Pine Trees
Q.

I have cut a tree that had pine beetles

Zone Sandpoint Idaho | Dave Wall added on October 3, 2015 | Answered

If I use roundup and salt to kill tree roots on the cut tree, will that affect the roots on adjacent trees which are Austrian Pines?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on October 5, 2015

Care needs to be taken not to spill or slash any chemicals onto the grass or other trees.
If you carefully paint the cut root ends then only those roots will take up the chemical.

https://www.gardeningknowhow.com/ornamental/trees/tgen/how-to-kill-a-tree-killing-trees-in-your-garden.htm

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