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8th Class Science Crop Production and Management Question Bank Crop Production and Management

  • question_answer
    Crop plants may be attacked by pests which affect the crop production. Fungi are such type of pests which cause diseases like

    A) Smut of wheat

    B) Citrus canker

    C) Blight of potato

    D) Both (a) and (c).

    Correct Answer: D

    Solution :

    Loose smut of wheat is caused by fungus Ustilago tritici, early blight of potato is caused by fungus Alternaria so/an/ and late blight of potato is caused by fungus Phytophthora infestans. Citrus canker is a bacterial disease caused by bacterium Xanthomonas.


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