[MAIPC] Japanese Stilt grass

Fri Oct 1 11:50:32 PDT 2021

I believe the deer is a ruminant. Based only on the knowledge of our
domestic ruminants, I would think that deer would have the ability to eat
and likely digest stiltgrass (or they microbes would). But, we may see
issues related to toxins, mineral imbalances and rapid shifts in diet. So
how about a slow change over using a Hosta lead concentrate?

Wasn’t University of MD trying to train goats to eat stiltgrass (and not
other plants). Did they do OK? And, does the rumen destroy seeds?

Thanks
Heidi

On October 1, 2021 at 9:26:40 AM, frazmo (frazmo at gmail.com) wrote:

> 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.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *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).
>>
>>
>>
>> *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.
>>
>>
>>
>>  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> 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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