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    Question

    What nutrient deficiency leads to the development of the "Red leaf disorder" in cotton plants?

    A Nitrogen deficiency Correct Answer Incorrect Answer
    B Magnesium deficiency Correct Answer Incorrect Answer
    C Zinc deficiency Correct Answer Incorrect Answer
    D Manganese deficiency Correct Answer Incorrect Answer

    Solution

    Explanation: The "Red leaf disorder" in cotton plants is caused by magnesium (Mg) deficiency. Leaves affected by this disorder turn red and roll downward. American cotton varieties are more susceptible to this disorder.

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