Chlorosis i.e. loss of chlorophyll leading to yellonsy...

Chlorosis i.e. loss of chlorophyll leading to yellonsy leaves, is caused by the deficiency of
(a) $\mathrm{N}, \mathrm{K}, \mathrm{Mg}$
(b) S, Fe, Zn
(c) $\mathrm{Mn}, \mathrm{Mo}, \mathrm{Mg}$
(d) All of these.

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Key Concepts

Chlorosis

Chlorosis is a condition in plants where leaves turn yellow due to an inadequate development of chlorophyll. This symptom is a visual indicator that the plant is not able to perform efficient photosynthesis, often because of underlying nutrient problems or stress factors.

Nutrient Deficiency in Plants

Nutrient deficiency in plants occurs when essential macro- or micronutrients are lacking in sufficient quantities. Such deficiencies lead to a range of symptoms, including impaired growth and chlorosis, depending on the role of the missing nutrient in the plant's metabolism.

Chlorophyll Synthesis

Chlorophyll synthesis is the biochemical process through which plants produce chlorophyll, the pigment essential for capturing light energy during photosynthesis. Critical nutrients such as magnesium and iron play key roles in this process, and their absence directly affects chlorophyll production.

Role of Essential Nutrients in Plant Health

Both macronutrients (like nitrogen and potassium) and micronutrients (such as iron, magnesium, and zinc) are vital for the normal functioning of plants. Each of these nutrients plays a specific role, and deficiencies can lead to symptoms like chlorosis, affecting overall plant vitality and productivity.

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