Most crops grown in the Imperial Valley, except cabbage and cauliflower, are susceptible to needle nematode. To avoid infesting new fields, clean machinery and equipment with water and prevent movement of infested soil. Date of Planting . When to Treat . Damage thresholds have not been established.
Treatment is warranted whenever root knot, needle, or stubby root nematodes are present.
No materials are registered for postplant use on carrots and once tap roots are damaged, control would not be feasible. Contact your farm advisor for advice on the most effective application method for a particular situation. Contact your local county agricultural commissioner to determine the availability of a Section 18 permit for the nontarped use of this chemical. Permit required from county agricultural commissioner for purchase or use. The Regents of the University of California.