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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 .
The emerald ash borer is wiping out black ash trees, critical for Abenaki basket-making. Here's what's being done to keep the tradition alive. Vermont works with Abenaki to salvage dying black ash ...
Image of black ash trunk. Tree is located in a seasonally wet, riparian habitat near a small-scale stream. Tree bark is corky and spongy. Black ash is a medium-sized deciduous tree reaching 15–20 metres (49–66 ft) (exceptionally 26 metres (85 ft)) tall with a trunk up to 60 cm (24 inches) diameter, or exceptionally to 160 cm (63 inches).
European ash in flower Narrow-leafed ash (Fraxinus angustifolia) shoot with leaves. Fraxinus (/ ˈ f r æ k s ɪ n ə s /), commonly called ash, is a genus of plants in the olive and lilac family, Oleaceae, [4] and comprises 45–65 species of usually medium-to-large trees, most of which are deciduous trees, although some subtropical species are evergreen trees.
This species is catching on with parks departments looking to replace dying ash trees. Like ash trees, Kentucky coffee trees ( Gymnocladus dioicus ) are tolerant of pollution and a range of soils.
The authority added that every tree removed would be replaced with a minimum of five new, smaller trees. Ash dieback was first officially recorded in the UK in 2012, the council said.
The red-headed ash borer usually develops in recently dead or dying hardwood trees, so the most common impact on humans is damage to felled trees intended for hardwood lumber or firewood. These insects are commonly brought into homes with firewood and may emerge, but do no physical damage to the home.
The emerald ash borers' larvae burrow into the bark of ash trees, causing canopy dieback and, ultimately, tree death. The half inch beetle is often challenging to detect, especially in newly ...