ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,674, issued on Sept. 9, was assigned to Monsanto Technology LLC (St. Louis).

"Methods and compositions for controlling plant viral infection" was invented by Charles Hagen (Davis, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and compositions for treatment and prevention of Potexvirus disease in plants are provided, including methods and compositions employing double-stranded RNA polynucleotides and a transfer agent. Further provided are compositions for treatment or prevention of Potexvirus disease in plants, and methods for reducing expression of a Potexvirus gene and for identifying polynucleotides useful in modulating gene expre...