Prevent vegetable diseases from using pesticides correctly
Due to the special ecological environment within the vegetable shed, it is suitable for all kinds of pests and diseases throughout the year. To effectively prevent and treat pests and diseases, and to cultivate pollution-free green vegetables that produce quality and safety, it is necessary to use pesticides scientifically and correctly.
Choose the right medicine. Each pesticide has a certain range of prevention and control. Therefore, before use, it is necessary to understand the performance and use methods of each pesticide. According to the occurrence characteristics of diseases and insects in the shed and the correct choice of pesticides, the target should be targeted.
Timely medication. According to the occurrence of pests and diseases, pesticides should be applied at the initial stage of pests and diseases. Taking into account the warm and humid environment in the shed, it is not appropriate to spray on rainy days or high temperatures to prevent the shed from spraying too much moisture and reduce the efficacy. At the same time, do not use sulfur preparations to prevent melon and vegetable diseases under high temperature conditions so as to avoid phytotoxicity.
Rotation medication. According to different types, different mechanisms of pesticide use alternately. The mechanism of action of various pesticides is different. If you pay attention to rotation, you can avoid or delay the emergence of pest resistance.
Safe medication. In the production of vegetables, high-efficiency, low-toxicity, low-residue pesticides should be used. Never increase the concentration of the drug at random. The number of drugs used should not be excessive, and the drug should be used at intervals so as to prevent phytotoxicity. At the same time, we must strictly prohibit the use of highly toxic and highly toxic pesticides on vegetables, advocate the use of biological pesticides, and produce pollution-free vegetables to ensure the health of consumers.
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