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Killing poplar stumps3/19
I have several Carolina Poplar stumps, 20" diameter that keep growing shoots. Any suggestions as to how to kill them for once and for all? Thanks.
Go to your local nursery or farm supply and buy a herbicide with the active ingredient of "triclopyr". Cut the stump again down to where you find live cambium (area between the bark and wood). Brush on a film of the herbicide on the fresh cut IMMEDIATELY after cutting. Even two hours delay in applying the herbicide may render the method ineffective. Follow the herbicide label directions for cleanup and disposal. That should do it.
Roundup can be used for this purpose, too. Mix full strength roundup (41% active ingredient) 50/50 with water and paint on a fresh cut around the cambium, as in the other post.
The previous posters are correct about the chemicals that will kill the roots of the tree however, now (spring) is not the best time to get a good kill because the vigorous upward movement of sap this time of year can flush out most of the applied chemical. To get a good kill you can either wait until the shoots are fully leafed out and apply glyphosate (2%) to the leaves or wait until late summer (when strong downward movement of sap into the roots is occuring) and follow the directions of the previous posters for applying herbicide to the cut surfaces of the shoots.
hello, would a stump grinder be an option?some say salt peter poured into holes drilled in the stump helps rot it out.i assuumme that a rotten stump won't sprout for long.maybe you can get a chain around it and hook the old bush truck on and give'er !have a good one!johnny
1/2 diesel & 1/2 used motor oil apply with brush dont take much
I've heard of an aspen stand being killed off by girdling the trees, poplar seems to be similar.
U of Illinois info on white poplar.