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Worms in Plum Tree Roots: Earthworms vs. Borers

Identifying Root-Zone Worms in Plum Trees

If the worms are earthworms, they're beneficial—leave them alone. If they're plump, white larvae boring into roots, they're likely root borers (e.g., peachtree borer larvae).

Action Steps

Contact University of Illinois Extension for specific control recommendations.
Do not apply pesticides without positive ID.
Beneficial nematodes may offer biological control for some soil pests.

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