Soil disease control method, soil for plant cultivation, and soil disease control agent

摘要

Disclosed herein is a soil-borne disease control method capable of simply suppressing a soil-borne pathogen. The method for controlling a soil-borne disease includes applying at least one polyhydroxyalkanoic acid having a structure represented by the following formula (1) to soil: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ[-CHR-CH 2 -CO-O-]€ƒ€ƒ€ƒ€ƒ€ƒ(1) (wherein R is an alkyl group represented by C n H 2n+1 and n is an integer of 1 or more but 15 or less).