Name one function and one deficiency symptom of the following elements :
boron

Explanation

### Step-by-Step Solution

1. **Identify the Element**: The element in question is Boron (B).

2. **State One Function of Boron**:
- Boron is essential for cell wall synthesis in plants. It plays a crucial role in the formation of new plant cells and is particularly important during the reproductive growth phase of the plant.

3. **State One Deficiency Symptom of Boron**:
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