Pine Trees
Q.

Pest or Disease on Scots & Black Pine

Zone Jersey. C.i. UK | 4seasonsgardening added on October 18, 2018 | Answered

I have noticed a fair bit of pine drop more noticeable on the Scots Pine. Both species are leaking white resin mainly at the tips. I cant find any Adelgids or Conifer aphids (maybe they have been and gone?) so am not sure as to why this is happening. The trees are irrigated and not under any particular stress.

A.
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BushDoctor
Certified GKH Gardening Expert
Answered on October 21, 2018

This would be Diplodia Tip Blight. This is common in these, among other coniferous trees. Have you noticed any actively bleeding cankers elsewhere on the trees?

This article will help: https://www.gardeningknowhow.com/ornamental/trees/pine/diplodia-pine-tip-blight.htm

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