North American Fruit Explorers mailing list at ibiblio

[Matt Demmon <mdemmon@gmail.com>]

Most people consider glyphosate (active ingredient in Roundup) to be
one of the 'least toxic' of herbicides. It's supposedly not very
persistent, and not very harmful to humans. In my work, I've used both
glyphosate and triclopyr for cut stump application on woody plants.
With glyphosate, paint or spray on the freshly cut stump a solution of
between 20 and 50 percent active ingredient. Fall and winter is best
time, as juices are flowing towards the roots at that time of year.
When sap is rising, won't work at all.

-matt

On Tue, Sep 28, 2010 at 4:58 PM, Spidra Webster <spidra@gmail.com> wrote:
> Hi,
> My parents have a fig tree whose roots spread everywhere and into their
> sewage outflow system. So my dad cut the fig down. But, as you can guess,
> it's still alive. It's sending up shoots and still interfering with the
> sewage system. Is there any kind of herbicide that can be applied which will
> safely kill the root system without poisoning the environment?  I've never
> had to kill anything quite like this before so I haven't been paying
> attention to see what the lesser evil in herbicides is.
> Megan Lynch
> http://www.meganlynch.net
> South Pasadena, CA USDA Zone 9
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