In a citrus plantation, all the plants were found to be suffering from the die-back disease, spraying of fungicides was of no help. This problem was due to the deficiency of
A
Copper
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B
Gibberellic acid
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C
Zinc
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D
Auxins
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Solution
The correct option is A Copper In citrus plants, copper deficiency symptoms include wilting and dieback of the terminal shoots and failure of the plant to grow straight. The stem may become twisted.