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    Question

    Which one of the following categories of weeds┬а ,

    survives by attaching to the vascular system of the host plant?
    A Ephemeral weeds Correct Answer Incorrect Answer
    B Epiphytic weeds Correct Answer Incorrect Answer
    C Creeping weeds Correct Answer Incorrect Answer
    D Parasitic weeds Correct Answer Incorrect Answer
    E Aquatic weeds Correct Answer Incorrect Answer

    Solution

    Parasitic weeds such as Cuscuta and Striga derive nutrients and water from host plants via haustoria. They lack functional roots and are difficult to control once established.

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