Re: Weed control?


At 04:46 PM 11/30/1999 -0800, you wrote:
>My spouse bought a propane torch that he uses to remove weeds from gravel
>paths and to kill the fall-germinating annuals (Erodium, Bromus etc.) that
>infest our oak woodland.  It's also effective used in edging the lawn.  It's
>not a surgical tool, though--sometimes I'm afraid to go out and look after
>he's been torching to see what collateral damage has occurred.
>It's worked well as an alternative to Roundup and can be used in wet cool
>weather.
>Sounds like a jet taking off in the back yard, so probably not real good for
>an urban setting.

Has he tried this on goathead/puncture vine/Mexican sandbur/ Tribulus
terrestris? The seeds appear woody, as if they'd burn, but OTOH, the heat
and flame may prepare them for germination. Does anyone know?  TIA,
Margaret L

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