Not-So-Innocent Weeds

Bryan Curry

LibertyLink® soybeans will always find a place in Bryan Curry’s fields. The Olmsted, Ill., producer who has been farming for 20 years raises about 1,700 to 1,800 acres of soybeans a year, and for the past two years his entire crop is LibertyLink.

Curry was noticing herbicide resistance occurring in marestail and pigweed, his two biggest threats in soybean, so in 2014, he applied Liberty® herbicide 28 days after planting. “That was a severe issue that was just taking over and there really is no product on the market that will kill it but Liberty,” Curry said of the marestail invasion. “There are resistance issues out there, but some farmers don’t want to believe it.”

Mike Ellis raises about 600-700 acres of soybeans on the three-generation southern Iowa family farm. “We’ve been fighting pigweed in this area the last three years. You have to spray two or three different times and we’ve still got weeds,” he said.

Ellis recalls spraying pigweed (Palmer amaranth) three times two years ago. With herbicide resistance becoming an issue, he switched to 350 acres of LibertyLink seed in 2014 for the first time. “We’ve been very, very happy with them,” he said. “The weed control has been awesome this time.”

Ellis applied a burn-down herbicide on his no-till land, then planted five days later. An application of Liberty herbicide on July 1 offered nonselective post-emergence control of the tough weeds.

You don’t sacrifice production by properly managing weed control. Since Ellis and Curry selected LibertyLink soybeans, they both have hit top yields, another important concern when selecting a variety.

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