What is dichlorvos (understand the functions and uses of dichlorvos)

Dichlorvos, also known as dimethyl chlordimeform, is a broad-spectrum organophosphorus pesticide. Highly toxic, it can effectively control many kinds of insects, mites and parasites. The chemical name of dichlorvos is O, O- dimethyl O-(2,4-dinitrophenyl) phosphonate, the chemical formula is C8H 10N3O6P, and the molecular weight is 277. 15.

Dichlorvos were first discovered by German chemist GerhardSchrader in 1942, and commercial production began in 1944. Its insecticidal function is to kill insects by inhibiting the activity of acetylcholinesterase and destroying their nervous system. Dichlorvos are widely used in agriculture, family and public health fields to control crop pests, family pests and vectors.

Functions and uses of dichlorvos

Dichlorvos is an efficient pesticide, which has a quick and lasting killing effect on many pests. It can kill insects by contact, ingestion and inhalation, and can be widely used in farmland, orchards, vegetable greenhouses, families and public places.

1. Agricultural field: Dichlorvos can be used to control a variety of crop pests, such as aphids, borers, cotton bollworms, etc. It can be applied by spraying, irrigation or seed treatment, which can effectively control the reproduction and spread of pests and improve the yield and quality of crops.

2. Home field: Dichlorvos can be used to control household pests, such as ants, cockroaches and fleas. When using it at home, we should pay attention to choosing the appropriate dosage form and concentration, and follow the correct use method to ensure safety and effectiveness.

3. Public health: Dichlorvos can be used to prevent and control vectors, such as mosquitoes, flies and ticks. Can be used in indoor and outdoor environments, such as houses, schools, hospitals, hotels, etc. In order to effectively control the number of vector insects and reduce the risk of disease transmission.

Operating steps of dichlorvos

When using dichlorvos for insecticidal treatment, the correct operation steps should be followed to ensure safety and effectiveness.

1. Determine the target insect species: First of all, you need to know the species of pests to be controlled, and choose the appropriate dosage form and concentration of dichlorvos according to their biological characteristics and control requirements.

2. Choose the appropriate dosage form: There are many dosage forms for dichlorvos to choose from, such as liquid, granule, aerosol, etc. According to the actual situation, choose the appropriate dosage form and prepare it according to the dosage on the instruction.

3. Choose the appropriate pesticide application method: According to the different species of target insects and pesticide application objects, different pesticide application methods such as spraying, irrigation and fumigation can be selected. Before application, the application area must be cleaned to ensure that there are no sundries and shelters.

4. Pay attention to safety protection: When using dichlorvos, you need to wear protective clothing, gloves, masks and other personal protective equipment to avoid contact and inhalation of drugs. After application, protective articles should be cleaned and replaced in time.

5. Storage and disposal of wastes: DDVP is a toxic substance. After use, the remaining drugs should be stored in the original packaging and properly preserved. Waste and empty packaging should be treated according to relevant regulations to prevent pollution to the environment and human body.

final result

Dichlorvos is a kind of insecticide widely used in agriculture, family and public health, which has efficient, rapid and lasting insecticidal effect. Through correct operation steps and safety protection measures, dichlorvos can effectively control the reproduction and spread of pests and protect crops, families and public health. However, attention should be paid to dosage form selection, application mode and safety protection when using dichlorvos to avoid harm to human body and environment. Before using dichlorvos, it is recommended to consult professionals or follow relevant laws and standards to ensure safe and effective use.