Name of the disease that causes yellowing of leaves

necrosis

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delayed flowering

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chlorosis

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die back of shoot

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Solution

The correct option is C
chlorosis

The correct option is C.
Explanation of the correct option:
Zinc deficiency causes a type of leaf discoloration called chlorosis.
The tissue between the veins turn yellow while the veins remain green.
Chlorosis in zinc deficiency usually affects the base of the leaf near the stem.
Explanation of the incorrect options:
Option A:
Necrosis refers to localised death of the tissues like in buds ,leaf tips and leaf margins.
Option B:
The plant does not flower at its regular time and flower much later in the season.
Option D:
It leads to the death of the shoot tip. As a result plant stop growing.
Final answer: Chlorosis is the disease that causes yellowing of leaves.

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