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  • From: bob111higgins AT comcast.net
  • To: sunnfarm AT bellatlantic.net, Market Farming <market-farming AT lists.ibiblio.org>
  • Cc:
  • Subject: Re: [Market-farming] Root nematodes?
  • Date: Wed, 14 Apr 2004 15:59:41 +0000

Thanks Bob -- I'll do the germination test you suggested and go from there.

Bob H.
> Bob, we seldom see nematodes in crops after years of grass sod. One of the
> best
> organic controls for vegetable crop nematodes is the planting of grass sod
> for
> many years. You can send soil samples to a nematode testing lab to be sure.
> I
> think your problem is either wireworms or symphylans. Both of these pests
> are
> common in newly tilled land that had been in sod a few years. Symphylans
> can be
> detected
> by digging a soil sample from your potato patch and looking for the
> critters.
> Wireworms can be found by burying a handful of wheat or untreated corn seed
> a
> couple inches deep in last years potato patch then dig up the germinating
> clump
> of seeds and looking for the wireworms, one wireworm is all you need to
> find to
> know its the problem...Bob.
> Sunny Meadow Farm
> Bridgeton, NJ.
>
> bob111higgins AT comcast.net wrote:
>
> > Hi All:
> >
> > Last year, a large percentage of my potatoes came out gnarly and
> > deformed.
> This was in my new garden, first market garden, new place we moved to.
> First I
> thought the potatoes looked like that because I let the weeding go and they
> had
> to compete with lots of strongly-rooted weeds -- maybe the weed roots
> wrapped
> around the taters.
> >
> > Now I'm thinking this is classic root nematodes like the kind that deform
> carrots. The potatoes were planted in a field that hadn't been turned over
> in
> years -- lots of old haygrass sod. I've only seen nematodes do in carrots
> before. Do these buggers deform potatoes too? If so, does anyone know any
> organic treatments for the soil before I put in this year's crop (in a
> different
> part of the field)?
> >
> > Thanks!
> >
> > Bob Higgins
> > Red Brick Farm
> > Hopewell, NJ
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