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  • What type of biological control agent is Devine, a trade name for a weed control product?

    Question: What type of biological control agent is Devine, a trade name for a weed control product?

    Options:

    Bioinsecticide
    Bioherbicide
    Biofungicide
    Soil amendment

    ✅Explanation:
    -Devine is a bioherbicide used for controlling weeds. Bioherbicides are biological control agents that use natural organisms, such as fungi, bacteria, or plant extracts, to manage or suppress weed populations in agricultural settings. Devine specifically targets weeds without relying on synthetic chemicals, making it an environmentally friendly option for weed management.
    -Devine's mode of action: Devine contains chlamydospores of the fungus Phytophthora palmivora. This fungus infects the roots of susceptible weeds, causing them to wilt and die.

    📌Other Options Explanations:
    -A. Bioinsecticide: Bioinsecticides are used to control insect pests.
    -C. Biofungicide: Biofungicides are used to control fungal diseases.
    -D. Soil amendment: Soil amendments improve soil properties like drainage, fertility, or structure.

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