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    Question

    Ripening in sugarcane is enhanced by spraying _________

    .
    A Polaris Correct Answer Incorrect Answer
    B Ethrel Correct Answer Incorrect Answer
    C All of the above Correct Answer Incorrect Answer
    D Sodium metasilicate Correct Answer Incorrect Answer

    Solution

    All three options— Polaris , Ethrel , and Sodium metasilicate —are known to enhance ripening in sugarcane:

    • Polaris increases sucrose accumulation in the stalk.
    • Ethrel releases ethylene, promoting ripening.
    • Sodium metasilicate can improve the ripening process by increasing sugar content.

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