NDSU Extension weed scientist Joe Ikley says flooded spots in fields could be troublesome for late season weed control. “We’ve opened up canopies in the flooded areas. Waterhemp can germinate and go to seed this time of the year still,” says Ikley. “Watch out for pigweeds. The pigweeds that haven’t been flooded out have been putting on seed heads. Overall, waterhemp will likely be the biggest challenge in the Red River Valley.” There are some best management practices to control those drowned out spots. Ikley says the biggest challenge is in corn fields where getting a sprayer to is difficult. “2,4-D can be applied in corn after brown silk. The issue there is just the weed size at the crop stage.”
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