Bud break of ash and maple trees in a forest near Birmensdorf/Switzerland (2012-2018)
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Comparison of bud break of ash trees in a forest near Birmensdorf/ZH, Switzerland in the last five years (2012-2016) over the course of spring months. Chalara dieback of ash [Chalara fraxinea] (in German: Eschentriebsterben) destroys roughly 30% of the buds and this leads to a reduced leaf development in ashes.
创建时间：
2018-10-20
