What is canker stain disease?
What is canker stain disease?
Canker stain of plane is a disease which can affect several species of plane trees (trees in the Platanus genus). It is caused by the ascomycete fungus Ceratocystis platani (C. platani), which was formerly known as Ceratocystis platani f. platani and Ceratocystis fimbriata s. sp.
How long can a London plane tree live?
The London plane can grow to 35m and live for several hundred years. The bark is olive green to grey, with large scaly plates that peel off to reveal a creamy bark beneath. Young twigs are green-brown.
Do London plane trees cause allergies?
It found that while 86 percent of the people tested were allergic to something, only about 25 percent were allergic to plane trees. And all those that tested positive for an allergy to London plane trees were also allergic to grass.
What kills London plane trees?
Scientific name of causal agent – Splanchnonema platani Massaria disease is a disease of London plane trees (Platanus x hispanica, also known as Platanus x acerifolia) which causes large lesions on the upper surfaces of major branches and branch dieback, and can cause branches to break off the tree and fall.
How do you care for a London plane tree?
Light. Full sun is ideal for the London planetree, but it will tolerate partial shade. It requires a minimum of four hours of direct sunlight every day, but six hours or more is better.
How do you fertilize a London plane tree?
Fertilizer. Because London planetrees are often planted in areas with poor soil or limited space, they might end up lacking nutrients. If that is the case, feed the tree in the early spring and fall with a tree fertilizer, following label instructions.
Is the London plane tree invasive?
London planetree: Platanus hybrida (Hamamelidales: Platanaceae): Invasive Plant Atlas of the United States.
Are plane trees toxic?
The answer is a guarded yes – particularly in September, among people with allergies. It’s also likely but unproven that plane tree leaf trichomes cause a range of irritant effects in a wider population and for longer. And there are clearly other allergic causes of symptoms in the inner city as well.
Are plane trees bad for hayfever?
So do plane trees cause hay fever symptoms? The answer is a guarded yes – particularly in September, among people with allergies. It’s also likely but unproven that plane tree leaf trichomes cause a range of irritant effects in a wider population and for longer.
When do plane trees shed pollen?
Tree pollen allergies are seasonal, mainly occurring between February and June. As some shrubs and trees start releasing pollen as early as January, hay fever can be triggered very early on into the new year, with people often confusing the symptoms for those of a common cold.
What does a genus Platanus tree look like?
Genus Platanus are vigorous, large deciduous trees of stately appearance, with maple-like foliage and attractively patterned bark Details P. x hispanica is a magnificent, large deciduous tree with beautiful flaking grey and cream bark.
What is Splanchnonema platani Massaria disease?
Scientific name of causal agent – Splanchnonema platani Massaria disease is a disease of London plane trees (Platanus x hispanica, also known as Platanus x acerifolia) which causes large lesions on the upper surfaces of major branches and branch dieback, and can cause branches to break off the tree and fall.
Is S platani a fungus?
S. platani is an ascomycete fungus whose anamorph is Macrodiplodiopsis desmazieresii. Massaria disease and the S. platani fungus have been found in several parts of England since the early 21st century.
What does a Pachyveria x hispanica look like?
Details P. x hispanica is a magnificent, large deciduous tree with beautiful flaking grey and cream bark. Leaves maple-like, palmately lobed, to 20cm in width.
