1. Increase the temperature1. Reason: Aloe vera likes warm environment and is not very cold-resistant. If you place it in a very cold place in winter, it may get frozen and develop black spots. 2. Treatment method: Move it to a warm room in time and keep the temperature above 15℃. It will recover after a period of time. 2. Spraying pesticides1. Reason: If the plant is attacked by pests such as aphids and scale insects, black spots may appear on its leaves. 2. Treatment method: Cut off the leaves with more black spots on the plant. Then prepare some insecticide, dilute it with water, and spray it every 7-10 days. Until it is fully recovered. 3. Spraying to remove bacteria1. Reason: If the environment in which it is grown is relatively hot and stuffy and not ventilated enough, it may develop leaf spot disease, which will cause black spots to appear on the leaves. 2. Treatment method: Move it to a ventilated place and cut off all its diseased leaves. Then spray it with some disinfectant to cure the disease. |
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