Question

    The disorder which occurs due to high temperature and

    high relative humidity and it is the major problem in North India in which juice vessels dries up. The disorder of citrus is
    A Degreening Correct Answer Incorrect Answer
    B Greening Correct Answer Incorrect Answer
    C Granulation Correct Answer Incorrect Answer
    D Exocortis Correct Answer Incorrect Answer

    Solution

    Granulation - It occurs due to high temperature and high relative humidity. Major problem in North India in which juice vessels dries up. Greening disease of citrus - It is caused by Candidatus liberibacter and transmitted by Citrus psylla (Diaphorina citri). Exocortis - It is caused by viroid. Also called scalybutt.

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