Define the tern hybridisation and photoperiod.

Explanation

### Step-by-Step Solution

1. **Define Hybridization**:
- Hybridization is the process of crossing two non-identical or unidentical plants to produce a new variety.
- This new variety is created to incorporate desired traits from both parent plants.
- The result of this process is known as a hybrid, which exhibits characteristics from both parent plants.

2. **Define Photoperiod**:
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