Verticillium wilt is another common Japanese maple Common to maples, the fungal pathogens enter the trees through wounds. The bark has opened and there is a liquid running out of the area exposed. The disease begins in bark layers, then extends into inner wood and often leaves oozing, wet areas on the bark. Baking soda and water 3. Japanese Maple Tree Diseases. Gentle winds transform silver maple trees (Acer saccharinum) into shimmery flashes of light. Limbs and branches with cankers should be pruned back to the closest main joint. Clorox bleach and water 4. There are several types of fungus that can be found on different trees. Tree Bark “Fungus” Identification and Treatment Algae, moss and lichens are the three main types of green growth that can appear on tree branches and trunks. In addition, the wood under the peeling bark is covered with a mat of fungus. Unsightly calluses and sunken areas on maple tree trunks and bark are caused by canker diseases. Cutting off infected limbs Preventing tree fungus from growing 2. The sterile conk is irregularly formed and has the appearance of burnt charcoal. Although, cankers are unsightly, most will not kill a tree. Other symptoms of fungal infection include sunken areas on parts of the tree's bark and discoloration on the bark. All look similar at first glance but have a few subtle distinctions. Inonotus obliquus, commonly known as chaga (a Latinisation of the Russian word чага), is a fungus in the family Hymenochaetaceae.It is parasitic on birch and other trees. Peeling bark caused by this disease is accompanied by yellowing and wilting leaves and dying branches. Maple trees are susceptible to numerous fungal diseases that cause cankers--areas of dead bark--on tree trunks and branches. One of the main causes of a maple tree's bark turning black is a fungus called Verticillium. Here are four methods you can use: 1. A mild case of canker will resolve itself, but heavy infection will kill the tree. Its has the appearance of looking sick and waning. Is there anything I can do to treat it. Dealing with Tree Fungus. Hardwood trees that have peeling bark may be suffering from a fungal disease called Hypoxylon canker. The main signs are rot on the truck of the tree, which can mess up its structural integrity. The leaves of the tree do not look very healthy this year. Canker can attack through bark damage. My 15 year old Japanese maple has a some sort of disease or fungus at its base. A healthy tree is better prepared to deal with Japanese maple pests. Sap oozes from the canker in the bark. The most common Japanese maple diseases are caused by fungal infection. Now that you know why you need to get rid of tree fungus, let’s talk about how you can get rid of it. Thin trees with rot are likely to fall apart. Fungus on the Trunk of a Silver Maple.