Common underground pests in corn fields include: golden worms, crickets, crickets, and tigers, as well as the two-pointed moths that are seriously endangered in recent years. They inhabit the soil, mainly harming the seeds, heels, shoots and young leaves of the corn, causing the seeds to not germinate and emerge, the roots can not grow normally, the heart leaves are deformed, the seedlings are dead, and the seedlings are broken and the ridges are seriously damaged.
Control method:
Seed coating coating dressing. Seeds are coated with insecticide-coated seeds or with insecticide seed dressings. Commonly used insecticides are butyl thiocarbamate, phoxim and imidacloprid.
In the corn seedling stage, when the tiger is harmed, the larvae can be hunted in the rhizosphere of the victim.
Poisonous soil. When planting, use phoxim and other mixed soil cover or ditch application, or use chlorpyrifos EC to prepare toxic soil, and spread it to the corn row in the evening.
Poison bait. Use wheat bran, bean cake or cottonseed cake as bait to saute, spray or mix with insecticide such as phoxim emulsifiable concentrate. Sprinkle it in the evening near the rhizosphere of field seedlings, and treat a variety of pests, especially cockroaches.
Rooting. The roots can be irrigated with phoxim or chlorpyrifos. It has a good effect on the golden worm.
spray. In the evening, seedlings and surrounding soils can be sprayed with pesticides such as pyrethroids and organophosphorus.
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