In nurseries, plants with some of the above symptoms characteristically occur in scattered clumps. Nematodes may already be present in the nursery soil and be spread by tilling, soil movement, and run-off. Nematodes can be brought into a previously uninfested nursery on rooted plants. Field Fumigate planting area with a material listed below before planting. Plant nematode-free material.
Containers Use sterile potting mix.
Avoid contaminating potting mix with untreated soil. Plant nematode-free material. Areas known to be infested can be fumigated before planting. Post-plant chemical treatments by homeowners are not recommended. Remove severely affected plants.