Question

    Which of the following is a major weed of wheat fields

    that closely resembles the crop during the early growth stages, making manual identification difficult?
    A Avena fatua Correct Answer Incorrect Answer
    B Cyperus rotundus Correct Answer Incorrect Answer
    C Phalaris minor Correct Answer Incorrect Answer
    D Chenopodium album Correct Answer Incorrect Answer
    E Convolvulus arvensis Correct Answer Incorrect Answer

    Solution

    Phalaris minor mimics wheat morphologically during early growth, making it difficult to distinguish.  It competes aggressively for nutrients and water, reducing crop yields significantly.

    Practice Next