Which is a fungicide

Options

A. DDT
B. Bordeaux mixture
C. 2,4-D
D. DCMU

Answer

**Step-by-Step Solution:**

1. **Understanding the Term Fungicide**: A fungicide is a chemical agent that inhibits or kills fungal growth. It is specifically designed to target fungi that can harm plants, crops, or other organisms.

2. **Analyzing the Options**:
- **DDT**: This stands for dichlorodiphenyltrichloroethane. It is primarily a pesticide used to kill insects and is not a fungicide.
- **Bordeaux Mixture**: This is a well-known fungicide made from a mixture of copper sulfate and lime. It is used in agriculture to control fungal diseases in plants.
- **2,4-D**: This stands for 2,4-dichlorophenoxyacetic acid. It is a synthetic auxin used as a herbicide to control broadleaf weeds, not fungi.
- **DCMU**: This stands for dichlorophenyl dimethylurea. It is also a herbicide used in agriculture and does not target fungi.

3. **Identifying the Correct Answer**: Among the options provided, the Bordeaux mixture is identified as the fungicide because it is specifically used to inhibit fungal growth in plants.

4. **Conclusion**: Therefore, the correct answer to the question "Which is a fungicide?" is the Bordeaux mixture.

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