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    Question

    Fully opened blossoms in apple may be killed at

    temperature below
    A 0.6°C Correct Answer Incorrect Answer
    B –2.2 °C Correct Answer Incorrect Answer
    C –1.0 °C Correct Answer Incorrect Answer
    D 0°C Correct Answer Incorrect Answer
    E 3 °C Correct Answer Incorrect Answer

    Solution

    At full bloom, a temperature of 28 °F or -2.2 °C will kill approximately 10 percent of the flowers on apple trees, while a temperature of 25 °F or -3.8 °C will kill approximately 90 percent of the flowers.

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