_________involves crossing or hybridization of _______, followed by ________to produce plants with_____of higher yield, nutrition and_______to diseases

Answer

**Step-by-Step Text Solution:**

1. **Identify the Process**: The process being described is related to plant breeding techniques.
- **Hint**: Think about methods used to improve crop varieties.

2. **Fill in the First Blank**: The first blank is filled with "Classical plant breeding."
- **Hint**: Consider the traditional methods used in agriculture for improving plant traits.

3. **Fill in the Second Blank**: The second blank is filled with "pure lines."
- **Hint**: Recall what type of genetic lines are often used in breeding to ensure specific traits.

4. **Fill in the Third Blank**: The third blank is filled with "artificial selection."
- **Hint**: Think about the process where humans choose which plants to breed based on desired characteristics.

5. **Fill in the Fourth Blank**: The fourth blank is filled with "desirable traits."
- **Hint**: What are the characteristics that breeders aim to enhance in plants?

6. **Fill in the Fifth Blank**: The fifth blank is filled with "resistance."
- **Hint**: Consider what traits are important for plants to survive against pests and diseases.

**Final Answer**: Classical plant breeding involves crossing or hybridization of pure lines, followed by artificial selection to produce plants with desirable traits of higher yield, nutrition, and resistance to diseases.

---