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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial",sans-serif'>The only good news is that if you remove it three times in the season, very few will come back next year. Get them all in July (early emergent) August, and then again in late September (late emergent). Marc<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b>From:</b> Kathleen Michels <michelskm2016@gmail.com> <br><b>Sent:</b> Monday, October 05, 2020 10:58 AM<br><b>To:</b> Marc Imlay <ialm@erols.com><br><b>Cc:</b> MAIPC <maipc@lists.maipc.org>; INVASIVES@listserv.umd.edu; APWG <apwg-bounces@lists.plantconservation.org>; Lily Fountain <lily.fountain@mdsierra.org><br><b>Subject:</b> Re: [MAIPC] Microstegium versus Perilla, August 30 2020<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>I just see Perilla spreading EVERYWHERE! In addition to meadows and woods It's even in our Wheaton urban parking garage garden far away and isolated by lots of asphalt and concrete from any gardens or natural areas. Like barberry it's the newest that is just t<o:p></o:p></p><div><p class=MsoNormal>exploding over every natural and non natural area we look! <o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Fri, Oct 2, 2020, 8:27 AM Marc Imlay <<a href="mailto:ialm@erols.com">ialm@erols.com</a>> wrote:<o:p></o:p></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 style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:16.0pt;font-family:"Arial",sans-serif;color:red'>Reminder. If you see something, say something.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:16.0pt;font-family:"Arial",sans-serif;color:red'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:16.0pt;font-family:"Arial",sans-serif;color:red'>If you see a massive die off of Beefsteak Mint, please report it for potential biological control. Thank you</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:16.0pt;font-family:"Arial",sans-serif;color:red'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:16.0pt;font-family:"Arial",sans-serif;color:red'>Marc</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>From:</b> frazmo <<a href="mailto:frazmo@gmail.com" target="_blank">frazmo@gmail.com</a>> <br><b>Sent:</b> Sunday, September 13, 2020 1:30 PM<br><b>To:</b> Marc Imlay <<a href="mailto:ialm@erols.com" target="_blank">ialm@erols.com</a>><br><b>Cc:</b> MAIPC <<a href="mailto:maipc@lists.maipc.org" target="_blank">maipc@lists.maipc.org</a>>; <a href="mailto:INVASIVES@listserv.umd.edu" target="_blank">INVASIVES@listserv.umd.edu</a><br><b>Subject:</b> Re: [MAIPC] Microstegium versus Perilla, August 30 2020<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt: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.<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt: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.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Cheers, Steve Young, Arlington VA volunteer <o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Fri, Sep 11, 2020, 3:34 PM Marc Imlay <<a href="mailto:ialm@erols.com" target="_blank">ialm@erols.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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? </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:14.0pt;font-family:"Arial",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'>Marc Imlay, PhD Conservation biologist, </span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'>Board member of the Mid-Atlantic Exotic Pest Plant Council, ,</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'>Natural Places Committee for the Maryland Chapter of the Sierra Club</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>From:</b> James Remuzzi <<a href="mailto:james@sustainablesolutionsllc.net" target="_blank">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">ialm@erols.com</a>><br><b>Cc:</b> MAIPC <<a href="mailto:maipc@lists.maipc.org" target="_blank">maipc@lists.maipc.org</a>><br><b>Subject:</b> Re: [MAIPC] Microstegium versus Perilla, August 30 2020<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>We also noticed this in the field Marc.<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>For whatever reason- Perrilla seems to outcompete JSG.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><br clear=all><o:p></o:p></p><div><div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:7.5pt;font-family:"Georgia",serif;color:#274E13'>James R. Remuzzi</span></b><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:7.5pt;font-family:"Georgia",serif;color:#274E13;background:white'>President</span></b><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Georgia",serif;color:#274E13;background:white'>c:202-746-1649</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Georgia",serif;color:#274E13;background:white'>o:855-478-7824</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Georgia",serif;color:#274E13;background:white'>f: 202-706-6063</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:7.5pt;font-family:"Georgia",serif;color:#274E13;background:white'><img border=0 width=199 height=60 style='width:2.0729in;height:.625in' id="m_-2460291901604003422m_4545051519015308001_x005f_x0000_i1025" src="https://docs.google.com/a/sustainablesolutionsllc.net/uc?id=0Bynd-1KX8zwzOXhYczVrdHlDLTQ&export=download"></span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:7.5pt;font-family:"Georgia",serif;color:#274E13;background:white'><a href="http://sustainablesolutionsllc.net" target="_blank"><b>sustainablesolutionsllc.net</b></a></span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Mon, Aug 31, 2020 at 8:37 AM Marc Imlay <<a href="mailto:ialm@erols.com" target="_blank">ialm@erols.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:14.0pt;font-family:"Arial",sans-serif'>Microstegium versus Perilla</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:14.0pt;font-family:"Arial",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:14.0pt;font-family:"Arial",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'>Marc Imlay, PhD</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'> </span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'>Conservation biologist, </span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'>Board member of the Mid-Atlantic Exotic Pest Plant Council, </span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'>,</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'>Natural Places Committee</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:14.0pt'>for the Maryland Chapter of the Sierra Club.</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:14.0pt;font-family:"Arial",sans-serif'> </span><o:p></o:p></p></div><div id="m_-2460291901604003422m_4545051519015308001gmail-m_-7051172010536785381DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'> <o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=1 width="99%" noshade style='color:#909090' align=center></div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='border-collapse:collapse'><tr><td style='padding:0in 11.25pt 0in 6.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="https://www.avast.com/antivirus" target="_blank"><span style='text-decoration:none'><img border=0 id="m_-2460291901604003422m_4545051519015308001_x005f_x0000_i1027" src="https://static.avast.com/emails/avast-mail-stamp.png" alt="Avast logo"></span></a><o:p></o:p></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">www.avast.com</a> </span><o:p></o:p></p></td></tr></table><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'> <o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>_______________________________________________<br>MAIPC mailing list<br><a href="mailto:MAIPC@lists.maipc.org" target="_blank">MAIPC@lists.maipc.org</a><br><a href="http://lists.maipc.org/listinfo.cgi/maipc-maipc.org" target="_blank">http://lists.maipc.org/listinfo.cgi/maipc-maipc.org</a><o:p></o:p></p></blockquote></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>_______________________________________________<br>MAIPC mailing list<br><a href="mailto:MAIPC@lists.maipc.org" target="_blank">MAIPC@lists.maipc.org</a><br><a href="http://lists.maipc.org/listinfo.cgi/maipc-maipc.org" target="_blank">http://lists.maipc.org/listinfo.cgi/maipc-maipc.org</a><o:p></o:p></p></blockquote></div></div></div><p class=MsoNormal>_______________________________________________<br>MAIPC mailing list<br><a href="mailto:MAIPC@lists.maipc.org" target="_blank">MAIPC@lists.maipc.org</a><br><a href="http://lists.maipc.org/listinfo.cgi/maipc-maipc.org" target="_blank">http://lists.maipc.org/listinfo.cgi/maipc-maipc.org</a><o:p></o:p></p></blockquote></div></div></body></html>