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In October, gardeners care for roses to ensure their health before winter, using milk as a natural remedy against fungal diseases. This affordable ingredient can help combat black spot, a common issue during this season. While milk has shown some effectiveness against certain plant diseases, its efficacy against black spot is uncertain. To prepare a milk solution, mix one part milk with two parts water and spray it on the leaves, testing first on a few leaves. Proper care, such as removing affected leaves and ensuring good air circulation, is crucial to limit disease spread. Regular monitoring and appropriate treatments are recommended if symptoms persist.