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    Question

    …………..is the nematode that causes the

    blackhead disease in banana crops?
    A Pratylenchus coffee Correct Answer Incorrect Answer
    B Heterodera oryzicola Correct Answer Incorrect Answer
    C Radopholus similis Correct Answer Incorrect Answer
    D Helicotylenchus multicinctus Correct Answer Incorrect Answer

    Solution

    Radopholus similis is a species of nematode known commonly as the burrowing nematode. Eventually, burrowing nematodes can migrate from roots into the rhizome causing black, circular lesions, hence the name blackhead disease. It is also called the toppling disease of Banana.

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