Ferric Chloride and trees?

It's a byproduct of the steel manufacturing process where they strip iron oxide with hydrochloric acid and is used in small quantities in water treatment plants. Probably not too toxic to the tree, you trying to kill a tree?.

A cabbage tree has gone feral, and I have some stale ferric chloride.

Not as well as cupric sulphate , it might catch a small coff though

a $10 bottle of glyphosate should fix it

Ferric chloride is used as the primary first stage water filtration process (flocculation) for all of Sydney's water. 25ppm IRRC

Dave.

dissolve some copper in it and it might.

l

It will stain the tree pretty badly ;)

Had a feral umbrella tree attacking the slab of the house from about 5 metres away (neighbours property).

Bought a small bag of copper sulphate crystals from the rural supplies, dug and chopped a root off, and added plenty of the crystals to the end, filled it in and in a few weeks, the problem was gone.

Was considering boring a 20mm dia hole in the tree, filling it with the crystals and plugging it, but it was on a neighbours property.

Asked them to do something about it, but the place is run by a body corporate, and it could take forever for any action to be taken.

It will stain the tree pretty badly ;)

Had a feral umbrella tree attacking the slab of the house from about 5 metres away (neighbours property).

Bought a small bag of copper sulphate crystals from the rural supplies, dug and chopped a root off, and added plenty of the crystals to the end, filled it in and in a few weeks, the problem was gone.

Was considering boring a 20mm dia hole in the tree, filling it with the crystals and plugging it, but it was on a neighbours property.

Asked them to do something about it, but the place is run by a body corporate, and it could take forever for any action to be taken.

** Sneaky, but obviously effective. Some people just don't realise just how invasive and destructive the root systems of some trees can be if planted in the wrong location. One of my neighbours has a similar problem with the root system of his neighbour's Tipuana tree. It has an extensive and invasive root system and is attacking and damaging his sewer line. :-( Large doses of CuS04 down the toilet seems to be keeping it under control, but alas hasn't killed the offending tree (yet).

A plumber I knew leapt the neighbours house while they were out, located their pvc septic pipe and punctured it with a long crowbar so that the neigbour's problem tree grew roots into the pipe and blocked it. A few months later and the offending tree was gone and the pipes relaid.

Well that's one way to generate business, or did he not get the job of re-doing the sewer?

James

He just wanted them to remove a problem tree on the boundary which they'd refused to do.