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Article: Are walnut trees causing your garden to wilt?
- Article from:
- Countryside & Small Stock Journal
- Article date:
- March 1, 2001
CopyrightCOPYRIGHT 2001 Countryside Publications Ltd. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Are plants in your garden beginning to wilt? Have you tried unsuccessfully to figure out the cause? You may want to look at the trees growing near the garden. If any of those are black walnut or butternut trees, you may have found the culprit.
"Affected plants growing near walnuts are exposed to juglone," John Hartman, plant pathologist for the University of Kentucky College of Agriculture, said. "Juglone is a toxin which can cause plants to yellow, suddenly wilt, then die. It can be found in all parts of the black walnut including leaves, stems, fruit hulls, inner bark and roots. Other walnuts and related trees, such as hickories and pecans, also produce ...