597206 Disclosed herein is a control agent for soft rot of a plant comprising 3-chloro-N-(3-chloro-5-trifluoromethyl-2-pyridyl)-alpha,alpha,alpha-trifluoro-2,6-dinitro-p-toluidine as an active ingredient when used for control of soft rot of a plant, and a control method for soft rot of a plant comprising applying an effect amount of said control agent to plant cultivation soil.
