A few years ago, the brown plant hopper (Nilaparvata lunges) threatened the cultivation of

Options

A. Wheat
B. Rice
C. Maize
D. Millets

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: The question refers to the brown plant hopper, scientifically known as Nilaparvata lugens.

2. **Recognize the Threat**: The question states that this organism threatened the cultivation of a specific crop.

3. **Evaluate the Options**: The options provided are wheat, rice, maize, and millet. We need to determine which of these crops is affected by the brown plant hopper.

4. **Research the Pest**: The brown plant hopper is known to be a significant pest in agriculture, particularly affecting rice crops. It is recognized for its ability to damage rice plants.

5. **Understand the Damage**: The brown plant hopper causes damage by sucking the cell sap from the leaves of rice plants. This leads to the yellowing of the leaves, and eventually, the crops can dry up, forming patches in the field.

6. **Conclude the Correct Answer**: Based on the information, the brown plant hopper specifically threatens the cultivation of rice. Therefore, the correct answer to the question is rice.

**Final Answer**: A few years ago, the brown plant hopper (Nilaparvata lugens) threatened the cultivation of rice.

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