Question

Name the species that causes ergot of rye?

• A. Phytophthora
• B. Ustilago
• C. Uncinula
• D. Claviceps

Answer 1

The correct option is D

Claviceps

The correct option is D.

Explanation for correct option:

1. Ergot of rye is caused by Claviceps.
2. It is an ascomycete fungus.

Explanation for incorrect options:

Option A:

1. Phytophthora is known to cause potato blight disease.
2. It is a fungus.

Option B:

1. Ustilago is a pathogen for grains, particularly maize.
2. It is a fungus.

Option C:

1. Uncinula is known to cause the disease of powdery mildew in grapes.
2. It is a fungus.

Final answer: Ergot of rye is caused by Claviceps.