Find a source that is reputable and can give you insight and help you control the situation. This is because bark diseases of maple trees are very visible to a tree’s owner and are often bring about dramatic changes to the tree. Over time, the maple tree will develop a canker that looks like a stack of paper that has been split and peeled back. The … Basal canker – This maple fungus attacks the base of the tree and rots away the bark and wood beneath. This disease can affect Norway … Trees will usually die in a couple of seasons after showing the symptoms of the disease. Diseases of maple trees are very draining to the system of the tree so they need plenty of water. A fungal infection of the soil that penetrates a tree’s roots, verticillium wilt takes … Occasionally, this fungus will also appear as red balls on the bark of the maple tree. Sunscald – Sunscald most frequently occurs on young maple trees but can happen on older maple trees that have thin skin. The best way to help prevent maple disease is to get rid of the affected trees that surround the healthy ones. It is very important to be able to recognize a disease and treat for it to prevent the death of the tree. Over mulching – Poor mulching practices can cause the bark around the base of the tree to crack and fall off. This is not a serious problem and can be combated by raking up fallen leaves around the tree. Tar spot is becoming very common on this species. What Is Bleeding Tooth Fungus: Is A Bleeding Tooth Fungus Safe, Propagating Bleeding Hearts : How To Grow More Bleeding Hearts, Guava Bark Remedies : How To Use Guava Tree Bark, Prickly Kale Leaves – Does Kale Have Thorns, Corn Husk Wreath Ideas: How To Make A Corn Husk Wreath, DIY Air Plant Wreaths: Wreath Making With Air Plants, Methods For Germinating Seeds – Learning How To Successfully Germinate Seeds, Growing Norfolk Island Pine Trees – Norfolk Island Pine Care Tips, Planting Mustard Greens – How To Grow Mustard Greens, Woodpecker Tree Damage: Preventing And Repairing Woodpecker Damage, Thanksgiving Tradition: Turning Homegrown Pumpkins Into Pie, Growing Thanksgiving Dinner – Must Have Turkey Side Dishes, Interesting Uses For Pecans: What To Do With Pecans, The Bountiful Garden: Bringing The Garden To Thanksgiving. Below you will find a list of diseases that affect maple trunk and bark. Steganosporium canker – This maple tree bark disease will create a brittle, black layer over the bark of the tree. These cankers can become slimy after rain or dew. Several different kinds of fungi will cause cankers on a maple tree. Trees are a good addition to your yard. These cankers can become slimy after rain or dew. Nectria galligena canker – This maple bark disease will attack the tree while it is dormant and will kill healthy bark. Maple trees will develop browning or the appearance of burnt spots on the leaves and streaks or discoloration on the bark. There are many kinds of maple tree diseases, but the ones that people are most commonly concerned with affect the trunk and bark of maple trees. Frost cracks – Similar to sunscald, on the southern side of the tree cracks, sometimes deep cracks will appear in the trunk. The Deborah maple or Deborah Norway maple is the Acer platanoides species of the maple tree family. This maple is prone to girdling roots. Occasionally, this fungus will also appear as red balls on the bark of the maple tree. Cryptosporiopsis canker – The cankers from this fungus will affect young trees and starts out as a small elongated canker the looks as though someone pushed some of the bark into the tree. A reputable company would be Great Northern Regreenery. Bark color and texture Bark is gray and fairly tightly ridged and furrowed. Verticillium wilt (fungus) is a potential serious problem. They all have the same thing in common, which is that they will create lesions (also called cankers) in the bark but these lesions will look different depending on the canker fungus that is affecting the maple bark. The cankers of this fungus will look like small shallow depressions on the bark with warts in the center of ea… A. pseudoplatanus. Prolonged periods of wet weather cause this fungus to appear. It only affects bark that has been damaged by other issues or maple diseases. 1. Often, the center of the canker will bleed during the rising of spring sap. Sign up to get all the latest gardening tips! If this is not possible you can try to prune the affected areas to try to help the tree to survive. Sign up for our newsletter. Valsa canker – This disease of maple trunks will normally affect only young trees or small branches. When you do see signs of maple disease it would be wise to seek the advice and help of a professional. Valsa canker This disease of maple trunks will normally affect only young trees or small branches. The cankers of this fungus will look like small shallow depressions on the bark with warts in the center of each and will be white or grey. As the tree grows, the canker will continue to grow. The disease originates in the roots of the tree and moves upwards to the large limbs. Also, if the bark is removed from the canker, there will be a layer of visible, light brown mushroom tissue. They have the skills and experience to handle your maple disease problems. There are other diseases that affect maple trees such as tar spot. The most prominent host is Acer pseudoplatanus, but there are additional maple species sometimes infected. One particularly devastating maple tree disease is also known as maple wilt. It is not uncommon for maple trees to develop growths called galls or burls on their trunks.
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