It is a common method of vegetative propagation in which 20-30 cm long pieces of one year old stems are cut, their lower ends are dipped in root promoting hormones and are then planted in the soil, which then develop adventitious roots. This method of vegetative propagation is performed in

Options

A. A piece of potato tuber with eyes
B. A middle piece of sugarcane internode
C. A piece of ginger rhizome
D. A marginal piece of Bryophyllum leaf

Explanation

To solve the question regarding the method of vegetative propagation described, follow these steps:

### Step-by-Step Solution:

1. **Understand the Process of Vegetative Propagation**:
- Vegetative propagation is a method of asexual reproduction in plants where new individuals are produced from the vegetative parts of the plant, such as stems, roots, or leaves.

2. **Identify the Key Characteristics of the Method Described**:
- The question specifies that 20-30 cm long pieces of one-year-old stems are cut.
- The lower ends of these stems are dipped in root-promoting hormones.
- These pieces are then planted in soil, where they develop adventitious roots.

3. **Analyze the Options Provided**:
- **Option 1**: Piece of potato tuber with an eye - This is not the correct method as it involves tubers, not stems.
- **Option 2**: Middle piece of sugarcane internode - This fits the description as sugarcane is propagated using stem cuttings.
- **Option 3**: Piece of ginger rhizome - This involves rhizomes, which are underground stems, not the method described.
- **Option 4**: Marginal piece of bryophyllum leaf - This involves leaf propagation, which does not match the stem cutting method described.

4. **Select the Correct Answer**:
- Based on the analysis, the correct answer is **Option 2: Middle piece of sugarcane internode**. This method of vegetative propagation is commonly performed in sugarcane.

### Final Answer:
The method of vegetative propagation described is performed in **sugarcane**.

---