Final answer:
Creeping bentgrass has greater low-temperature hardiness than annual bluegrass, enabling it to withstand cold temperatures and continue to grow and thrive.
Step-by-step explanation:
Creeping bentgrass has greater low-temperature hardiness than annual bluegrass. This means that creeping bentgrass is better able to withstand cold temperatures compared to annual bluegrass. It is adapted to survive in colder climates and can continue to grow and thrive even during low temperatures.
One reason for this difference in low-temperature hardiness could be the genetic makeup of the two grass species. Creeping bentgrass may have genes that enable it to produce antifreeze proteins or have other mechanisms to protect its cells from freezing. These adaptations allow it to continue its metabolic processes even in cold conditions.
Another factor that could contribute to the difference in low-temperature hardiness is the growth pattern of creeping bentgrass compared to annual bluegrass. Creeping bentgrass forms a dense, low-growing mat that provides better insulation and protection against freezing temperatures compared to annual bluegrass, which has a more upright growth habit.This could be due to genetic adaptations and the growth pattern of the grass.