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Treatment of tree stump with urea solution
Forestry Memories
No: 3284   Contributor: Norman Davidson   Year: 1970
Treatment of tree stump with urea solution

The photograph is courtesy of Inverness, Ross and Skye Forest District and staff at their Fort Augustus office.

The original method of applying urea solution to a freshly cut tree stump to prevent colonisation of the stump with the fungal spores of Fomes annosus (old name – now called Heterobasidion annosus?) which would spread to the roots and infect neighbouring trees or the next planted crop.

Usually agricultural grade urea was mixed with water and a blue dye added as a marker to provide visual evidence of application. Manual fellers carried the bottle with them from tree to tree spraying the stump from the holes in the cap and brushing to provide a full cover.
Picture added on 15 March 2016 at 08:53
This picture is in the following groups
Forestry in Action
Tools, equipment and clothing
add commentComments:
This was a better idea than we had for treating tree stumps on first thinnings at Panmure estate in the 1970s where a small bucket and paint brush was used the only difference celicure was applied instead of urea, "keeping the bucket upright among the brash was nearly impossible."

Added by Leslie Phillip on 19 May 2016.
When I first started with a felling Gang in the late 1950s, I had to follow behind the Chain Saw with a bucket full of Creosote painting the stumps.
Not only was it difficult "keeping the bucket upright", I had to keep right behind the Saw to help push the bigger trees over.

Added by Jimmy Thain on 22 May 2016.
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