Monsanto Co (MON.N), having ditched an audacious $46 billion offer for Syngenta AG (SYNN.VX), may downshift to a humbler strategy of beefing up its crop protection portfolio through other acquisitions, partnerships and licensing agreements. On Wednesday, Monsanto said it was focused on its core businesses and plans to resume its two year, $10 billion share repurchase program, which was put on hold while it was bidding for Syngenta. Monsanto declined to say anything more about its next move, including which companies might be the St.