Radish seed-Cutworm

Various species

Pest description and crop damage Dull gray, brown, or black caterpillars. They are active at night and can be found in the soil by day. They cut off young plants at ground level, or feed on foliage, buds, and bloom of older plants.

Management-chemical control

  • chlorpyrifos (Lorsban Advanced) at 1 quart/a (0.94 lb ai/a). PHI 7 days. REI 24 hr. Do not make more than one application per year. This product is highly toxic to bees exposed to direct treatment or residues on blooming crops or weeds. Evening or night time applications when foragers are not present reduce exposure hazards. Do not apply to radishes in bloom. Toxic to fish, aquatic invertebrates, small mammals and birds. Do not apply directly to water or to areas where surface water is present. Follow mandated buffer zone restrictions on the label. Do not apply through any type of irrigation system. No portion of treated plants can be used for food or feed. 24c SLNs: OR-090012 (expires 12/31/18). Oregon only.

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