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Image for: Trees in intensive care: How a spreading virus is attacking ashes


Trees affected by ash dieback initially show wilted and discolored leaves and shoots, then the crowns become bare. Even if the weakened trees are not attacked by further pests, they perish within a few years.
Trees affected by ash dieback initially show wilted and discolored leaves and shoots, then the crowns become bare. Even if the weakened trees are not attacked by further pests, they perish within a few years.

Tönnes

Tönnes/upd

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