Bonsai trees can be affected by various diseases. Here are some common ones and their treatments:
1. Fungal and viral diseases: These diseases often infect the entire tree and are usually caused by viruses that have multiplied in the soil or inside a host (pest).
2. Anthracnose: This disease is caused by a type of fungus and often occurs in horticultural species, crops, and broad-leaved bonsai trees.
3. Leaf blight: This is a type of anthracnose caused by a fungus that appears on the surface of leaves.
4. Spot disease: This disease causes small brown or black spots to appear on the surface of leaves, stems, and branches.
5. Powdery mildew: This disease affects a wide range of tree species including maple, enoki, akebi, persimmon, crape myrtle, and oak.
6. Sooty mold: This disease often affects pine species and camellias, causing symptoms that resemble black soot on the surface of leaves and twigs.
Early detection and appropriate measures are crucial for these diseases. If a disease occurs, apply a disinfectant suitable for each symptom to prevent further damage. Daily management and early response to any changes are also important. For specific measures, it is recommended to consult with an expert.
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