In article ,
Bob Hobden wrote:

It will on any bit of plant material left behind, at least that's my
understanding, and how can you be certain to get it all.

I believe that to be false. It was commonly believed, but modern
research indicates that it does NOT overwinter in dead material,
but in a variety of weed plants, forgotten potato tubers etc.
And, because it is blown considerable distances by the wind, it
has to be regarded as something that you will never get rid of.


Regards,
Nick Maclaren.