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    Question

    Vapour Heat Treatment (VHT) is generally used in: 

    A Chillies against tobacco caterpillar Correct Answer Incorrect Answer
    B Tomato against fruit borer Correct Answer Incorrect Answer
    C Citrus against Fruit sucking moths Correct Answer Incorrect Answer
    D Mango against fruit flies. Correct Answer Incorrect Answer
    E Grape against grape berry moth Correct Answer Incorrect Answer

    Solution

    Vapour Heat Treatment (VHT): Heated air is saturated with water (>RH 90%) for specified period of 6 to 8 hours for raising pulp temperature to 43-44.5°C in case of mango against fruit flies.

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