Which of the following variety is resistant to white rust?

Options

A. Pusa Sem 2
B. Pusa Kamal
C. Pusa sawani
D. Pusa Swarnim

Answer

**Step-by-Step Solution:**

1. **Understanding White Rust**: White rust is a disease characterized by the formation of white blisters on plants. It is caused by oomycetes, which are fungus-like eukaryotic organisms.

2. **Identifying the Affected Family**: The disease primarily affects plants in the family Brassicaceae.

3. **Analyzing the Options**:
- **Pusa Semptu**: This is a variety of flat beans, which is susceptible to white rust.
- **Pusa Kamal**: This is a variety of cowpea, which is also affected by white rust.
- **Pusa Swani**: This is a variety of okra, which is similarly susceptible to the disease.
- **Pusa Sondent**: This is a variety of tulip, which belongs to the Brassica family and is resistant to white rust.

4. **Conclusion**: Based on the analysis, the correct answer to the question "Which of the following variety is resistant to white rust?" is **Pusa Sondent** (the tulip variety).