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  • The difference between herbicides and insecticides: protecting plants from weeds and pests
    Опубликовано: 2023-07-29 17:05:14

    In agriculture and horticulture, the problem of weed and pest control is one of the key ones. To do this, there are two main types of chemicals - herbicides and insecticides. These substances help protect plants from unwanted plants and insects, but they have different mechanisms of action and are used in different situations.


    Herbicides are a class of chemical compounds that are used to kill weeds and other unwanted plants. They act by influencing the processes of growth and development of plants, blocking the synthesis of substances necessary for their survival. Herbicides can be contact or systemic. Contact herbicides work by direct contact with the plant surface, while systemic herbicides penetrate the plant and are distributed throughout its system.

    Herbicides can be applied at different stages of plant growth: before sowing, after sowing, at different stages of crop growth. They help reduce weed competition and allow crops to receive more nutrients and light. However, it is important to choose the right herbicides and apply them according to the instructions to avoid harm to crops and the environment.


    Insecticides are a class of chemicals designed to control and kill insects and other pests that can damage plants. Insecticides act in a variety of ways, blocking the nervous system of insects, destroying their integument, or disrupting the processes of metamorphosis.

    Insecticides can also be contact and systemic. Contact insecticides work by contact with the body of insects, while systemic insecticides are injected into the plant and then distributed throughout its tissues, which allows control of insects that feed on the plant.

    Differences between herbicides and insecticides

    The main difference between herbicides and insecticides lies in their mechanism of action and targets. Herbicides are designed to kill weeds and unwanted plants, while insecticides are used to control insects and pests.

    In addition, herbicides and insecticides can have different uses and effects on the environment. Herbicides, for example, can affect soil and groundwater, while insecticides can be harmful to bees and other beneficial insects.

    When using herbicides and insecticides, it is important to follow safety guidelines and manufacturers' recommendations to minimize negative impacts on the environment and human health. Also, it is worth paying attention to the periods of application of these chemicals and their compatibility with other agrotechnical measures to achieve maximum effect and safety.


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