How can crop varieties be made disease resistant to overcome food crisis in India ? Explain. Name one disease resistant variety in India of : (a) Wheat to leaf and stripe rust (b) Brassica to White rust

Explanation

To address the question of how crop varieties can be made disease resistant to overcome the food crisis in India, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Need for Disease Resistance**:
- Crop diseases can significantly reduce agricultural yield, leading to food shortages. Therefore, developing disease-resistant varieties is crucial for food security.

2. **Methods to Develop Disease Resistance**:
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