Distribution and harmfulness of turf weed species in Loudi City

The distribution and harmfulness of turf weed species in Loudi City were investigated, and statistical methods were applied to analyze the importance value and other indices. Sixty-eight turf weed species in Loudi City were identified based on field surveys, information from herbariums,and literature reviews. They belonged to 58 genera of 28 families, in which Compositae,Gramineae, and Apiaceae were the dominant families. The 13 dominant species included Erigeron annuus, Alopecurus aequalis, and Imperata cylindrica, which should be the target weeds for control. This research provides some important data for the prevention, control, and comprehensive utilization of the turf weeds in Loudi City, and a reference for similar studies in other parts of the world.