Monsanto Co. expects to begin selling new soybean seeds resistant to a broader range of herbicides in 2016 pending regulatory approvals in major agricultural countries, executives said on Wednesday.

The seeds, which Monsanto intends to pair with a new and stronger weedkiller, are "on track for U.S. regulatory approval toward the end of the year" and are expected to earn international approvals in 2015, according to Robert Fraley, Monsanto's chief technology officer.

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