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Hopefully they'll follow the TNC guide on managing invasives, lop the =
plants, and then treat them with what we call the "magic wand", a low =
dose, spot treatement of herbicide using a pvc apparatus with a sponge =
tip that delivers the herbicide exactly where you want it, while =
minimizing spread where you don't want it. We use it to control glossy =
buckthorn in our wetlands. I've seen people use it for other woody =
invasives, like common buckthorn and autumn olive. And it only takes =
Roundup to get the job done, which for human and other critter purposes, =
is pretty benign.=20
=20
Here's a document that has the instructions for building the apparatus, =
in case you think this would be of interest:
=20
http://tncweeds.ucdavis.edu/tools/wandinst.pdf
=20
It's always funny to see people get goofy when they come to their first =
volunteer day, having been organic gardeners and all that rot, only to =
find out the long term stewards have a penchant for screaming "Die =
buckthorn scum!" as they swing their merry blue-tipped sticks about the =
wet prairies. Even herbicide has its place in reversing our =
activities... It's just bad when people spread it liberally and without =
any thought, or just to solve an immediate problem without recognizing =
any consequences :)
=20
Todd
The Madness (tm)
________________________________
From: owner-nanfa-l-in-nanfa.org on behalf of James Smith
I don't know if they will be using herbicides on the knotweed, I just
know it's nearly impossible to get rid of without them. Basically you
have to cut the plants down every 2-3 weeks for 5-10 years. The roots
take that long to starve. They're also heat tollerant and extensive
(ranging up to 30 feet), so ground covers don't work and even fire
doesn't accomplish much more than cutting it down. I do know that we
are going to cut it down and pile it up and the fire department is
going to burn it on site to keep the tops from rerooting.
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I don't know if they will be using herbicides on the =
knotweed, I =0A=
just
know it's nearly impossible to get rid of without them. =
Basically =0A=
you
have to cut the plants down every 2-3 weeks for 5-10 years. The =0A=
roots
take that long to starve. They're also heat tollerant and =0A=
extensive
(ranging up to 30 feet), so ground covers don't work and =
even =0A=
fire
doesn't accomplish much more than cutting it down. I do know =
that =0A=
we
are going to cut it down and pile it up and the fire department =0A=
is
going to burn it on site to keep the tops from =0A=
rerooting.