<div dir="ltr">Sorry to hear. Perhaps development of a C4 pathway specific herbicide would help, since stiltgrass is said to be one of the few C4 species that grows in the shade? Googling brings up a few results--more than would come up a few years ago.</div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Aug 27, 2016 at 10:53 AM, MarneyB <span dir="ltr"><<a href="mailto:marneyb@earthlink.net" target="_blank">marneyb@earthlink.net</a>></span> wrote:<br><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><p class="MsoNormal"><span style="color:#1f497d">On a walk recently on the River Trail at Great Falls MD I noticed that Golden ragwort – <i>Packera aurea</i> - was able to deter Japanese Stiltgrass in an area where this invasive and had taken to a large extent.<u></u><u></u></span></p><p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:#1f497d">Marney<u></u><u></u></span></p><p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> MAIPC [mailto:<a href="mailto:maipc-bounces@lists.maipc.org" target="_blank">maipc-bounces@lists.<wbr>maipc.org</a>] <b>On Behalf Of </b>Marc Imlay<br><b>Sent:</b> Saturday, August 27, 2016 9:39 AM<br><b>To:</b> <a href="mailto:maipc@lists.maipc.org" target="_blank">maipc@lists.maipc.org</a><br><b>Subject:</b> [MAIPC] Summer Invasives.<u></u><u></u></span></p></div></div><span class=""><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1f497d">I have found this year that the Japanese Stiltgrass is no longer controllable over 400 acres of parkland  in spites of extensive use of pre-emergents in March. At the 200 acre Swann Park beefsteak is no longer controllable. And many folks have found the same for Wavyleaf basketgrass. . Twenty years ago it was very doable to save all our parks. So mid-late Summer invasives is very sad, especially since stiltgrass is so totally destructive and replaces the other ground vegetation.  <u></u><u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1f497d">I remind myself that I have been successful with invasives for the rest of the year including garlic mustard and Lesser Celandine. For the late Summer invasives , biological control remains our best hope, both effective host specific from Eurasia, etc. as well as waiting for native biological controls to pop up as with Ailanthus after 200 years. . <u></u><u></u></span></b></p><p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p><div><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b>From:</b> Imlay, Marc <br><b>Sent:</b> Thursday, August 25, 2016 10:08 AM<br><b>To:</b> <br><b>Subject:</b> RE: Mniutes from August 2016 board meeting<u></u><u></u></p></div></div><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1f497d">A top issue for invasive plant control folks is should we continue to remove all the Asiatic bittersweet, bush honeysuckle,  juvenile garlic mustard, Japanese barberry, porcelain berry, beefsteak, multi flora rose,  mimosa, wineberry,  and mile-a minute. Or switch our resources to Japanese Stilt grass and wavyleaf basket grass that have become so much more abundant and destructive at our high priority sites. <u></u><u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:red">Marc Imlay, PhD, Chair, MAIPC Biological control working Group Conservation biologist, </span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u><u></u></span></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:red">Park Ranger Office, Non-native Invasive Plant Control coordinator. </span></b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:red"><a href="mailto:Marc.Imlay@pgparks.com" target="_blank"><b><span style="color:red;text-decoration:none">Marc.Imlay@<wbr>pgparks.com</span></b></a></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u><u></u></span></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:red"><a href="tel:%28301%29%20442-5657" value="+13014425657" target="_blank">(301) 442-5657</a> cell  Natural and Historical Resources Division</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u><u></u></span></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:red">The  Maryland-National   Capital   Park  and Planning Commission</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u><u></u></span></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:red"> </span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u><u></u></span></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:red">Marc Imlay, PhD <br>Chair of the Biodiversity and Habitat Stewardship Committee for the Maryland Chapter of the Sierra Club.</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u><u></u></span></p><p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u> <u></u></span></p></span><table border="1" cellspacing="3" cellpadding="0" style="border:none;border-top:solid #d3d4de 1.0pt"><tbody><tr><td width="83" style="width:41.25pt;border:none;padding:9.75pt .75pt .75pt .75pt"><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=icon" target="_blank"><span style="border:solid windowtext 1.0pt;padding:0in;text-decoration:none"><img border="0" width="46" height="29" src="cid:image001.jpg@01D20051.507A9ED0" alt="Image removed by sender."></span></a><u></u><u></u></span></p></td><td width="705" style="width:352.5pt;border:none;padding:9.0pt .75pt .75pt .75pt"><p class="MsoNormal" style="line-height:13.5pt"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#41424e">Virus-free. <a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=link" target="_blank"><span style="color:#4453ea">www.avast.com</span></a> <u></u><u></u></span></p></td></tr></tbody></table><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u> <u></u></span></p></div></div><br>______________________________<wbr>_________________<br>
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