Some problems include cankerstain, anthracnose, lacebug, and frost cracking of the bark. London Planetree is a better choice than the native American Sycamore (PLATANUS OCCIDENTALIS) because of its resistant to anthracnose. This circa 1970 variety is a hybrid between Platanus occidentalis and Platanus orientalis. As the disease progresses and cankers enlarge, water sprouts develop below the cankers. Family Platanaceae (Plane tree family) Plant identification. 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 pathogen starts reproducing from these sources to infect new leaves and shoots. Where does it grow? Platanus × acerifolia, the London plane, London planetree, or hybrid plane, is a tree in the genus Platanus.It is often known by the synonym Platanus × hispanica.It is usually thought to be a hybrid of Platanus orientalis (oriental plane) and Platanus occidentalis (American sycamore). 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 … Soil pH adaptable, moderately salt and drought tolerant. Although the disease is rarely fatal and trees will grow a second set of leaves, repeat infections will result in abnormal branching and will leave a tree stressed and more susceptible to other diseases and pests. The London plane, existing as a number of different clones (e.g., P. x hispanica), varies in susceptibility. 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.). Signs of anthracnose in these trees include: Beneath the cankers, the wood is stained bluish black or reddish brown in a wedge-shape (when viewed in cross section) with the point of the wedge extending toward the center of the trunk or branch. A practical management guide to Massaria Disease of Plane has been released by the London Tree Officers Association (LTOA), available by free download. The wood used to be popular for making veneers, as it is an attractive golden-brown colour with dark brown flecks. Anthracnose is a common disease of the western sycamore, Platanus racemosa; the American plane tree, P. occidentalis, and the London plane tree, P. acerifolia. London plane tree root issues have become quite a headache for the municipality, denizens of the city and arborists with the question of “what to do about plane tree roots.”. 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. The London planetree is believed to have resulted from a cross between the Oriental planetree and the American sycamore. It is a fungus that has been doing serious damage to plane trees in continental Europe for nearly ten years and has now reached us in Islington. Anthracnose is the most serious disease of … The trees send out a second crop of leaves but repeated attacks can lower tree vigor. 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 … Canker stain is very serious on London Planetree and can kill the tree. Infected sycamore and London planes have sparse foliage, small leaves, and elongated sunken cankers on the trunk and larger branches. Gnomonia platani ). The London plane tree is more resistant to anthracnose infection than are sycamore trees. See more ideas about london plane tree, plane tree, tree. The first symptoms appear in early spring as the leaves begin to unfurl from the leaf buds, and at this stage the disease may be mistaken for frost dam - age. Quick treatment can often be all that is required to save your tree from devastation and disfigurement. Tolerant of the toughest conditions and resistant to disease, the Exclamation!™ London Planetree is a terrific choice for a fast […] Plane Tree Anthracnose is becoming commonplace. Call an arborist, or tree expert, to help you diagnose and treat the disease. leaves, as well as in infected twigs and branch cankers. The… London Planes account for more than 15% of New York City’s tree populations. Not only is it an incredibly durable tree, it's gorgeous. You won't need to constantly inspect the bark or leaves to make sure it's doing well. He repeated the original natural origin of the London plane tree by crossing a plant of Old-World Sycamore growing at the US National Arboretum with a disease-resistant plant of American Sycamore that grew at the Morton Arboretum. It is denoted by its olive coloured bark and sycamore-like leaves that transform into a splendid orange-yellow colour in the autumn. Massaria expert Greg Packman, who has studied more than 50,000 planes, said the disease is now 'the main consideration' for tree inspectors in London and large swathes of the South East. The American Planetree prefers deep, rich, moist, well-drained soils. Massaria Disease of Plane. Of the various types of plane trees, the American sycamore (Platanus occidentalis) is the most susceptible to the disease, with the oriental plane (P. orientalis) being much more resistant. The leaves have white moldy splotches and are curling up. Sycamore is a fast-growing deciduous tree reaching 30 to 40 … The 42,000 plane trees lining France's historic Canal du Midi are being felled because of a fungus brought to Europe by US soldiers … )— Anthracnose of sycamore and London plane tree is caused by the fungus, Apiognomonia veneta (syn. Bacterial leaf scorch can devastate London Planetree. The leaf base is often straight with a margin that is smooth [3]. Somewhat smaller than the American sycamore, it has slightly … It is a hybrid of the American sycamore and Oriental planetree and is particularly well adapted to urban conditions. The leaves of the planetree are 3-to 5-lobed and up to 9.8 inches broad. A London plane tree will usually grow to 35 metres in height and can live for hundreds of years. Fertilization helps trees withstand repeated defoliation. The London plane is actually a cross between the American Sycamore, Platanus occidentalis and the Oriental Plane tree Platanus orientalis. It has been widely used in urban areas but, due to increased disease problems, it is gradually losing favor. The London Planetree is very disease and pest resistant, plus it's deer tolerant. Our experience provides multiple options for treatment that are not available elsewhere. Sycamore and London plane tree (Platanus spp. It presents a real challenge for managers of Plane trees in the built environment as the fungus appears to take … Sycamore, London plane tree—Platanus spp. June 6, 2011 at 1:32 p.m. London plane tree is trendy not because it is all that excellent, but because it is so reliable. Feb 16, 2016 - Explore Tyler Mohr's board "London Plane Tree" on Pinterest. Leaves: Planetree leaves resemble the leaf of a sugar maple. Can be a messy tree since drops a lot of leaves, twigs and fruit. 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