The aim of this study was to evaluate the effects of pre-harvest desiccant

herbicides on the yield and the physiological and technological quality of cowpea seeds

after harvest and after storage. The experiment was conducted in a randomized block

design with four replications. A split-plot design (6 × 2) was composed of the desiccant

herbicides flumioxazin (30 g ai.ha-1), glufosinate ammonium (500 g ai.ha-1), paraquat (400 g

ai.ha-1), saflufenacil (70 g ai.ha-1), and carfentrazone (24 g ai.ha-1) and an untreated control,

as well as two seed evaluation periods, at harvest and six months after h arvest. Desiccants

were applied at the R5 stage. The desiccants affected the yield, classification, color, and

physiological quality of seeds of ‘BRS Guariba’. The glufosinate ammonium and paraquat

herbicides compromised seed physiological quality. Flumioxazin did not affect seed yield

components, color, and physiological quality. Storage at 20 °C for six months affected seed

physiological quality.