Family Platanaceae (Plane tree family) Plant identification. The London plane tree is more resistant to anthracnose infection than are sycamore trees. The disease, Massaria (Splanchnonema platani), affects London Plane trees (Platanus spp.). 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. Sycamore is a fast-growing deciduous tree reaching 30 to 40 … Plane Tree Anthracnose. 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 - … The leaf base is often straight with a margin that is smooth [3]. The London Planetree is commonly seen on streets or lawns because of the abundance of shade they provide. London Planetrees are commonly planted as street trees currently due to their hearty disposition and disease resistance to anthracnose and some pests. You won't need to constantly inspect the bark or leaves to make sure it's doing well. Signs of anthracnose in these trees include: Platanus acerifolia ‘Columbia’ brings the beauty of the London Plane tree without the worry of anthracnose (symptoms include discoloration and leaf drop) or mildew to the landscape. )— Anthracnose of sycamore and London plane tree is caused by the fungus, Apiognomonia veneta (syn. Fertilization helps trees withstand repeated defoliation. This circa 1970 variety is a hybrid between Platanus occidentalis and Platanus orientalis. 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. London Planes account for more than 15% of New York City’s tree populations. London Planetree is a better choice than the native American Sycamore (PLATANUS OCCIDENTALIS) because of its resistant to anthracnose. The leaves of the planetree are 3-to 5-lobed and up to 9.8 inches broad. 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. Some problems include cankerstain, anthracnose, lacebug, and frost cracking of the bark. Plane Tree Anthracnose is becoming commonplace. While another disease affecting plane trees, Massaria (Splanchnonema platani), is a weak pathogen and its effects long term may not be too damaging if managed appropriately, asserts the LTOA, CSP ‘is a true killer, impacting planes on a par with Dutch elm disease upon the elm population’. Not only is it an incredibly durable tree, it's gorgeous. The London plane tree is more resistant to anthracnose infection than are sycamore trees. Call an arborist, or tree expert, to help you diagnose and treat the disease. The leaves have white moldy splotches and are curling up. 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. Plants grow best in moist, deep, rich well-drained soil in full sun. See more ideas about london plane tree, plane tree, tree. The canker may at first just appear to be a darkened, flattened area on the wood. The tree received the name “London Plane” as it … 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. Soil pH adaptable, moderately salt and drought tolerant. Quick treatment can often be all that is required to save your tree from devastation and disfigurement. 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. Tolerant of the toughest conditions and resistant to disease, the Exclamation!™ London Planetree is a terrific choice for a fast […] Sycamore anthracnose is caused by the fungal pathogen Apiognomonia veneta, which overwinters on dead Platanus spp. London Plane Tree Choices Bloodgood is a popular variety of the London planetree. It has developed something on the outer leaves of the lower branches. 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. A London plane tree will usually grow to 35 metres in height and can live for hundreds of years. Bacterial leaf scorch can devastate London Planetree. Elmsavers has over 30 Years’ experience treating Plane Tree diseases. Massaria, (or Macrodiplodiopsis desmazieresii /Splanchnonema platani ), seems to be a disease specific to London plane trees, the Oriental plane and the Occidental plane. The London Planetree is very disease and pest resistant, plus it's deer tolerant. The London planetree is believed to have resulted from a cross between the Oriental planetree and the American sycamore. Anthracnose is the most serious disease of … Where does it grow? Infected sycamore and London planes have sparse foliage, small leaves, and elongated sunken cankers on the trunk and larger branches. Exclamation!™ London Planetree Platanus x acerifolia ‘Morton Circle’ Description & Overview A densely branched, upright pyramidal tree when young, the Exclamation!™ London Planetree develops its attractive exfoliating bark when young. London plane is valued for its ability to adapt to urban conditions and its resistance to pollution, and is therefore widely planted as a street tree in large cities, particularly London. The wood used to be popular for making veneers, as it is an attractive golden-brown colour with dark brown flecks. Sycamore, London plane tree—Platanus spp. However, Siberian alm, like willows and cottonwoods and almost all fast-growing trees except London planetree (sycamore), are disease and insect prone because they put no energy into defense. Uses: Planetree is used in many urban environments for its aesthetically pleasing looks. The American Planetree prefers deep, rich, moist, well-drained soils. The… It has been widely used in urban areas but, due to increased disease problems, it is gradually losing favor. Massaria Disease of Plane. American sycamore or buttonwood (Platanus occidentalis), London plane tree (P. x acerifolia) and Oriental plane tree (P. 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. A practical management guide to Massaria Disease of Plane has been released by the London Tree Officers Association (LTOA), available by free download. 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 … 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. Some authorities think that it may be a cultivar of P. orientalis. Anthracnose is the most serious disease of sycamore. As the disease progresses and cankers enlarge, water sprouts develop below the cankers. 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 … The trees send out a second crop of leaves but repeated attacks can lower tree vigor. It is denoted by its olive coloured bark and sycamore-like leaves that transform into a splendid orange-yellow colour in the autumn. Fungal spores are spread via rain splash as the new leaves and shoots emerge. The pathogen starts reproducing from these sources to infect new leaves and shoots. Our experience provides multiple options for treatment that are not available elsewhere. 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 London plane, existing as a number of different clones (e.g., P. x hispanica), varies in susceptibility. How do we grow it? The London plane tree is an attractive shade tree with light gray bark, which naturally peels to expose spots of … Gnomonia platani ). The London plane tree variety called ‘Morton Circle’ was developed at the Morton Arboretum, by Dr. George Ware. 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.”. [citation needed] 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 … Somewhat smaller than the American sycamore, it has slightly … Canker stain is very serious on London Planetree and can kill the tree. Anthracnose is a common disease of the western sycamore, Platanus racemosa; the American plane tree, P. occidentalis, and the London plane tree, P. acerifolia. Use a properly labeled fungicide to help control the disease. I have a London plane tree that is about 6 years old. It presents a real challenge for managers of Plane trees in the built environment as the fungus appears to take … leaves, as well as in infected twigs and branch cankers. Can be a messy tree since drops a lot of leaves, twigs and fruit. Leaves: Planetree leaves resemble the leaf of a sugar maple. Feb 16, 2016 - Explore Tyler Mohr's board "London Plane Tree" on Pinterest. The London plane is actually a cross between the American Sycamore, Platanus occidentalis and the Oriental Plane tree Platanus orientalis. 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