Several factors affecting the efficacy of pesticides

Properly reduce the concentration of the drug

The efficacy of most pesticides will increase with the increase of temperature, so the dosage of the liquid should be reduced when using the drug in high temperature season. Especially the hormonal drugs should pay special attention to the drug. happened. Therefore, it is necessary to adjust the concentration of the agent according to the change in temperature.

Pay attention to spray quality

Spray method. Generally, the mass of the spray is uniformly distributed and the coverage is high. It is preferable to not drip on the surface of the wetted plant, so that the sprayer used is required to have a good atomization effect and reduce the waste of the liquid. At the same time, it is necessary to pay attention to the comprehensive spraying, especially some pests like to lay eggs on the back of the leaves, especially when spraying the medicine.

Reasonable spraying to prevent poisoning

Dispensing and applying drugs should prevent pesticides from corroding the skin. When using volatile pesticides, be sure to use masks. At the same time, it is forbidden to spray pesticides at high temperature during noon in summer. Spraying in summer should be done before 9:00 am or after 4 pm to avoid phytotoxicity. It is important to remember that the continuous application time should not be too long.

More pesticide knowledge , please pay attention to China Pesticide Network

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