White-bud condition in maize is produced due to the deficiency of

Options

A. iron
B. molybdenum
C. zinc
D. boron

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the nutrient deficiency that leads to the white-bud condition in maize.

2. **Identifying Nutrient Options**: The options provided are:
- A) Iron
- B) Molybdenum
- C) Zinc
- D) Boron

3. **Researching Nutrient Functions**:
- **Iron**: Essential for chlorophyll synthesis and is involved in various enzymatic reactions.
- **Molybdenum**: Important for nitrogen fixation and enzyme function.
- **Zinc**: A micronutrient crucial for various plant processes including enzyme activation and auxin biosynthesis.
- **Boron**: Important for cell wall formation and reproductive growth.

4. **Linking Nutrient Deficiency to Symptoms**:
- Zinc deficiency is known to cause several symptoms in plants, including:
- Little leaf disease
- Leaf rosette formation
- Short internodes
- Interveinal chlorosis (yellowing between leaf veins)
- Stunted growth

5. **Identifying the Correct Answer**: Based on the symptoms associated with zinc deficiency, it is clear that the white-bud condition in maize is produced due to a deficiency of zinc.

6. **Final Answer**: Therefore, the correct answer is **C) Zinc**.

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