Question

Parasitic fungi causing white rust on leaves of mustard is

• A. Puccinia graminis tritici
• B. Ustilago hordei
• C. Albugo candida
• D. Saccharomyces cerevisiae

Answer 1

The correct option is C

Albugo candida

The correct option is C.

Explanation for the correct option

1. Albugo candida is commonly also known as water moulds and white rust.
2. It forms white rust on plants belonging to the Brassicaceae family.
3. It causes a condition in plants in which chlorophyll is produced in low amounts or not at all. This condition is called chlorosis.
4. This leads to the formation of white-coloured boils on top of leaves and stems and also swelling of the roots.

Final answer: Parasitic fungi causing white rust on the leaves of mustard is Albugo candida.