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    Question

    The effective post-emergence control of Ageratum

    houstonianum can be achieved with
    A Atrazine @3.5 kg ha-¹ Correct Answer Incorrect Answer
    B Pendimethalin @ 1.5 kg ha-¹ Correct Answer Incorrect Answer
    C Alachlor @ 2.0 kg ha-¹ Correct Answer Incorrect Answer
    D Thiobencarb @ 1.0 kg ha-¹ Correct Answer Incorrect Answer

    Solution

    Ageratum houstonianum  is controlled by post mergence application of Atrazine @ 3.5 kg /ha.

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