1. Plants are damaged by frost(1) Specific reasons: If the plants are not protected from cold in winter and are damaged by frost, the leaves are likely to rot. This is a mild symptom. If it is serious, the plant can easily freeze to death. (2) Solution: Move the plant to a warm place immediately. The maintenance temperature in winter should not be lower than ten degrees. 2. The air is too dry(1) Specific reasons: This situation mainly occurs in winter. The air in winter is generally drier, which can easily cause leaf rot. (2) Solution: You can move the plant and place it in a place with higher humidity. You can also spray some water appropriately. 3. Too much watering(1) Specific reason: If too much water is given, resulting in serious water accumulation, the roots will rot first. Next, the leaves will rot. (2) Solution: Reduce watering immediately to see if the situation improves. If there is still no sign of relief, you can remove the plant, trim the roots, clean it, disinfect it, and dry it before potting it. 4. Diseases(1) Specific reasons: Some diseases can cause leaf rot, such as bacterial leaf spot and so on. First some lesions will appear, then they will expand, and then the leaves will rot. (2) Solution: Dispose of rotten leaves. Then, spray streptomycin sulfate. Spray about once a week to ten days. |
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