BASF SE (BAS), the world’s biggest chemical maker, may withdraw genetically modified crop research from Germany in response to growing political opposition, three people familiar with discussions said. The maker of the Amflora scientific potato is considering the future of its research facility in rural Limburgerhof in southwestern Germany, said the people, who asked not to be identified because the plans aren’t public. A move to the U.S. is possible for the plant biotechnology operations, which employ 700, said one of the people.