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Old 28-07-2007, 07:18 PM posted to uk.rec.gardening
CWatters CWatters is offline
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First recorded activity by GardenBanter: Apr 2007
Posts: 146
Default Cure for Knotweed?


"K" wrote in message
...
writes
Since glyphosate is taken up by the plant and interferes with the
metabolic process, and needs to travel throughout the plant to be fully
effective, the logic and experience of others here is that applying in
more concentrated form lessens its effectiveness

--
Kay


Ah thanks for that. I did wonder if making it too strong was just a waste.
It's not cheap.