World of Turf TOP Exam Guide Questions and CORRECT Answers Centipedegrass has superior submersion tolerance than St. Augustinegrass. - ✔✔✔ false Generally speaking, cool -season turfgrasses are more drought resistance than warm -season turfgrasses. - ✔✔✔ false Zoysiagrass has greater low -temperature hardiness than c entipedegrass - ✔✔✔ true Annual bluegrass is more drought resistance than perennial ryegrass. - ✔✔✔ false Evapotranspiration does not include water lost from leaf surfaces. - ✔✔✔ false Perennial ryegrass has greater low -temperature hardiness that Kentucky bluegrass. - ✔✔✔ false Water -use rate is the total amount of water needed for turfgrass growth minus the quantity lost via evapotranspiration. - ✔✔✔ false Which of the following turfgrasses has the best shade tolerance? - ✔✔✔ Fine-leaf fescues, St. Augustin egrass Creeping bentgrass is more drought resistance than perennial ryegrass. - ✔✔✔ false Kentucky bluegrass is more drought resistance than buffalograss. - ✔✔✔ false Which of the following Turfgrasses has the least shade tolerance? - ✔✔✔ Kentucky bluegras s Once a turfgrass reaches maturity, its microclimate is at an equilibrium and remains constant until a different species is introduced. - ✔✔✔ false Kentucky bluegrass is more drought resistance than creeping bentgrass. - ✔✔✔ true When soil moisture is no t limited and soil temperatures are optimal, all turfgrasses grow best in full sun. - ✔✔✔ true Which of the following are important factors affecting microclimates? - ✔✔✔ All of these are important. Creeping bentgrass has greater low -temperature hardiness than annual bluegrass. - ✔✔✔ true Which of the following is a mechanism involved in soil -water uptake by the roots. - ✔✔✔ Transpiration, Osmisis Rootzone conditions are an important aspect of a turf' s microenvironment. - ✔✔✔ true As a whole, cool -season turfgrasses can tolerate atmospheric pollution better than warm -
season turfgrasses. - ✔✔✔ false In terms of turfgrass adaptations, which of the following situations generally has the least influence on climate? - ✔✔✔ Longitude As a whole, warm -season turfgrasses can tolerate salinity better than cool -season turfgrasses. - ✔✔✔ true St. Augustinegrass has greater low -temperature hardiness than tall fescue. - ✔✔✔ false Creeping bentgrass has better submers ion tolerance than Kentucky bluegrass. - ✔✔✔ true Generally speaking, cool -season turfgrasses have better shade tolerance than warm -season turfgrasses. - ✔✔✔ true Perennial ryegrass has greater low -temperature hardiness than Kentucky bluegrass. - ✔✔✔ False Creeping bentgrass has more drought resistance than perennial ryegrass. - ✔✔✔ false Tall fescue is more drought resistance than perennial ryegrass. - ✔✔✔ true Zoysiagrass has greater low -temperature hardiness than centipedegrass. - ✔✔✔ true Unit 6 - ✔✔✔ ! In the southern U.S., annual bluegrass exists as a (or an) ... - ✔✔✔ winter annual only In the northern U.S., annual bluegrass exists as a (or a) ... - ✔✔✔ annual or as a perennial Tall fescue adaptation is restricted to the humid zone. - ✔✔✔ false With turfgrasses, microclimatic adaptation is often identified using USDA Plant Hardiness Zones (same as with ornamentals). - ✔✔✔ false In the northern U.S., annual bluegrass exists as a (or a) - ✔✔✔ annual or as a perennial Kentucky bluegrass has greater low-temperature hardiness than annual bluegrass. - ✔✔✔ true Tall fescue has greater heat resistance than Kentucky bluegrass. - ✔✔✔ true The ability of tall fescue to withstand drought is actually attributed to its: - ✔✔✔ deep root system. Which of the foll owing has the greatest low -temperature hardiness? - ✔✔✔ Creeping bentgrass, Buffalograss Kentucky bluegrass has