[MAIPC] Fwd: Microstegium cutting
Art Gover
aeg2 at psu.edu
Wed Aug 29 17:49:38 PDT 2018
Hi, All.
Our website has a bulletin describing herbicide treatment of Microstegium at
https://plantscience.psu.edu/research/labs/weed-ecology/research/wildland-weed-management/publications/invasive-species-quicksheets/stiltgrass <https://plantscience.psu.edu/research/labs/weed-ecology/research/wildland-weed-management/publications/invasive-species-quicksheets/stiltgrass>
A brief summary of grass-specific herbicides, listing herbicide common name, and example trade names. These are products with non-crop labeling.
quizalofop-P-ethyl “Assure II” My preferred material.
sethoxydim “Segment” (“Poast” may be the most familiar product)
clethodim “Envoy Plus”
fluazifop-P-butyl “Fusilade II”
fenoxaprop-P-ethyl “Acclaim Extra” labeled for use in certain turfgrass species as well.
Be well.
Art
Penn State Wildland Weed Management
116 ASI Building
University Park, PA 16802
(814) 863-9904
(814) 863-6139 FAX
http://plantscience.psu.edu/wildland
> On Aug 29, 2018, at 19:15, Maryland Native Plant Society <info at mdflora.org> wrote:
>
> Can you direct us to the papers regarding grass specific herbicides. He had so many publications on his web site it's hard to find this paper.
> Karyn
>
> On Tue, Aug 28, 2018, 1:09 PM Jil Swearingen <jilswearingen at gmail.com <mailto:jilswearingen at gmail.com>> wrote:
>
> ---------- Forwarded message ---------
> From: Jil Swearingen <jilswearingen at gmail.com <mailto:jilswearingen at gmail.com>>
> Date: Tue, Aug 28, 2018 at 12:46 PM
> Subject: Fwd: [MAIPC] Microstegium cutting
> To: MAIPC Listserve <maipc at lists.maipc.org <mailto:maipc at lists.maipc.org>>
>
>
> All,
>
> I contacted Dr Luke Flory for his input. Please see his message below.. I was curious about the timing of cutting with respect to the hidden or cleistogamous ("CL") flowers and seeds.
>
> Thank you,
>
> Jil
>
> .......................
> Jil Swearingen
> Invasive Species Consultant
> In the Weeds
> 410-200-7085
>
>
>
> ---------- Forwarded message ---------
> From: Flory, S. Luke <flory at ufl.edu <mailto:flory at ufl.edu>>
> Date: Tue, Aug 28, 2018 at 11:46 AM
> Subject: Re: [MAIPC] Microstegium cutting
> To: Jil Swearingen <jilswearingen at gmail.com <mailto:jilswearingen at gmail.com>>
>
>
> Hi Jil,
>
>
>
> Mowing is tough because it often isn’t low enough to catch all/most of the CL seeds, which can be produced low to the ground. More effective is string trimming very close to the ground, but of course then you hammer the native species. Even better is a grass-specific herbicide, which can exclude Mv and allow most native species to return. If mowing is the only option, mowing year after year after about Aug 15 or once flowering starts, can be helpful in reducing seed production and spread. CL seeds ripen later than CH seeds, usually in mid to late October in the PA latitude.
>
>
>
> Attached here are a bunch of papers, but there are quite a few others. Let me know if you are interested in anything in particular that isn’t included here (complete list on my web site).
>
>
>
> Luke
>
>
>
> ____________________________________
>
> S. Luke Flory
>
> Associate Professor
>
> University of Florida
>
> 352-231-2376 (mobile)
>
> 352-294-1581 (office)
>
> florylab.com <http://florylab.com/>
> @lflory
>
>
>
>
>
>
>
>
> From: Jil Swearingen <jilswearingen at gmail.com <mailto:jilswearingen at gmail.com>>
> Date: Tuesday, August 28, 2018 at 8:59 AM
> To: S Luke Flory <flory at ufl.edu <mailto:flory at ufl.edu>>
> Subject: Fwd: [MAIPC] Microstegium cutting
>
>
>
> Hello Dr. Flory (Luke),
>
>
>
> I wondered if you would be interested in weighing in on this question about when to mow microstegium when it's mixed with native species. I was also curious about the viability of the cleistogamous fruits. When do they ripen, are they viable and should that be considered when doing management?
>
>
>
> Do I need to contact you for each individual publication you have on this plant or could I get access to all of your stiltgrass papers?
>
>
>
> Thanks very much,
>
>
>
> Jil
>
>
>
> .......................
>
> Jil Swearingen
>
> Invasive Species Consultant
>
> In the Weeds
>
> 410-200-7085
>
>
>
>
>
>
>
> ---------- Forwarded message ---------
> From: Muth, Norris (MUTH) <MUTH at juniata.edu <mailto:MUTH at juniata.edu>>
> Date: Mon, Aug 27, 2018 at 9:07 AM
> Subject: [MAIPC] Microstegium cutting
> To: MAIPC Listserve <maipc at lists.maipc.org <mailto:maipc at lists.maipc.org>>
>
>
>
> Hi all,
>
> I know this info exists in several places – but I thought I’d exercise your collective brains.
>
>
>
> I’m looking for a quick reminder on the optimal height at which to cut Microstegium. I know timing is also important – but the person who asked me is looking to do it ASAP (i.e. their cutting time is fixed to lat August). Mostly the concern is – could you easily leave it too tall?
>
>
>
> Thanks!
>
> —
> Norris Z. Muth, Ph.D.
> Associate Professor, Biology
> Office: 814-641-3632 | 1054 VLB
> Juniata College
> 1700 Moore Street
> Huntingdon, PA 16652
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