What should I do if the black spots on the rose leaves fall off
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What should I do if the black spots on the rose leaves fall off
If the black spots on rose leaves fall off, it is necessary to clean up the diseased leaves as soon as possible and completely burn them to avoid leaving the source of the disease. If the disease is severe, it is recommended to spray a fungicide for disinfection. Thiophanate-methyl can be an option. When spraying, control the concentration of the medicine to avoid phytotoxicity. After spraying, provide a well-ventilated, warm, and appropriately humid environment, which can basically control the situation and allow the plant to gradually recover.
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