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Name:  Andrew
Status:   other
Age:   old
Location: N/A
Country: N/A
Date: Around 1999  

A friend has discovered that potatoes grown under a walnut tree have no potato bugs. Is juglone toxic to insects and if so, which?

Check with an entomologist

Juglone's effects on black walnut and other plants has been studied but not sure about insects.

Anthony R. Brach, Ph.D.

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