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    Question

    Disorders such as “brown hear” of turnips and

    “hollow stem” in brassicas is due to the deficiency of 
    A Molybdenum Correct Answer Incorrect Answer
    B Copper Correct Answer Incorrect Answer
    C Boron Correct Answer Incorrect Answer
    D Potassium Correct Answer Incorrect Answer

    Solution

    Boron causes a breakdown and disorganization of tissues, leading to early death of the growing point. Characteristic disorders include ‘brown heart ’of turnips, and ‘ hollow stem ’in brassicas.

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