Potato tuber growth is stopped at what temperature?
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40°C - 42°C
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30°C - 32°C
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35°C - 37°C
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38° - 40°C
B
Correct answer
Explanation
Potato tuber growth stops at temperatures around 30-32°C. Above this range, the plant experiences heat stress that inhibits tuber development and can lead to reduced yields. Higher temperatures (above 35°C) are particularly damaging to potato cultivation.