1. Temperature discomfort1. Reason: Rhododendron is sensitive to temperature. If the temperature is not suitable, its leaves may dry up. Specifically, whether it is too hot or too cold, this phenomenon will occur. 2. Measures: In this case, the temperature must be adjusted in time. The most suitable range is between 15 and 30 degrees. Particular attention should be paid to extreme temperatures in winter and summer. 2. Too much fertilizer or too concentrated fertilizer1. Reason: Rhododendron has a certain demand for fertilizer, but if it is fertilized too many times or the concentration is too high, it will easily cause root burn, which will then affect absorption and cause the leaves to dry out. 2. Measures: If this is the reason, it is best to remove the plant from the pot, repair the roots, and then put it back in the pot. When applying fertilizer later, the amount and concentration must be strictly controlled and diluted before use. 3. Diseases1. Reason: Some diseases will cause the leaves to dry up, such as brown spot disease, root rot, etc. 2. Measures: Use appropriate medicines according to the situation. At the same time, good ventilation conditions must be ensured in the surroundings, and attention must also be paid to the surrounding sanitary conditions. |
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