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When to spray pesticides in summer is most suitable
Spraying pesticides during summer is most effective between 8 and 10 a.m., and again around 5 p.m. This timing is ideal because by 9 a.m., the morning dew has typically dried, and the temperature is more moderate. At this time, pests are most active—they're feeding, mating, and moving around, making it the perfect window for pesticide application. Spraying at this hour ensures that the pesticide isn’t washed away by dew or diluted by moisture, which could reduce its effectiveness. Also, the lower temperature helps maintain the potency of the chemical, preventing rapid degradation.
Additionally, according to China's Pesticide Network, it’s important to note that spraying during midday is not recommended. The intense sunlight and high temperatures can cause some pests to hide or become inactive, reducing the impact of the treatment. Moreover, high temperatures can accelerate the breakdown of the pesticide, making it less effective. At noon, the chemicals may also evaporate quickly, increasing the risk of exposure to humans and animals, which can lead to poisoning or health issues.
Spraying in the late afternoon, around 5 p.m., is also highly effective. By this time, the sun has started to set, and many pests that are active at night begin their feeding and mating activities. This makes it another prime opportunity for pesticide application, as the chemicals have more time to take effect before the pests retreat.
In summary, choosing the right time for pesticide application is crucial for both effectiveness and safety. Avoiding midday sprays and focusing on early morning and late afternoon periods can significantly improve results while minimizing risks. Always follow local guidelines and safety precautions when handling pesticides.