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The causative organism for brown rust of...

The causative organism for brown rust of wheat is ?

A

Aspergillus

B

Collectotrichum

C

Xanthomonas

D

Puccinia

Text Solution

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The correct Answer is:
To determine the causative organism for brown rust of wheat, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Disease**: - Brown rust of wheat is also known as leaf rust. It is a significant disease that affects wheat and other cereal crops. 2. **Identify the Causative Agent**: - The causative organism for brown rust of wheat is a fungus. Specifically, it is caused by the fungus *Puccinia triticina*. 3. **Evaluate the Options**: - The question provides four options: - **Aspergillus**: A common mold that causes Aspergillosis, not related to wheat rust. - **Colletotrichum**: A genus of fungi that causes post-harvest rots, not brown rust. - **Xanthomonas**: A genus of bacteria that causes bacterial spots, not related to rust diseases. - **Puccinia**: This is the correct genus that includes the species responsible for brown rust. 4. **Select the Correct Answer**: - Based on the evaluation of the options, the correct answer is **Puccinia**. ### Final Answer: The causative organism for brown rust of wheat is **Puccinia**. ---
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