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Sally Rooney <[log in to unmask]>
Sat, 9 Jun 2001 15:17:16 -0400
text/plain (78 lines)
Susan--I am sure the MDIF&W cares about all aquatics that are weedy. Don
Cameron is probably the one to ask what EXACTLY is being done. Keep up the
good work! Hopefully Josses will spot these things before they become
entrenched!

Sal
----- Original Message -----
From: Susan Hayward <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, June 08, 2001 10:47 AM
Subject: flowering rush


> Greetings,
> For all of you who helped me ID this plant and care about the status in
> Maine, here is an update from Faye Thompson in Canada.
> What level of monitoring is required at this point?
> susan
>
> Hello Susan,
>
> Thanks so much for your offer to return to the site for us!! We have
> processed the samples you sent and the results are super interesting!!
> The RAPD molecular markers tell us that the individuals you sent are
> triploid
> individuals - that is the plants are sexually sterile but
> produce more rhizome offshoots than do diploid individuals.  In my
> greenhouse work I have found that triploid individuals do not produce
> rhizome bulbils and flower infrequently. Since diploid - tripl     oid
> populations have not previously been found we can assume that all the
> individuals in your population are triploid.
>
> With regards to the distribution of Butomus across North America - we
> have
> found that the frequency of diploid populations is greater in the center
>
> of the range (Ontario, New York State, Quebec) While at the
> western margins of the range triploid populations are more frequent
> (Manitoba, Minnesota).  Similarly, at the eastern margins of the range
> (Nova Scotia, Maine, New Brunswick) all the populations we have analyzed
>
> have been triploid!!!!
>
> I talked to my supervisor Chris Eckert and he said you have done
> more than enough for us!!
> Thanks for all your help!!  If you find any new populations or hear of
> any
> in other states please let us know  - I am hoping to leave these
> hallowed
> halls in August/September (with an M.Sc.in hand!!!) so my supervisors
> e-mail is [log in to unmask]  I / we will be sure to send you
> the
> distribution paper whenever it materializes!!!!!!
>
>
> Thanks again,
>
> Faye
>
> P.S. if ever in kingston, please come visit to see the ongoing projects
> at
> our lab. I will likely remain in Kingston instead of returning to
> Newfoundland but can  likely be reached through my boyfriends store -
> Black Dog Pottery which is on Queen Street!!!!
>
>
>
>
>
> --
> Susan Hayward
> 107 Nichols St.
> Lewiston, ME 04240
> (207)782-5238
> [log in to unmask]
> Thorncrag Bird Sanctuary
>