Question:
Given below are two statements:
Statement (I): Lawn grass, Cynodon dactylon L. is most widely used on lawn, roadsides, parks, school ground, playgrounds, golf courses and other areas where a close mown dense turf is required.
Statement (II): Cynodon dactylon L., Stenotaphrum secundatum and Paspalum notatum are cool season grasses and highly suitable for lawn making in cool areas.
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement (I): Lawn grass, Cynodon dactylon L. is most widely used on lawn, roadsides, parks, school ground, playgrounds, golf courses and other areas where a close mown dense turf is required.
Statement (II): Cynodon dactylon L., Stenotaphrum secundatum and Paspalum notatum are cool season grasses and highly suitable for lawn making in cool areas.
In light of the above statements, choose the most appropriate answer from the options given below:
Statement (I): Lawn grass, Cynodon dactylon L. is most widely used on lawn, roadsides, parks, school ground, playgrounds, golf courses and other areas where a close mown dense turf is required.
Statement (II): Cynodon dactylon L., Stenotaphrum secundatum and Paspalum notatum are cool season grasses and highly suitable for lawn making in cool areas.
In light of the above statements, choose the most appropriate answer from the options given below:
Show Hint
Remember that warm-season grasses like Bermuda and Bahia grass belong to the $\text{C}_4$ group, while cool-season turfgrasses like Ryegrass and Bluegrass belong to the $\text{C}_3$ group.
Updated On: Jul 10, 2026
- Both Statement (I) and Statement (II) are true.
- Both Statement (I) and Statement (II) are false.
- Statement (I) is true but Statement (II) is false.
- Statement (I) is false but Statement (II) is true.
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Turfgrasses are categorized into two major environmental classes based on their photosynthetic pathways and growth habits: warm-season grasses ($\text{C}_4$ pathway) and cool-season grasses ($\text{C}_3$ pathway).
Step 2: Detailed Explanation:
- Statement (I) is true: Cynodon dactylon (Bermuda grass Doob grass) is a highly resilient, fast-growing turfgrass.
It forms a dense, traffic-tolerant turf when regularly mown, making it the most preferred choice for lawns, sports fields, public parks, roadsides, and golf courses globally.
- Statement (II) is false: Cynodon dactylon, Stenotaphrum secundatum (St. Augustine grass), and Paspalum notatum (Bahia grass) are all tropical and subtropical warm-season grasses ($\text{C}_4$).
They thrive in temperatures between $25^{\circ}\text{C}$ to $35^{\circ}\text{C}$ and go dormant/brown during cold winters.
They are not cool-season grasses and are unsuitable for establishing lawns in cool or temperate climates.
Step 3: Final Answer:
Statement I is correct, but Statement II is incorrect.
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