2, 4-D is

Options

A. Widely used to kill monocots
B. Effective weedicides against broad leaved plants
C. Used to prevent lodging and root initiation
D. Used to promote flowering in pineapple and mango

Answer

**Step-by-Step Text Solution:**

1. **Understanding 2,4-D**:
- 2,4-D is a chemical compound widely used in agriculture. It is primarily known as a herbicide, which means it is used to kill unwanted plants or weeds.

2. **Full Form of 2,4-D**:
- The full name of 2,4-D is "2,4-Dichlorophenoxyacetic acid." This name indicates its chemical structure, which includes two chlorine atoms and a phenoxy group.

3. **Function of 2,4-D**:
- 2,4-D is particularly effective against broadleaf plants (dicots) and is not effective against monocots (like grasses). This selectivity makes it useful for controlling weeds without harming cereal crops.

4. **Usage in Agriculture**:
- It is used to prevent the growth of weeds that compete with crops for nutrients, water, and light, which can lead to poor crop yield. By controlling these weeds, farmers can ensure better growth and higher yields of their crops.

5. **Other Uses**:
- Apart from its use as a herbicide, 2,4-D has applications in promoting flowering in certain plants, such as pineapples and mangoes. However, its primary role remains as a herbicide.

6. **Conclusion**:
- In summary, 2,4-D is a widely used herbicide that specifically targets broadleaf weeds while leaving monocots unharmed, thereby helping to improve agricultural productivity.

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