Corn Rootworm Monitoring Program Guides Growers in Making Informed Management Decisions
As corn rootworm (CRW) pressure spikes in the Midwest, Syngenta is helping growers minimize the long-term impact through a robust monitoring program to guide long-term management strategies. So far this season, Syngenta monitoring has seen a rise in CRW threats, likely the result of a turbulent 2019 where less-than-ideal weather resulted in delayed planting, combined with dry conditions this spring.
“We’ve seen heavier than normal CRW pressure throughout the U.S., with the heaviest pressure observed in the key rootworm geographies of northern Illinois, Iowa, Wisconsin, southern Minnesota, Nebraska, and Colorado,” said Andy Heggenstaller, head of agronomy for Syngenta Seeds. “Although these are the highest populations we’ve recorded in the past five years, the good news is that our monitoring program is also finding that growers who are incorporating multiple management practices are getting ahead of the challenge.”
Long-term CRW management requires a multi-year, whole-farm approach that includes the integration of multiple control measures, not a singular technology. For growers looking to effectively control CRW, Syngenta recommends having a plan in place for each field that includes multiple control strategies including crop rotation, corn rootworm-traited corn hybrids, soil-applied insecticides, and adult beetle management.
The monitoring program, announced this spring, was designed to provide growers with the support they need to monitor adult CRW in their fields and supply knowledge to help make better, more informed management decisions. One tactic that has benefited growers is the use of yellow sticky traps, an easy and reliable tool for estimating CRW populations in corn fields.
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