[MAIPC] Japanese Stilt grass

Fri Oct 1 06:26:40 PDT 2021

My understanding is that deer don't eat grass. They are browsers, not
grazers. So I don't think this could work. What is definite is that the
deer help to spread stiltgrass and wavyleaf.

Cheers, Steve Young

On Fri, Oct 1, 2021, 8:32 AM Marc Imlay <ialm at erols.com> wrote:

>                                                That is a great thought.
> And when a deer has learned to like the stiltgrass it may remove it
> elsewhere. Marc
>
>
>
> *From:* William Buettner Jr <WBuettner at mdot.maryland.gov>
> *Sent:* Friday, October 01, 2021 8:06 AM
> *To:* Marc Imlay <ialm at erols.com>; INVASIVES at LISTSERV.UMD.EDU; 'MAIPC
> Listserve' <maipc at lists.maipc.org>
> *Subject:* RE: [MAIPC] Japanese Stilt grass
>
>
>
> Has anyone tried to spray stilt grass with an “attractant” that may induce
> deer browsing?  I’m not sure what deer like in the sense of taste but a
> spray of “sugar” may get them to at least browse the plant which from my
> observations they appear to shy away from? Just a thought.
>
>
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> *From:* MAIPC <maipc-bounces at lists.maipc.org> *On Behalf Of *Marc Imlay
> *Sent:* Thursday, September 30, 2021 4:12 PM
> *To:* INVASIVES at LISTSERV.UMD.EDU; 'MAIPC Listserve' <maipc at lists.maipc.org
> >
> *Subject:* [MAIPC] Japanese Stilt grass
>
>
>
> Today at Ruth B. Swann Park in Charles County Maryland, I came across
> about a quarter acre that had only dead stilt grass from last year. The
> dead stilt grass was very thick but there was no live stilt grass or any
> other green vegetation including beefsteak plant, Perilla frutescens.
> There was a lot of Perilla about 300 feet away.
>
>
>
> Marc Imlay
>
>
>
> *From:* Marc Imlay <ialm at erols.com>
> *Sent:* Tuesday, March 23, 2021 7:16 AM
> *To:* 'Kit Britton' <kitbritton at gmail.com>
> *Subject:* RE: Private: Re: Successional Change at Fraser Preserve with
> Margaret Chatham - Thu, 03/11/2021 7:30pm-9:00pm
>
>
>
> If it kills the seedbank and you remove Perilla, the stilt grass would not
> come up at that location the next year (unless it came in from elsewhere).
>
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> *From:* Kit Britton <kitbritton at gmail.com>
> *Sent:* Tuesday, March 23, 2021 6:57 AM
> *To:* Marc Imlay <ialm at erols.com>
> *Subject:* Re: Private: Re: Successional Change at Fraser Preserve with
> Margaret Chatham - Thu, 03/11/2021 7:30pm-9:00pm
>
>
>
> I don't know.  I'm trying to think how to figure that out.
>
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>  I think if I look for the first spring/early summer growth of both
> plants, there would be the clue.  Is that right?
>
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> Killing the seedbank would mean perilla comes up mostly alone except for
> stiltgrass seed that blows in late the prior year.So maybe that would be a
> smaller "crop". So the result is the stiltgrass that year is sparse.
>
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> One thing is perilla is usually still carrying and presumably dropping
> seed well after the stiltgrass seems finished.
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> I will watch patches of perilla on TRI this spring/summer.
>
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>
> Kit
>
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> On Mon, Mar 22, 2021 at 8:53 AM Marc Imlay <ialm at erols.com> wrote:
>
> Does the Perilla kill the seed bank or just the emerging stiltgrass? Marc
>
>
>
> *From:* Kit Britton <kitbritton at gmail.com>
> *Sent:* Sunday, March 14, 2021 9:20 PM
> *To:* ialm at erols.com
> *Subject:* Private: Re: Successional Change at Fraser Preserve with
> Margaret Chatham - Thu, 03/11/2021 7:30pm-9:00pm
>
>
>
> From observation in woodlands environments at Theodore Roosevelt Island
> and in Donaldson Run Park it appears that Perilla may have a toxic effect
> on Japanese Stiltgrass which will not grow under the Perilla plants or is
> very sparse.  Also on a larger scale at Gambrill State Park in Maryland
> this was obnserved last summer.
>
>
>
> Kit Britton
>
> ARMN Master Naturalist
>
>
>
>
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