help: Japanese Knot Weed?
D.J.Hodkinson at shef.ac.uk
Thu Feb 1 08:38:41 EST 1996
>> I should appreciate it if someone could tell me what Japanese knot
>> is and how to control it. I was recently asked how to eliminate a
>> patch that's growing just outside the person's house and I've never
>> heard of it. Can anyone tell me something about it? Thank you.
The plant known in the UK as Japanese knotweed is:-
Fallopia japonica (synonyms Reynoutria japonica, Polygonum cuspidatum)
It forms quite dense thickets, up to 2m high and is certainly a problem
It spreads by regrowth from vegetative fragments, rather than seed. It is
difficult to get rid of, but I believe this can be achieved using lots of
Unit of Comparative Plant Ecology
University of Sheffield
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