Step 1: Recall cauliflower improvement.
Several varieties of cauliflower have been developed in India for early, mid, and late-season cultivation.
Step 2: Examples.
1. Pusa Katki – early maturing variety.
2. Early Kunwari – another early variety, popular for summer sowing.
3. Pusa Snowball – mid-season, compact curds.
4. Pusa Hybrid-2 – hybrid, high-yielding, and disease resistant.
Step 3: Conclusion.
Thus, four important varieties of cauliflower are Pusa Katki, Early Kunwari, Pusa Snowball, and Pusa Hybrid-2.