[MAIPC] Garlic Mustard scarce this season, in 2018?

Fri Jun 15 03:52:35 PDT 2018

Marc

I have found treating rosettes in February and March can be very effective.
It will greatly reduce the number of adults to pull in the spring. You'll
even kill a few second year plants although they are quite small at that
time.

Mark

On Fri, Jun 15, 2018 at 6:24 AM Imlay, Marc <Marc.Imlay at pgparks.com> wrote:

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> *Today with volunteers we have finished bagging all the adult garlic
> mustard over the usual 500 acres of urban and suburban parks in Maryland
> that I lead the charge on. A few were removed too late. There were many,
> many, more adults than last year. One reason was that in many cases there
> were no juveniles around because the seed bank performed go for broke.
> Another reason was that in a few areas, I had not sprayed mono-cultural
> patches of juveniles in time in 2017. I will do that sooner this year.*
>
> *Marc Imlay, PhD, Chair, MAIPC Biological control working Group  *
>
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>
> *Conservation biologist, Park Ranger Office, Non-native Invasive Plant
> Control coordinator. (301) 442-5657 cell  ialm at erols.com <ialm at erols.com>
> Natural and Historical Resources Division The  Maryland-National
> Capital   Park  and Planning Commission www.pgparks.com
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> *From: MAIPC [mailto:maipc-bounces at lists.maipc.org
> <maipc-bounces at lists.maipc.org>] On Behalf Of Mark Frey Sent: Monday, May
> 07, 2018 7:57 PM To: Foster, Donna M -FS <donnamfoster at fs.fed.us
> <donnamfoster at fs.fed.us>> Cc: maipc at lists.maipc.org <maipc at lists.maipc.org>
> Subject: Re: [MAIPC] [Maipc-brd] Garlic Mustard scarce this season, in
> 2018?*
>
>
>
> *Thanks for sharing!*
>
>
>
> *I would note that the areas described in this paper are glaciated
> portions of the continent and are therefore devoid of native earthworms. In
> our area we have a mix of native and non-native earthworms so the picture
> may be more complicated. I still plan to pull in in priority areas.*
>
>
>
> *Mark*
>
>
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> *On Mon, May 7, 2018 at 10:59 AM, Foster, Donna M -FS
> <donnamfoster at fs.fed.us <donnamfoster at fs.fed.us>> wrote:*
>
> *In regards to Garlic Mustard, attached is a garlic mustard update by
> Bernd Blossey, Cornell University. *
>
>
>
> *I’m not sure I agree with his management recommendation not to remove it
> (I believe if you have volunteers and can pull it, PULL IT!).*
>
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> *The correlation between invasive earthworms is quite interesting. Here in
> our FS Office we have forest health staff exploring the relationship of
> exotic earthworms to many different impacts on forest health and
> regeneration and findings seem to substantiate this also.*
>
>
>
> *At my home here in Morgantown, WV, the populations is as strong as ever.
> Also, I spent 2 weeks in NE PA the last two weeks in April and saw the
> population expanding again this year. Interestingly, both woodlands have
> very large deer populations… *
>
>
>
> *I hope this helps.*
>
> *Donna*
>
>
>
> *[image: Forest Service Shield]*
>
>
> *Donna Marie Foster Landscape Architect, MLA ASLA, TRAQ*
>
> *ISA Certified Arborist PD-1409A, WV Pest Cat 7-OO2275*
>
> *Forest Service *
>
> *Northeastern Area State and Private Forestry*
>
>
>
> *p: 304-285-1547 c: 304-276-8989 **donnamfoster at fs.fed.us
> <donnamfoster at fs.fed.us>*
>
>
>
> *180 Canfield Street Morgantown, WV 26505 *
> *www.fs.fed.us
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> *Caring for the land and serving people*
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> *From: Maipc-brd [mailto:maipc-brd-bounces at lists.maipc.org
> <maipc-brd-bounces at lists.maipc.org>] On Behalf Of Jenn Truong Sent: Friday,
> May 4, 2018 5:40 PM To: c.schreter at comcast.net <c.schreter at comcast.net> Cc:
> MAIPC Board <maipc-brd at lists.maipc.org <maipc-brd at lists.maipc.org>>
> Subject: Re: [Maipc-brd] Fwd: Garlic Mustard scarce this season, in 2018?*
>
>
>
> *Hi Carol,*
>
> *One of our board members noted that he has not seen much of a difference
> and he's out in the field quite a bit around DC and MD. *
>
> *On the other hand, I don't get out in the field much at all any more
> (sadly). But what little I have seen from hiking around on weekends on my
> own does seem (anecdotally) to be less. But I'm not sure I can venture as
> far as to say I think it may be the frigid winter we've had. We've had
> worse winters when it didn't seem to have much of any effect on the Garlic
> Mustard. In my case, I'd like to think the areas I've visited are getting
> lots of great staff and volunteer control efforts that are staring to bear
> some success, since I tend to visit a lot of the same areas year after year
> and see diminished return with each year. =)*
>
>
>
>
>
> *Jenn Truong Technology Officer *
>
> *MAIPC Board of Directors*
>
> *Mid-Atlantic Invasive Plant Council*
>
> *info at maip.org <info at maip.org> | www.maipc.org
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> *---------- Forwarded message ---------- From: Carol Schreter
> <c.schreter at comcast.net <c.schreter at comcast.net>> Date: Thu, May 3, 2018 at
> 12:52 PM Subject: Garlic Mustard scarce this season, in 2018? To:
> info at maipc.org <info at maipc.org>*
>
> *To MAIPC,, Have you noticed that Garlic Mustard seems scarce this season?
> Everywhere?*
>
>
>
> *Consider the possibility that Garlic Mustard is scarce in 2018, all over.
> In areas previously cleared or not. I’m thinking the frigid winter
> destroyed most of the 1styear or overwintering Garlic Mustard leaves,
> except on plants located in very protected spots. Here in Baltimore City on
> May 3, 2018, some few scattered 2ndyear plants are in flower. I am pulling
> the occasional plant that stands <15” tall. Oddly, I also see some nearby
> patches looking like 1styear rosettes, like a ground cover. Too soon for
> that. Maybe they are the 2ndyear plants/roots, sending new stalks up from
> scratch.*
>
>
>
> *I invite your reaction to this novel observation -- and interpretation.
> Thank you for any wisdom. *
>
>
>
> *Carol Schreter, Baltimore Bird Club Conservation Chair*
>
>
>
> *1905 Dixon Rd. Baltimore, MD 21209
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