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Which of the following element’s deficiency leads to Exanthema in Citrus?

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in Biology – Class 11 by (272k points)
Which of the following element’s deficiency leads to Exanthema in Citrus?

(a) P

(b) Cu

(c) B

(d) Zn

I had been asked this question during an interview for a job.

Asked question is from Mineral Requirements of a Plant-1 in division Mineral Nutrition of Biology – Class 11

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Correct choice is (b) Cu

Easy explanation: Cu deficiency leads to Exanthema in Citrus. P deficiency leads to poor growth of leaves. B deficiency leads to heart rot of beets. Zn deficiency leads to Khaira disease of rice.

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