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Re: garlic mustard was: Amer. Gardener article/WildGreens

But that digging is easier on your back than digging up all that garlic mustard I'd bet.

---------- Original Message ----------------------------------
From: "Marge Talt" <mtalt@hort.net>
Reply-To: gardenchat@hort.net
Date:  Tue, 27 Jan 2004 19:16:02 -0500

>> From: cathy carpenter <cathyc@rnet.com>
>> My reference is from the University of Illinois:
>> www.inhs.uiuc.edu/edu/VMG/gmustard.html
>> hope it helps.
>Thanks, Cathy....that led me to a bit more research which,
>interestingly, found several web sites that obviously had taken their
>material from the same source, if not just copied and pasted it:-)  I
>did, however, find a bit more information about the seed germination
>on the USDA Forest Service FEIS site (very thorough description of
>this pest and its habits):
>that made this statement:
>"Germination: Seeds of garlic mustard require cold stratification
>before they can germinate, with 1 season's overwintering usually
>sufficient to break dormancy at most North American locations"
>referencing this sentence to:
> "Baskin, Jerry M.; Baskin, Carol C. 1992. Seed germination biology
>of the weedy biennial Alliaria petiolata. Natural Areas Journal.
>12(4): 191-197. [20076]"
>A bit of a search on Baskin finds that he's a  Professor of
>Biological Sciences at the University of Kentucky who serves on the
>editorial board of Seed Science Research and has published a book on
>Seeds in addition to numerous papers on the subject of seed
>germination, so it seems he is a valid authority.
>Also stated is that germination can take longer in cold areas, which
>may be where the 20 months came from because one other online
>reference said 8 to 20 months.  Now, 8 months is about how long there
>is between seed ripening and germination with my lot - like August to
>April - so I'm going to stick with my observations on this one:-)
>Another interesting thing on the FEIS site, to me at least, was their
>section on the soil seedbank.  It seems that it may not be quite as
>long as I thought, although it can be, but they state that " roughly
>88% of seeds that germinated did so during the 1st spring following
>production..." with reference to the same Baskin article above and
>further percentages for succeeding years in the soil.
>Lordy but I can waste some time digging on the net! 
>Thanks, Cathy!
>Marge Talt, zone 7 Maryland
>Editor:  Gardening in Shade
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Pam Evans
Kemp TX/zone 8A


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