White rust of Crucifer is caused by

Options

A. Albugo
B. Sclerospora
C. Phytophthora
D. Pythium

Answer

**Step-by-Step Solution:**

1. **Identify the Organism Causing the Disease**: The question is about the disease known as "White Rust" that affects cruciferous plants. The first step is to identify the organism responsible for this disease.

2. **Understand the Type of Organism**: White Rust is caused by a specific type of fungus. It is essential to know that fungi can cause various plant diseases, and identifying the correct one is crucial.

3. **Name the Specific Fungus**: The specific fungus that causes White Rust in cruciferous plants is called *Albugo candida*. This is a key piece of information that directly answers the question.

4. **Relate to the Impact on Plants**: White Rust leads to a significant decline in the yield of affected plants. This information helps to understand the severity of the disease and its implications for agriculture.

5. **Eliminate Incorrect Options**: The question may provide multiple-choice options. It is important to eliminate other fungi mentioned (such as Sclerospora, Phytophthora, and Pythium) as they cause different diseases and are not responsible for White Rust.

6. **Conclude with the Correct Answer**: After analyzing the information, we conclude that the correct answer to the question is that White Rust of Crucifers is caused by the fungus *Albugo candida*.

**Final Answer**: White Rust of Crucifers is caused by the fungus *Albugo candida*.

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