Which statement correctly describes the issue of weed regrowth after mowing?

The statement that mowing does not remove the roots, allowing regrowth, correctly captures a key aspect of how mowing interacts with weed management. When weeds are mowed, the above-ground parts of the plant are cut, but the roots remain intact within the soil. Since the root system is still alive and functional, it can regenerate and produce new shoots. This regrowth can occur quickly, especially for perennial weeds, which have extensive root systems that can sustain them even after being cut back.

Mowing is often used as a temporary management tool to control the height of weeds and to prevent them from producing seeds, but it does not address the underlying problem of the root system. This allows the weeds to rebound and reestablish themselves rapidly, making it necessary to incorporate additional control methods for long-term management.

The other statements do not accurately portray the effectiveness and limitations of mowing as a control method. Mowing does not eliminate all weed species, nor is it regarded as the most effective control method on its own. It primarily serves to reduce the size of the infestations and prevent seed production rather than to fully eradicate the weeds.