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• Charudattan, R., Y.M. Shabana, J.T. DeValerio, and E.N. Rosskopf. 1995. Broad-spectrum bioherbicide to control several species of pigweeds and methods to use. U.S. Patent No. 5,393,728. February 28, 1995.

• Charudattan, R., Y.M. Shabana, J.T. DeValerio, and E.N. Rosskopf. 1996. Phomopsis species fungus useful as a broad-spectrum bioherbicide to control several species of pigweeds. U.S. Patent No. 5,510,316. April 23, 1996.

• Kadir, J. and Charudattan, R. 1997. Control of Cyperus spp. with a fungal pathogen. U.S. Patent No. 5,698,491. December 16, 1997.

• Kadir, J. and Charudattan, R. 1999. Control of Cyperus spp. with a fungal pathogen. U.S. Patent No. 5,945,378. August 31, 1999.

• Chandramohan, S., and Charudattan, R. 2001.  Enhanced bioherbicidal control of weeds using multiple pathogens.  U.S. Patent No. 6,265,347 B1.  July 24, 2001.