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How to Manage Pests

Pests in Gardens and Landscapes

Identification and confirmation—Rocky soil

The forking and stubbing of carrot roots characteristic of hard soil can also be caused by nematodes, overwatering, or root dieback (Pythium spp.).

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

Statewide IPM Program, Agriculture and Natural Resources, University of California
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