Abstract Gowan Company recently registered benzobicyclon, a WSSA Group 27 herbicide, as postflood option in rice. It is the first 4-hydroxyphenylpyruvate dioxygenase-inhibiting herbicide commercially available mid-southern U.S. rice production. In 2018 and 2019, field experiments were conducted across multiple sites Arkansas to determine if addition of benzobicyclon quizalofop- or imidazolinone...
