Corn Rootworm - Part 2: Corn Rootworm Management

Overview and Objectives - CRW Part 2 This lesson will discuss economic thresholds and management options related to the corn rootworm complex consisting of the northern, western, and southern corn rootworm, with emphasis on the northern and western species. The information in this lesson will focus on the north central Corn Belt, including Iowa and Nebraska. Crop producers, crop scouts, students, and the general public may find this lesson helpful for obtaining information about developing a management plan to control corn rootworm. At the end of this lesson readers should be able to: Describe sampling and economic thresholds for CRW Identify and explain different management options Explain Insecticide Resistance Management (IRM) Describe five refuge designs and their importance Modules: Lesson home Overview and Objectives - CRW Part 2 CRW Sampling and Economic Thresholds CRW Management Options Cultural Management Chemical Management Other Considerations for CRW Control Host Plant Resistance Insecticide Resistance Management (IRM) Summary - CRW Part 2 References - CRW Part 2 Video