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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • The disease Yellow vein mosaic of bhindi is caused by which microorganism?

    Question: The disease Yellow vein mosaic of bhindi is caused by which microorganism?

    Options:

    Bacteria
    Fungi
    Virus
    None of them

    ✅ Explanation
    → Microorganisms are harmful in various ways, causing diseases in humans, plants, and animals. These disease-causing microorganisms are called pathogens.
    → Microorganisms cause diseases in plants like wheat, rice, potato, sugarcane, orange, apple, and others, reducing crop yield.
    → The Yellow Vein Mosaic of bhindi is caused by a virus called Begomovirus, which is transmitted by the insect Whitefly. The disease is characterized by mosaic-like yellowing of veins and veinlets of leaves.

    🔴 Additional Information
    Plant Diseases, Microorganisms, and Modes of Transmission

    Citrus Canker:
    Microorganism: Bacteria
    Mode of Transmission: Air
    Rust of Wheat:
    Microorganism: Fungi
    Mode of Transmission: Air, Seeds
    Yellow Vein Mosaic of Bhindi (Okra):
    Microorganism: Virus
    Mode of Transmission: Insect

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