Re: Making My Own Insecticide with Canola Oil and Dawn Dish Soap
I've used the dawn advanced and water in a 5 gal bucket to soak banana roots in after coming out of the greenhouse after winter if they have any fungus gnats. I pull the rootball out of the pot and let it soak in the dawn for 30 minutes or more. Afterwards I flush water through the plant and replant. Kills the gnat colony and the plant has never been effected. I've also used dawn to make oil/soap spray. It did nothing!! To the plant or the insects lol. For me its a waste of time. I need something stronger when I rarely need something.
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