Question:
Which of the following is NOT a frost tolerant species of potato?
Which of the following is NOT a frost tolerant species of potato?
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Wild Andean potato species like S. acaule can tolerate temperatures down to $-6~^\circ\text{C}$ to $-9~^\circ\text{C}$, whereas cultivated S. tuberosum lacks this capability.
Updated On: Jul 10, 2026
- Solanum acaule
- Solanum vernei
- Solanum commersonii
- Solanum tuberosum
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Cultivated potato belongs to the genus Solanum. While the primary cultivated species is sensitive to freezing temperatures, several wild potato species native to high-altitude regions of the Andes possess genetic systems that provide tolerance to frost.
Step 2: Detailed Explanation:
- {Solanum acaule, {Solanum commersonii, and {Solanum vernei are wild diploid or polyploid potato species known for their exceptional frost tolerance. They are frequently used by potato breeders as sources of cold-hardiness genes.
- {Solanum tuberosum is the standard cultivated potato. It is highly sensitive to frost, and its foliage can be severely damaged or killed by temperatures slightly below freezing ($0~^\circ\text{C}$ to $-2~^\circ\text{C}$).
Step 3: Final Answer:
Solanum tuberosum is not a frost-tolerant species.
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