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    Question

    The most economical means of managing the ‘tungro

    virus’ disease in rice is:
    A Spraying of nematicide Correct Answer Incorrect Answer
    B Spraying of fungicide Correct Answer Incorrect Answer
    C Spraying of bactericide Correct Answer Incorrect Answer
    D Growing of resistant varieties Correct Answer Incorrect Answer

    Solution

    Use of resistant varieties is the most economical method for managing tungro virus.

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