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How to Remove Sooty Mold from Citrus Trees
How to Remove Sooty Mold from Citrus Trees. Sooty mold indicates that your citrus trees have an insect infestation. It is usually found on the bottom of a tree's leaves. The insects that cause sooty mold--mealybugs, whiteflies and aphids--are typically more active during cooler weather. Mold forms from a honeydew secretion that the insects leave...
Sooty mold indicates that your citrus trees have an insect infestation. It is usually found on the bottom of a tree's leaves. The insects that cause sooty mold--mealybugs, whiteflies and aphids--are typically more active during cooler weather. Mold forms from a honeydew secretion that the insects leave after feeding on the tree. You can remove sooty mold with store-bought insecticides or homemade solutions.
Things You'll Need
Big Buster insecticide
Liquid Gold Copper
1 cup cooking oil
1/2 cup water
Dish soap
Step 1
Spray both sides of infected tree leaves with Big Buster insecticide. Use a second treatment 10 to 14 days after your first application if your trees have a severe infestation.
Step 2
Spray your trees with liquid Gold Copper when mold develops. Apply it only to infected leaves. Stop a large outbreak by respraying infected leaves 10 to 14 days after the first treatment.
Step 3
Mix 1 cup of cooking oil with 1/2 cup of water. Place a small amount of dish soap in the mixture, then spray it on the infected leaves. This homemade spray will smother the insects.
