CSS 202: Quiz 6 Macroclimate Adaptations Updated 2024/2025 Verified 100%

The temperature range at a 2-inch soil depth for optimal top growth of cool-season turfgrasses is: - 60-75 F The temperature range at a 2-inch soil depth for optimal top growth of warm season turfgrasses is: - 80-95 F In the Southern U.S. annual bluegrass exists as a (or an) ... - winter annual only Kentucky bluegrass has greater heat resistance than annual bluegrass - true Kentucky bluegrass has greater low-temperature hardiness than annual bluegrass - true St. Augustinegrass is more prevalent than centipedegrass in South Florida - true Tall fescue adaption is restricted to the humid zone - false Tall fescue has greater heat resistance than Kentucky bluegrass - true The ability of tall fescue to withstand drought is generally attributed to its: - deep root system n the northern U.S. annual bluegrass exists as a (or a)... - NOT summer annual only The land area situated between the Cool Zone and the Warm Zone is termed the ______ Zone - Transition Which of the following has the greatest heat resistance? - buffalograss St. Augustinegrass bermudagrass **none of these in particular - all of them have excellent heat resistance** Which of the following has the greatest range of adaption? - zoysiagrass Which of the following is native to the U.S.? - buffalograssWith turfgrasses, microclimatic adaption is often identified using USDA Plant Hardiness Zones (same as with ornamentals) - false Not counting roadsides, the majority of turfgrass acreage in the U.S. is in non-rural areas - True Which of the following has the greatest low-temperature hardiness? - creeping bentgrass and buffalograss