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Mn in higher concentration produces micr...

Mn in higher concentration produces micronutrient toxicity and it can cause

A

the appearance of green spots surrounded by necrotic veins

B

the deficiency of magnesium iron and calcium

C

decrease in fresh weight of tissues by about 10percent

D

inhibition of calcium translocation to root apices only

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Manganese toxicity causes:

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…………refers to the increase in the concentration of toxicant like mercury at a successive level.

Assertion :- Moderate decrease of micronutrients causes the deficiency symptoms and moderate increase causes toxicity. Reason:- There is a narrow range of concentration at which micronutrients are optimum.

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