DC/18/109671 placed a Tree Preservation Order on the group of 5 trees on the green:
That order requires that:
Here’s a picture of the Crab Apple at the corner most extent of the green:
Note the brown and dessicated leaves on the suckers - clearly it has been sprayed too.
Personally I would suggest that is wilful damage to the tree, against the terms of the TPO and the Council should take an interest.
The notion that the land owner is unable to maintain the land and is spraying it to defend against knotweed is both disingenuous and frankly ridiculous. Hiring someone with a lawn mower would be sufficient to maintain the land - heck, I reckon there might even be some locals that would be willing to mow it for free. As pointed out on Twitter, the council could also issue a Section 215 notice to require proper maintenance of the land.
If however the council is uninterested in protecting the trees, they should cancel the TPOs and start a dialog about a suitable approach to planning - call it a small site and do something useful with it.
I think the current path of acrimony is good for no-one and will likely take the (limited) lifetime of the trees to resolve to the same outcome in any case, just after much friction.