Sometimes the mold is accompanied by an ant problem as well because ants are attracted by the mold. How to Remove Sooty Mold from Citrus Trees . Charles Pearson has written as a freelancer since 2009. Ideally you want to treat the cause of the problem, the insects, and then the mold will disappear over time. Mix 1 teaspoon of dish soap with 1 gallon of lukewarm water. Spray your trees with liquid Gold Copper when mold develops. There are also insecticides such as diazinon, which can be used to control the insect problem. This should be about 1 part peroxide and 4 parts water. A horrible black, sooty like mould that coats the leaves and branches of a plant, making them appear to be rotten and very unwell. He has a B.S. Ask for advice at your local greenhouse or gardening center for more help in finding the right insecticide and learning how to use it properly. There are also insecticides such as diazinon, which can be used to control the insect problem. Despite its dirty appearance, sooty mold doesn't generally hurt shrubs, but the sap-sucking insects that cause the mold can compromise the plant. show more show less . From the image you have supplied it looks like you have a fungus problem known as sooty mould which is caused by scale and/or other sucking insects and is a very common problem on citrus. Horticultural oils or a hydrogen peroxide spray both have the ability to get rid of the insects. Spray your trees with liquid Gold Copper when mold develops. Problem: A black crusty coating covering the leaves of shrubs or other plants*.You determine it is sooty mold. Sooty Mold On Citrus Trees, How To Get Rid Of Black Soot On Citrus Trees. Carefully inspect your tree, especially the undersides of the leaves, and you … On close inspection tiny filaments can be seem emerging from the mould with a drop of honeydew at the end. This can be sprayed on the trees with a garden sprayer, paying particular attention to the parts with the most mold. You can remove sooty mold with store-bought insecticides or homemade solutions. It is caused by a scale insect that sucks the sap of the beech trees and the bark of trees will often be completely covered in sooty mould. Wipe the soapy water over the areas and leaves affected by the mold, gently rubbing until the mold loosens. Some have reported that a solution of hydrogen peroxide and water which is sprayed on the trees has helped. The insects that cause sooty mold--mealybugs, whiteflies and aphids--are typically more active during cooler weather. Sooty mould on citrus leaves Sooty mould looks just like the name implies – like a layer of black or grey fireplace soot over the leaves and branches. Spray both sides of infected tree leaves with Big Buster insecticide. Sooty mold, a black mold that covers shrub leaves and other plants, looks more alarming than it is. It might sound strange but sooty mould is actually a problem caused by sap sucking insects like aphids , scale , whitefly , mealybugs and mites . Aphids, scales, and whiteflies are commonly the culprit when black mold appears on citrus trees. It is actually a fungus that grows on the excretory secretions of insects, so if you can get rid of the insects, you can solve your mold problem. As the pests dine on the sweet juices, they excrete sticky “honeydew” that attracts the growth of ugly black mold. Wipe the soapy water over the areas and leaves affected by the mold, gently rubbing until the mold loosens. If you choose a chemical insecticide, make sure you get one that is recommended for these types of insects, and be sure to read and follow the directions exactly. Despite its dirty appearance, sooty mold doesn't generally hurt shrubs, but the sap-sucking insects that cause the mold can compromise the plant. These are sap sucking insects, often found on the undersides of leaves, especially during the cooler weather. Add a copper fungicide to the try in order to control the fungus problem about every three months. Citrus Sooty Mold Info. He has written the ebooks "Karate You Can Teach Your Kids," "Macadamia Growing Handout" and "The Raw Food Diet.". Mold forms from a honeydew secretion that the insects leave after feeding on the tree. Look for insects including aphids, whiteflies, leafhoppers, mealybugs and scale. This will make it easier to get the correct kind of insecticide. If you choose a chemical insecticide, make sure you get one that is recommended for these types of insects, and be sure to read and follow the directions exactly. Taylor has a high-school diploma and she took college courses along with obtaining two technical certificates. Mix 1 teaspoon of dish soap with 1 gallon of lukewarm water. Sooty mould actually indicates there is an insect pest, such as white fly. The trick here is to get rid of the underlying problem, which is the scales or aphids; then the black mold and ants, if present, should disappear as well. Mix 1 teaspoon of dish soap with 1 gallon of lukewarm water. Mold forms from a honeydew secretion that the insects leave after feeding on the tree.