This simple home solution can save many plants from powdery mildew and other plant fungus problems. Generic aspirin also contains salicylic acid which is known for its fungicidal properties and kills powdery mildew on contact.
Aspirin is the remedy for fungal plant problems, Black spot, powdery mildew, and rust are a terrible trio of fungi, which can attack and destroy your plants. Scientists have found that two uncoated aspirin tablets (325 milligrams each) dissolved in 1 quart of water and used as a foliage spray can thwart these diseases.
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