Monday, 18 November 2002 - 8:24 AM
0376

This presentation is part of : Ten-Minute Papers, Section E. Extension and Regulatory Entomology and F. Crop Protection Entomology

Crop rotation to reduce damage from garden symphylans (Scutigerellia immaculata Newport) in western Oregon

Jon Umble, Oregon State Univesity, Department of Entomology, Cordley Hall 2046, Corvallis, OR and James Fisher, USDA-ARS, Horticultural Crop Research Lab, 3420 NW Orchard Ave, Corvallis, OR.

Garden symphylans (Scutigerella immaculata Newport) are a key species in the predominantly phytophagous Symphyla family Scutigerellidae. S. immaculata have been economic pests of the roots and other below-ground plant parts in western OR since the 1920s. The omnivorous habits (100 hosts in Oregon) of S. immaculata confound management. Crop rotation tactics were investigated to reduce damage from S. immaculata. Susceptibility to S. immaculata feeding varied among selected crops in the laboratory and in the field. Cultivation of a potato crop (Solanum tuberosum L.) was found to reduce populations lower than if sweet corn (Zea mays L.) or no crop was planted.

Species 1: Cephalostigmata Scutigerellidae Scutigerella immaculata (garden symphylan, symphylid)
Keywords: soil ecology

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