TAMU SCSC 302 Exam 3| 239 Questions| With Complete Solutions

Which of the following is not a major component of an in-ground turfgrass irrigation system: correct answer: Weather station Which broadleaf weed is also known as 'pigweed'? correct answer: Purslane Match each of the following turfgrasses with their geographic origins: correct answer: Bermudagrass - South Africa Zoysiagrass - Asia Bahiagrass - South America Kikuyugrass - East Africa Tall Fescue - Europe Perennial Ryegrass - Europe, Asia, and North Africa Centipedegrass - China Carpetgrass - North America Which is NOT a warm season weed? correct answer: Rescuegrass What broadleaf summer perennial has noticeably heart-shaped leaves? correct answer: Oxalis Select ALL of the following that are 'annual' weeds: correct answer: Aster Goosegrass Crabgrass Chickweed Henbit Rescuegrass Sandbur Spurge Annual bluegrass Purslane One advantage to lowering mowing height is that it produces stronger plants with more extensive root systems. T/F. correct answer: False Cool season turf grasses are considered C3 ? True or False correct answer: True Identify the weed depicted in the picture below: (small white flower yellow center) correct answer: Aster The cost of slow release fertilizers is generally cheaper than soluble fertilizer types. True/False. correct answer: False Performance traits found in 'FAST' growing turfgrasses include: correct answer: Increased mowing requirements. Increased thatch problems. Decreased turf production costs. Hybrid bermudagrass is available via inexpensive seed. T or F? correct answer: False Before sandbur flowers, it can be mistaken for ___________? correct answer: Bermudagrass Identify the weed species depicted in the picture below: (green plant with small white petals) correct answer: chickweed Green Kyllinga is usually found in dry areas? correct answer: False Type of mower with the highest safety. ______________ correct answer: Flail Match each 'category' of important traits with the responses seen in turfgrasses: correct answer: growth characteristic - bunch, intermediate, sod-forming uniformity - mowing cut cleanliness density - tiller number vs. internode length color - diseases/ nutrient status wear tolerance - tensile strength biotic stress tolerance - pests abiotic stress tolerance - drought seed/ sod production - commercial viability Which type of sterilization do you cover the soil with clear plastic for 6 weeks? correct answer: Solarization Sand, silt, loam, & clay are the primary classes of soil particles. True or False. correct answer: False Amendments are macronutrients. True or False? correct answer: False Which of the following weeds can be an indicator of low soil N: correct answer: Clover Which weed has square stems, small, pink flowers, grows up to 16 inches in height and is in the 'Mint' family? correct answer: Henbit Aerification increases the movement of all except which of the following into the soil? correct answer: Light Select ALL of the following that are 'native' turfgrass species: correct answer: Inland Saltgrass Blue Grama Buffalograss Curly Mesquite Identify the weed species depicted in the picture below: (it literally is a clover) correct answer: Clover All weeds are inedible. T/F? correct answer: False