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    Question

    The application of gibberellic acid in horticulture is primarily used to:

    A Stimulate flowering when day length requirements are not met. Correct Answer Incorrect Answer
    B Enhance root development in slow-growing crops. Correct Answer Incorrect Answer
    C Replace the need for chilling in vernalization-requiring species. Correct Answer Incorrect Answer
    D Increase flower size in ornamental plants. Correct Answer Incorrect Answer
    E Improve fruit set in self-incompatible species. Correct Answer Incorrect Answer

    Solution

    Gibberellic acid, a plant growth hormone, can be used to stimulate flowering especially when natural photoperiod requirements for certain plants cannot be satisfactorily met.

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