Imazethapyr
treatment was applied to all saflufenacil treatments. Rice injury increased with doses of saflufenacil and
injury up to 83% was observed at 7 DAA when 50 g ha1 was applied EPOST. Subsequent evaluations
indicated less injury over time demonstrating rice recovery from saflufenacil treatments. No injury was
observed in the imazethapyr treatment alone. Rice plants seemed to recover faster from LPOST application
injury than EPOST. Hemp sesbania control was 88% in all saflufenacil treatments in evaluations
conducted before harvest indicating effective control throughout the growing season. Red rice control
was 100% for all treated plots containing imazethapyr in both years. Therefore, imazethapyr control of
red rice was not adversely affected by tank-mixing with saflufenacil. Although injury was significantly
higher in the highest doses of saflufenacil, rice yield was not adversely altered by the herbicide treatments.
In summary, rice was injured at the highest doses of saflufenacil, but injury did not reduce rice
yield. Hemp sesbania was effectively controlled by saflufenacil (>90% on average). No antagonistic
interactions between saflufenacil and imazethapyr were observed with red rice control. Saflufenacil
appears to be an effective herbicide candidate for broadleaf control in rice.