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Recent dry conditions could fuel corn root worm pressure

A midwestern agronomist says fields in dry areas last fall could see increased corn root worm pressure this season.

Eric Wilson with Wyffels Hybrids tells Brownfield his home state of Iowa is coming out of a significant drought.

“That creates a really good environment for corn root worm to lay their eggs and have good winter survival.”

He says wetter conditions in late May and early June would be good for corn root worm management.

“It can actually drown out a lot of those corn root worm larvae as they have just hatched and start to emerge.”

Wilson says Wyffels tracks corn root worm pressure every year and it is the pest he is most concerned about for the 2023 season.   

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