[MAIPC] Guilford woods cleanup 27 March 2021

Sun Mar 28 19:17:08 PST 2021

Is Lesser Celandine worse this year especially where it is not being controlled?

From: Lily Fountain <lily.fountain at mdsierra.org> 
Sent: Sunday, March 28, 2021 1:32 PM
To: Marc Imlay <ialm at erols.com>
Cc: Laurel Imlay <laurel.imlay at sierraclub.org>; Marc S <marcnealsimon at gmail.com>; Janet Gingold <janet.gingold at mdsierra.org>; Stuart Adams <stuartmadams at gmail.com>; <Harry Carol Rosenteins Son Malone > <hcmalone123 at gmail.com>; Jack.Hedgman at gmail.com; cajun.abapers at gmail.com; Friends of Guilford Woods <friendsofguilford at gmail.com>; Keith Imlay <KeithImlay at kpiconsultingit.com>
Subject: Re: Guilford woods cleanup 27 March 2021

Marc Simon I would like to know if the lesser celandine/fig buttercup is worse this year?

Lily Fountain 
Chair, Maryland Sierra Club Natural  Places Committee
Secretary, Prince George's Group
NAACP Lifetime Member
301-442-5854 mobile

lily.fountain at mdsierra.org <mailto:lily.fountain at mdsierra.org> 

On Sun, Mar 28, 2021, 1:22 PM Marc Imlay <ialm at erols.com <mailto:ialm at erols.com> > wrote:

We all saw the Hugh amount of area covered by Fig Buttercup /Lesser Celandine.  So please take action to greatly reduce it everywhere, including Guilford Woods.

Please nudge biological control research on Fig Buttercup at the ARS lab in France where Fig Buttercup is native. The funding can be from current legislation.

Research is needed for Fig Buttercup (Lesser Celandine) pathogen and insect biocontrol. USDA can do research in European labs on Fig buttercup.  But it needs an estimated $20,000 in funding to identify candidates for biological control that are specific for Fig buttercup.  Lesser Celandine is one of our worst invasive species in both aquatic and terrestrial natural places. A biological control will greatly reduce the current need for digging up the soil to get out all the roots with bulbs or herbicide spraying. Following is background on justification for the funding: 

Dear Marc-

Back from the US, my center Director, Dawn Gundersen-Rindal informed me about your interest about fig buttercup. I am the Weeds leader at the lab, and entomologist.

We, at USDA-ARS, EBCL are specialized in biocontrol and foreign exploration in Eurasia and Africa on weeds and insect pests invading the US. I know Ficaria verna. It is common in France and Europe.

I don't know what are your plans for this target, neither the funding associated to it, but know that exploring the native range for natural enemies is doable under a formal collaboration.

Best

Rene

-----

René FH. Sforza, PhD, HDR

USDA-ARS-European Biological Control Laboratory

Campus International de Baillarguet 

810, avenue du Campus Agropolis, 

34980 Montferrier-sur-Lez, FRANCE; Tel +33 (0)4 99 62 30 07 

www.ars-ebcl.org/pages/staff/sforza.html <http://www.ars-ebcl.org/pages/staff/sforza.html> 

www.researchgate.net/profile/Rene_Sforza2 <http://www.researchgate.net/profile/Rene_Sforza2> 

------

research needed for Fig Buttercup (Lesser Celandine) pathogen biocontrol

Preliminary research indicated an insect biocontrol is unlikely but a fungus pathogen is likely to be found for Lesser Celandine

From: Widmer, Tim <tim.widmer at usda.gov <mailto:tim.widmer at usda.gov> > 

Hi Marc,

I understand that there was some discussion with EBCL to possibly set up an agreement to do some work on Lesser Celandine.  In that discussion, it was mentioned that they would need around $10K to start that work since they did not have the funds in the budget to start a new project.  However, we have not heard back regarding this agreement was proposed so no work has been started on this weed.  If you are still interested in this weed and can find the funding for it, then we can set up this agreement to work on it.  As you know, which was the reason for the stakeholder meeting, funding for these labs is very tight, so to set up a new project will take some additional funds.

Thanks,

Tim

From: Bruckart, William [ <mailto:William.Bruckart at ARS.USDA.GOV> mailto:William.Bruckart at ARS.USDA.GOV] 
Sent: Tuesday, May 12, 2015 2:37 PM
To: Imlay, Marc < <mailto:Marc.Imlay at pgparks.com> Marc.Imlay at pgparks.com>;  <mailto:jhough at udel.edu> jhough at udel.edu
Cc:  <mailto:ialm at erols.com> ialm at erols.com
Subject: RE: [MAIPC] lesser celandine control

Hi Marc,

Thanks for your call.  I’ve got the email going and have had chance to review your inquiry.  The short answer is that the pathogens listed could make the difference.  Synchytrium is soil-borne, too, and might be promising for that reason.  

