[MAIPC] Garlic mustard disposal

[Marc Imlay]

How about the good biocontrol Canada released along our border?

 

From: MAIPC <maipc-bounces at lists.maipc.org> On Behalf Of Wade Simmons
Sent: Friday, April 16, 2021 11:34 AM
To: MAIPC at lists.maipc.org
Subject: Re: [MAIPC] Garlic mustard disposal

 

New, thought-provoking research on garlic mustard invasions in the east is summarized here, which also includes a link to the open-access paper and a recent webinar on the topic. 

http://www.nyisri.org/2021/01/research-summary-garlic-mustard-decline/

 

>From the website....

Take-home points:

*         Garlic mustard (Alliaria petiolata) populations are in decline in the northeast U.S.

*         This decline is faster and more pronounced in older, eastern populations, as garlic mustard has been present in the region for a longer time.

*         Negative plant-soil feedback, in which plants condition the soil in a way that reduces the plant performance, may be a cause for the observed population declines.

 

 

On Fri, Apr 16, 2021 at 10:25 AM frazmo <frazmo at gmail.com <mailto:frazmo at gmail.com> > wrote:

In terms of seed dispersal, the worst case is to have tall plants with fully ripe seeds that can pop out the pods and disperse more widely. In my opinion,  to have a limited-area ground pile of pulled plants is considerably less conducive to dispersal, even if some viable seeds are produced. The question of the allelopahic implications is an interesting one that could merit research. My default assumption is, better to have the plants out of the ground. Cheers, Steve Young 

 

On Fri, Apr 16, 2021, 2:38 AM <carolallen at erols.com <mailto:carolallen at erols.com> > wrote:

There is sufficient stored energy in the plant to mature flowers and set seed, even out of the ground. Some will bake but some will go to seed


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From: "Colleen Kenny" <ckenny at upperdublin.net <mailto:ckenny at upperdublin.net> >
To: MAIPC at lists.maipc.org <mailto:MAIPC at lists.maipc.org> 
Sent: Thursday, April 15, 2021 11:44:18 AM
Subject: [MAIPC] Garlic mustard disposal

Hello everyone,

Does anyone have experience pulling garlic mustard and piling it on site? I am having a large volunteer event to pull it, and am limited in how much we can cart out. I'm hoping if we pile it up it will decompose and not reroot or spread. Has anyone had a positive or negative experience if not bagging and removing?

 

Thanks!

Colleen

 

Colleen Kenny

Natural Resource Manager

Upper Dublin Township Parks and Recreation Department

267-615-3731


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