Geranium Pest Control Methods:
Controlling pests and diseases in geraniums is essential for maintaining healthy, vibrant plants. One of the most effective approaches is horticultural control. Ensure good air circulation and adequate sunlight to reduce humidity levels around the plants. Avoid spraying directly onto the foliage, as water droplets can spread pathogens. When taking cuttings, always use healthy plants and remove any infected leaves or branches promptly. Diseased soil should be disposed of carefully and not reused. If necessary, sterilize pots, tools, and growing medium to prevent contamination. A 1% Bordeaux mixture can be applied every 10–15 days as a preventive measure.
For chemical control, several options are available. You can spray a solution of 1000 units of agricultural streptomycin, or try a 14% copper chloride solution diluted at 300 times, or a 50% bacteriostatic solution diluted at 1000 times. These treatments help combat bacterial infections effectively.
Another important step is to completely remove all diseased plant material. Disinfect pots, planting tables, and tools using a 10% bleach solution. For soil, consider using a 2% formalin solution or replace it with fresh, disease-free soil. Always use certified disease-free seedlings when starting new plants.
Before and after the onset of symptoms, you can apply a 1% Bordeaux mixture or a diluted solution of 500–1000 ppm agricultural streptomycin multiple times. This helps manage outbreaks and prevents further spread.
By combining these methods—good cultural practices, chemical treatments, and proper sanitation—you can significantly improve the health of your geraniums and reduce the risk of future infestations.
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