Propamocarb

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Propamocarb

0Propamocarb is a systemic fungicide used in agriculture to control various types of plant diseases. It is particularly effective against oomycetes, a group of fungi-like microorganisms that cause diseases such as downy mildew and late blight in a wide range of crops.

Chemistry

Propamocarb is a carbamate fungicide, which means it belongs to the carbamate class of organic compounds. Its chemical formula is C9H21NO2 and its systematic name is propyl [3-(dimethylamino)propyl]carbamate. It is a colorless liquid at room temperature and has a mild amine odor.

Mode of Action

Propamocarb works by inhibiting the growth of the fungus. It interferes with the synthesis of RNA and protein, which are essential for the growth and reproduction of the fungus. This makes it a systemic fungicide, as it is absorbed by the plant and transported throughout its tissues, providing protection from the inside.

Usage

Propamocarb is used on a variety of crops, including vegetables, fruits, and ornamentals. It is typically applied as a foliar spray, but can also be used as a soil drench or seed treatment. It is effective against a wide range of oomycete diseases, including downy mildew, late blight, and Phytophthora root rot.

Safety

Like all pesticides, propamocarb must be used with caution to avoid harm to humans and the environment. It is classified as a low toxicity pesticide by the Environmental Protection Agency (EPA), but can cause irritation to the eyes and skin. It is not considered to be a carcinogen or a reproductive hazard.

Regulation

In the United States, propamocarb is regulated by the EPA under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). It is also regulated in the European Union under the Pesticides Regulation (EC) No 1107/2009.

See Also

• Fungicide
• Carbamate
• Oomycetes
• Downy Mildew
• Late Blight