Root Knot Nematodes

I had a modified laundry basket full of Basil and one Parsley plant in Pro Mix. The basil is gone, and when I dug up the parsley, the roots were gnarled and warty. I didn’t take a pic and that was a few days ago, but I’m sure it was RKN.

I had intended on reusing the pro mix, but I don’t want to give RKN to my healthy plants. That said, pro mix is a valuable commodity to me, I can’t afford to let it go to waste. Can I just pour a few pots of boiling water over it and consider it cleansed?

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I think the better option for sterilizing potting mix is to bake batches in the oven in the largest oven dish you have. Can use a meat thermometer to make sure the internal temperature reaches sterilization temperatures.

Boiling water poured over it will not uniformly heat the soil.

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stove top in a covered top at low heat for a longer time than high heat for shorter time. You can also dry it out in pans before heating it.

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The oven would be more practical for me than the stove top. ¿Is the stove preferable over the oven?

I need to get my hands on a meat thermometer.

@Caesar

Dont stink up the inside of your house cooking that dirt. It is valuable but get a cheap tinfoil pan or one you dont care about and cook it on a campfire or over the bbq grill. The reason i know it stinks up your house is because i have done it. It kills everything good and bad in the mix.

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It is a rather large batch… it’d probably take me several batches over a couple of days, in the oven. How long do I cook it in a grill? And how do I set up the fire? I’ve never actually grilled anything in my life. :sweat_smile:

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Per UC ANR, 5 minutes with a soil temp above 130 or 30 at 125+ is all you need. It seems like this is a general prescription for all Meloidigyne species though perhaps it varies.

Given your location, I think laying it in a thin layer on pavement and covering with a clear plastic sheet (e.g. 0.4mm plastic sheets for painting) on a hot sunny day would do the trick if you have a spot.

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I like this one, I think I’ll go with that. Thank you!

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