The pilot reported that he was executing an off-airport precautionary landing due to unanticipated gusty winds and turbulence. Just before touchdown the pilot made a sudden right turn to avoid a single wire electric livestock fence when "the right wing then suddenly stalled" and control was lost. The airplane impacted terrain causing substantial damage to the fuselage frame, both wings, and the engine mount, but remained upright. The pilot stated that he had more experience in weight shift control light sport airplanes and that the throttle in that type of aircraft was controlled with the right foot. He commented that during the sudden right turn he might have inadvertently applied full right rudder thinking that he was applying full throttle. The pilot reported no preimpact mechanical anomalies or failures with the airplane.