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- 1). Mix 2 tbsp. of liquid dish soap with 1 qt. of water in a spray bottle.
- 2). Gently spray the infected area in a broad sweeping motion. Do not saturate the area with the insecticidal soap, or you may kill the vegetation. Repeat every couple days.
- 3). Spray the area with a forceful jet of water, if outside.
- 4). Spray the area with horticultural oils -- 1 to 2 percent during summer months, 3 to 4 percent during fall and spring. Thoroughly cover the infected area.
- 5). Coat the area with diatomaceous earth. Sprinkle DE dust over the infected area. Be sure to wear a dust mask during application.
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