Integration of Host Plant Resistance and Bacillus thuringiensis Insecticides in the Management of Lepidopterous Pests of Celery

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Abstract:

Experiments were conducted to assess the combined effects of host plant resistance in Apium graveolens and Bacillus thuringiensis insecticides on damage caused by the beet armyworm, Spodoptera exigua (Hübner), and the cabbage looper, Trichoplusia ni (Hübner), under field conditions. The celeriac, A. graveolens variety rapaceum, cultivar 'PI 357333' had significantly less feeding damage than another celeriac, cultivar, 'PI 223333'. Celeriac cultivars had fewer petioles with lepidopteran feeding damage compared with celery, A. graveolens variety dulce, cultivars. When B. thuringiensis treatments significantly reduced feeding damage, the combined effect of host plant resistance and B. thuringiensis was additive, suggesting that these are compatible pest management tactics.

Document Type: Research Article

Publication date: December 1, 1995

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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