Corn rootworm damage can make it difficult for the plant to take up moisture and nutrients. A weak root system also makes the crop vulnerable to wind events. Pioneer field agronomist Clyde Tiffany says corn rootworm damage is more common on fields with corn-on-corn. “People have to think about managing that, whether it is an insecticide or rotation,” said Tiffany. “If you have long-term continuous corn, you probably want to break it. Putting soybeans in there will stop that western corn rootworm for a few years.” If farmers see lodging, Tiffany recommends digging up roots and wash them off. Roots should be healthy and bright. Tiffany was featured in the latest Pioneer Agronomic Update.
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