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    Question

    Which one of the following diseases is caused by

    MLOs?
    A Ratoon stunting of sugarcane Correct Answer Incorrect Answer
    B Grassy shoot of sugarcane Correct Answer Incorrect Answer
    C Leaf blight of rice Correct Answer Incorrect Answer
    D Brown rot of potato Correct Answer Incorrect Answer

    Solution

    The grassy shoot disease is primarily transmitted through the diseased seed material (setts) and perpetuated through ratooning. The MLO is readily transmitted by sap inoculation and in the field it is transmitted through infected setts and perpetuated through crop ratooning.

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