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Re: TC and OS

Jim Hawes wrote:
> >
> > Hosta Friends and Ran,
> >
> > Ran, you reacted to my post as though what I was saying was a
> > philosophical argument rather than scientific statements of fact. In
> > effect, you summarized my post approximately as follows:
> >
> >    Say what you will, two problems still remain...
> >
> >      1.The Perennial Growers Association doesn't agree with
> > your               position on what tc really is and
> >
> >      2.Because of the carelessness in culling, one can be sure most
> > of        the time with OS. ( I have paraphrased for simplicity)
> >
> > Frankly, I do not follow the logic of your comments. I have been talking
> > specifically about technical aspects of TCing Hostas. I have seen no
> > rebuttal from anyone about the technical comments I have made. I am not
> > in an argument with the Perennial Growers Association. They don't even
> > know my thoughts on TCing Hostas, nor would they care about my position,
> > nor would I care about theirs. My post was an attempt to dispell some
> > mis-statements made about the demerits of TC Hosta  plants. If anyone
> > wishes to discuss what I have stated, I would be willing to go into the
> > discussion in further detail. So far, no one has done this. Instead my
> > comments have been dismissed out of hand by you because they do not
> > correspond with views of the Perennial Growers Association.
> >
> > I will make the case again, more clearly and with different wording.
> >
> > Because Hostas are unique in their ability to produce chimeras
> > (variegated sports)  spontaneously, both in the garden and in tissue
> > culture, an understanding of the reasons for the large numbers of
> > chimeras is necessary to prevent any possible excess. These chimeras
> > will occur because of the unique manner in which they readily arise from
> > meristems. This is beyond human control. I admitted in my posts that
> > there is a need to understand the principles involved in the origin of
> > bud sports. I also suspect that there are few TC lab operators who fully
> > understand the principles involved. I am not talking about green
> > perennials in general. I am talking specifically about TCing chimeral
> > Hostas. If variegated hostas in tissue culture develop sports, OF COURSE
> > they must be selected out if uniformity is desired.This was part of my
> > "position" as expressed in my previous posts. I don't think you read my
> > statements carefully.
> >
> > I have attempted to make the case that TC plants are identical to OS
> > plants genotypically and phenotypically IF NO SPORTS OCCUR! I have seen
> > no logical arguments or proof that my statements are incorrect. I
> > continue to say what I have said and I invite anyone to disprove what I
> > have said.
> >
> > Jim Hawes Oakland MD
> > hawesj@gcnet.net

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