What is bagging technique? How is it useful in a plant breeding experiment?

Explanation

### Step-by-Step Solution:

1. **Definition of Bagging Technique**:
The bagging technique is a method used in plant breeding where the stigma of a flower is covered with bags. This is done to prevent unwanted pollen from contaminating the stigma.

2. **Purpose of Bagging**:
The primary purpose of bagging is to protect the stigma from contamination by undesired pollen. This ensures that only the desired pollen grains can reach the stigma for fertilization.

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