Chuck,
Thanks for this information. I had to google "Dendrograms" and cram
abit on them. That is pretty fascinating.
Darlene Moore
On 12/19/2012 9:07 PM, Chuck Chapman wrote:
>
> A neat question, but not a simple answer. Basically, the age is
> established by hybridizing records and by historical records. but it
> is tricky t o prove current clone is same one described. For example
> "Dalmatica" Briefly, there seems to be several clones, but none may be
> the original.
>
> A process of creating Dendrograms can establish the age and
> relationship of species, and probably could be used to establish
> relative age of a clone. This is done by comparing parts of DNA to see
> what variation is present and finding age of divergence from main
> branch. As changes occur slowly. This is not accurate on short time
> periods. Usually on time scale of thousands of years. And requires
> detailed work on a good number of selected plants.
>
> This is being done on many plant genus to establish genetic
> connections. Being used on plants and animals to show evolutionary
> links. And has resulted in many changes in plant and animal
> evolutionary trees.
>
> Chuck Chapman
>
> -----Original Message-----
> From: Darlene Moore <d*@carolinarubber.com
> <mailto:dmoore%40carolinarubber.com>>
> To: iris-species <i*@yahoogroups.com
> <mailto:iris-species%40yahoogroups.com>>
> Sent: Wed, Dec 19, 2012 3:14 pm
> Subject: [iris-species] Age of plants
>
>
> How do we know the age of a certain iris plant?
> Also, it has been said that certain clones have been around centuries.
> Do we know that just by description in literature?
> Is there any scientific method to date a species? Outside of the
> fossil
> record, if any.
>
> Darlene Moore
>
>
--
Darlene Moore
Carolina Rubber & Specialties, Inc.
Phone: 336-744-5111 Fax: 336-744-5101
Email: d*@carolinarubber.com
