MINNEAPOLIS (AP) — Swiss agribusiness giant Syngenta said Tuesday it has agreed to settle tens of thousands of U.S. lawsuits by farmers over the company's rollout of a genetically engineered corn seed variety before China approved it for imports.

Terms weren't disclosed. Syngenta said in a statement that the settlement would establish a fund to pay claims by farmers and others who contracted to price corn or corn byproducts after Sept. 14, 2013. Details will be announced after the agreement is submitted for court approval later this year, it said.

Syngenta began selling Viptera to U.S. farmers...