Insect Management & Insecticide Evaluations, Illinois 1998
Field, Forage, & Vegetable Crops

Compiled by: John T. Shaw and James W. Finger

Acknowledgments

Preface

Alfalfa

Efficacy of insecticides to control alfalfa weevil larvae in Southern Illinois, 1998

Corn

Efficacy of pre-plant, planting-time, pre-emergence, and rescue insecticide treatments for black cutworm control in Illinois, 1998

Efficacy of Emamectin 5SC insecticides for black cutworm control in Illinois, 1998

Efficacy of registered and experimental insecticides to control corn rootworm larvae in Illinois, 1998

Efficacy of different formulations of Regent applied at planting to control corn rootworm larvae and first-generation European corn borer in Illinois, 1998

Efficacy of different formulations of the soil insecticide Chlorpyrifos against corn rootworm larvae in Illinois, 1998

Efficacy of different formulations of the seed treatment Adage to control corn rootworm larvae in Illinois, 1998

Efficacy of registered and experimental insecticides for control of first-generation European corn borer in Illinois, 1998

The effectiveness of Beauveria bassiana for control of first- and second-generation European corn borer in Illinois, 1998

The effectiveness of Bt-corn hybrids for control of European corn borer in Illinois, 1998

Vegetables

Evaluation of efficacy of selected conventional and experimental insecticides and Bt hybrids for control of corn earworm and European corn borer on sweet corn in Illinois, 1998

Appendices

Appendix A Weather Information

Appendix B Soil Information

Appendix C Insect trap counts

Appendix D Chemical Index

Appendix E Glossary of Abbreviations

Trade names, when known, have been used through out this publication; however, their use does not constitute an endorsement by either the Illinois Natural History Survey or the University of Illinois. Some of the products referred to in this report are not yet registered for the uses discussed herein, and their use outside of an experimental context is therefore illegal.

Recommended bibliographic citation.

Shaw J. T., M. E. Gray, K. L. Steffey, R. A. Weinzierl (eds.). 1998.

Insect management and insecticide evaluations, Illinois 1998: Field, Forage, and Vegetable Crops. Center for Economic Entomology Technical Report No. 13. Illinois Natural History Survey and University of Illinois at Urbana-Champaign