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Re: nutgrass/roundup resistant weeds

Eventual resistance is always a possibility, I think they know this from day
minus-one.  I read an article similar to the one you read some months ago.
I think they've started coming out with newer formulas to address the
resistance.  Of course these go to agribusiness first and are written of
only in trade journals for awhile until the info eventually trickles down to
home gardeners.


----- Original Message ----- 
From: "Theresa" <>
To: <>
Sent: Thursday, January 22, 2004 11:29 PM
Subject: RE: [CHAT] nutgrass/roundup resistant weeds

> Speaking of plant killers-  I was reading an article today in the UCD
> that they've done research and found that some plants are becoming roundup
> "resistant". Gee, I wonder what took so long to figure it out that this
> possible.  It also was specifically talking about concerns for genetically
> modified plants to be round-up resistant, wondering how then to kill those
> plants when they become pests.
> Interesting thought.
> Theresa
> -----Original Message-----
> From: []On
> Behalf Of Kitty
> Sent: Thursday, January 22, 2004 7:22 AM
> To:
> Subject: Re: [CHAT] Amer. Gardener/nutgrass
> Cyperus esculentus, called Yellow Nutsedge here, can be a pain.  If pulled
> carefully and consistently, I think it can be reasonably controlled. I've
> never totally eradicated it, but if I pull the young ones carefully
> the nut and as much root as possible, I have less trouble with it
> However, there's alwys one a foot tall hiding inside some daylilies or
> behind some tall plant that I don't catch quickly enough.  Still, by
> on top of it, it seems to have become less of a nuisance in my yard.
> Ortho does make a nutsedge killer that is supposed to be safe for
> turfgrasses, but I didn't find it any more effective than the handpulling.
> Handpulling is always warned against in everything I've read, but often I
> think we just have to find what works best for us in our own situation.
> Kitty
> ----- Original Message -----
> From: <>
> To: <>
> Sent: Thursday, January 22, 2004 7:57 AM
> Subject: Re: [CHAT] Amer. Gardener/nutgrass
> > This is the nutgrass here in Texas, Pam, Cyperus esculentus.  It is
> > Yellow nut sedge here.  There is also a Purple nut sedge, Cyperus
> rotundus.
> > Both form tubers that are edible, but not sure how.....raw, cooked, etc.
> They
> > are distinguished by the color of the flower heads, if that is what you
> want to
> > call it.
> > There are a number of other nut sedges that are problems in lawns, but
> my
> > knowledge these do not have that tuber.  Most of the most common
> or
> > nut sedge seen in Tx. turf and gardens are the two mentioned above.
> > Noreen
> > zone 9
> > Texas Gulf Coast
> >
> > In a message dated 1/21/2004 11:02:43 PM Central Standard Time,
> > writes:
> > Cyperus esculentus
> >
> > ---------------------------------------------------------------------
> > Support -- join the fund drive!
> >
> ---------------------------------------------------------------------
> Support -- join the fund drive!
> ---------------------------------------------------------------------
> Support -- join the fund drive!

Support -- join the fund drive!

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