Description Tree damage

Description Bark bulbs

Description Bark bleeding

Description Bark burst

Description Bark degeneration

Description Grow deviations

Description Bark striations

Description Resin- Pockets

Resin- pockets

Resin- pockets can only be found on conifers. This is not a new phenomenon. But it is striking that conifers in the urban surroundings more often show resin-pockets. There is need to investigate if this is related with certain circumstances in these surroundings.

Changes in the surroundings of trees can cause stress. It is known that stress causes a increased development of resin- pockets at conifers. This situation makes trees vulnerable for other diseases.

Investigation about the cause and effects of resin-pockets at conifers can help us to make the risks manageable.

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