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    Question

    Which major weed species is becoming increasingly

    resistant to Isoproturon in wheat fields of North India, posing a challenge for effective weed control?
    A Avena fatua Correct Answer Incorrect Answer
    B Cynodon dactylon 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 (canary grass) is a problematic weed in wheat fields. Continuous use of isoproturon has led to resistance development, requiring integrated weed management and alternative herbicides.

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