<div dir="auto">Remember allelopathy! A quick web search seems to show there is some literature indicating that Perilla has allelopathic properties. That could help to explain the how/why on the observations of Perilla patches appearing to outcompete Microstegium.<div dir="auto"><br></div><div dir="auto">My quick peek also reminded me about the very alarming toxicity of Perilla. For example, it is a serious poisoning hazard to livestock. I guess that may help to explain deer avoiding it.</div><div dir="auto"><br></div><div dir="auto">Cheers, Steve Young, Arlington VA volunteer </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 11, 2020, 3:34 PM Marc Imlay <<a href="mailto:ialm@erols.com">ialm@erols.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div class="m_4545051519015308001WordSection1"><p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Arial",sans-serif">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? <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Arial",sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><b><span style="font-size:14.0pt">Marc Imlay, PhD Conservation biologist, </span></b><u></u><u></u></p><p class="MsoNormal"><b><span style="font-size:14.0pt">Board member of the Mid-Atlantic Exotic Pest Plant Council, ,</span></b><u></u><u></u></p><p class="MsoNormal"><b><span style="font-size:14.0pt">Natural Places Committee for the Maryland Chapter of the Sierra Club</span></b><span style="font-size:14.0pt;font-family:"Arial",sans-serif"><u></u><u></u></span></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><b>From:</b> James Remuzzi <<a href="mailto:james@sustainablesolutionsllc.net" target="_blank" rel="noreferrer">james@sustainablesolutionsllc.net</a>> <br><b>Sent:</b> Monday, August 31, 2020 12:01 PM<br><b>To:</b> Marc Imlay <<a href="mailto:ialm@erols.com" target="_blank" rel="noreferrer">ialm@erols.com</a>><br><b>Cc:</b> MAIPC <<a href="mailto:maipc@lists.maipc.org" target="_blank" rel="noreferrer">maipc@lists.maipc.org</a>><br><b>Subject:</b> Re: [MAIPC] Microstegium versus Perilla, August 30 2020<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">We also noticed this in the field Marc.<u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">For whatever reason- Perrilla seems to outcompete JSG.<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal"><br clear="all"><u></u><u></u></p><div><div><div><div><div><p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Georgia",serif;color:#274e13">James R. Remuzzi</span></b><u></u><u></u></p><div><p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Georgia",serif;color:#274e13;background:white">President</span></b><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Georgia",serif;color:#274e13;background:white">c:202-746-1649</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Georgia",serif;color:#274e13;background:white">o:855-478-7824</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Georgia",serif;color:#274e13;background:white">f: 202-706-6063</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Georgia",serif;color:#274e13;background:white"><img width="199" height="60" style="width:2.0729in;height:.625in" id="m_4545051519015308001_x0000_i1025" src="https://docs.google.com/a/sustainablesolutionsllc.net/uc?id=0Bynd-1KX8zwzOXhYczVrdHlDLTQ&export=download"></span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Georgia",serif;color:#274e13;background:white"><a href="http://sustainablesolutionsllc.net" target="_blank" rel="noreferrer"><b>sustainablesolutionsllc.net</b></a></span><u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div></div></div></div></div></div><p class="MsoNormal"><u></u> <u></u></p></div></div><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal">On Mon, Aug 31, 2020 at 8:37 AM Marc Imlay <<a href="mailto:ialm@erols.com" target="_blank" rel="noreferrer">ialm@erols.com</a>> wrote:<u></u><u></u></p></div><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><div><p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Arial",sans-serif">Microstegium versus Perilla</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Arial",sans-serif"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Arial",sans-serif">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?</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Arial",sans-serif"> </span><u></u><u></u></p><p class="MsoNormal"><b><span style="font-size:14.0pt">Marc Imlay, PhD</span></b><u></u><u></u></p><p class="MsoNormal"><b><span style="font-size:14.0pt"> </span></b><u></u><u></u></p><p class="MsoNormal"><b><span style="font-size:14.0pt">Conservation biologist, </span></b><u></u><u></u></p><p class="MsoNormal"><b><span style="font-size:14.0pt">Board member of the Mid-Atlantic Exotic Pest Plant Council, </span></b><u></u><u></u></p><p class="MsoNormal"><b><span style="font-size:14.0pt">,</span></b><u></u><u></u></p><p class="MsoNormal"><b><span style="font-size:14.0pt">Natural Places Committee</span></b><u></u><u></u></p><p class="MsoNormal"><b><span style="font-size:14.0pt">for the Maryland Chapter of the Sierra Club.</span></b><u></u><u></u></p><p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Arial",sans-serif"> </span><u></u><u></u></p></div><div id="m_4545051519015308001gmail-m_-7051172010536785381DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p><div class="MsoNormal" align="center" style="text-align:center"><hr size="1" width="99%" noshade style="color:#909090" align="center"></div><table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse"><tr><td style="padding:0in 11.25pt 0in 6.0pt"><p class="MsoNormal"><a href="https://www.avast.com/antivirus" target="_blank" rel="noreferrer"><span style="text-decoration:none"><img border="0" id="m_4545051519015308001_x0000_i1027" src="https://static.avast.com/emails/avast-mail-stamp.png" alt="Avast logo"></span></a><u></u><u></u></p></td><td style="padding:.75pt .75pt .75pt .75pt"><p><span style="font-size:12.0pt;color:#3d4d5a">This email has been checked for viruses by Avast antivirus software. <br><a href="https://www.avast.com/antivirus" target="_blank" rel="noreferrer">www.avast.com</a> <u></u><u></u></span></p></td></tr></table><p class="MsoNormal"><br><br><u></u><u></u></p></div></div><p class="MsoNormal">_______________________________________________<br>MAIPC mailing list<br><a href="mailto:MAIPC@lists.maipc.org" target="_blank" rel="noreferrer">MAIPC@lists.maipc.org</a><br><a href="http://lists.maipc.org/listinfo.cgi/maipc-maipc.org" target="_blank" rel="noreferrer">http://lists.maipc.org/listinfo.cgi/maipc-maipc.org</a><u></u><u></u></p></blockquote></div></div></div>_______________________________________________<br>
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