Some fungicides are watered into the roots of the infected tree, while others are applied to the stems, branches and leaves. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. Place the pruned clippings in a garbage bag immediately to prevent contact with other pats of the tree. Treating a tree fungus requires fungicide application, sterilized pruning tools and a proper maintenance regimen. Cankers appear as swollen or sunken patches on the bark or exposed surfaces of freshly cut parts. These cankers are areas of dead bark that are usually visible due to the sticky, white resin that leaks out of them. Fungus spreads through spores often carried by wind, water, insects or exposure to infected pruning equipment. Thus, a fungus can spread easily as the spores are carried on the wind. In some cases it is too late to control a fungus through chemical means by the time symptoms appear, especially since they go dormant in the winter. Fungal diseases account for many of the problems with deciduous trees. Some fungicides are watered into the roots of the infected tree, while others are applied to the stems, branches and leaves. – Yes, definitely lime can kill fungus, even in the soil. Pruning. Fungal cankers are one of the more widespread types of evergreen diseases, which are caused by an internal infection of any one of several different species of fungi. Fertilize the tree in the early spring, and water as needed. Tanya Khan is a freelance author and consultant, having written numerous articles for various online and print sources. Read label directions for dosage and application details, as many fungicides are applied in proportion to the trunk diameter. Prune affected parts of the tree, if the fungus is limited to a particular portion and has not spread. Root rot fungus kills roots of a tree, leading to decline and usually death if not treated. If the fungus is growing near the trunk of the tree, you’ll have to cut into it. Asked March 8, 2016, 9:18 PM EST . Follow the treatment schedule to make sure the tree is fully treated and rid of the fungus. If you cannot identify it, send a sample to your local extension office for identification. Cankers often appear as darkened areas of bark sometimes sunken in. This is due to the way that a fungus reproduces: spores. Shrubs also usually have multiple trunks, which helps to differentiate the tall ones from trees. Kelly's background also includes childcare, and animal rescue and care. Treatment: Cotton root rot is one of the most difficult plant diseases to control. How to Treat Fungus on a Tree. Cut infected branches 2 inches below the fungus, using sterilized pruning equipment. It spreads out probably 10+ feet at the bottom. In many cases, proper cultural practices will prevent and sometimes even treat outbreaks of certain fungi. Like every plant, shrubs are susceptible to diseases, including fungal infections. This will prevent the fungus from growing, and ultimately killing off the remaining fungi. Our friendly, knowledgeable people are committed to answering all of your questions to ensure a stress-free experience with your new Arizona sod lawn. Contact us if you need advice on how to treat fungus in your lawn! Shoot-type fungus, which causes leaf spots, is the most common. Treating a tree fungus requires fungicide application, sterilized pruning tools and a proper maintenance regimen. Other than that you should be careful as it is acidic and excess of it can also burn the leaves. Cut infected branches 2 inches below the fungus, using sterilized pruning equipment. Treatment of fungal diseases often depends on the extent of infection and the type of fungus. Inspect the tree, wearing gloves, to determine the type of fungus. Spray a preventive fungicide to the tree, following the label instructions. She has a Master of Business Administration in marketing but her passion lies in writing. In order to properly treat your tree, you must first identify what is stressing it. The spread of fungus to other parts of the same tree, or to a different tree altogether, can be controlled. Note the symptoms when you inspect the tree to ensure you apply an appropriate fungicide. Fungus spreads through spores often carried by wind, water, insects or exposure to infected pruning equipment. The fungus invades new areas by slow growth through the soil from plant to plant. For example, in the picture to the right, it appears that this Blue Spruce is suffering from a disease, but then again it … When evergreen trees are stressed, they are not shy about showing symptoms. Fungal diseases account for many of the problems with deciduous trees. Thin out the branches of the crown to allow more air circulation within the tree in late winter or early spring with loppers, a pruning saw or chainsaw depending on branch size. Cut out any branches infected with fungal cankers such as hypoxylon, phomopsis or cytospora canker, at least 4 to 6 inches below the canker infection during dry periods or late winter. Learn which plants thrive in your Hardiness Zone with our new interactive map! Water, fertilize and prune as per needs of the tree to strengthen it so that it is not susceptible to disease. Vascular fungus prevents essential nutrients from reaching parts of the tree, with symptoms that include leaf wilt and early leaf drop.