The London Planetree is commonly seen on streets or lawns because of the abundance of shade they provide. It presents a real challenge for managers of Plane trees in the built environment as the fungus appears to take … Plants grow best in moist, deep, rich well-drained soil in full sun. Some problems include cankerstain, anthracnose, lacebug, and frost cracking of the bark. The London plane tree variety called ‘Morton Circle’ was developed at the Morton Arboretum, by Dr. George Ware. )— Anthracnose of sycamore and London plane tree is caused by the fungus, Apiognomonia veneta (syn. Tree experts at the Royal Parks, which oversees some of London's most famous green spaces including Hyde Park and Kensington Gardens, have discovered a new disease called Massaria … While the exact details of the tree’s origin have been lost over time, it was discovered that this hybrid could tolerate the smoke and grime of London. The… Massaria, (or Macrodiplodiopsis desmazieresii /Splanchnonema platani ), seems to be a disease specific to London plane trees, the Oriental plane and the Occidental plane. Infected sycamore and London planes have sparse foliage, small leaves, and elongated sunken cankers on the trunk and larger branches. London Planes account for more than 15% of New York City’s tree populations. Our experience provides multiple options for treatment that are not available elsewhere. It has developed something on the outer leaves of the lower branches. The wood used to be popular for making veneers, as it is an attractive golden-brown colour with dark brown flecks. It is a hybrid of the American sycamore and Oriental planetree and is particularly well adapted to urban conditions. The canker may at first just appear to be a darkened, flattened area on the wood. The leaves have white moldy splotches and are curling up. Plane Tree Anthracnose is becoming commonplace. The leaves of the planetree are 3-to 5-lobed and up to 9.8 inches broad. London Plane Tree Choices Bloodgood is a popular variety of the London planetree. This circa 1970 variety is a hybrid between Platanus occidentalis and Platanus orientalis. Anthracnose is a common disease of the western sycamore, Platanus racemosa; the American plane tree, P. occidentalis, and the London plane tree, P. acerifolia. Rachel, Most people, when they refer to a Chinese elm (Ulmus parvifolia), mean Siberian elm (Ulmus pumila).I assume that is what you mean since Siberian elm is the fast growing one. The disease, Massaria (Splanchnonema platani), affects London Plane trees (Platanus spp.). Massaria Disease of Plane. And ironically, given that American GIs brought the fungus to Europe in the first place, among the new trees to replace the old are 7,000 disease-resistant plane trees - … [citation needed] Bacterial leaf scorch can devastate London Planetree. Canker stain is very serious on London Planetree and can kill the tree. Elmsavers has over 30 Years’ experience treating Plane Tree diseases. The trees send out a second crop of leaves but repeated attacks can lower tree vigor. The London plane is actually a cross between the American Sycamore, Platanus occidentalis and the Oriental Plane tree Platanus orientalis. American sycamore or buttonwood (Platanus occidentalis), London plane tree (P. x acerifolia) and Oriental plane tree (P. Tolerant of the toughest conditions and resistant to disease, the Exclamation!™ London Planetree is a terrific choice for a fast […] Head of respiratory medicine at the Royal Melbourne Hospital Louis Irving said although there was no research on plane trees and lung diseases, it was highly plausible that their fibres were adding to air pollution that could exacerbate conditions such as asthma, chronic bronchitis … The London planetree is believed to have resulted from a cross between the Oriental planetree and the American sycamore. leaves, as well as in infected twigs and branch cankers. Since the disease typically attacks American sycamore trees, try planting a London plane tree or an Oriental plane tree, which are usually resistant to sycamore anthracnose. Use a properly labeled fungicide to help control the disease. The American Planetree prefers deep, rich, moist, well-drained soils. 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