[MAIPC] FW: Stilt grass question

[Gregg Kneipp]

I have noticed the same thing with holly here in Fredericksburg, VA



On Sep 28, 2015, at 6:28 AM, Marc Imlay <ialm at erols.com> wrote:

*Any response for Tom and Jan?*

*Marc Imlay, PhD, **Chair, Biological control working Group *

*Conservation biologist, Park Ranger Office, Non-native Invasive Plant
Control coordinator.*
*(301) 442-5657 cell  *ialm at erols.com


*Natural and Historical Resources DivisionThe  Maryland-National
Capital   Park  and Planning Commission**www.pgparks.com
<http://www.pgparks.com/>*







-----Original Message-----
From: tomnjan2 [mailto:tomnjan2 at comcast.net <tomnjan2 at comcast.net>]
Sent: Monday, September 28, 2015 12:16 AM
To: Marc Imlay <ialm at erols.com>
Subject: Stilt grass question



Hi Marc,

Tom (Crone) and I were walking around the back end of Greenbelt Park today.
He was checking on some multiflora rose he'd cut earlier as well stilt
grass he cut. But I noticed something I hadn't before. There were large
swathes of stilt grass that had bare patches within those areas. The common
denominator was Holly tree leaf shed. We started searching elsewhere and
found the same correlation. The stilt grass totally avoided wherever the
dropped holly leaves landed. Have you seen this before, or know if there's
a specific chemical in the leaf that inhibits or kills the grass? Or some
other symbiotic relationship creating the inhibition? I'm really curious to
know. As we were driving out of the park, I started looking at the mountain
laurel and what I saw didn't seem to be surrounded by stilt grass either.



thanks

Jan Steiner



Sent from my iPad=


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