Wild Mustard,Sinapis arvensis, Control in Common Buckwheat,Fagopyrum esculentum, with Desmedipham and Fluorochloridone

Abstract

Desmedipham applied at 0.5 kg ai/ha at the 4-leaf stage of common buckwheat controlled wild mustard over 90%. Desmedipham at 1.0 kg/ha at the 2- and 6-leaf stages also controlled wild mustard approximately 90%, at least in 1985, but significantly injured the crop. Fluorochloridone controlled wild mustard over 90% when applied preplant incorporated at 1.0 kg ai/ha or preemergence at 0.28 to 0.56 kg/ha. Fluorochloridone applied postemergence at 0.10 to 0.20 kg/ha also controlled wild mustard over 90% but injured common buckwheat by 41 to 57%.