Susceptible people can get MapleBarkDisease by breathing in Cryptostroma corticale spores. The fungus grows on maple and other broadleaf trees. Maplebarkdisease is a respiratory disease caused by exposure to a tree fungus called Cryptostroma corticale. This fungus infects broadleaf trees, particularly maples. When trees are infected, the fungus forms mats of black spores on the surface of the bark. MapleTreeDiseases With White Spots on the Bark.Silver MapleTree Facts (Acer Saccharinum). Information about diseases that grow on or through treebark and what to do about them. Steganosporium canker - This mapletreebarkdisease will create a brittle, black layer over the bark of the tree. It only affects bark that has been damaged by other issues or maplediseases. Mapletrees are a variable species that thrive in many climates. As resilient as they are, they are still susceptible to barkdisease.Just as two healthy mapletrees may look nothing alike, barkdisease comes in many forms. Luckily, the signs of barkdisease are easy to spot early on. Maple species play a significant role as urban trees due to their high resistance to emissions. The sooty barkdisease infests maples and sooner or later will cause the death of the trees. The pathogen C. corticale has been spreading continuously since 1945 and has now reached Bavaria. MAPLE-barkdisease is an unusual disorder that affects both trees and man. The fungus, Cryptostroma corticale (Fig. 1), can cause death to the sycamore tree1 and also a totally disabling pulmonary disease in man.2... Sooty barkdisease (SBD) is coming out of the woodwork in force since its first sighting in British Columbia back in 2022. This disease, caused by the fungus Cryptostroma corticale, first appeared on European species — Norway and sycamore mapletrees... The fungus was recovered from several sycamore maples (Acer pseudoplatanus) near Ravenna Boulevard in 2017 and has been confirmed on other trees from many areas around Seattle since. The disease is referred to as ‘sooty barkdisease’ because it is characterized by mats of... Mapletrees are susceptible to numerous fungal diseases that cause cankers--areas of dead bark--on tree trunks and branches. Although, cankers are unsightly, most will not kill a tree. Limbs and branches with cankers should be pruned back to the closest main joint. This can help curtail the spread of mapletree black barkdisease, which can lead to many more mapletree branches dying. Recognizing Disease in Growth Progress. Washington is known for its abundance of green trees, but now a disease has been discovered in the South Sound attacking Maples. Scientists know it as Sooty BarkDisease, and explain it can injure people too. Wilted leaves, branch dieback, cankers, stained wood, and tree death can be observed on infected trees. Fittingly named “sooty barkdisease of maple” this disease is often identified by areas of treebark which have split open to reveal soot-like stromatal tissues (gray-black fungal mats). Although it seems impossible, mapletrees can be damaged by the sun. Sun scald is likely during the winter months when the weather is dry and the mapletree is weakened to the elements. Bark temperature that sinks low will kill active tissue in the tree, making sun scald a reality.
