Fungi and nematodes

Fungi and nematodes

Fungal infestation on stored timber is often a value decreasing phenomena. Fungi also exist which cause extensive damage when appearing extensively. Counter-measures are often difficult, prevention is more effective.

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  (7 articles)
Sooty bark disease – the first discovery in Bavaria

The sooty bark disease infests maple species, is found in Austria and Switzerland, and has now made its way to Germany. What does this mean for the future of the maple?

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Verticillium wilt in sycamore

The wilting of shoots and trunk necrosis – the cause of these symptoms in the sycamore is a fungus called Verticillium dahliae. A project was set up to find out where it occurs and whether drought stress favours its development.

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Progressive mortality of Fraxinus species in Austria caused by Ash-dieback, in the context of Europe

Large parts of Europe have been affected by Ash dieback which resulted in massive tree mortality. So what can be learned from the prevention strategies in the countries where this disease has long been ravaging countless forests?

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Chestnut blight: symptoms, biology and management strategies

Chestnut blight is a dangerous fungal disease of chestnut (Castanea) species. Within 30 years it almost completely destroyed the extensive chestnut forests in the USA. Fortunately, the impact of the disease in Europe is less dramatic.

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The risks of introduced fungal diseases for forest trees

During the course of evolution a balance has been established between indigenous species and their diseases. However, if pathogens spread into new areas with potential new host plants then epidemics can develop. Some of these epidemics have made history.

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Chestnut blight north of the Swiss Alps is biologically controllable

Chestnut blight can be controlled with a so called hypovirus, but up to present it has not been possible to wipe it out north of the Swiss Alps.

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Rust Fungus on Spruce

Spruce rust fungi are a part of the ecosystem in subalpine spruce forests. Despite the fact that the damaged caused by spruce rust fungi are very distinct, they pose little threat for their host trees.

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  (7 articles)
Heading image: Thomas Reich