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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