<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-size: 13px;color: rgb(0, 0, 0);font-family: arial, sans-serif;">Great question Marc. We have the same issue here in central VA.<div><br></div><div>If it hasn't been done yet, there's an opportunity here for a research study that would be valuable to land managers and applicators: Intact seed viability in dessicated Microstegium vimineum, as well as intact seed viability for Microstegium vimineum plants already sprayed with Sethoxydim, Clethodim, or Glyphosate (or other herbicides commonly used). At what point is it no longer useful to treat a given plant or patch with plants generally in the same stage of seed formation?</div><div><br></div><div>Jim Hurley</div><div>Blue Ridge PRISM<br><br><blockquote style="padding-left: 5px; margin-left: 0px; border-left: #0000ff 2px solid; font-weight: normal; font-style: normal; text-decoration: none; font-size: 10pt; font-family: arial,sans-serif; color: black;">-----Original Message-----
<br>From: Marc Imlay <ialm@erols.com>
<br>Sent: Oct 22, 2019 2:53 PM
<br>To: INVASIVES@LISTSERV.UMD.EDU, maipc@lists.maipc.org
<br>Subject: [MAIPC] FW: Japanese stiltgrass
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"><b><span style="font-size:16.0pt">With the severe drought in Charles County, MD, for many weeks, that ended a few days ago, I noticed that about 75% of the stiltgrass looked dead. Question, are the intact seeds dead too?<o:p></o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:16.0pt"><o:p> </o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:16.0pt">Marc<o:p></o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:16.0pt"><o:p> </o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:16.0pt"><o:p> </o:p></span></b></p><p class="MsoNormal"><o:p> </o:p></p><div><div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b>From:</b> Marc Imlay <ialm@erols.com> <br><b>Sent:</b> Tuesday, October 22, 2019 7:57 AM<br><b>To:</b> 'Marc Imlay' <ialm@erols.com><br><b>Subject:</b> RE: Japanese stiltgrass<o:p></o:p></p></div></div><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">An infestation of <i>M. vimineum</i> documented in 2002 in Chapman State Park , Maryland, USA showed adverse impact on <i>Myosotis macrosperma</i> Engelm (largeseed forget-me-not), <i>Solidago bicolor</i> (white goldenrod), <i>Arisaema dracontium</i> (green dragon) and <i>Nemophila aphylla </i>(smallflower baby blue eyes) (<a target="_blank" href="https://www.cabi.org/isc/datasheet/115603#58458EE6-81A1-40FD-9495-E92F932FABFD"><span style="color:blue">Imlay, 2012</span></a>).<span style="font-size:14.0pt"><o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:14.0pt"><a target="_blank" href="https://www.cabi.org/isc/datasheet/115603">https://www.cabi.org/isc/datasheet/115603</a><o:p></o:p></span></p><p class="MsoNormal"><o:p> </o:p></p><div><div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b>From:</b> Marc Imlay <<a target="_blank" href="mailto:ialm@erols.com">ialm@erols.com</a>> <br><b>Sent:</b> Monday, October 21, 2019 10:08 AM<br><b>To:</b> <a target="_blank" href="mailto:INVASIVES@LISTSERV.UMD.EDU">INVASIVES@LISTSERV.UMD.EDU</a>; <a target="_blank" href="mailto:maipc@lists.maipc.org">maipc@lists.maipc.org</a>; 'flory@ufl.edu' <<a target="_blank" href="mailto:flory@ufl.edu">flory@ufl.edu</a>>; 'amminnis@fs.fed.us' <<a target="_blank" href="mailto:amminnis@fs.fed.us">amminnis@fs.fed.us</a>>; 'Amy.Rossman@ars.usda.gov' <<a target="_blank" href="mailto:Amy.Rossman@ars.usda.gov">Amy.Rossman@ars.usda.gov</a>>; 'nkleczew@purdue.edu' <<a target="_blank" href="mailto:nkleczew@purdue.edu">nkleczew@purdue.edu</a>><br><b>Subject:</b> Japanese stiltgrass<o:p></o:p></p></div></div><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><span style="font-size:14.0pt">So what is the update on the host of Bipolaris microstegii?<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:14.0pt">Is it a native we can plant. Marc Imlay<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:14.0pt"><a target="_blank" href="https://www.fs.fed.us/nrs/pubs/jrnl/2012/nrs_2012_minnis_002.pdf">https://www.fs.fed.us/nrs/pubs/jrnl/2012/nrs_2012_minnis_002.pdf</a><o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p></div><div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
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