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Name:  Andrew
Status:   other
Age:   old
Location: N/A
Country: N/A
Date: Around 1999
Question:
A friend has discovered that potatoes grown under a walnut tree have no potato bugs. Is juglone toxic to insects and if so, which?

Replies:
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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