In a Citrus plantation, all the plants were found to be suffering from – McqOptions

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1.	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
B.	Gibberellic acid
C.	Zinc
D.	Auxins
Answer» B. Gibberellic acid

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