Abstract
Abstract Selected herbicides were evaluated for control of southern yellow wood sorrel (Oxalis dillenii Jacq.) in three experiments. Control varied depending on rate of application and the time interval after application. Herbicides providing excellent control (less than one weed/pot) 8 weeks after treatment with the 0.5 × rate included: oxyfluorfen, 1.1 kg·ha–1; oryzalin, 2.2 kg·ha–1; and oxyfluorfen + oryzalin, 1.7 kg·ha–1. Control 18 weeks after treatment was excellent at the 1× rate with oryzalin (4.5 kg·ha–1) and at the 2× rates with oryzalin (9.0 kg·ha–1), oxyfluorfen (4.5 kg·ha–1), and a combination of the two. Chemical names used: 2-chloro-l-(3-ethoxy-4-nitrophenoxy)-4-(trifluoromethyl)benzene (oxyfluorfen); 4-(dipropylamino)-3,5-dinitrobenzenesulfonamide (oryzalin).
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