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Re: HYB: tetraploids, Diploids, Triploids etc

  • To: Multiple recipients of list <iris-l@rt66.com>
  • Subject: Re: HYB: tetraploids, Diploids, Triploids etc
  • From: dkramb@tso.cin.ix.net (Dennis Kramb)
  • Date: Sun, 3 May 1998 10:29:50 -0600 (MDT)

>Enjoyed your essay on the above.  Can not critique it because I am no expert

Not everything I said may be correct, so take it with a grain of salt.

>Regarding colchicine, this is an alkaloid substance obtained from the autumn
>crocus, colchicum autumnale, which induces chromosome doubling in plants.  In
>Currier McEwen's book, THE SIBERIAN IRIS, the process of how this takes place
>is described (page 171).  This method is commonly used in the hybridization of
>Siberian iris.  Currently, I would say most Siberians on the market are
>diploid.  JEWELLED CROWN (Hollingworth) is a beautiful example of a colchicine
>induced tetraploid.
>Linda Doffek         SE Wisconsin  Zone 5
>JEM 300@aol.com

That's good to know!  Thank you!  It's amazing how much information is
available through the list group.  So many people know so much different
stuff!  It's such an invaluable resource to have access to.

Take care,

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