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Old 18-03-2009, 08:03 PM posted to uk.rec.gardening
Jeff Layman[_2_] Jeff Layman[_2_] is offline
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First recorded activity by GardenBanter: Sep 2008
Posts: 2,166
Default 101 Weevil Grubs and the Rhubard

Donna UK wrote:
Hi All

I have just been out to move my rhubard plant into the sun and decided to
take the top layer of dirt off to renew with some fresh. When I started
to dig I noticed weevil grubs so started to pick them off. I got out as
many as I can but that is without further down the pot and near to the
crown. In the end I counted 101 of the things. The rhubard is growing
so need I apply anything to kill them, or should I take further action
against the critters?
Any help appreciated

Donna


Are you moving your rhubarb into the sun because you've already cropped what
you need to, and won't be taking any new stems to eat this year? If so,
then you can treat it with one of the "cloprid" agents (such as
Imidocloprid - "Provado", or one of the newer ones). These are active
against weevils. I would advise against using any chemicals if you intend
eating the rhubarb in the near future.

Mind you, with the infestation you have, it might be cheaper to wash off all
the soil (into a bucket containing something nasty which will put paid to
the weevils) and start again with clean, weevil-free soil.

--
Jeff