In message , Martin Brown
writes
sid wrote:

Is there a way to kill a large sideshoot coming from
a sycamore tree at near-ground level without chopping it down?
snip
Copper nails are alleged to work by the trace copper inhibiting an
enzyme that prevents natural fungi attacking live wood. I have never
seen it work in practice but it might be worth a try.

The experiment on the row of leylandii is continuing here but it's too
soon to tell if they've been effective. No new growth is noticeable yet
tho'.

--
dave @ stejonda

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