Pesticide refers to a chemical reagent used in agriculture to prevent diseases and insect pests and to regulate the growth of plants. It is widely used in agriculture, forestry and animal husbandry production, environmental and household hygiene, pest control, epidemic prevention, industrial mold prevention and moth prevention.
The main types of pesticides are:
1. Fungicide: Fungicide is also called biocide, bactericidal algaecide, microbicide, etc. It is usually a chemical preparation that can effectively control or kill microorganisms in the water system-bacteria, fungi and algae.
2. Acaricide: The agent used to control herbivorous pest mites is called acaricide. Early acaricides used were mostly sulfur and inorganic sulfur preparations.
: a class of pesticides used to control harmful nematodes. Nematodes belong to the nematode class Nematoda, which is tiny and can be observed under the microscope. There are about 3,000 species of nematodes harmful to plants, most of them live in soil, and some parasitize in plants.
4. Rodenticide: The narrow sense of rodenticide refers only to chemical agents with toxic and toxic effects. The broad sense of rodenticide also includes the fumigant that can fumigate rodents, the rodent repellent that prevents rodents from damaging items, and rats Infertility agents that lose their ability to reproduce, and synergists that can increase the efficiency of other chemical agents to kill rats.
5. Herbicide: refers to an agent that can cause weeds to die completely or selectively, also known as herbicide, a type of substance used to eliminate or inhibit plant growth. Among them, sodium chlorate, borax, arsenate, and trichloroacetic acid have a dying effect on any kind of plants, and its effect is affected by the three factors of herbicides, plants and environmental conditions.
Pesticide for plants
are a branch within the category of biopesticides. It refers to a plant-derived preparation that utilizes the stable active ingredients contained in the plant to protect or mitigate diseases, insects, weeds and other harmful organisms after the recipient plant is used according to a certain method.