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    Question

    Which one of the following strategies does not help in

    preventing the incidence of ‘whitefly’ in cotton?
    A Timely sowing Correct Answer Incorrect Answer
    B Growing whitefly tolerant hybrids Correct Answer Incorrect Answer
    C Late sowing Correct Answer Incorrect Answer
    D Clearing the wild vegetation/weeds around the fields Correct Answer Incorrect Answer

    Solution

    Whitefly spoil cotton plants in 2 ways - firstly by sucking the juice and secondly by excreting honeydew in which sooty mould develops.

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