What is the advantage of treating seeds with a pesticide before sowing.
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Answer:
Seed treatments provide targeted control of insect pests. They offer protection at the establishment phase and can often delay or remove the need to apply foliar sprays. In some instances, using seed treatments rather than foliar sprays can preserve beneficial populations.
However, the benefits of seed treatments can be short-lived, or the efficacy of seed treatments can be low if pest pressure is extremely high. Seed treatments should be included in any resistance or insecticide management strategy (e.g. exposure of pests to particular insecticide groups, rotation of insecticide groups).
Seed treatments can protect the seed and seedling from low-moderate attack by insects during emergence and establishment. They work by forming a chemical barrier over the surface of the germinating seed which protects it from chewing insects, such as wireworms. Systemic seed treatments result in insecticide being translocated to the above-ground parts of germinating plants, deterring or killing pests such as aphids and mites. Although the duration of protection may be limited, a delay in crop damage and pest establishment can reduce crop losses.
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