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Re: Borers

Ray & Judy Keisling wrote:
> Ian E. & Shirley Efford wrote:
> >
> > Claire asked if the borer is protected from Cygon use after it has
> > hatched and entered the leaf. It appears that they are well protected
> > once they are in the leaf and the rhizome.  I sprayed twice this last
> > year, ten days apart, and still had some borers in some of my plants,
> > other than the Bruce Ricardson collection from Southern Ontrio which was
> > infested.  Once the larvae develop to a significant size, they are
> > difficult to kill, even by hand.  I am sure that a clorox wash will have
> > little or no impact.
> >
> > I became quite ill after using Cygon and would advise anyone using it to
> > be very careful.  I sprayed on windless evenings and moved continuously
> > through the garden in one direction so that I avoided directly entering
> > the mist zone.  I also sprayed low (1 ft) over the plant, not up in the
> > air.  This year, I will use a good protective filter mask and shower
> > right afterwards as I am certain that the poison can penetrate the skin
> > directly.
> >
> > Nematodes would be an ideal alternative and I will be exploring that
> > option before April.
> >
> > Ian, in Ottawa
> To break the surface tension of the fan and get better coverage where
> the fans overlap, use a wetting agent in your mixture.  You can buy a
> commercial wetting agent (I don't have any names for you) or a liquid
> dishwashing detergent such as Palmolive -- use 1 tbsp per gallon. Note
> that this is the type of detergent used to wash dishes by hand, not the
> type you put in the dishwasher.
> When I spray with toxic substances (and they all seem to be nowdays), I
> cover all exposed body part (including gloves on the hands), wear
> goggles, and a filtered breathing mask.
Thanks, Ray&Judy -- I'll try it.

Griff Crump

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