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Re: bleach treatment for cuttings

Diana L. Politika wrote:
> 
> Diana L. Politika wrote:
> >
> > Loren Russell wrote:
> > >
> > > On Mon, 3 Nov 1997, Diana L. Politika wrote:
> > > > If you had done this, you'd also have had NO cuttings to speak of.  Be
> > > > very careful with bleach and cuttings.  Even trays that have been soaked
> > > > in a 10% solution to sterilize MUST be rinsed well.  I had suspected
> > > > this thru past experience, but have also seen it discussed in recent
> > > > trade publications.
> > >
> > > Brief immersion in 1:30 bleach solution is safe for cuttings, at
> > > least for a number of
> > > rock garden subjects.  I suppose that my subjects typically have fairly
> > > thick skins, though.  I used this a couple of times without
> > > obviously better or worse results than "control".  But if you're careful
> > > with other sources of contamination, this treatment should help control
> > > fungal problems in cutting propagation.  [Certainly, using clean
> > > containers, tools, soil is good practice.]
> > >
> > > Loren Russell, Corvallis, Oregon
> >
> > As seen from a prior posting, this must be a fairly common practice.  I
> > used 1:10 solution and did serious damage to numerous cuttings.  Lost a
> > very high proportion of them.  I'm actually convinced that mold being as
> > readily found in the environment as it is, the effort is moot.  It is as
> > easily found on your fingers, in the soil you're using, on the solution
> > container, even IN the solution, that a light mist as previously stated
> > is as good a prevention as any.  Actually, it should be a better
> > preventative since it most likely is not phytotoxic, as bleach certainly
> > is.
> > But, unless we were to set up controls and test this, it seems that this
> > is one of those subjects that is best left to ones own experience.
> >
> > The Greenhouse Nursery
> > 81 S. Bagley Creek Road & Hwy 101
> > Port Angeles, WA  98362
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