PROBLEM TO BE SOLVED: To provide a mowing cord having biodegradability, excellent sharpness and breakage resistance, and a small wear amount.SOLUTION: A mowing cord is a cord obtained by melt spinning of a polylactic acid resin composition comprising (A) polylactic acid resin 100 pts.mass and (B) plasticizer 10-30 pts.mass. The L body or D body content of the (A) polylactic acid resin is 5.5-10%.