cases, the edges of the leaves are curled, withered, and fall off.
2. Branches: White powder appears on the branches. In severe cases, the branches are dry and distorted.
3. Fruit: White powder appears on the surface of the fruit, which affects the quality of the fruit. Causes of Powdery Mildew Bonsai Powdery Mildew is mainly caused by fungi. The main causes are as follows: 1. Environmental factors: Environmental factors such as suitable temperature, high humidity, and poor ventilation are conducive to the occurrence of Powdery Mildew.
2. Improper maintenance: Improper maintenance such as excessive watering, improper fertilization, and untimely pruning can also induce powdery mildew.
3. Pathogen spread: Pathogens can spread through the air, soil, insects and other channels. Prevention measures for bonsai powdery mildew To prevent bonsai powdery mildew, we can start from the following aspects: 1. Choose disease-resistant varieties: When purchasing bonsai, try to choose varieties with strong disease resistance.
2. Ventilation and light transmission: Keep the bonsai environment ventilated and light transmission, reduce humidity, and reduce the occurrence of diseases.
3. Reasonable watering: Water reasonably according to the growth habits of the bonsai to avoid stagnant water.
4. Timely pruning: prune diseased branches and leaves in time to reduce the spread of pathogenic bacteria.
5. Cleaning and sanitation: Regularly clean up the surrounding environment of the bonsai and keep it clean and sanitary. Treatment methods for bonsai powdery mildew Once a bonsai is found to have powdery mildew, the following measures should be taken in time to treat it: 1. Remove the sick plant: Completely remove the sick plant to avoid the spread of pathogenic bacteria.
2. Drug prevention and control: 50% carbendazim wettable powder, 70% thiophanate methyl wettable powder and other agents can be used for spray prevention and control.
3. Enhance plant immunity: Reasonably apply fertilizer to improve plant immunity and enhance disease resistance.
Bonsai powdery mildew is a common disease during bonsai maintenance. Understanding its symptoms, causes, prevention and treatment methods will help us better maintain bonsai. In the daily maintenance process, we must do a good job in prevention and detect it in time. Treat sick plants to ensure the healthy growth of bonsai.