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How to Manage Pests

Pests in Gardens and Landscapes

Identification and confirmation—Close planting

Carrots that have been planted too close together have symptoms that are also characteristic of overwatering, nematodes, hard soils, or root dieback (Pythium spp.).

Root knot nematode damage on carrot
Root knot nematode damage on carrot

Statewide IPM Program, Agriculture and Natural Resources, University of California
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For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance. /PMG/GARDEN/VEGES/ENVIRON/idcloseplant.html revised: August 17, 2009. Contact webmaster.