... , Southeast Asia, South American TerbutrynCAS #: 886-50-0 Categories: Herbicides Description:NOMENCLATURECommon name: terbutryn; terbutryneIUPAC name ... cotton and peanuts. Also used post-emergence (0.2-0.4 kg/ha) in cereals, (1-3 ... Algae: EC50 (7 d) for Selenastrum capricornutum 0.013 mg/l.Other aquatic spp.: EC50 ( ... 10 weeks, depending upon rate of application,soil type, and weather. DT50 in soil 14-50 ...