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in Problem solving
I have a 10 year old maple that last year lost all its leaves by mid June on closer inspection I noticed ants carrying aphids up the trunk. my question is how do I stop them? I have put a tar-band round the trunk but they still seem to be able to get up to the branches! Can I paint the trunk to stop them (like in Turkey)
I'm not sure what kind of paint you have in mind, but the simple solution is a wide, thick band of vaseline - the ants get stuck in it and get no further.
I've used the vaseline band in previous years and it's worked a treat but ants are clever little blighters and if there's any touching plants near by they'll take this route up your maple.