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Q.How Much 3% Hydrogen Peroxide To Use As Soil Drench To Kill Parasitic Nematodes That Attack My Parsley?

Zone 78653 | Anonymous added on June 21, 2021 | Answered

Or is 12% better? 35% is too hard to come by and you seem to have to dilute it by 1 part to 10 anyway, so doesn’t that just dilute it down to 3.5% anyway? I am in Austin, TX and my parsley plants, random locations all over the yard, so it’s not a “soil/fungus thing”, are beautiful one day, then the very next day wilt, die, have squishy roots. I suspect the rust fly, but don’t think they are IN central Texas?

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