Multiple choice general knowledge

At the time of Apple fruit setting what is the minimum temperature required?

  1. 10°C

  2. 4.5°C - 5.5°C

  3. 8°C - 10°C

  4. 2°C - 3°C
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Apple fruit setting requires a minimum temperature of 8-10°C for proper pollination and fertilization. Temperatures below 4.5°C can damage blossoms, while temperatures between 8-10°C are optimal for pollen tube growth and fruit set.

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