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Thanks so much for all this advice! I truly appreciate it!! The client is about to sell and the surveyor wants the tree to be pruned before the handover.

This is a photo of the tree.

At this time of year, how hard can one pollard a Poplar tree?
 
It's s a large tree and it has been pollarded many times before, but it hasn't been touched in at least 5 years.
 
How much of the foliage do I have to keep in order not to kill it?
 
Many thanks in advance!

At this time of year, how hard can one pollard a Poplar tree?

It's s a large tree and it has been pollarded many times before, but it hasn't been touched in at least 5 years.

How much of the foliage do I have to keep in order not to kill it?

Many thanks in advance!

Thanks again to all of you for the help, ...it's very appreciated!!

PS: How old is too old for petrol?

Thanks again!

The fuel is fresh, ...less than a week old.

Unfortunately the chainsaw is not under warranty anymore. I bought it as a backup saw and only used it 5 or 6 times during the last 4 years. 

Initially it was running well, ...until I was going through the base of the trunk. Maybe it just got too hot?

Thanks a lot, that really helps!  Also thought that I probably should try a new air filter in case it doesn't get enough air? 

What could be the problem with this relatively new chainsaw? What should be the first thing that I should try? Or should I just bring it to my local dealer instead?

Many thanks in advance for any advice!!

Thanks!!

Yes, West Sussex is much too far. The tree is in Streatham and after I'm done I will pass through Brixton, Central London up to Northwest London. A 20 min detour is ok, but not more than that. Thanks for asking though.

Thanks again and all the very Best!!

PS: Is there anything I have to look out for when climbing it? Is it unusually brittle (like Willows) or does it behave like most Maples? Just want to make sure as I don't know this tree.

Thanks a lot, this really helps!!

What kind of tree is this? These photos were taken in April in London.

Many thanks in advance!

PS: if anybody wants these logs for free then just let me know. I can even deliver if it's not too far out of the way.

Thanks a million for your help and sorry for the late reply!

Many thanks in Advance!

Thanks again for all your suggestions and thoughts. I really do appreciate it!

Still not sure whether to reduce crown now or later in the autumn, ...but will make the decision over the weekend.

Thanks a lot for all three replies and maybe I can get a couple more opinions on how to hopefully save the tree.

One option I'm considering is to remove the crown entirely and to just leave the healthier lateral limbs. Would this put too much strain on the tree and completely kill it off? I personally wouldn't mind the 'quirky' appearance as it would work well in this particular garden.

And two more!

A few more photos

Thanks for your reply and here are some pictures.

One thing I forgot to mention is that when the tree was young (probably about 30 years ago or so) the trunk split right down the middle and a metal rod has been put in to keep it together. The white fungus that can be seen at the base of the tree (photos 4 and 5) starts right below where the trunk had split.

Thanks in advance for any advice or thoughts!

This thread is about a Mulberry Tree which I've been pruning for a few years now, but this year it barely produces any leaves. The lower branches have fairly healthy, medium sized leaves (normally though they should be much bigger this time of year), but all upper branches show little signs of leaves (just very tiny leaves trying to sprout along most branches).

Here are a few possible explanations that I came up with, ...but not sure which of these is the most likely or what could be done to save the tree:

- The tree has been pruned harder than usual

- The tree is covered in wounds from many years of hard pruning (to keep tree relatively small)

- Fungus present in a lot of wounds and at the base of the tree

- Extremely dry April in London (virtually no rain)

- Or a combination of the above

Many thanks in advance for any suggestions or advice!!