Dicamba

Dicamba is a selective and systemic herbicide that is used to control broadleaf weeds in farmland and other domestic and non-commercial settings. It is a benzoic acid herbicide that is absorbed by the plants through the leaves and roots.

History

Dicamba was first discovered and introduced in the year 1942. It is similar to the herbicide 2,4-D in its mode of action and chemical structure.

Mode of Action

Dicamba works by mimicking the action of the plant hormone auxin. It causes uncontrolled growth in the plant, which eventually leads to the plant's death. This is due to the fact that the plant uses up its energy reserves in this uncontrolled growth, leaving it unable to sustain itself.

Uses

Dicamba is used in agriculture to control perennial and annual broadleaf weeds. It is particularly effective against weeds such as pigweed and waterhemp. It is also used in non-agricultural settings such as lawns, golf courses, and other turf areas.

Environmental Impact

The use of dicamba has been associated with some environmental concerns. It is known to be highly volatile, which means it can easily become airborne and drift to non-target areas. This can cause damage to non-target plants and crops.

Health Effects

Exposure to dicamba can cause a range of health effects in humans. These can include skin and eye irritation, nausea, vomiting, and dizziness. Long-term exposure can potentially lead to more serious health effects.

See Also

• Herbicide
• 2,4-D
• Auxin
• Pigweed
• Waterhemp

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