[MAIPC] Japanese Stilt grass

[Marc Imlay]

                                               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.

 

 



 

 

 

From: MAIPC <maipc-bounces at lists.maipc.org
<mailto: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 <mailto:INVASIVES at LISTSERV.UMD.EDU> ; 'MAIPC
Listserve' <maipc at lists.maipc.org <mailto: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 <mailto:ialm at erols.com> > 
Sent: Tuesday, March 23, 2021 7:16 AM
To: 'Kit Britton' <kitbritton at gmail.com <mailto: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).

 

From: Kit Britton <kitbritton at gmail.com <mailto:kitbritton at gmail.com> > 
Sent: Tuesday, March 23, 2021 6:57 AM
To: Marc Imlay <ialm at erols.com <mailto: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.

 

 I think if I look for the first spring/early summer growth of both plants,
there would be the clue.  Is that right?

 

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.  

 

One thing is perilla is usually still carrying and presumably dropping seed
well after the stiltgrass seems finished.

 

I will watch patches of perilla on TRI this spring/summer.  

 

Kit

 

On Mon, Mar 22, 2021 at 8:53 AM Marc Imlay <ialm at erols.com
<mailto: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 <mailto:kitbritton at gmail.com> > 
Sent: Sunday, March 14, 2021 9:20 PM
To: ialm at erols.com <mailto: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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