[MAIPC] herbicide travel distance in Japanese honeysuckle runners??

Wed Apr 14 07:29:12 PDT 2021

Marc, is it correct to say that J. honeysuckle won't bloom (and make
seeds) unless it it climbing?

Ruth Douglas

On Wed, Apr 14, 2021 at 10:05 AM Marc Imlay <ialm at erols.com> wrote:

> It is critical to remove the vines of Japanese honeysuckle going high up
> the trees. Deer do not climb up the trees, of course. Deer are now under
> control in my local park and the Japanese honeysuckle came back in large
> amounts, but only where we did not complete the removal of the vines up the
> trees.
>
>
>
> Marc imlay
>
> Maryland Sierra Natural Places Committee.
>
>
>
> *From:* MAIPC <maipc-bounces at lists.maipc.org> *On Behalf Of *Nathan
> Hartshorne
> *Sent:* Tuesday, April 13, 2021 1:06 PM
> *To:* Hamersky Business <william at skyhammer.com>
> *Cc:* MAIPC Listserve (maipc at lists.maipc.org) <maipc at lists.maipc.org>
> *Subject:* Re: [MAIPC] herbicide travel distance in Japanese honeysuckle
> runners??
>
>
>
> I'm never one to say don't control invasives, but it is worth pointing out
> that deer often provide a lot of control of japanese honeysuckle,
> especially when they are overpopulated, which is pretty common.  So
> depending on the browse you see, you can even focus on other species.  One
> big drawback of deer fences for restoration projects is that I would then
> have to deal with a lot of honeysuckle climbing up the baby trees.
> Obviously the control the deer provide isn't perfect, so it's good to do
> your sprays anyways, but it's rare when we can enjoy deer doing something
> so good, so I like to bring it up.
>
>
>
> On Tue, Apr 13, 2021 at 12:18 PM Hamersky Business <william at skyhammer.com>
> wrote:
>
> Thanks for the speedy replies everyone!
>
>
>
> I was using 2-3% glyphosate.
>
>
>
> If it matters, I have the option of Candor or 3-D to use on these guys.
>
>
>
>
>
> William Hamersky
> Skyhammer
> 470 Taylors Gap Rd
> Charlottesville, VA  22903
>
> cel:  415. 516. 2560
>
> william at skyhammer.com
>
> “The Ash, having fibres tenacious and strong,
> Teaches me firm resistance, to battle with wrong."
>       Helen O. Hoyt
>
>
>
> On Apr 13, 2021, at 7:36 AM, Mark Frey <runcator at gmail.com> wrote:
>
>
>
> William
>
>
>
> It really depends heavily on the herbicide used. Some herbicides travel in
> roots and some don't. Some herbicides travel far in soils and some don't. I
> don't know of research applicable to runners in particular but there are
> certainly many research projects on efficacy of herbicide X on species Y.
>
>
>
> I just did a quick search in Google Scholar and found a few old resources
> for this species in particular:
>
> Regehr, D. L., & Frey, D. R. (1988). Selective control of Japanese
> honeysuckle (Lonicera japonica). Weed Technology, 139-143.
>
> Evans, J. E. (1984). Japanese honeysuckle (Lonicera japonica): a
> literature review of management practices. *Natural Areas Journal*, 4-10.
>
> Nuzzo, V. (1997). Element stewardship abstract for Lonicera japonica. *Nature
> Conservancy, Arlington, VA*.
> <https://www.invasive.org/gist/esadocs/documnts/lonijap.pdf>
>
>
>
> The Element Stewardship Abstracts are usually very useful for management.
> These documents were being produced back when TNC had a robust invasive
> species program and I have found them to be very useful for decades.
> Obviously, new research is not captured in these documents and some of the
> chemicals outlined in them and not ones many natural area managers would
> like to use if they could be avoided. But, they are a good place to start.
>
>
>
> Mark
>
>
>
> On Mon, Apr 12, 2021 at 10:00 PM Hamersky Business <william at skyhammer.com>
> wrote:
>
> Hi All,
>
> New to the MAIPC list mail, but have been reducing invasives on my
> property for the 6 years I’ve lived in Virginia, and also belong to Blue
> Ridge PRISM.
>
>
>
> I’ve been foliar spraying young J honeysuckle sprouts on the farm for a
> few days now and was wondering if anyone has info or knows of research on
> “just how far” the herbicide can travel along the runners before it is no
> longer effective? I’m guessing you all know that you can pull up one young
> sprout and have 3, 4, 5, or more runners attached to it, many with other
> “sproutlets” attached that will eventually root and create independent
> plants.  Incidentally, when I did occasionally pull up a sprout attached
> with runners, often their small “siblings" were invisible under the leaf
> litter.
>
>
>
> So my question is: is there any research out there showing the efficacy of
> herbicide treatment on invasive runners? Is it worthwhile to herbicide
> treat these groups of plants, or just keep pulling and pulling (exposing
> lots of bare soil in the meantime and who knows how many other
> weed/invasive seeds!) and see how far I can go… hopefully not to the next
> county.
>
>
>
> Thanks so much for any help/input/direction!
>
>
>
> William Hamersky
> Skyhammer
> 470 Taylors Gap Rd
> Charlottesville, VA  22903
>
> cel:  415. 516. 2560
>
> william at skyhammer.com
>
> “The Ash, having fibres tenacious and strong,
> Teaches me firm resistance, to battle with wrong."
>       Helen O. Hoyt
>
>
>
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