Which of the following options carrectly shows the sequence of difference tissues fo the periderm starting from periphry?

Options

A. Phellogen `to` Phellem `to` Phelloderm
B. Phellem `to`phelloderm `to` pheogen
C. Phellem`to`phellogen`to`phelloderm
D. Phelloderm `to` phellogen `to` phellem

Explanation

To solve the question regarding the sequence of different tissues of the periderm starting from the periphery, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Components of Periderm**:
The periderm is a protective tissue that replaces the epidermis in woody plants. It consists of three main components:
- **Phellogen** (cork cambium)
- **Phellum** (cork)
- **Phelloderm** (secondary cortex)

2. **Identify the Outer Layer**:
Starting from the periphery, the outermost layer of the periderm is the **Phellum**. This layer serves as the protective outer covering.

3. **Identify the Middle Layer**:
The layer just beneath the Phellum is the **Phellogen**. This layer is responsible for the production of new cork cells (Phellum) and is known as the cork cambium.

4. **Identify the Innermost Layer**:
The innermost layer of the periderm is the **Phelloderm**. This layer is formed on the inner side of the Phellogen and contributes to the secondary cortex.

5. **Sequence the Tissues**:
Therefore, the correct sequence of the different tissues of the periderm starting from the periphery is:
- **Phellum** (outermost)
- **Phellogen** (middle)
- **Phelloderm** (innermost)

### Final Answer:
The correct sequence of the different tissues of the periderm starting from the periphery is **Phellum, Phellogen, Phelloderm**.

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