Question:medium

Which of the following are warm season turf grasses?
(A). Cynodon dactylon
(B). Lolium perene
(C). Paspalum notatum
(D). Agrostis palustris

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Warm-season turfgrasses include Bermuda grass (Cynodon dactylon), Bahia grass (Paspalum notatum), and Zoysia grass.
Cool-season turfgrasses include Bentgrass (Agrostis), Ryegrass (Lolium), and Bluegrass (Poa).
  • (A) and (B) only
  • (A) and (C) only
  • (B) and (D) only
  • (C) and (D) only
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The Correct Option is B

Solution and Explanation

To determine which of the given grasses are warm season turf grasses, we need to understand the characteristics and classifications of these grasses:

  1. Cynodon dactylon (Bermudagrass): This is a warm season grass commonly used in tropical and subtropical regions. It thrives in warm temperatures and is known for its ability to recover quickly from damage.
  2. Lolium perene (Perennial Ryegrass): This is a cool season grass that grows well in temperate climates and is used commonly in areas with cooler temperatures.
  3. Paspalum notatum (Bahiagrass): A warm season grass, native to South America, and known for its heat and drought tolerance, making it suitable for sandy soils and hot climates.
  4. Agrostis palustris (Creeping Bentgrass): This grass is a cool season type and prefers temperate climates, often used for golf courses and other areas requiring fine-textured turf.

From the above information, it is clear that:

  • Cynodon dactylon and Paspalum notatum are warm season grasses.
  • Lolium perene and Agrostis palustris are cool season grasses.

The correct answer is therefore option (A) and (C) only, as they represent the warm season turf grasses.

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