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Soil and Composting: root knot nematodes

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brownthumb78
Belleair, FL
(Zone 10a)

July 23, 2013
10:49 AM

Post #9609531

I pulled my squash & found the roots looking all knotted up. They look identical to the pics online of root knot nematodes. The info I've found says I can move the garden or try to find crops they don't like or r resistant. Is there no way to get rid of these things?

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sallyg

sallyg
Anne Arundel,, MD
(Zone 7b)

July 27, 2013
4:42 PM

Post #9613719

I've had sick plants with roots like that before, and wondered if they were nematodes. Sorry no one seems to be able to help.
I once read that a heavy dose of dry mustard powder, in the hole when planting pepper plants, would prevent their nematodes.
brownthumb78
Belleair, FL
(Zone 10a)

July 27, 2013
4:56 PM

Post #9613736

Hmm its worth a try. I planned on solarizing the area then leaving it unused for a year or two but my garden is so small I hate to lose even that small amount of space so I.ll try anything. Thank u!

sallyg

sallyg
Anne Arundel,, MD
(Zone 7b)

July 27, 2013
6:59 PM

Post #9613852

I just googled up a sheet from UC IPM. Nematodes sound like a really tough problem, suggestions are fallowing, rotating crops, and generally making other conditions better so plants and soil are healthy as possible going into the season.

I quit trying green peppers.
Seedfork
Enterprise, AL
(Zone 8b)

July 28, 2013
5:35 AM

Post #9614114

I thought this article might be helpful!
http://www.uaex.edu/Other_Areas/publications/PDF/FSA-7529.pdf
brownthumb78
Belleair, FL
(Zone 10a)

July 31, 2013
8:21 AM

Post #9617342

Thanks for the suggestions guys!
Gazoodles
Iowa Park, TX
(Zone 7b)

August 18, 2013
11:12 PM

Post #9634789

If it is your first time to have root knot nematodes and you purchased those plants that have them, you might try drenching the soil / area you pulled them from with boiling water.

We got them from some tomato plants we purchased (when we lived in Alabama.) I didn't know what they were at the time so didn't know what to do but I wish that I had spent a few days pouring boiling water on the spots and anywhere the soil might have gotten contaminated with them.

We were never able to grow tomatoes, melons and many other common plants in that garden again. (We tried solarizing but it didn't work.)

Since we have moved to Texas we grow everything from seed. This keeps from introducing pests like root knot nematodes and spider mites to the current garden.
Indy
Alexandria, IN
(Zone 6a)

September 27, 2013
5:12 PM

Post #9671886

I've read that turning green plants of the mustard family into the soil helps against nematodes.

Mustard, broccoli, cabbage, turnips, and radishes.

sallyg

sallyg
Anne Arundel,, MD
(Zone 7b)

September 28, 2013
9:06 AM

Post #9672320

Indy that would be excellent- mustard grows well as a winter crop in zone 8 which I can manage in some places here...after it gets super hot-spicy in spring, it could be chopped up for green manure.

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