[MAIPC] Microstegium versus Perilla, August 30 2020

[Marc Imlay]

Japanese stiltgrass is easy to pull out unlike many of the native competitors. One reason it grows fast is because it puts it’s energy into growing fast rather than maintaining strong roots. So how can we change things so that the native competitors outcompete stiltgrass because they have stronger roots?  

 

Marc Imlay, PhD Conservation biologist, 

Board member of the Mid-Atlantic Exotic Pest Plant Council, ,

Natural Places Committee for the Maryland Chapter of the Sierra Club

 

From: James Remuzzi <james at sustainablesolutionsllc.net> 
Sent: Monday, August 31, 2020 12:01 PM
To: Marc Imlay <ialm at erols.com>
Cc: MAIPC <maipc at lists.maipc.org>
Subject: Re: [MAIPC] Microstegium versus Perilla, August 30 2020

 

We also noticed this in the field Marc.

 

For whatever reason- Perrilla seems to outcompete JSG.

 




James R. Remuzzi

President

c:202-746-1649

o:855-478-7824

f: 202-706-6063

  <https://docs.google.com/a/sustainablesolutionsllc.net/uc?id=0Bynd-1KX8zwzOXhYczVrdHlDLTQ&export=download> 

 <http://sustainablesolutionsllc.net> sustainablesolutionsllc.net

 

 

 

On Mon, Aug 31, 2020 at 8:37 AM Marc Imlay <ialm at erols.com <mailto:ialm at erols.com> > wrote:

Microstegium versus Perilla

 

I came across a huge mono-culture of Japanese stiltgrass about 25% of an acre. In the middle of the patch was a monoculture  patch of Beefsteak mint about 15 feet x 20 feet with almost no stiltgrass. There were two other beefsteak patches about 5 x 10 feet with no Microstegium. Is this just one non-native invasive outcompeting another one? Or is there another possibility that could be explored? For example, reintroduce Mentha arvenis. Any potential biocontrol?

 

Marc Imlay, PhD

 

Conservation biologist, 

Board member of the Mid-Atlantic Exotic Pest Plant Council, 

,

Natural Places Committee

for the Maryland Chapter of the Sierra Club.

 

 

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