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Hymenoscyphus fraxineus - Wikipedia
Hymenoscyphus fraxineus is an ascomycete fungus that causes ash dieback, a chronic fungal disease of ash trees in Europe characterised by leaf loss and crown dieback in infected trees. The fungus was first scientifically described in 2006 under the name Chalara fraxinea.
Ash Dieback (Hymenoscyphus fraxineus) - Woodland Trust
Ash dieback, also known as Chalara dieback of ash, is a serious disease that is killing ash across Europe. Find out what causes it and how to spot it.
What is ash dieback disease? Ash dieback is a highly destructive fungal disease affecting ash trees. It causes leaf loss and canopy decline and in some cases causes the trees to die. The disease was first officially recorded in the UK in 2012 and is now widespread across England, Wales and Scotland. Why is it important?
Ash dieback (Hymenoscyphus fraxineus) - Forest Research
Ash dieback is a highly destructive disease of ash trees (Fraxinus species), especially the United Kingdom’s native ash species, common ash (Fraxinus excelsior). It is caused by a...
Ash dieback - Teagasc | Agriculture and Food Development …
Ash dieback is a serious disease of ash trees caused by the invasive fungal pathogen Hymenoscyphus fraxineus (previously known as Chalara fraxinea), which originates in Asia and was brought to Europe in the early 90s. Today, the pathogen covers most of the natural range of ash in Europe causing high mortality rates of ash trees.
Ash dieback - RHS Gardening
Ash dieback is a serious disease of ash trees, caused by a fungus now called Hymenoscyphus fraxineus. The fungus was described as a new fungal species in 2006 as the cause of ash ( Fraxinus excelsior ) mortality in European countries during the previous ten years.
Ash dieback: The devastating fungus - Kew
2019年9月4日 · However, it's threatened by the ash dieback fungus, or Hymenoscyphus fraxineus; a highly infectious, devastating disease. Since 1992 when it was first described in Poland, the disease has quickly travelled across Europe, most likely by wind carrying the fungal spores and also human movement.
Responding to ash dieback: assessing your risk and what you can …
2024年5月11日 · Ash dieback (Hymenoscyphus fraxineus) is a serious fungal disease affecting ash trees. It was officially detected in the UK in 2012 and is now widespread. The fungus causes gradual crown...
10 questions about ash dieback - WUR - Wageningen University …
10 questions about ash dieback. Ash dieback affects both young and mature trees and is a rapidly growing problem. It’s caused by the fungus Hymenoscyphus fraxineus, also known as Chalara fraxinea. Ash dieback is found all over the Netherlands.
Ash dieback – what you need to know - NFUonline
2023年6月7日 · Ash dieback is a disease which can affect ash trees of any age. It's important to be able to spot the signs and know what your legal obligations are around felling to ensure both people and nature remain protected on farm.