Rust fungus is included in the class

Options

A. Deuteromycetes
B. Phycomycetes
C. Ascomycetes
D. Basidiomycetes

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: The question asks about rust fungus, which is known for causing rust disease in plants.

2. **Understand the Disease**: Rust fungi are plant pathogens that specifically cause rust disease, which affects various crops such as wheat, mustard, rice, and bajra.

3. **Identify the Causative Agent**: One specific example of a rust fungus is Albigo Candida, which causes white rust disease.

4. **Classify the Fungus**: Albigo Candida belongs to the class Basidiomycetes. This classification is important because it helps categorize the rust fungus within the broader fungal taxonomy.

5. **Eliminate Incorrect Options**:
- Duteromycetes are imperfect fungi, and their sexual reproduction phase is not well understood, so they do not include rust fungi.
- Phycomycetes are known as algal fungi due to their morphology resembling algae, which also does not include rust fungi.
- Ascomycetes, known as sac fungi, are not related to rust fungi either.

6. **Conclusion**: Based on the classification and elimination of incorrect options, rust fungus is included in the class Basidiomycetes.

**Final Answer**: Rust fungus is included in the class Basidiomycetes.

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