Management of Cabbage Caterpillars in Florida and Georgia by Using Visual Damage Thresbolds

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Abstract:

Cabbage was sprayed with permethrin according to 3 pest management schedules and 5 visual damage thresholds. When damage to cabbage was assessed throughout the growth cycle by using a threshold of 1–2 holes/plant, there were reductions of 4–12 sprays from a fixed weekly or 2x weekly spray schedule but no significant losses in % marketable heads. The use of a visual threshold of 1–2 holes/plant was as effective as larval counts for making treatment decisions and was less time consuming. Caterpillar damage before head leaves formed had no significant effect on production of marketable plants.

Document Type: Research Article

Publication date: June 1, 1979

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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