If you will indulge me, there are a couple of things that are worthy of consideration while all this is getting organized.  Obviously, densities where it is native are not oppressive.  Is there any information about what keeps populations in check where it’s native?  It seems that a lot could be learned fairly quickly in Europe that would facilitate conclusion about the potential for biological control.  With more effort, other discoveries are possible.  The tendency is to look at visible parts of the plant, but there could be a whole complex (or one or two) of organisms that affect bulb health, as well.  Artificial treatments (inoculations) with pathogens and insects could also be tested.  It may be that, despite the ephemeral nature of the plant, there are organisms (pathogens?) capable of being in place at the right time and thus effective.  That would make selection of test species for the U.S. easier.  Also, one could look at related plant species (there might be way to test N. Am. relatives in the field, too) to determine non-target risk as well.  There are some contacts in Europe that could possibly be connected to such a study.

It seems worth looking into, Marc.  Let me know what develops, please.  All the best.

Cheers!

Bill

William L. Bruckart, III

USDA, ARS, FDWSRU

1301 Ditto Ave.

Ft. Detrick, MD 21702

  Phone: 301/619-2846

  Email:  <mailto:william.bruckart at ars.usda.gov> william.bruckart at ars.usda.gov

 Marc Imlay

Board member Mid-Atlantic Invasive Plant Council

Maryland Sierra Club Natural Places Committee

From: Marc Imlay <ialm at erols.com <mailto:ialm at erols.com> > 
Sent: Sunday, March 28, 2021 8:33 AM
To: 'lily.fountain at mdsierra.org <mailto:lily.fountain at mdsierra.org> ' <lily.fountain at mdsierra.org <mailto:lily.fountain at mdsierra.org> >; 'Laurel Imlay' <laurel.imlay at sierraclub.org <mailto:laurel.imlay at sierraclub.org> >; 'Marc Imlay' <marc.imlay at mdsierra.org <mailto:marc.imlay at mdsierra.org> >; 'Marc S' <marcnealsimon at gmail.com <mailto:marcnealsimon at gmail.com> >; 'Janet Gingold' <janet.gingold at mdsierra.org <mailto:janet.gingold at mdsierra.org> >; 'Stuart Adams' <stuartmadams at gmail.com <mailto:stuartmadams at gmail.com> >; 'hcmalone123 at gmail.com <mailto:hcmalone123 at gmail.com> ' <hcmalone123 at gmail.com <mailto:hcmalone123 at gmail.com> >; 'Jack.Hedgman at gmail.com <mailto:Jack.Hedgman at gmail.com> ' <Jack.Hedgman at gmail.com <mailto:Jack.Hedgman at gmail.com> >; 'cajun.abapers at gmail.com <mailto:cajun.abapers at gmail.com> ' <cajun.abapers at gmail.com <mailto:cajun.abapers at gmail.com> >; 'Friends of Guilford Woods' <friendsofguilford at gmail.com <mailto:friendsofguilford at gmail.com> >
Subject: Guilford woods cleanup 27 March 2021

Guilford woods cleanup  27 March 2021

This was an exciting day because native spring wildflowers are springing up. Spring Beauties, Claytonia virginia, and Common Blue Violet, Viola papilionacea.

We rescued them from Fig buttercup. And from some English Ivy, Japanese honeysuckle, Japanese barberry thanks to Henry, and multi flora rose.  

We also rescued some trees from English Ivy and removed a small patch of garlic mustard. Thank you Henry, Lily, Richard, Laurel, Rowan, Marc and Marc, Jack, Viviana, Vira, and Matt 

From: Marc Imlay <ialm at erols.com <mailto:ialm at erols.com> > 
Sent: Sunday, February 28, 2021 5:34 PM
To: 'Marc S' <marcnealsimon at gmail.com <mailto:marcnealsimon at gmail.com> >; 'Lily Fountain' <lily.fountain at mdsierra.org <mailto:lily.fountain at mdsierra.org> >; '<KeithImlay at kpiconsultingit.com <mailto:KeithImlay at kpiconsultingit.com> >' <KeithImlay at KPIConsultingIT.com <mailto:KeithImlay at KPIConsultingIT.com> >; 'Janet Gingold' <janet.gingold at mdsierra.org <mailto:janet.gingold at mdsierra.org> >; 'Rowan Imlay Morris' <rowan.imlaymorris at gmail.com <mailto:rowan.imlaymorris at gmail.com> >; 'stuartmadams at gmail.com <mailto:stuartmadams at gmail.com> ' <stuartmadams at gmail.com <mailto:stuartmadams at gmail.com> >; 'laurel.imlay at sierraclub.org <mailto:laurel.imlay at sierraclub.org> ' <laurel.imlay at sierraclub.org <mailto:laurel.imlay at sierraclub.org> >; 'Harry Carol Rosenteins Son Malone <hcmalone123 at gmail.com <mailto:hcmalone123 at gmail.com> >' <Harry Carol Rosenteins Son Malone <hcmalone123 at gmail.com <mailto:hcmalone123 at gmail.com> >>
Subject: Guilford woods cleanup 2.28.2021

March is next. Marc

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