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how to kill EAB in mulch?

Gilbert Fritz

pollinator

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Location: Denver, CO

posted 6 years ago

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Is there any safe way to kill off possible Emerald ash borers in a pile of wood chips?

Bryant RedHawk

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Location: Arkansas - Zone 7B/8A stoney, sandy loam soil pH 6.5

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posted 5 years ago

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As far as I know there are two safe methods you can use. First is diatomaceous earth and the second is Borax. Both would be powders, mix into the wood chips and then sprinkle on top all over.

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Michael Newby

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Location: Mount Shasta, CA Zone 8a Mediterranean climate

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posted 5 years ago

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If the chips came from a wood chipper (instead of a grinder) then EAT won't survive the small chip size (one dimension <1").

If the chips are larger you can also cook the critters by putting a layer of black plastic over them and seal the edges with a layer of dirt. The chips need to be in direct sunlight for a good amount of the day for a couple of weeks to guarantee total mortality.

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