Springtails, which range from 0.3 – 7.0 mm in length, are an integral and beneficial part of the soil community, with different species being active at various points in the process of decomposing organic matter to humus. We evaluated both the abundance of individual springtail species and the diversity of the springtail community during 2000-2002 in rootworm-resistant Bt corn (Cry 3 Bb) field trials at Monmouth, IL and Ames, IA. Springtails were collected from both pitfall traps and soil core samples from plots planted with Bt corn and a non-Bt isoline variety. Soil insecticide subtreatments were also included within either the isoline plots (Ames) or within both Bt and non-Bt plots (Monmouth). We will be presenting the results and conclusions of this study.
Keywords: transgenic, mesofauna
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