greater heat resistance than annual bluegrass. - ✔✔✔ true The temperature range at a 2 -inch soil depth for optimal top growth of cool -season turfgrasses is: - ✔✔✔ 60-75 F Not counting roadsides, the majority of turfgrass acreage in the U.S. is in non -rural areas. - ✔✔✔ true St. Augustinegrass is more prevalent than centipedegrass in South Florida. - ✔✔✔ true The temperature range at a 2 -inch soil depth for optimal top growth of warm -season turfgrasses is: - ✔✔✔ 80-95 F Which of the following is (or are) native to the U.S.? - ✔✔✔ Buffalograss In the southern U.S. annual bluegrass exists as a (or an) - ✔✔✔ winter annual only Not counting roadsides, the majority of turfgrass acreage in the US is in non -rural areas - ✔✔✔ true Kentucky bluegrass has a greater heat resistance than annual bluegrass - ✔✔✔ true Which of the following has the greatest range of adaptation? - ✔✔✔ Zoysiag rass Tall fescue adaptation is restricted to the humid zone - ✔✔✔ false
season turfgrasses. - ✔✔✔ false In terms of turfgrass adaptations, which of the following situations generally has the least influence on climate? - ✔✔✔ Longitude As a whole, warm -season turfgrasses can tolerate salinity better than cool -season turfgrasses. - ✔✔✔ true St. Augustinegrass has greater low -temperature hardiness than tall fescue. - ✔✔✔ false Creeping bentgrass has better submers ion tolerance than Kentucky bluegrass. - ✔✔✔ true Generally speaking, cool -season turfgrasses have better shade tolerance than warm -season turfgrasses. - ✔✔✔ true Perennial ryegrass has greater low -temperature hardiness than Kentucky bluegrass. - ✔✔✔ False Creeping bentgrass has more drought resistance than perennial ryegrass. - ✔✔✔ false Tall fescue is more drought resistance than perennial ryegrass. - ✔✔✔ true Zoysiagrass has greater low -temperature hardiness than centipedegrass. - ✔✔✔ true Unit 6 - ✔✔✔ ! In the southern U.S., annual bluegrass exists as a (or an) ... - ✔✔✔ winter annual only In the northern U.S., annual bluegrass exists as a (or a) ... - ✔✔✔ annual or as a perennial Tall fescue adaptation is restricted to the humid zone. - ✔✔✔ false With turfgrasses, microclimatic adaptation is often identified using USDA Plant Hardiness Zones (same as with ornamentals). - ✔✔✔ false In the northern U.S., annual bluegrass exists as a (or a) - ✔✔✔ annual or as a perennial Kentucky bluegrass has greater low-temperature hardiness than annual bluegrass. - ✔✔✔ true Tall fescue has greater heat resistance than Kentucky bluegrass. - ✔✔✔ true The ability of tall fescue to withstand drought is actually attributed to its: - ✔✔✔ deep root system. Which of the foll owing has the greatest low -temperature hardiness? - ✔✔✔ Creeping bentgrass, Buffalograss Kentucky bluegrass has greater heat resistance than annual bluegrass. - ✔✔✔ true The temperature range at a 2 -inch soil depth for optimal top growth of cool -season turfgrasses is: - ✔✔✔ 60-75 F Not counting roadsides, the majority of turfgrass acreage in the U.S. is in non -rural areas. - ✔✔✔ true St. Augustinegrass is more prevalent than centipedegrass in South Florida. - ✔✔✔ true The temperature range at a 2 -inch soil depth for optimal top growth of warm -season turfgrasses is: - ✔✔✔ 80-95 F Which of the following is (or are) native to the U.S.? - ✔✔✔ Buffalograss In the southern U.S. annual bluegrass exists as a (or an) - ✔✔✔ winter annual only Not counting roadsides, the majority of turfgrass acreage in the US is in non -rural areas - ✔✔✔ true Kentucky bluegrass has a greater heat resistance than annual bluegrass - ✔✔✔ true Which of the following has the greatest range of adaptation? - ✔✔✔ Zoysiag rass Tall fescue adaptation is restricted to the humid zone - ✔✔✔ false
