Interactions of Fenoxaprop-ethyl with Bensulfuron and Bentazon in Dry-Seeded Rice (Oryza sativa)

Field experiments were conducted in 1993 and 1994 to evaluate barnyardgrass control with fenoxaprop-ethyl applied alone or in a mixture with bentazon or bensulfuron. Bensulfuron at 52 g ai/ha did not reduce barnyardgrass control with fenoxaprop-ethyl applied at rates of 56, 75, or 94 g ai/ha. In contrast, mixing bentazon at 1.1 kg ae/ha with fenoxaprop-ethyl reduced barnyardgrass control and rice yield compared with fenoxaprop-ethyl applied alone or mixed with bensulfuron.