On Mon, 17 Aug 2009 20:15:58 +1000, F Murtz wrote:

I had a yucca type thing. I have tried many times to poison it, I cut it
down and tried roundup etc but it always regrew.A while ago tome
professional type persons cut it down and it does not look like
regrowing. What secret poison would they have used?

Neat Roundup applied to the cut trunk immediately after cutting is very effective.